W3C Markup Validation Service VS PageSpeed Insights

Validate Your Code Include tools like W3C code validation service and CSS validator to ensure your code meets web standards. - Source: dev.to / 25 days ago

===> Click here to run your code through the HTML validator. - Source: dev.to / 4 months ago

Try looking at tools like https://validator.w3.org/. Source: 5 months ago

I'm looking for either that specific validator (older version of https://validator.w3.org/) or an equivalent that can validate pre-HTML5 (DTD-based) files in a similar fashion. I would appreciate any pointers in the right direction. Thanks in advance. Source: 10 months ago

Not an addon, but maybe it helps Https://validator.w3.org/. Source: 11 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 / 5 months 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 / 6 months 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: 10 months 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 1 year ago

Ah, well whoever you got to do it, consider running their work through PageSpeed Insights just to see how it measures up. Source: about 1 year ago