
Chrome DevTools
Firefox Developer Tools
GitHub
HTTP Debugger
Fiddler
VS Code
Charles Proxy
puppeteer
GTmetrix
PageSpeed Insights
Pingdom
WebPagetest
UptimeRobot
Google Lighthouse
Website Speed Test by Pingdom
Ahrefs
Chrome DevTools
GTmetrixGTmetrix is a free tool that offers a comprehensive analysis of your page's speed performance. Using PageSpeed and YSlow, GTmetrix generates scores for your pages and provides actionable recommendations on how to improve them. As a user of GTmetrix, I can say that it is a reliable tool for identifying and fixing issues that may be affecting the loading speed of your website.
Based on our record, GTmetrix should be more popular than Chrome DevTools. It has been mentiond 143 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
๐ Use Google PageSpeed Insights ๐ Try GTmetrix for detailed performance reports. - Source: dev.to / over 1 year ago
This basically defines how shifty your website is. If you've visited any website where the text and content just randomly moves as images and other content become visible, you'll know how disruptive and frustrating it can be. CLS aims to measure how often and how much this shifts occur. CLS mostly focuses on shifts that happens without user input(shifts after interactions like clicking a button are not... - Source: dev.to / over 1 year ago
GTmetrix โ Get detailed waterfall charts and load time breakdowns. - Source: dev.to / over 1 year ago
GTmetrix: Not only tests speed but also analyzes potential legal risks and provides optimization suggestions. - Source: dev.to / almost 2 years ago
In short, consider the following steps: 1. Analyze the current situation using a service like Google's PageSpeed Insights, GTmetrix, or sitespeed.io. RelativeCI allows you to track the application size from inside out from the bundle perspective helping you to understand the composition of your application while avoiding regressions. 2. Go through the proposed improvements 3. Prioritize the work... - Source: dev.to / almost 2 years ago
Firefox Developer Tools - Examine, edit, and debug HTML, CSS, and JavaScript on the desktop and on mobile.
PageSpeed Insights - PageSpeed is addon for ...
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.
Pingdom - With website monitoring from Pingdom you will be the first to know when your website is down. No installation required. 30-day free trial.
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...