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debugbear.com
DebugBear
@debugbear.com
310 followers 26 following 310 posts
Learn about page speed, measure your website performance, and monitor Core Web Vitals metrics over time.

https://www.debugbear.com/
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debugbear.com
Google's CrUX report now includes insights on how ads impact website performance!

www.debugbear.com/blog/chrome-...
September 16, 2026 at 1:52 PM
debugbear.com
How can marketing and development teams work together on Core Web Vitals issues effectively? Find out in our new article.

www.debugbear.com/blog/marketi...
How Marketing And Development Teams Can Collaborate On Page Speed | DebugBear
Marketing owns the site experience but developers make the changes. Learn how both teams can use shared performance data, experiments, and alerts to work together on page speed.
www.debugbear.com
September 3, 2026 at 3:45 PM
Reposted by DebugBear
pixelpioneers.co
We regularly cover #webperformance, and at the PP 2026 edition, @debugbear.com's Matt Zeunert gave a brief intro to page speed, then dived into different network throttling methods in Lighthouse, DevTools, and other tools.

👉 Watch the video of the talk on YouTube: www.youtube.com/watch?v=KO02...
Where Do Your Web Performance Metrics Come From? - Matt Zeunert - Pixel Pioneers 2026
YouTube video by Pixel Pioneers
www.youtube.com
September 1, 2026 at 3:36 PM
debugbear.com
You can now enable SPA mode in your RUM settings to get more detailed insights on each soft navigation. www.debugbear.com/docs/rum/spa...
Single Page App (SPA) Monitoring | DebugBear
Learn how DebugBear tracks client-side navigations in single page applications and how to report each soft navigation as its own page view.
www.debugbear.com
August 28, 2026 at 1:15 PM
debugbear.com
Our product now supports uptime monitoring, tracking server timing metrics, and detecting conversions with URL triggers.

www.debugbear.com/changelog/au...
August 2026: Uptime monitoring and Server Timing support | DebugBear
Introducing Uptime Monitoring to track site availability, Server Timing support for lab tests and RUM, URL-based conversion triggers, and more customization options.
www.debugbear.com
August 27, 2026 at 1:52 PM
debugbear.com
Want to surface backend performance metrics to real monitoring tools?

The HTTP Server-Timing header makes this possible.

www.debugbear.com/blog/server-...
Server Timing: Measure And Track Backend Performance | DebugBear
Learn what the Server-Timing header is and how to track server-side performance metrics.
www.debugbear.com
August 21, 2026 at 3:00 PM
debugbear.com
We've made it easier to set up conversion tracking! Instead of changing code on your website you can now set up URL-based conversion triggers.

www.debugbear.com/docs/rum/con...
August 14, 2026 at 2:55 PM
debugbear.com
Check out our latest Youtube video to learn how to identify page speed bottlenecks on your website!

youtu.be/yW1mVJuZ-N8
Find web performance bottlenecks
The DebugBear website bottleneck finder is a new free tool to help uncover issues with First Contentful Paint, Largest Contentful Paint and the H1 element. Try the tool:…
youtu.be
August 12, 2026 at 2:55 PM
debugbear.com
Our MCP server and API now let you generate timeline charts for RUM data!
August 11, 2026 at 2:55 PM
debugbear.com
You can now add uptime monitors on DebugBear! This feature is still in beta and we welcome your feedback!

www.debugbear.com/uptime-monit...
Website Uptime Monitoring
Continuously monitor your website's uptime and response speed. Get alerted the moment your site goes down.
www.debugbear.com
August 5, 2026 at 2:55 PM
debugbear.com
Edge is experimenting with a new performance API: network efficiency guardrails let browsers report performance issues back to the server.

www.debugbear.com/blog/network...
Network Efficiency Guardrails: Detect Web Performance Issues | DebugBear
Learn how to detect hidden network performance problems before they impact your users. This guide explains Microsoft's new Network Efficiency Guardrails, how they use Document Policy and the…
www.debugbear.com
August 3, 2026 at 2:55 PM
debugbear.com
This month we launched a new free website testing tool, added new data export options, and improved our comparison UI.

www.debugbear.com/changelog/ju...
July 2026: New bottleneck finder tool and better data export | DebugBear
Introducing our new bottleneck finder tool, individual chart exports for custom dashboards, improved comparison data, bulk region editing, and HAR waterfall exports.
www.debugbear.com
July 31, 2026 at 3:30 PM
debugbear.com
Want to access your page speed data with Claude Code? We've just published a guide on how to connect Claude Code to our MCP server. www.debugbear.com/docs/claude-...
Test page speed with Claude Code | DebugBear
How to setup the DebugBear MCP server with Claude Code.
www.debugbear.com
July 31, 2026 at 9:45 AM
debugbear.com
Our bottleneck finder can detect render-blocking requests that Chrome doesn't report. We explain how it works in our latest blog post.

www.debugbear.com/blog/website...
Find Hidden Render-Blocking Requests with the Website Bottleneck Finder | DebugBear
Chrome's render-blocking label doesn't always fully illustrate which resources are impacting a page's First Contentful Paint (FCP), Largest Contentful Paint (LCP) or H1-visible metrics. We recently…
www.debugbear.com
July 30, 2026 at 2:15 PM
debugbear.com
🤖 New video: use our MCP server to set up your page speed tests and analyze your data!

www.youtube.com/watch?v=V8sw...
How to setup and use the DebugBear MCP Server
In this video, we will take a look at how to setup the DebugBear MCP Server with Claude. DebugBear MCP server guide: https://www.debugbear.com/docs/mcp 0:00 - Intro 0:38 - Setup with Claude 1:30 -…
www.youtube.com
July 29, 2026 at 1:45 PM
debugbear.com
Not sure why your website is rendering slowly? Our new website bottleneck finder identifies what resources key page content depends on.

Test your website for free!

www.debugbear.com/website-bott...
Website Bottleneck Finder
Find which network resources slow down page rendering. Check if your page depends on specific scripts or data.
www.debugbear.com
July 20, 2026 at 2:55 PM
debugbear.com
New you can now update test regions for your monitored pages in bulk.

www.debugbear.com/docs/bulk-edit
July 15, 2026 at 2:55 PM
debugbear.com
How can you use Lighthouse to check if your website follows best practices?

Our new article explains how to test your website and goes through the checks that Lighthouse performs.

www.debugbear.com/blog/lightho...
Implement Website Best Practices With Lighthouse | DebugBear
A guide to every audit in Lighthouse's Best Practices category and how to fix failures in order to reach a score of 100.
www.debugbear.com
July 15, 2026 at 1:36 PM
debugbear.com
You can now easily duplicate your custom web performance dashboards. Just hover over the dashboard in the list and click the copy icon.
July 8, 2026 at 2:55 PM
debugbear.com
You can now add histograms and scatter plots to your custom dashboards!

www.debugbear.com/docs/dashboa...
Build Custom Web Performance Dashboards | DebugBear
Create custom dashboards that combine Lab, CrUX, and RUM data in one place for detailed comparisons and reporting.
www.debugbear.com
June 24, 2026 at 2:55 PM
debugbear.com
Train wifi suspiciously close to the Lighthouse mobile device configuration 😅
June 18, 2026 at 5:32 PM
debugbear.com
Our MCP server now works with the Cursor desktop app! Learn how to connect your web performance data in cursor here:

www.debugbear.com/docs/cursor-...
How to view web performance data in Cursor | DebugBear
Connect Cursor to DebugBear with the Model Context Protocol so you can run page speed tests, query metrics, and manage projects from Cursor's agent.
www.debugbear.com
June 17, 2026 at 2:55 PM
debugbear.com
We just published a new blog post benchmarking page speed for train booking websites in Europe! We also looked at the technical factors that drive the results, and how these websites could be optimized.

www.debugbear.com/blog/which-e...
What's The Fastest Train Booking Website In Europe? | DebugBear
An analysis of 25 European train websites to discover which website performs best across the Core Web Vitals.
www.debugbear.com
June 15, 2026 at 2:55 PM
debugbear.com
New video: learn how to scan your website for issues with Core Web Vitals and other quality issues.

www.youtube.com/watch?v=Hy23...
How to scan your website for performance and quality issues
Learn how to check your entire website for problems across page speed, accessibility, SEO, and agentic browsing. 00:00 Introduction 00:13 How run run a website scan 00:30 Retrieving CrUX…
www.youtube.com
June 8, 2026 at 2:55 PM
debugbear.com
We've added an MCP server! You can now access your performance data with your AI agent, trigger tests, and add projects or timeline annotations.

www.debugbear.com/docs/mcp
Access Web Performance Data With The DebugBear MCP Server | DebugBear
Connect AI assistants like Claude and ChatGPT to DebugBear using the Model Context Protocol (MCP) to run tests, query metrics, and manage projects.
www.debugbear.com
June 5, 2026 at 2:55 PM