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Conversion Rate Optimization (CRO) Glossary Terms

Session Recording

Conversion Rate Optimization (CRO) Glossary Terms/

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Session Recording

What is session recording?

Session recording is a user experience monitoring technique that captures a user’s entire interaction within a single session on your website or app. It includes mouse movements, scrolling behavior, clicks, and form inputs (excluding sensitive data).

How session recording in CRO works:

  1. A JavaScript snippet is placed on your website.
  2. The tool logs interaction data from each user’s browser.
  3. That data is sent to a server, stored securely, and replayed visually through the platform’s dashboard.

These recordings allow you to watch real users as if you’re looking over their shoulders.

What can you see in a session recording?

Mouse and scroll behavior

You can observe exactly how users move their mouse, what areas they hover over, and how far they scroll down a page. This helps identify where attention drops off or what’s catching interest.

Clicks and rage clicks

All user clicks are recorded, including normal interactions and repeated, rapid clicks—commonly referred to as rage clicks, which indicate frustration.

Navigation flow

You can see which pages the user visits, how long they stay on each one, and in what order. This helps in analyzing whether your intended journey matches actual user paths.

Form interactions

You can track whether a user interacted with a form, where they paused, and whether they completed it. Sensitive data is usually masked automatically to maintain compliance.

Why do session recordings matter?

Uncover hidden usability issues

Session recordings help you find things that analytics alone cannot show— like non-clickable buttons that users keep clicking or confusing layout choices that result in navigation loops.

Improve conversion rates

By watching where users hesitate or abandon key flows (e.g., checkout or signup), you can make informed UX adjustments to reduce friction and increase conversions.

Validate design changes

After making changes to a layout or flow, you can monitor how users respond without needing to run long A/B tests initially.

How does session recording work?

session recording workflow

Data collection method

The recording tool captures front-end activity (mouse, scroll, taps) by injecting lightweight JavaScript into your site’s code. This script listens for user interactions.

Real-time or batch processing

Depending on the tool, data is sent in real time or in scheduled batches to the provider’s server. Most providers offer dashboards where you can filter and play back sessions.

Session reconstruction

The data collected isn’t a literal screen recording. It’s a recreation using DOM snapshots, event triggers, and state changes that emulate the user’s behavior visually.

What session recordings do NOT capture?

Session recordings are designed with privacy in mind. They typically:

  • Do not capture sensitive input fields (like passwords or credit card numbers).
  • Do not record audio or webcam footage.
  • Do not show personal identifiable information (PII) unless configured to.

You can configure masking rules for fields like email, phone number, or user ID.

Who uses session recording?

UX and Product Designers

They use session recordings to watch how real users interact with layouts, features, and flows. This helps spot confusion points, dead clicks, and areas where users hesitate or get lost. It’s like a usability test, but with live data from actual users.

Marketers and CRO Experts

Conversion rate optimization (CRO) teams watch sessions to understand why users drop off or abandon forms. It helps test funnel performance, check if CTAs are seen and clicked, and tweak landing pages for better engagement and conversions.

Developers and QA Teams

Session recordings are useful for debugging frontend issues. Developers can replay bugs reported by users to see exactly what went wrong— no need to rely on vague descriptions or screenshots. QA teams also use it to test how new features behave in real usage.

Customer Support Teams

When users face issues, support teams can review session recordings to understand what happened— whether it's a login problem, a failed payment, or something else. It helps resolve tickets faster and more accurately without going back and forth.

Product Managers

They use session recordings to validate feature adoption and understand user journeys. It helps answer questions like: 

  • Are users using the feature as intended? 
  • Are they getting stuck? 
  • Are the onboarding steps working?

Session recording vs session replay — what’s the difference?

The main difference between session recording and session replay is terminology. Both refer to capturing and replaying user interactions on a website, but "session recording" emphasizes data capture, while "session replay" focuses on playback. 

Functionally, they are the same in most analytics tools.

Session recording vs heatmaps— What’s the difference?

The main difference between session recording and heatmaps is that session recording captures full user sessions as video replays, while heatmaps visualize user behavior through aggregated click, scroll, or movement data. 

Session recordings offer detailed interaction insights; heatmaps reveal general engagement patterns across a page.

Session Recording

  • What it is: A video replay of a real user’s interaction on your website (mouse movements, clicks, scrolls, page visits).
  • Purpose: Helps you understand individual user behavior and identify UX issues in real-time.
  • Use Cases:
    • Spot where users drop off during a form or checkout.
    • Watch how users navigate confusing UI flows.
    • Debug user-specific issues.

Heatmaps

What it is: A visual summary showing where users click, move, or scroll most—aggregated across many users.

  • Types: Click maps, scroll maps, and move maps.
  • Purpose: Identify patterns and popular areas on your pages.
  • Use Cases:
    • See which CTAs get the most attention.
    • Check if important content is seen or missed.
    • Optimize page layout based on user interaction hotspots.

Here’s a comparison table:

Feature

Session Recording

Heatmaps

View type

Individual replays

Aggregated visuals

Focus

Behavior flow & usability issues

Engagement patterns

Data granularity

High (per-user level)

Medium (aggregate insights)

Best for

UX troubleshooting, bug tracking

Layout decisions, A/B testing

Data volume needed

Low (a few sessions)

High (many users)

So, which one should you use?

  • 👉 Use session recordings to find the problem.
  • 👉 Use heatmaps to see how widespread the problem is.

Best session recording tools

Here are some session recording tools commonly used for Conversion Rate Optimization (CRO) audit services:

1. Lucky Orange

Lucky Orange provides session recording and replay tools that capture user interactions in real-time. It features visitor profiles, dynamic heatmaps, and form analytics to help identify drop-off points in user journeys, enhancing conversion strategies.

2. FullStory

FullStory records all user sessions and links them to support tickets, allowing for quick identification of issues. It indexes recordings by user data and frustration signals, helping teams spot problem areas efficiently.

3. Crazy Egg

Crazy Egg offers session recordings that track user activity, including mouse movements and clicks. It provides insights into user behavior and helps optimize web pages based on engagement metrics, despite a less intuitive interface.

4. Mouseflow

Mouseflow captures 100% of user sessions by default, providing insights into user behavior through session replays and heatmaps. It allows for detailed analysis of user interactions, helping identify friction points in the user journey.

5. Smartlook

Smartlook offers session recording on both web and mobile platforms, with features like heatmaps and event tracking. It helps teams understand user engagement and optimize conversion funnels effectively.

6. Microsoft Clarity

Microsoft Clarity is a free tool that captures user interactions and provides heatmaps and session recordings. It helps users understand behavior patterns and improve website usability without complex setups.

7. LogRocket

LogRocket records user sessions across web and mobile apps, providing insights into user behavior and technical issues. It features AI-driven error detection and integrates with support tools for efficient troubleshooting.

8. VWO

VWO combines session recordings with A/B testing and heatmaps, allowing businesses to analyze user behavior and optimize conversion funnels. It offers a user-friendly interface for easy navigation and insights.

How to analyze session recordings

Step 1: Filter sessions

Narrow down by device type, country, entry URL, exit URL, or conversion funnel.

Step 2: Prioritize high-value sessions

Look at sessions with form abandonments, rage clicks, or sudden exits.

Step 3: Tag insights

Use tags or notes to highlight design issues, user confusion, or bugs for your team.

Step 4: Take action

Document patterns. Share insights. Make design changes based on real behavior, not assumptions.

Limitations of session recordings

While powerful, session recordings are not perfect. Common limitations include:

  • Sampling bias: You may not record every session unless you pay for unlimited data.
  • Time-consuming analysis: Watching sessions manually takes effort.
  • Blocked tracking: Some users use ad blockers that may prevent recording scripts.
  • No emotional context: You see what users do, not why—so it’s best paired with surveys or feedback tools.

Session recording use cases by industry

Ecommerce

  • Watch users abandon carts and identify blockers
  • Optimize product discovery and search behavior
  • Improve checkout flows

SaaS platforms

  • Track user onboarding experiences
  • Analyze feature usage drop-offs
  • Improve account setup and billing flows

Educational websites

  • See how students interact with content
  • Understand what’s ignored or misunderstood
  • Improve user journeys in learning modules

     

Publishing and media

  • Track reading engagement and scroll behavior
  • Measure ad visibility and user drop-off
  • Optimize article layouts for retention

Frequently asked questions

How does session recording help in CRO?

Session recording helps in CRO by revealing how users interact with a page, uncovering drop-off points, confusion, and navigation issues that hinder conversion. This allows teams to refine user journeys based on real behavior.

What types of user actions are captured in a session recording?

Session recordings capture clicks, scrolls, mouse movements, form interactions, and page navigation, offering a complete playback of the user experience.

What’s the difference between session recording and A/B testing in CRO?

Session recording shows how users behave; A/B testing measures how they respond to different versions. Both inform optimization but serve different roles—recordings diagnose issues, testing validates solutions.

Can session recordings impact page speed or performance?

Most modern session recording tools run asynchronously and have minimal impact on performance, but excessive use or unoptimized scripts can affect load times.

Is the session recording GDPR or privacy-compliant?

Session recording can be GDPR-compliant when sensitive data is masked, users are informed, and consent is collected. Choose tools with built-in privacy features.

Explore other CRO glossary terms:

 

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