PageSpeed Insights
GTmetrix
Google Lighthouse
WebPagetest
DareBoost
Website Speed Test by Pingdom
Yellow Lab Tools
WebsiteSpeedAnalysis.com
W3C Markup Validation Service
Rocket Validator
Total Validator
Nibbler
HTML Validator
GTmetrix
mailmouse
CodePen
PageSpeed Insights might be a bit more popular than W3C Markup Validation Service. We know about 112 links to it since March 2021 and only 98 links to W3C Markup Validation Service. 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.
Google PageSpeed Insights: Tests your site and provides optimization suggestions. - Source: dev.to / 7 months ago
Monitoring and Profiling: Use tools like Google's PageSpeed Insights or Web.dev Measure to analyze your page's performance and get actionable recommendations. - Source: dev.to / over 1 year ago
Google PageSpeed Insights - Analyze the performance of your web pages and get suggestions for improvement. Website: https://developers.google.com/speed/pagespeed/insights/. - Source: dev.to / over 1 year ago
Try Google's Lighthouse test instead (aka PageSpeed Insights). It's primarily for testing performance but also gives a score for accessibility, with tips and links to articles on how to solve any issues it detects. Source: almost 2 years ago
Const CompressionPlugin = require('compression-webpack-plugin');... plugins: [ new CompressionPlugin({ filename: "[path].gz[query]", algorithm: "gzip", test: /\.(js|css)$/i, }),... When I used page insights to check how fast my webpage loads, it looks like my gz files aren't recognized, or at least one of them isn't recognized. Source: about 2 years ago
How to use HTML Validation service 👇 Step 1: Access the HTML validator ● Open the HTML validator in your web browser i.e go to https://validator.w3.org/. - Source: dev.to / 4 months ago
Looking at the html of HN's pages, can't blame them really. Running though https://validator.w3.org/ , the result is abysmal. At this rate, if web browsers started requiring sites to output HTML that is somewhere in the realm of normalcy, HN would sooner shut down than consider ever updating. - Source: Hacker News / 11 months ago
Whether you’re a frontend developer, lead, or manager, reconsider your expectations and practices if you haven’t yet chosen not to ship erroneous HTML. The more of us decide to talk about using actual HTML on our sites and in our apps, and lead by example, the better for our users and clients, and the better for our craft and profession. On the engineering side of web development, it’s HTML first—if it is HTML. - Source: dev.to / 11 months ago
Validate Your Code Include tools like W3C code validation service and CSS validator to ensure your code meets web standards. - Source: dev.to / about 1 year ago
===> Click here to run your code through the HTML validator. - Source: dev.to / over 1 year ago
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.
Rocket Validator - Site-wide Accessibility and HTML validation made easy. With a single click, Rocket Validator will check thousands of web pages on your site for Accessibility and HTML conformance, producing a detailed, actionable report on seconds.
Google Lighthouse - Lighthouse is an open-source, automated tool for improving the quality of web pages.
Total Validator - Total Validator can check your website to help ensure that it is accessible, uses valid HTML and CSS, has no broken links, and is free from spelling mistakes.
WebPagetest - Run a free website speed test from multiple locations around the globe using real browsers...
Nibbler - Free tool for testing how good your website is, and what you can do to improve it. Check accessibility, SEO, social media, compliance and more.