# LogZuno > LogZuno is an event tracking and product analytics platform that shows what people do in your product and on your website in real time, with alerts, dashboards, web analytics that separate real people from bots, and AI visibility for ChatGPT, Perplexity and Claude. Paid plans keep 90 days of history. LogZuno never stores visitors' IP addresses; they are used once, at ingest, and discarded. Key facts: - Starter: $17 a month or $170 a year; 50,000 events a month; AI visibility 10,000 server requests a month, up to 100 a minute - Growth: $32 a month or $320 a year; 100,000 events a month; AI visibility 20,000 server requests a month, up to 200 a minute - Business: $62 a month or $620 a year; 200,000 events a month; AI visibility 50,000 server requests a month, up to 500 a minute - Enterprise: $99 a month or $990 a year; 500,000 events a month; AI visibility 100,000 server requests a month, up to 1,000 a minute - Every plan: all features, unlimited projects and seats, 90 days of history - Free trial: 7 days on any plan, card required, up to 500 events and 500 AI visibility requests; one trial per person and card - Website: https://logzuno.app - App: https://platform.logzuno.app - Ingestion API: https://api.logzuno.app/v1 - API reference (OpenAPI 3.1): https://platform.logzuno.app/docs/api.json - MCP server: https://platform.logzuno.app/mcp - Full documentation in one file: https://logzuno.app/llms-full.txt ## Product - [Event tracking that tells you what happened, as it happens](https://logzuno.app): LogZuno is event tracking and product analytics in one: live events, funnels, retention, alerts and web analytics that count real people, not bots. - [Event tracking tools that act on every event in real time](https://logzuno.app/features/event-tracking): Compare event tracking tools by what they do with an event: LogZuno streams it live, pushes it to your phone, charts it and alerts on it within seconds. - [Product analytics that answers who did what, and who came back](https://logzuno.app/features/product-analytics): Product analytics in LogZuno: trends, per-user funnels with conversion windows, cohort retention, power-user curves, segments and account-level groups. - [Web analytics that counts people, not bots posing as them](https://logzuno.app/features/web-analytics): LogZuno web analytics counts real people, not bots: visitors who interacted, automated traffic labelled, AI assistant referrals and channels shown apart. - [AI visibility: what AI assistants read, and who they send you](https://logzuno.app/features/ai-visibility): AI visibility from your own server traffic: which pages ChatGPT, Perplexity, Claude and Google read, checked against their IP lists, and who they send. - [Real-time alerts on any event, number or schedule](https://logzuno.app/features/alerts): Real-time alerts in LogZuno: instant event rules, thresholds on any number, scheduled reports, sent to email, Slack, Discord, Telegram, webhooks or push. - [A KPI dashboard your whole team can read](https://logzuno.app/features/dashboards): Build a KPI dashboard in LogZuno from charts, funnels, retention and insights: drag-and-resize tiles, shared filters, auto-refresh and public share links. - [An analytics MCP server for your AI assistant](https://logzuno.app/features/mcp): LogZuno's analytics MCP server lets Claude, ChatGPT, Cursor and VS Code query your events, run charts and create alerts, with OAuth and your permissions. - [LogZuno features](https://logzuno.app/features): All LogZuno features: live event tracking, product analytics, web analytics with real-people counts, AI visibility, alerts, dashboards and an MCP server. - [LogZuno solutions for every team](https://logzuno.app/solutions): LogZuno solutions for SaaS brands, agencies and ecommerce stores, and for marketing, growth and product teams, founders and CMOs who need one set of data. - [Compare LogZuno with other analytics tools](https://logzuno.app/compare): How LogZuno compares with LogSnag, PostHog, Mixpanel, Amplitude, Usermaven, Statsig and Google Analytics, from each product's own pricing and docs pages. - [Guides to AI visibility and analytics](https://logzuno.app/guides): LogZuno guides on AI visibility: ChatGPT traffic in GA4, AI crawler user agents and IP lists, bot traffic, llms.txt and the decline in AI referrals. - [Free tools for AI visibility and product metrics](https://logzuno.app/tools): Free tools from LogZuno: AI crawler and robots.txt checkers, llms.txt checker and generator, a UTM builder, and churn, retention, CLV and conversion maths. - [Metrics guides by business type](https://logzuno.app/metrics): LogZuno metrics guides: the SaaS, ecommerce, fintech and mobile app metrics that matter, how to calculate each one and the events you need to track them. - [The LogZuno blog](https://logzuno.app/blog): The LogZuno blog: practical articles on product analytics, event tracking, user engagement, retention and the metrics SaaS teams use to make decisions. - [Product analytics glossary](https://logzuno.app/glossary): The LogZuno product analytics glossary: plain definitions of analytics, SaaS, marketing and AI visibility terms, with formulas and how to measure them. - [LogZuno docs](https://logzuno.app/docs): LogZuno docs: send your first event in minutes, use the ingestion and REST APIs in 12 languages, connect the MCP server and collect AI visibility data. ## Pricing - [LogZuno pricing](https://logzuno.app/pricing): LogZuno pricing: four plans from $17 a month, every feature on every plan, 90 days of history, a 7-day free trial. Compare event and AI visibility limits. ## Docs - [LogZuno help](https://logzuno.app/docs/help): LogZuno help: how projects, channels and events work, adding team members and keys, building line, bar and funnel charts, and active and drifting users. - [Ingestion API reference](https://logzuno.app/docs/api/ingestion): LogZuno ingestion API reference: every /v1 endpoint for events, users, groups, insights, pageviews and server traffic, with limits, status codes, errors. - [Event tracking examples in 12 languages](https://logzuno.app/docs/sdks): LogZuno code examples for event tracking in 12 languages, from cURL, JavaScript and Python to Go, Swift and C, each one tested against the ingestion API. - [MCP setup for Claude, ChatGPT, Cursor and VS Code](https://logzuno.app/docs/mcp): MCP setup for LogZuno: connect Claude, ChatGPT, Cursor or VS Code to your analytics with OAuth, then ask for charts, users and AI visibility in a chat. - [AI visibility setup](https://logzuno.app/docs/ai-visibility): AI visibility setup for LogZuno: create a server key, send your server's requests to /v1/hits or a log drain, and see which AI assistants read your pages. - [LogZuno quickstart](https://logzuno.app/docs/quickstart): LogZuno quickstart: start a trial, create a project, copy your API key and send your first event with one HTTP request, then watch it land in the feed. - [Send events with the event tracking API](https://logzuno.app/docs/events): The LogZuno event tracking API: send one event to /v1/log or up to 100 to /v1/batch, with channels, users, properties, push notifications and safe retries. - [Send events with cURL](https://logzuno.app/docs/sdks/curl): Send events to LogZuno with cURL: one POST with your ingest key from any shell, cron job or CI step, with the response codes and how to check them. - [Projects, API keys and channels](https://logzuno.app/docs/concepts): How LogZuno is organised: organisations and projects, API keys and their scopes, channels, events, users and groups, and the limits on each request. - [REST API](https://logzuno.app/docs/api/rest): The LogZuno REST API: read events, users, segments, charts, dashboards and AI visibility, run charts and manage alerts, with tokens and an OpenAPI spec. - [Identify users](https://logzuno.app/docs/users): Identify users in LogZuno: link events to people with user_id, send their properties with /v1/identity, and use them in segments, funnels and profiles. - [Vercel log drain for AI visibility](https://logzuno.app/docs/ai-visibility/vercel): Send a Vercel log drain to LogZuno to see which AI assistants and crawlers read your site, with no code: drain settings, the endpoint and the auth header. - [Group analytics for accounts and companies](https://logzuno.app/docs/groups): Group analytics in LogZuno: send accounts with /v1/group, add members, and see active accounts, account profiles and funnels counted per account. - [JavaScript event tracking](https://logzuno.app/docs/sdks/javascript): JavaScript event tracking with LogZuno: send events from the browser with fetch and an ingest key, or use the script tag for pageviews and clicks. - [Netlify log drain for AI visibility](https://logzuno.app/docs/ai-visibility/netlify): Send a Netlify log drain to LogZuno to see which AI assistants and crawlers read your site: the endpoint, the authorization header and settings to avoid. - [Verify webhook signatures](https://logzuno.app/docs/api/webhooks): Verify webhook signatures from LogZuno alerts: read the LogZuno-Signature header, compute the HMAC-SHA256 with your secret and reject replayed requests. - [Push numbers with the insights API](https://logzuno.app/docs/insights): The LogZuno insights API: push numbers from your code, such as MRR or open tickets, then set, increment or decrement them, with 90 days of history. - [Node.js event tracking](https://logzuno.app/docs/sdks/nodejs): Node.js event tracking with LogZuno: send events from your server with the built-in fetch, batch up to 100 per request, and retry after a 429 response. - [PHP event tracking](https://logzuno.app/docs/sdks/php): PHP event tracking with LogZuno: send events from PHP 8 with the curl extension, keep the key in an environment variable, and send after the response. - [Add the website tracking script](https://logzuno.app/docs/website): Add the LogZuno website tracking script: one tag records pageviews, single-page navigation and real-people engagement, and tracks clicks with attributes. - [Python event tracking](https://logzuno.app/docs/sdks/python): Python event tracking with LogZuno: send events with urllib from the standard library, handle 429 and validation errors, and send from a background worker. - [Ruby event tracking](https://logzuno.app/docs/sdks/ruby): Ruby event tracking with LogZuno: send events with Net::HTTP from the standard library, keep the key in ENV, and send from a background job in Rails. - [Go event tracking](https://logzuno.app/docs/sdks/go): Go event tracking with LogZuno: send events with net/http and encoding/json, set a timeout, read the status code and send from a goroutine or a worker. - [Java event tracking](https://logzuno.app/docs/sdks/java): Java event tracking with LogZuno: send events with java.net.http.HttpClient from Java 11, set timeouts, check the status and send without blocking threads. - [Swift event tracking](https://logzuno.app/docs/sdks/swift): Swift event tracking with LogZuno: send events with URLSession and async/await from a server or script, and keep keys out of apps you ship to users. - [C event tracking with libcurl](https://logzuno.app/docs/sdks/c): C event tracking with LogZuno: send events with libcurl, build and link the example, set a timeout and read the status, for daemons and tools. - [Objective-C event tracking](https://logzuno.app/docs/sdks/objective-c): Objective-C event tracking with LogZuno: send events with NSURLSession and NSJSONSerialization, build the example with clang, and handle the HTTP status. - [Dart event tracking](https://logzuno.app/docs/sdks/dart): Dart event tracking with LogZuno: send events with HttpClient from dart:io on servers and command-line tools, and from Flutter apps with an ingest key. ## Comparisons - [LogZuno vs LogSnag](https://logzuno.app/compare/logsnag): LogZuno vs LogSnag: the same live event feed and push model, plus funnels, cohort retention, web analytics that count real people, AI visibility and MCP. - [PostHog alternatives: how LogZuno compares](https://logzuno.app/compare/posthog): Looking at PostHog alternatives? Compare LogZuno with PostHog on pricing model, data history, real-people web analytics, AI visibility and live alerts. - [A Mixpanel alternative with flat pricing and live events](https://logzuno.app/compare/mixpanel): A Mixpanel alternative with flat monthly pricing: LogZuno and Mixpanel compared on events, alerts, history, real-people web analytics and AI visibility. - [An Amplitude alternative for smaller product teams](https://logzuno.app/compare/amplitude): An Amplitude alternative for smaller teams: LogZuno and Amplitude compared on free plans, pricing, data history, alerts and two kinds of AI visibility. - [Usermaven vs LogZuno](https://logzuno.app/compare/usermaven): Usermaven vs LogZuno: marketing attribution against event tracking and product analytics. Compare pricing, web analytics, AI visibility and MCP support. - [Statsig alternatives for product analytics](https://logzuno.app/compare/statsig): Statsig alternatives for teams that want analytics without an experiments platform: LogZuno and Statsig compared on pricing, history and AI visibility. - [A Google Analytics alternative that sees AI assistants and bots](https://logzuno.app/compare/google-analytics): A Google Analytics alternative that sees AI assistants and bots: LogZuno counts real people, verifies ChatGPT and Perplexity visits and tracks events. ## Guides - [AI crawler user agents, what they do and how to verify them](https://logzuno.app/guides/ai-crawler-user-agents): AI crawler user agents in 2026: every agent from OpenAI, Perplexity, Anthropic, Google, Apple, Amazon, Meta and Common Crawl, its job and its IP list. - [Bot traffic in GA4, and why your user count is too high](https://logzuno.app/guides/bot-traffic-in-google-analytics): Bot traffic in GA4: what Google filters for you, why bots that run JavaScript still count as users, the signs to look for, and how to count real people. - [The ChatGPT referral traffic decline of October 2026](https://logzuno.app/guides/chatgpt-referral-traffic-decline): The ChatGPT referral traffic decline of October 2026: what GPT-6 changed, why visits moved to Direct, what is confirmed and what to check on your site. - [How to find ChatGPT traffic in GA4, and why some of it is missing](https://logzuno.app/guides/chatgpt-traffic-in-google-analytics): How to see ChatGPT traffic in GA4: the AI Assistant channel, the utm_source=chatgpt.com tag, why many ChatGPT clicks land in Direct and what fills the gap. - [llms.txt, explained](https://logzuno.app/guides/llms-txt): llms.txt explained: what the file is, the exact format from the llmstxt.org proposal, what changed in version 2, who reads it, and how to write a good one. - [AI crawler analytics, from your server logs to a report](https://logzuno.app/guides/track-ai-crawlers): AI crawler analytics in practice: find ChatGPT, Perplexity and Claude in your server logs, verify them against their IP lists and measure what they read. - [Ecommerce metrics that explain your revenue](https://logzuno.app/metrics/ecommerce-metrics): Ecommerce metrics that explain revenue: conversion rate, cart abandonment, acquisition cost, active and returning buyers, seller activity, repeat orders. - [Fintech metrics for product teams](https://logzuno.app/metrics/fintech-metrics): Fintech metrics for product teams: active users, transactions and volume, acquisition cost, drifting users, feature audits and technical signals to watch. - [Mobile app metrics that show whether your app works](https://logzuno.app/metrics/mobile-app-metrics): Mobile app metrics that show whether an app works: sign-ups, active users, sessions per user, stickiness, free-to-paid conversion and cohort retention. - [SaaS metrics a product team can act on](https://logzuno.app/metrics/saas-metrics): The SaaS metrics a product team can act on: active users, feature adoption and usage, power users, retention and friction, with formulas and events. ## Free tools - [AI crawler checker](https://logzuno.app/tools/ai-crawler-checker): Free AI crawler checker: enter your site and see whether GPTBot, ChatGPT-User, PerplexityBot, ClaudeBot and 18 other crawlers may read it, per robots.txt. - [robots.txt checker and tester](https://logzuno.app/tools/robots-txt-checker): Free robots.txt checker: fetch or paste a robots.txt, test any URL against any user agent, and see the exact rule that allows or blocks it, per RFC 9309. - [llms.txt checker](https://logzuno.app/tools/llms-txt-checker): Free llms.txt checker: fetch or paste your llms.txt and check it against the llmstxt.org format, from the H1 and summary to every link, with fixes listed. - [llms.txt generator](https://logzuno.app/tools/llms-txt-generator): Free llms.txt generator: describe your site, add sections and links or import them from your sitemap, and download a file in the llmstxt.org format. - [UTM builder](https://logzuno.app/tools/utm-builder): Free UTM builder: add utm_source, utm_medium, utm_campaign, term and content to any link, keep its other parameters and copy a clean campaign URL. - [Churn rate calculator](https://logzuno.app/tools/churn-rate-calculator): Free churn rate calculator: enter customers at the start of a period and customers lost to get your churn rate, with the formula and a yearly view. - [Customer retention rate calculator](https://logzuno.app/tools/retention-rate-calculator): Free retention rate calculator: customers at the start, at the end and newly acquired give your customer retention rate, using the (E − N) ÷ S formula. - [Customer lifetime value calculator](https://logzuno.app/tools/customer-lifetime-value-calculator): Free customer lifetime value calculator: monthly revenue per customer, gross margin and monthly churn give your CLV and expected lifetime in months. - [Conversion rate calculator](https://logzuno.app/tools/conversion-rate-calculator): Free conversion rate calculator: enter visitors and conversions to get your conversion rate, then see how many more a higher target rate would take. ## Company - [About LogZuno](https://logzuno.app/about): About LogZuno: an event tracking and product analytics platform built around live events, real-people web analytics and verified AI visibility. - [Security at LogZuno](https://logzuno.app/security): LogZuno security, in detail: tenant isolation in the database, hashed API keys, 2FA and passkeys, no stored visitor IPs and events deleted after 90 days. ## Optional - [Analytics for startups, from day one](https://logzuno.app/blog/analytics-for-startups): Analytics for startups: the few events to track from day one, the three charts that matter before product-market fit, and what to leave until later. - [How to choose between product analytics tools](https://logzuno.app/blog/product-analytics-tools): How to choose between product analytics tools: the questions to ask about data, pricing, history, identity, privacy and lock-in before you commit to one. - [Conversion tracking you can trust](https://logzuno.app/blog/conversion-tracking): Conversion tracking done right: define one conversion, send it from the server, attribute it to the right source, and measure the steps that lead to it. - [Customer acquisition strategies backed by data](https://logzuno.app/blog/customer-acquisition-strategies): Customer acquisition strategies for SaaS: compare channels on retention, not sign-ups, measure what each customer costs, and find the AI channel you miss. - [Customer behavior analysis, a practical method](https://logzuno.app/blog/customer-behavior-analysis): Customer behavior analysis in practice: the data you need, five analyses that explain what customers do, and how to turn what you find into changes. - [Customer lifetime value, explained](https://logzuno.app/blog/customer-lifetime-value): Customer lifetime value explained: the formula, why to use gross margin, how churn sets it, how it relates to acquisition cost, and the mistakes to avoid. - [Data-driven decision making for product teams](https://logzuno.app/blog/data-driven-decision-making): Data-driven decision making for product teams: frame the decision, pick the metric, set the threshold before you look, and know when the data can't decide. - [DAU, WAU and MAU: active users explained](https://logzuno.app/blog/dau-wau-mau): DAU, WAU and MAU explained: how to define an active user, calculate daily, weekly and monthly active users and stickiness, and read the trends well. - [Event tracking examples for seven kinds of business](https://logzuno.app/blog/event-tracking-examples): Event tracking examples for SaaS, ecommerce, marketplaces, fintech, media, education and mobile apps, plus the mistakes that make events hard to trust. - [Event-driven analytics and how it works](https://logzuno.app/blog/event-driven-analytics): Event-driven analytics explained: why events beat pageviews and tables for product questions, how an event model works, and how to design one that lasts. - [Feature creep, and how product data keeps it in check](https://logzuno.app/blog/feature-creep): Feature creep: why products accumulate features nobody uses, how to measure adoption and usage per feature, and how to decide what to fix, keep or retire. - [Micro conversions, the steps before the sale](https://logzuno.app/blog/micro-conversions): Micro conversions are the small steps before a sale or sign-up: which to track, how they show where people drop off, and how not to optimise the wrong one. - [Power users, and what they teach you](https://logzuno.app/blog/power-users): Power users are the people who use your product most. How to find them with a power-user curve, what to learn from them, and how to create more of them. - [Product analytics best practices that hold up over time](https://logzuno.app/blog/product-analytics-best-practices): Product analytics best practices: start from questions, name events for people, send them from the server, keep properties consistent and prune. - [Product analytics vs web analytics](https://logzuno.app/blog/product-analytics-vs-web-analytics): Product analytics vs web analytics: what each measures, the questions each answers, where they overlap, and why a shared user ID turns them into one story. - [Real-time event tracking, and when seconds matter](https://logzuno.app/blog/real-time-event-tracking): Real-time event tracking explained: when seconds matter, how a live event feed works, what to send it, and how to use notifications without the noise. - [SaaS customer retention, measured and improved](https://logzuno.app/blog/saas-customer-retention): SaaS customer retention: how to measure it with cohorts, the early signals of churn, drifting users, and the changes that keep customers coming back. - [SaaS KPIs, the short list that matters](https://logzuno.app/blog/saas-kpis): SaaS KPIs for product and growth teams: activation, retention, engagement, expansion and churn, how to calculate each, and how to set useful targets. - [User activity tracking, done responsibly](https://logzuno.app/blog/user-activity-tracking): User activity tracking for product teams: what activity to record, how to tie it to people and accounts, how to read timelines, and how to respect privacy. - [User behavior analytics for product teams](https://logzuno.app/blog/user-behavior-analytics): User behavior analytics for product teams: the questions it answers, the analyses that matter from funnels to retention to timelines, and how to start. - [User engagement metrics that predict retention](https://logzuno.app/blog/user-engagement-metrics): User engagement metrics that predict retention: active days, stickiness, core actions per user, feature breadth and engaged users, and how to measure them. - [User journey mapping with real event data](https://logzuno.app/blog/user-journey-mapping): User journey mapping with real data: draw the journey you expect, measure it with events and funnels, find where people leave and fix the worst step. - [Vanity metrics vs actionable metrics](https://logzuno.app/blog/vanity-metrics-vs-actionable-metrics): Vanity metrics vs actionable metrics: how to tell them apart, the common vanity metrics in SaaS, and the rates and cohorts that should replace them. - [Vibe coded apps need eyes in production](https://logzuno.app/blog/vibe-coded-apps): Vibe coded apps ship fast and break quietly. Why teams building with AI coding agents need live events, alerts and an MCP server to see what users do. - [What is product analytics?](https://logzuno.app/blog/what-is-product-analytics): What is product analytics? How it works, the questions it answers, how it differs from web analytics, and how to start with a handful of well-named events. - [What is an A/B test?](https://logzuno.app/glossary/a-b-test): A/B test: an experiment that shows two versions of something to comparable groups of users at random and measures which performs better. How to measure it. - [What is activation rate?](https://logzuno.app/glossary/activation-rate): Activation rate: the share of new users who reach the first moment of real value in a product within a set time after signing up. With the formula. - [What are active users?](https://logzuno.app/glossary/active-users): Active users: the number of distinct people who did something meaningful in a product during a day, week or month. In plain language, with practical notes. - [What is annual recurring revenue?](https://logzuno.app/glossary/annual-recurring-revenue): Annual recurring revenue: the yearly value of a subscription business's recurring revenue, usually monthly recurring revenue × 12. With the formula. - [What is average revenue per user?](https://logzuno.app/glossary/average-revenue-per-user): Average revenue per user: revenue in a period divided by the number of users or customers in that period. With the formula and a worked example. - [What is a beta test?](https://logzuno.app/glossary/beta-test): What is a beta test? A trial of a product or feature with a limited group of real users before general release, to find problems and test value. - [What is burn rate?](https://logzuno.app/glossary/burn-rate): Burn rate: the rate at which a company spends more cash than it brings in, usually measured per month. With the formula and a worked example. - [What is business intelligence?](https://logzuno.app/glossary/business-intelligence): Business intelligence: the tools and practices that combine data from across a company into reports, and how BI differs from product analytics. - [What is cart abandonment?](https://logzuno.app/glossary/cart-abandonment): Cart abandonment: when a shopper adds products to an online cart but leaves without completing the purchase. In plain language, with practical notes. - [What is checkout abandonment rate?](https://logzuno.app/glossary/checkout-abandonment-rate): What is checkout abandonment rate? The share of shoppers who start the checkout process but leave before completing their order. With the formula. - [What is churn rate?](https://logzuno.app/glossary/churn-rate): Churn rate: the share of customers or subscribers who stop using or paying for a product during a period. With the formula and a worked example. - [What is click-through rate (CTR)?](https://logzuno.app/glossary/click-through-rate-ctr): Click-through rate (CTR): the share of people who saw a link, ad or message and clicked it. Includes the formula and a worked example you can follow. - [What is cohort analysis?](https://logzuno.app/glossary/cohort-analysis): Cohort analysis: analysing groups of users who share a starting point, such as their sign-up week, to compare how each group behaves over time. - [What is conversion rate?](https://logzuno.app/glossary/conversion-rate): Conversion rate: the share of visitors or users who complete a goal, such as signing up or buying. Includes the formula, with notes on using it well. - [What is cost per lead?](https://logzuno.app/glossary/cost-per-lead): What is cost per lead? Marketing spend divided by the number of leads it generated. Includes the formula and a worked example you can follow. - [What is crawlability?](https://logzuno.app/glossary/crawlability): Crawlability: how easily search engines and other crawlers can find and fetch the pages of a website. In plain language, with practical notes. - [What are crawler directives?](https://logzuno.app/glossary/crawler-directives): What are crawler directives? Instructions that tell crawlers what they may fetch, index or follow, given in robots.txt, meta tags or HTTP headers. - [What is cross-selling?](https://logzuno.app/glossary/cross-selling): Cross-selling: offering an existing customer a different, complementary product or add-on. Defined in plain language, with how to measure it. - [What is customer acquisition?](https://logzuno.app/glossary/customer-acquisition): Customer acquisition: the process and cost of winning new customers, from first contact to first purchase. In plain language, with practical notes. - [What is customer effort score?](https://logzuno.app/glossary/customer-effort-score): Customer effort score: a survey measure of how easy customers found it to get something done, such as resolving an issue or completing a task. - [What is a customer engagement score?](https://logzuno.app/glossary/customer-engagement-score): A customer engagement score combines several usage signals into one number per customer. How to build one from events and check it predicts retention. - [What is customer expansion?](https://logzuno.app/glossary/customer-expansion): Customer expansion: growth in revenue from existing customers through upgrades, more seats or additional products. In plain language, with practical notes. - [What is customer growth rate?](https://logzuno.app/glossary/customer-growth-rate): Customer growth rate: the rate at which a company's number of customers grows over a period. Includes the formula and a worked example you can follow. - [What is a customer health score?](https://logzuno.app/glossary/customer-health-score): What is a customer health score? A score that estimates how likely a customer is to stay, renew or grow, based on usage and relationship signals. - [What is the customer journey?](https://logzuno.app/glossary/customer-journey): Customer journey: the full set of steps a person goes through, from first hearing about a product to becoming and staying a customer. How to measure it. - [What is the customer lifecycle?](https://logzuno.app/glossary/customer-lifecycle): Customer lifecycle: the stages a customer moves through over their whole relationship with a business, from acquisition to churn or renewal. - [What is customer retention?](https://logzuno.app/glossary/customer-retention): Customer retention: a business's ability to keep its customers over time, and the work of doing so. Defined in plain language, with how to measure it. - [What is customer retention cost?](https://logzuno.app/glossary/customer-retention-cost): Customer retention cost: what a business spends to keep existing customers, such as support, success and loyalty programmes. With the formula. - [What is customer satisfaction score?](https://logzuno.app/glossary/customer-satisfaction-score): What is customer satisfaction score? A survey measure of how satisfied customers are with a product, service or interaction. With the formula. - [What is customer segmentation?](https://logzuno.app/glossary/customer-segmentation): Customer segmentation divides customers into groups by traits or behaviour. The kinds of segments, and how to build them from events and properties. - [What are daily active users (DAU)?](https://logzuno.app/glossary/daily-active-users-dau): Daily active users (DAU): the number of distinct people who did something meaningful in a product on a given day. In plain language, with practical notes. - [What is the DAU/MAU ratio?](https://logzuno.app/glossary/dau-mau-ratio): What is the DAU/MAU ratio? Daily active users divided by monthly active users: the share of monthly users who use a product on a typical day. - [What is digital adoption?](https://logzuno.app/glossary/digital-adoption): Digital adoption: the degree to which people use a digital product or tool to its full intended value. Defined in plain language, with how to measure it. - [What is engagement rate?](https://logzuno.app/glossary/engagement-rate): Engagement rate is the share of people who interacted out of all who could have. How the definition changes by context, and how to measure it honestly. - [What is expansion revenue?](https://logzuno.app/glossary/expansion-revenue): Expansion revenue: additional recurring revenue from existing customers through upgrades, extra seats or add-ons. In plain language, with practical notes. - [What is feature adoption rate?](https://logzuno.app/glossary/feature-adoption-rate): Feature adoption rate: the share of active users who used a specific feature in a period. Includes the formula and a worked example you can follow. - [What is freemium conversion rate?](https://logzuno.app/glossary/freemium-conversion-rate): Freemium conversion rate: the share of users on a free plan who upgrade to a paid plan. A plain-language definition from the LogZuno glossary. - [What is the freemium model?](https://logzuno.app/glossary/freemium-model): Freemium model: a pricing model that offers a basic product free forever and charges for advanced features, more usage or more seats. How to measure it. - [What is gross margin?](https://logzuno.app/glossary/gross-margin): Gross margin: revenue minus the direct cost of delivering it, as a share of revenue. Includes the formula and a worked example you can follow. - [What is growth hacking?](https://logzuno.app/glossary/growth-hacking): Growth hacking: rapid, experiment-driven work across product and marketing to find cheap, scalable ways to grow. In plain language, with practical notes. - [What is in-app messaging?](https://logzuno.app/glossary/in-app-messaging): In-app messaging shows tooltips, banners and announcements inside a product. When it helps, when it interrupts, and how to measure whether it works. - [What is jobs to be done?](https://logzuno.app/glossary/jobs-to-be-done): What is jobs to be done? A framework that explains product choices by the job a customer is trying to get done, rather than by who the customer is. - [What is a KPI?](https://logzuno.app/glossary/kpi): A KPI, or key performance indicator, is a number a team commits to improving because it tracks a goal. What makes a good KPI, and how many to have. - [What is lead velocity rate?](https://logzuno.app/glossary/lead-velocity-rate): What is lead velocity rate? The month-over-month growth rate of qualified leads, used as an early indicator of future revenue. With the formula. - [What is lifetime value?](https://logzuno.app/glossary/lifetime-value): Lifetime value: an estimate of the total margin a business earns from a customer over their whole relationship. With the formula and a worked example. - [What is the LTV:CAC ratio?](https://logzuno.app/glossary/ltv-cac-ratio): What is the LTV:CAC ratio? Customer lifetime value divided by customer acquisition cost: how much a customer is worth for every dollar spent to win them. - [What is the meta robots tag?](https://logzuno.app/glossary/meta-robots-tag): The meta robots tag tells search engines whether to index a page and follow its links. Its common values, and why a blocked page never sees it. - [What is mobile analytics?](https://logzuno.app/glossary/mobile-analytics): What is mobile analytics? Measuring how people find, use and keep using a mobile app. A plain-language definition from the LogZuno glossary. - [What are monthly active users?](https://logzuno.app/glossary/monthly-active-users): What are monthly active users? The number of distinct people who did something meaningful in a product over a 30-day period. With the formula. - [What is monthly recurring revenue?](https://logzuno.app/glossary/monthly-recurring-revenue): Monthly recurring revenue (MRR) is a subscription business's predictable monthly revenue. Its parts: new, expansion, contraction and churned MRR. - [What is MRR growth rate?](https://logzuno.app/glossary/mrr-growth-rate): MRR growth rate: the percentage change in monthly recurring revenue from one month to the next. Includes the formula and a worked example you can follow. - [What is net revenue retention?](https://logzuno.app/glossary/net-revenue-retention): Net revenue retention: the share of recurring revenue kept from existing customers over a period, including expansion and after churn and downgrades. - [What is a noindex tag?](https://logzuno.app/glossary/noindex-tag): Noindex tag: a directive that tells search engines not to show a page in their results. A plain-language definition from the LogZuno glossary. - [What is NPS?](https://logzuno.app/glossary/nps): What is NPS? Net Promoter Score: a loyalty measure based on how likely customers are to recommend a product, from −100 to 100. With the formula. - [What is organic traffic?](https://logzuno.app/glossary/organic-traffic): Organic traffic is website visits from unpaid search results. What changes it, how AI answers affect it, and how to judge its value by what it brings. - [What is a pageview?](https://logzuno.app/glossary/pageview): What is a pageview? One load of a web page in a browser, recorded by an analytics tool. A plain-language definition from the LogZuno glossary. - [What is paid traffic?](https://logzuno.app/glossary/paid-traffic): Paid traffic: website visits that come from paid advertising, such as search, social or display ads. A plain-language definition from the LogZuno glossary. - [What are product qualified leads?](https://logzuno.app/glossary/product-qualified-leads): Product qualified leads are users whose product usage shows they are likely to buy. How to define a PQL from your own data, and how to act on it. - [What is product usage rate?](https://logzuno.app/glossary/product-usage-rate): Product usage rate: how much of a product people use, or how often, measured per user or account. Defined in plain language, with how to measure it. - [What is product-market fit?](https://logzuno.app/glossary/product-market-fit): Product-market fit: the point where a product satisfies a real market need well enough that customers keep using it and growth comes more easily. - [What is referral traffic?](https://logzuno.app/glossary/referral-traffic): What is referral traffic? Website visits that arrive from links on other websites. Defined in plain language, with how to use it in practice. - [What is retention rate?](https://logzuno.app/glossary/retention-rate): Retention rate is the share of customers or users who stay over a period. The formula, a worked example, and how product retention differs from it. - [What is revenue churn?](https://logzuno.app/glossary/revenue-churn): Revenue churn: the share of recurring revenue lost in a period through cancellations and downgrades. Includes the formula, with notes on using it well. - [What is revenue run rate?](https://logzuno.app/glossary/revenue-run-rate): What is revenue run rate? A projection of yearly revenue based on revenue from a recent period, such as a month or a quarter. With the formula. - [What is robots.txt?](https://logzuno.app/glossary/robots-txt): robots.txt: a text file at the root of a website that tells crawlers which URLs they may fetch. A plain-language definition from the LogZuno glossary. - [What is a SaaS metrics dashboard?](https://logzuno.app/glossary/saas-metrics-dashboard): A SaaS metrics dashboard puts the few numbers a subscription team runs on onto one page: acquisition, activation, engagement, retention and revenue. - [What is session duration?](https://logzuno.app/glossary/session-duration): Session duration: how long a visit or app session lasts, from the first interaction to the last. Defined in plain language, with how to measure it. - [What is time to value?](https://logzuno.app/glossary/time-to-value): Time to value: how long it takes a new user to get the first real benefit from a product. Includes the formula, with notes on using it well. - [What is top of funnel?](https://logzuno.app/glossary/top-of-funnel): Top of funnel: the first stage of the customer journey, where people first become aware of a product. Defined in plain language, with how to measure it. - [What is a unified customer profile?](https://logzuno.app/glossary/unified-customer-profile): A unified customer profile combines what's known about a customer from product, website, billing and support into one record with a single ID. - [What is upselling?](https://logzuno.app/glossary/upselling): Upselling: encouraging an existing customer to buy a higher plan, more seats or a larger version of what they already use. How to measure it. - [What is user onboarding?](https://logzuno.app/glossary/user-onboarding): User onboarding: the process that takes a new user from sign-up to their first real success with a product. In plain language, with practical notes. - [What are UTM parameters?](https://logzuno.app/glossary/utm-parameters): UTM parameters: tags added to a link's URL that tell analytics tools the source, medium and campaign of a visit. In plain language, with practical notes. - [What is the viral coefficient?](https://logzuno.app/glossary/viral-coefficient): Viral coefficient: the average number of new users each existing user brings in through invitations or referrals. With the formula and a worked example. - [What is a web crawler?](https://logzuno.app/glossary/web-crawler): What is a web crawler? An automated program that fetches web pages, to index them for search, collect training data or answer a person's question. - [What is win rate?](https://logzuno.app/glossary/win-rate): Win rate is the share of qualified sales opportunities that become customers. The formula, and how product usage during a trial predicts it. - [What is the X-Robots-Tag?](https://logzuno.app/glossary/x-robots-tag): The X-Robots-Tag HTTP header gives crawlers indexing instructions for any file, including PDFs and images. When to use it instead of a meta tag. - [What is zero-click search?](https://logzuno.app/glossary/zero-click-search): Zero-click search is when a person gets the answer on the results page and clicks nowhere. Why it matters, and the AI-assistant version of it.