DebugBear

Find out how to take your website performance to the next level! This video offers a step-by-step guide to set a baseline, identify bottlenecks, and run experiments before making changes. Learn about… How I optimized my website for fast performance: 3 quick wins!

Looking for a real-world example of how to fix your slow website? In our new video we walk you through all the steps:

📊 Establish a baseline
🕵️‍♂️ Identify issues
🧪 Try out optimizations
🚀 Speed up your live site

www.youtube.com/watch?v=KxBW...

Efficient Data Fetching In Nuxt With useAsyncData | DebugBear Modern web apps thrive on dynamic content—but without smart data fetching strategies, performance and SEO can suffer. Enter Nuxt’s useAsyncData, a versatile composable that handles server- and…

Want to speed up your Nuxt app?

We've just published a new guide on how to optimize Nuxt data fetching with the useAsyncData composable.

www.debugbear.com/blog/nuxt-us...

⚡Scott Moore, a 25+ year performance engineering veteran, talk about what it takes to balance frontend and backend optimization!

Watch the full video to find out more about holistic web performance: youtu.be/p6gwO52BIsA?...

Many Servers Don't Properly Support HTTP Prioritization | DebugBear Loading the most important resources first is key to improving website performance. However, even when resources are correctly prioritized, servers don't always adhere to the request priorities…

Sometimes servers don't send HTTP response data in the right order.

Our new article explains why request priority matters for HTTP/2 and HTTP/3 connections, and how poor server-side support can impact page speed.

www.debugbear.com/blog/http-pr...

July 2025 Release Notes | DebugBear Now you can your export reports as PDFs, get more useful INP and CLS data for single-page applications, see your pages' Core Web Vitals Good% at a glance – and more.

Product updates for July:

📊 New real user performance overview
🚛 PDF export
🧍‍♂️ Better debug data for SPAs
📚 Guides to HTTP/3, JavaScript execution, and more

www.debugbear.com/changelog/ju...

Compare your website to your competition using data from Google's Chrome User Experience Report (CrUX). 0:00 - Intro 0:27 - CrUX trends tab 0:41 - Why looking at different devices is important 1:52 - Edit domains 2:20 - Ratings graph 2:49 - 75th percentile graph Sign up for a free trial: http://www.debugbear.com/signup Benchmark website performance with DebugBear’s CrUX Dashboard

🥇 Wondering how your website performance compares to others in your industry?

Learn how to use data from Google's Chrome User Experience report to create an industry benchmark.

www.youtube.com/watch?v=MQfu...

🌍 The evolution of web performance is fascinating!
🚀 Back in the early '90s, we shifted from mainframes to client-server systems, with databases and app servers at the core. Then came the web—browsers became the client!

Curious about this journey? Watch the full video: youtu.be/p6gwO52BIsA?...

How To Monitor Single Page Application Performance | DebugBear Single-page apps came with special performance challenges. Learn how you can gather actionable data on your website performance and fix common SPA performance issues.

🤔 How do you measure web performance for single page applications?

Our new article takes a look at different ways to collect SPA metrics and how you can use this data to optimize them!

www.debugbear.com/blog/single-...

Want to see the values PageSpeed Insights measured on your website in addition to the simulated ones from the Lighthouse report?

Our Chrome extension surfaces this data for you: chromewebstore.google.com/detail/site-...

We recently added support for exporting dashboards and page speed test results as a PDF!

In addition to that you can:
📊 Export metrics as CSV and JSON
🎥 Download video recordings as MP4
💻 Export test results through our API

www.debugbear.com/docs/data-ex...

🖥️ One big insight from Steve Souder’s book (High Performance Web Sites) sparked a revolution in web performance in the mid-2000’s!
🌐 80-90% of a website’s load happens on the frontend.

Want to dive deeper into this history lesson? Watch the full video here: youtu.be/p6gwO52BIsA?...

YouTube video by DebugBear DebugBear Advanced Settings: Configure Warm Load, Cookies, Basic Auth & More

Want to test cached page loads, staging websites, or hide a cookie banner?

Our new video explains how to use DebugBear advanced settings to achieve this and more.

www.youtube.com/watch?v=DjXo...

Optimizing Nuxt Server Side Rendering (SSR) Performance | DebugBear Learn how to optimize server-side rendering (SSR) performance in Nuxt 3 using advanced caching strategies, efficient data fetching, edge deployment with Nitro, and smart component loading. This…

Want to improve page load time for your Nuxt app? Learn how to optimize Nuxt server side rendering in our new article!

www.debugbear.com/blog/nuxt-ss...

New in our real user web vitals dashboards:

🌍 Get a high-level overview more easily
🐢 Identify slow pages

www.debugbear.com/real-user-mo...

Bridging the Performance Divide: Backend and Frontend Engineers Must Unite | DebugBear For a long time, server-side performance mattered was the biggest factor in end user experience. But today, what happens in the browser also plays a big role. What does this change mean for engineerin...

Over time, front-end performance in the browser has become more and more important.

But websites still can't be fast without a high-performing backend!

Our new article explains what that means for developers and organizations.

www.debugbear.com/blog/perform...

How To Use The Browser Console: An In-Depth Guide | DebugBear The Console tab in Chrome DevTools is extremely feature-packed! Learn how to get started and explore its more advanced features.

🖼️ Did you know you can log images in the Chrome DevTools console?

Check out our article below to find out how and discover more advanced console features.

www.debugbear.com/blog/chrome-...

📊 Small update to our real user monitoring tool: the histogram now shows a line indicating the average metric value!

Btw: you can select whether that average shows the mean, p50, p75, or p90. By default we show the 75th percentile, like Google's real user metrics.

🔻 When you notice a page speed regression, how do you know what caused the change?

Our new video explains how to compare different test results to spot why your metrics have changed.

Plus, learn how to show off a before and after video after fixing an issue!

www.youtube.com/watch?v=iCkx...

✨ We've done some work to clean up the test history view.

Plus, if the page experiments tab now also shows any previous experiments you've run.

HTTP/3 vs HTTP/2 Performance: Is the Upgrade Worth It? | DebugBear Performance differences between HTTP3 vs HTTP2 depend on many factors, such as the geographical distance between client and server, network quality, the number of resources, or whether it's a…

When does HTTP/3 deliver better performance than HTTP/2?

Our new article explains the differences between the two protocols.

www.debugbear.com/blog/http3-v...

June 2025 Release Notes | DebugBear Now you can your website's slowest URLs, spot changes in pageviews, create multi-metric graphs, and check caching headers in waterfall charts.

Our product updates for June:

🐌 Track down the slowest URLs on your website
👀 Spot changes in page view count
📈 Create multi-metric graphs of your key stats
🔎Check your page caching using HTTP headers

Plus new blog posts and videos! Read all about it here: www.debugbear.com/changelog/ju...

Could your website be faster if it better supported the back/forward cache?

Our new web vitals insights checks Google CrUX data to see how often cache restoration fails on your site.

Try it out, it's in the Web Vitals tab of our free test result: www.debugbear.com/test/website...

performance.now(); 30th and 31st of October, Amsterdam On 30th and 31st of October, 2025, the sixth edition of performance.now() will take place in Amsterdam—a single track conference, covering today’s most important web performance insights.

performance.now(), the web performance conference, 30th and 31st of October, Amsterdam. Single track, the best speakers in the industry, plenty of your performance-mad peers around to have fascinating conversations. What's not to like? Let's introduce our speakers ...
perfnow.nl

How To Use The Browser Console: An In-Depth Guide | DebugBear The Console tab in Chrome DevTools is extremely feature-packed! Learn how to get started and explore its more advanced features.

I thought the browser console was simple... I was wrong 🤯

It's actually packed with hidden features:

🖼️ Logging images
✨ AI explanations
🥹 Logging tables
🔧 Console utilities ($0, $_, ...)
🔎 Advanced filters
🔥 Live expressions

New article below!

www.debugbear.com/blog/chrome-...

We've been doing some design work on our real user monitoring product!

www.debugbear.com/real-user-mo...

In this video, we take a look at how to analyze page speed test results with DebugBear lab testing. Sign up for a free 14 day trial: https://www.debugbear.co... Introduction To Page Speed Test Results On DebugBear

⏱️ How do you read a page speed test result?

This video explains how to understand the metrics, UX insights, and technical reporting from our web performance tests.

www.youtube.com/watch?v=Mtyf...

How To Use The Browser Console: An In-Depth Guide | DebugBear The Console tab in Chrome DevTools is extremely feature-packed! Learn how to get started and explore its more advanced features.

The browser console is great for checking log output and running JavaScript. But there are actually a lot more feature than it first appears!

⬇️ Our new article takes an in-depth look at the console tab in Chrome DevTools. ⬇️

www.debugbear.com/blog/chrome-...

Learn what the Speed Index metric measures and how you can improve Speed Index for you website.00:00 Introduction00:12 What is Speed Index?00:45 How is Speed... How to fix Speed Index on PageSpeed Insights

Speed Index is one of the metrics that impact the Lighthouse performance score.

But do you know how it's actually calculated? It's very different from other metrics!

🎥 Our new video explains how Speed Index works ⬇️

www.youtube.com/watch?v=HnMj...

In this video we explain how to scan your website with DebugBear. Sign up for a free trial: http://www.debugbear.com/signup0:00 - Why monitoring is important... How to set up Synthetic Monitoring in DebugBear

🎥 New video: learn how to set up synthetic page speed monitoring for your website on DebugBear!

www.youtube.com/watch?v=l7eB...

Website INP Scores In 2025: UX Impact Across The World | DebugBear How quickly does the typical website respond to user interactions? And how does this vary across the world?

👉 How quickly do websites respond to user input, and how does this vary globally?

Our new report takes a look at Interaction to Next Paint scores across the world! 🌎

www.debugbear.com/blog/global-...