
Chrome DevTools
Firefox Developer Tools
GitHub
HTTP Debugger
Fiddler
VS Code
Charles Proxy
puppeteer
Google Lighthouse
GTmetrix
PageSpeed Insights
WebPagetest
SEMRush
Ahrefs
axe DevTools
Website Speed Test by Pingdom
Chrome DevToolsBased on our record, Google Lighthouse should be more popular than Chrome DevTools. It has been mentiond 102 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
You hit a bug. You open the logs. You switch to the code. You check the database. You open the browser dev tools (like Chrome DevTools). You go back to the logs. Every switch costs you mental context. Studies show it takes 15โ25 minutes to regain deep focus after a context switch. A single debugging session can involve dozens of them. - Source: dev.to / 5 months ago
Familiarize yourself with two built-in tools you will use repeatedly. First, Chrome's internal task manager, which you open with Shift+Esc on Windows and Linux or through the Window menu on macOS. Second, the DevTools Performance panel, accessible via F12 or Cmd+Option+I on Mac. Both of these are essential for diagnosing which specific tab, extension, or process is responsible for the slowdown you are experiencing. - Source: dev.to / 5 months ago
The copy() function is a DevTools-specific API documented in the Chrome DevTools reference. It writes directly to the system clipboard. For a broader look at what DevTools offers, check out the browser developer tools overview on zovo.one. - Source: dev.to / 5 months ago
YouTube uses infinite scrolling to load new elements on the page, similar to what we discussed in the corresponding article from the Apify team. Let's look at how this works using DevTools and the Network tab. - Source: dev.to / about 1 year ago
Let's look at what happens under the hood when we scroll a TikTok page. I recommend studying network activity in DevTools to understand what requests are going to the server. - Source: dev.to / over 1 year ago
Validate the manifest: Use Lighthouse or Chrome DevToolsโ PWA Audit. - Source: dev.to / 6 months ago
Check performance โ Use Lighthouse for mobile performance scores. - Source: dev.to / about 1 year ago
Pro tip: Use tools like Lighthouse and WebPageTest to identify bottlenecks. to identify bottlenecks. - Source: dev.to / about 1 year ago
Audit third-party dependencies regularly and remove anything non-critical. Use Lighthouse to find culprits. - Source: dev.to / about 1 year ago
Dev Tip: Use Lighthouse to audit speed and performance. - Source: dev.to / about 1 year ago
Firefox Developer Tools - Examine, edit, and debug HTML, CSS, and JavaScript on the desktop and on mobile.
GTmetrix - GTmetrix is a free tool that analyzes your page's speed performance. Using PageSpeed and YSlow, GTmetrix generates scores for your pages and offers actionable recommendations on how to fix them.
GitHub - Originally founded as a project to simplify sharing code, GitHub has grown into an application used by over a million people to store over two million code repositories, making GitHub the largest code host in the world.
PageSpeed Insights - PageSpeed is addon for ...
HTTP Debugger - Debug HTTP API calls to a back-end and between back-ends. Easy of use, clean UI, and short ramp-up time. Not a proxy, no network issues!
WebPagetest - Run a free website speed test from multiple locations around the globe using real browsers...