Tool for monitoring page speed and Core Web Vitals. Helps improve website performance, optimize user experience, and boost Google rankings. Tracks and analyzes data, manages real user monitoring, and detects regressions.
Features
Performance Monitoring
Provides continuous tracking of website performance to improve user experience and SEO rankings.
Historical Data
Stores performance data over time to analyze trends and make data-backed decisions.
Core Web Vitals Optimization
Helps optimize Google's Core Web Vitals to ensure a fast and smooth user experience.
Resource Load Analysis
Displays how resources are loaded over time to help identify any bottlenecks.
Real User Monitoring
Live user tracking to assess real user experiences and identify performance problems as they occur in the real world.
Automated Change Notification
Alerts users to changes that may affect website performance.
Integration Capabilities
Offers the capability to integrate with existing tools and workflows to seamlessly monitor website performance.
Performance Testing for Multiple Users
Test for up to fifty viewers simultaneously, assessing load time performance and making it easier to identify performance bottlenecks under load.
Detailed Error Reports
Offers detailed error reports that include issues detected, scripts with errors, and helps pinpoint the exact line of code causing issues.
Built-in Page Speed Insights
Provides integrated page speed metrics, giving insights into factors affecting page load times and helping improve site performance.
React and Angular Support
Supports testing for JavaScript-heavy single-page applications built with frameworks like React and Angular, enhancing compatibility with modern web applications.
Geolocation Testing
Enables testing from different global locations, helping assess real-user performance impact by simulating different geographical locations.
Real-time Monitoring
Continuously checks website performance in real-time, offering regular updates and tracking changes to ensure ongoing performance optimization.
Lab-based Testing
DebugBear provides synthetic monitoring features that allow you to test how your website performs with detailed reports on metrics like First Contentful Paint, Largest Contentful Paint, and Speed Index. You can analyze regression issues and get optimization recommendations.
Real User Monitoring
DebugBear provides real user monitoring (RUM) to analyze the web vitals data experienced by real users. This helps identify important page speed issues by tracking metrics such as Interaction to Next Paint and Cumulative Layout Shift.
LCP (Largest Contentful Paint)
Measures the time it takes for the largest content element in the viewport to become visible.
FID (First Input Delay)
Measures the time from when a user first interacts with a page, like clicking a link, to the time when the browser is able to respond to that interaction.
CLS (Cumulative Layout Shift)
Measures visual stability, quantifying how much the page layout shifts during the entire lifespan of the page.
INP (Interaction to Next Paint)
Replaces FID in 2024 and measures the time taken for the site's interactivity from when the user interacts with the page.
Modify HTML
Allows you to edit the existing HTML of a page directly in the tool to test performance impacts.
Modify URL
Lets you input a different URL to analyze how changes on a different server or path affect performance.
Inject JavaScript
Allows you to write and insert custom JavaScript into the page to test performance effects of script changes.
Remove Content
Enables you to remove elements, scripts, or styles from the page to evaluate how different removals impact performance.
Analyze Experiment Results
Provides analysis and visualization tools to examine how the changes influenced performance metrics such as speed and resource loading.
Core Web Vitals Monitoring
Measures key performance metrics such as Largest Contentful Paint, First Input Delay, and Cumulative Layout Shift to assess the user experience quality.
First Contentful Paint
Monitors the time it takes for the first text or image to appear on the screen, indicating an initial reaction to input.
Time to Interactive
Tracks the time from when the page starts loading until it's ready for user interaction, ensuring smooth operation.
Performance Score
Evaluates the overall speed and performance of a webpage using a combination of metrics.
Resource Loading Metrics
Provides insights into the loading times of resources, helping to identify potential bottlenecks.
JavaScript Execution Timing
Analyzes the time taken to execute JavaScript, highlighting inefficiencies that might delay page readiness.
Comparison and Trends
Allows for comparison over time to spot changes or regressions in web performance.
Track Real User Metrics
Monitor real user Core Web Vitals to understand page performance and user experience.
Improve Interaction to Next Paint (INP)
Provides insights on user interactions and time to next paint, helping to optimize responsiveness.
Improve Largest Contentful Paint (LCP)
Helps identify and improve LCP times by providing detailed resource timing data.
Analyze Slow CPU Tasks
Identifies periods of high CPU usage, showing where performance may be lagging due to scripts or other activities.
Correlate Page Speed with User Behavior
Compares speed metrics with user engagement to understand the impact of performance on user behavior.
Geographic Performance Insights
Shows how site performance varies globally, helping tailor optimizations by region.
Review Specific User Experiences
Allows you to see individual user sessions to analyze their specific interactions and experiences.
Track Site Speed in Browser
Monitors your website's frontend performance every few minutes to detect regressions and generate debugging profiles.
User-Centric Metrics
Tracks core metrics for Google Core Web Vitals to help with improving user page load experience.
Configure Test Locations and Devices
Allows monitoring of your website from different global locations and devices.
Detailed Request Waterfall
Provides a detailed timeline of when the page was loaded, including what external requests contributed to loading times.
Built-in Lighthouse Reports
Uses Google’s Lighthouse audits to identify performance issues and assess site performance through metrics like Speed Index.
Custom Recommendations
Delivers tailored performance optimizations that are specific to your site's performance issues.
Page Speed Experiments
Allows running of page speed experiments without deploying code and shows the impact of potential optimizations.
Zero Config Alerts
Provides alerts if there are noteworthy changes in your website speed performance.
Regression Analysis
Detects changes in speed by comparing snapshots and highlights the differences between pre and post regression states.
Core Web Vitals Monitoring
Continuously monitors and reports on Core Web Vitals metrics to help improve website performance related to Google ranking.
Google Search Console Integration
Checks Core Web Vitals errors in Google Search Console and suggests optimization steps to meet Google's 'Good' experience standards.
Lab and Field Data
Uses Google Lighthouse to run lab tests and Chrome UX Report for real user metrics, providing a comprehensive overview of website performance.
Request Waterfall
Visualizes network requests and CPU activities to understand and optimize loading behavior of the website.
Video Recording
Records and allows playback of how a website renders on a mobile device, helping diagnose rendering issues frame by frame.
Performance Recommendations
Offers recommendations for Core Web Vitals improvement and performance impact estimation based on current data.
Real Network Throttling
Simulate slower network conditions to emulate real user behavior with high accuracy.
Real-World Events and Alert Monitoring
Send alerts to notify about performance issues based on real user data.
Synthetic Testing
Run instant tests in development and integrate into Continuous Integration pipelines.
Google CrUX Data
Access real user data from Chrome's User Experience Report.
Post and Monitoring Alerts
Send notifications to Slack or Microsoft Teams.
API for Automation
Use API to scale testing and automatically set baselines for new pages.
Integration with CI/CD
Easily integrate with GitHub, Vercel, and Netlify for seamless workflow.
Core Web Vitals Monitoring
Tracks Core Web Vitals and provides insights to improve website SEO and user experience.
Before and After Videos
Creates comparison videos showing page speed changes before and after improvements.
Shareable Client Reports
Allows creation of shareable links for test results which can be shared with clients.
Advanced Reporting and Data Export
Generates in-depth reports and exports data as CSV for custom reporting needs.
In-depth site speed reports
Collects detailed site data to help optimize website speed.
Benchmark against competition
Allows you to compare your site speed with competitors and improve rankings on search engines by having a faster website.
Performance Monitoring
Provides tools to monitor page speed over time, allowing users to track improvements and adjustments to their site's performance.
Free Website Testing
Offers a free tool to test website performance metrics like speed and efficiency, and compare results with competitor sites.
CrUX Core Web Vitals data
Continuously track web vitals metrics from Google’s Chrome User Experience Report to check how your website is performing for real users.
Additional CrUX metrics
In addition to the three Core Web Vitals, DebugBear tracks additional metrics like Time to First Byte and First Contentful Paint.
CrUX Navigation type breakdown
Track how often pages can be cached or preloaded based on navigation types.
Scheduled synthetic tests
Conduct regularly scheduled lab tests to detect issues before they affect real users.
Page speed recommendations
Receive performance recommendations tailored to your website.
Real user monitoring
RUM data updates immediatly and provides URL-level reporting for high-traffic pages.
Optimize Interaction to Next Paint
Identify delays in UI responses caused by scripts.
Page Speed Monitoring
DebugBear provides a service that helps monitor website speed, ensuring pages load efficiently and meet web performance standards.
Core Web Vitals Monitoring
This feature monitors the website's performance using Google's Core Web Vitals metrics, which include loading performance, interactivity, and visual stability.
Lighthouse Scores
DebugBear provides Lighthouse scores, offering insights into how well a web page performs against international benchmarks.
HTML Site Analysis
The tool analyzes HTML documents to identify performance bottlenecks, such as Base64 encoded images that increase page size.
Integrated Slack Notifications
DebugBear integrates with Slack to send alerts related to technical SEO changes, making it easier to track performance impacts.
Staging Monitoring
This feature allows users to monitor changes on staging sites, assessing potential impacts before implementing them on the live site.
404 Monitoring
Detects 404 errors in various pages by ensuring resources like PNG files are properly sent.
Invalid HTML Detection
Alerts when invalid HTML changes are made, such as incorrect attributes added to elements.
Change Monitoring
Tracks changes that may impact performance, like adding large npm modules to bundles.
Simulated Throttling
Simulated throttling in Lighthouse allows users to approximate network conditions with a throttling model. It is used to make the testing environment more consistent by mimicking slow network conditions and processing power.
Network Throttling Methods
Network throttling is done in Lighthouse using the DevTools protocol in a real browser or through simulated throttling which provides an emulated environment to predict how a page would load on a slower network.
Lighthouse CLI Configuration
Users can disable simulated throttling by adding '--throttling-method=devtools' to the Lighthouse command, allowing for testing in a real browser environment.
Chrome DevTools Settings
Simulated throttling can be disabled through Chrome DevTools settings by accessing the Performance panel and adjusting the throttling settings for more accurate data.
Field Data Reports
Access performance data from real Chrome users to understand how a website performs in real-world scenarios.
BigQuery Access
Use Google BigQuery to run SQL queries on the report data for custom analysis and insights.
PageSpeed Insights Integration
View Chrome UX data directly in Google's PageSpeed Insights for comprehensive performance analysis.
Metric Views
Track key performance metrics such as Largest Contentful Paint, First Input Delay, and Cumulative Layout Shift.
Performance Graphs
Visualize changes in web performance over time with graphs displaying metric distributions.