# Amplitude Explore Hub ## Featured Articles [**What Is Diagnostic Analytics? A Quick Guide** Unlock the "why" behind data with diagnostic analytics. Discover its importance, techniques, and how tools like Amplitude Analytics help drive success. Read more](/content/explore/analytics/what-diagnostic-analytics/index.html) [**What Is Data Taxonomy?** A data taxonomy allows organizations to manage and classify information. Explore the benefits, examples, and alternatives to data taxonomies below. Read more](/content/explore/data/what-data-taxonomy/index.html) [**What Are Feature Flags? Best Practice Guide** Explore everything to know about feature flags. Learn how they enhance software development, foster collaboration, and ensure a seamless user experience. Read more](/content/explore/experiment/feature-flags-best-practices/index.html) [**What Are Heatmaps? 101 Guide** Learn what heatmaps are, how they work, best practices for analysis, and how they can help you optimize your site and app experiences for higher conversions. Read more](/content/explore/analytics/heatmaps/index.html) ## Analytics Discover the power of analytics through our in-depth guides, from basic to advanced concepts. [**What Is Product Analytics?**](/content/explore/analytics/product-analytics-guide/index.html) Product analytics tracks how users interact with your digital product. Learn key metrics, analysis types, and benchmarks from 10,600+ products. [**What Is a Retention Curve: Complete Definition & Examples**](/content/explore/analytics/retention-curve/index.html) Understand the core parts of a retention curve—cohorts, time intervals, and retention checkpoints—with clear examples. [**What Is Churn Prediction: Complete Guide**](/content/explore/analytics/churn-prediction/index.html) Explore the steps to predict churn, avoid common pitfalls like data leakage, and choose metrics like precision and recall. [**What Is Cohort Retention Analysis: Essential Metrics Guide**](/content/explore/analytics/cohort-retention-analysis/index.html) Understand where users abandon multi-step journeys and how to fix forms, performance, trust, and pricing to raise completion rates. ## Data Explore comprehensive guides and insights on everything data-related, from cleaning and governance to strategy and pipelines. [**What Is Event Taxonomy: Complete Definition & Framework**](/content/explore/data/event-taxonomy/index.html) Learn how to build a future-proof taxonomy that supports funnels, journeys, cohorts, and experiments. [**What Is Data Taxonomy?**](/content/explore/data/what-data-taxonomy/index.html) A data taxonomy allows organizations to manage and classify information. Explore the benefits, examples, and alternatives to data taxonomies below. [**What is a Data Analytics Platform?**](/content/explore/data/data-analytics-platform/index.html) Learn more about data analytics platforms in our data content hub. Data analytics platforms offer businesses a place to collect, process, analyze, and visualize large data volumes. [**What Is Data Cleaning?**](/content/explore/data/data-cleaning-guide/index.html) Discover how data cleaning improves datasets and enables reliable analyses central to business growth and success. Learn the methods and best practices. ## Digital Marketing Dive into comprehensive guides on marketing basics, growth marketing best practices, and driving sustainable growth in the digital landscape. [**What is Account-Based Marketing (ABM)?**](/content/explore/digital-marketing/what-account-based-marketing/index.html) Learn what account-based marketing is, how B2B companies use ABM to target high-value accounts, and why it delivers higher ROI than traditional marketing. [**Cross-Channel Marketing: The Complete Guide**](/content/explore/digital-marketing/cross-channel-marketing/index.html) Learn how cross-channel marketing connects customer touchpoints, drives conversions, and maximizes ROI. Includes strategies, examples, and best practices. [**Cross-Device Attribution: Tracking Users Across All Touchpoints**](/content/explore/digital-marketing/cross-device-attribution/index.html) Discover how cross-device attribution connects fragmented touchpoints, fixes ROI blind spots, and helps marketers allocate budgets with confidence. [**What is Marketing Campaign Analytics?**](/content/explore/digital-marketing/what-marketing-campaign-analytics/index.html) Discover how campaign analytics helps you retain users, optimize spend, and drive long-term success by linking acquisition to customer lifetime value. ## Experiment Unlock product and web experimentation by reading our detailed guides of testing concepts, experimentation metrics, and optimizing your product development process. [**The Complete Guide To Experimentation Platforms**](/content/explore/experiment/experimentation-platform-guide/index.html) Explore the ultimate resource on experimentation platforms. Grasp the art of data-driven decisions, boost customer satisfaction, and drive business growth. [**What Is Fake Door Testing: Methods And Best Practices**](/content/explore/experiment/fake-door-testing/index.html) Test real customer demand before writing a single line of code. Use fake door testing to uncover what users actually want—and focus your team’s time where it matters most. [**What Is Incrementality Testing for Modern Marketers**](/content/explore/experiment/incrementality-testing/index.html) Incrementality Testing is a controlled experiment that reveals which conversions your marketing actually caused. Learn how to measure real lift and optimize spend with Amplitude. [**Marketing Experimentation Explained: Strategy and Best Practices**](/content/explore/experiment/marketing-experimentation/index.html) What is Marketing Experimentation: a structured method to test messages, audiences, and channels. Learn how to design experiments and scale proven strategies with Amplitude. ## Product Learn how to launch successful products, drive adoption, and drive product-led growth for your business. [**How to Launch a SaaS Product**](/content/explore/product/how-to-launch-product/index.html) Learn the art of a SaaS product launch with our step-by-step guide. Discover the best strategies, tools, and metrics for success in the competitive market. [**The Ultimate Guide to In-App Surveys**](/content/explore/product/in-app-surveys/index.html) Learn how in-app surveys collect real-time user feedback, lead to better product decisions, and enhance the user experience—without disrupting your users. [**A Guide to Collecting In-App Feedback**](/content/explore/product/in-app-feedback/index.html) Learn how to collect, analyze, and act on in-app feedback to improve user experience, prioritize features, and drive product success with real-time insights. [**In-App Messaging: What It Is and How to Do It**](/content/explore/product/in-app-messaging/index.html) Learn how to use in-app messaging to drive engagement, improve retention, and guide users with timely, personalized messages that enhance the user experience. ## Metrics Read our guides on how to measure, analyze, and optimize metrics to grow your product and business. [**The Complete Guide To Customer Acquisition Cost (CAC)**](/content/explore/metrics/guide-to-customer-acquisition-cost/index.html) Explore the ultimate guide to customer acquisition cost (CAC) to understand the metric’s importance, monetary value, and most impactful channels to utilize. [**Website Metrics: The Complete Guide**](/content/explore/metrics/website-metrics-guide/index.html) Dive into the world of website metrics with our comprehensive guide. Uncover valuable insights, optimize user experiences, and boost your digital success. [**What Is Average Revenue Per Customer (ARPU)? How To Calculate It**](/content/explore/metrics/what-arpu-how-calculate/index.html) Learn what Average Revenue Per Customer (ARPU) is and how to calculate and increase it. Dive into the essential metric for business success in our guide. [**What Is A Net Promoter Score (NPS)? The Complete Guide**](/content/explore/metrics/what-net-promoter-score-guide/index.html) Explore everything to know about Net Promoter Score (NPS). Learn its impact on customer loyalty and satisfaction and how to leverage it for business growth.