Is Lighthouse a misleading performance tool?

• lighthouse

  152 27,846 9.6 JavaScript

  Automated auditing, performance metrics, and best practices for the web.

  

There has been discussion about adding a visual indicator to make the mode more obvious, but it has not made it into Chrome devtools!

• speedlify

  1 903 6.4 JavaScript

  Benchmark the web performance and accessibility of sites over time.

Another part of this is that when numbers are involved, it can led to a competitive element. Frameworks and libraries lean into this to promote the speed and performance of their offering. Eleventy has a leaderboard that uses a Lighthouse-based plugin called speedlify to rank websites.

• SurveyJS

  surveyjs.io sponsored

  Open-Source JSON Form Builder to Create Dynamic Forms Right in Your App. With SurveyJS form UI libraries, you can build and style forms in a fully-integrated drag & drop form builder, render them in your JS app, and store form submission data in any backend, inc. PHP, ASP.NET Core, and Node.js.

  

• web-vitals

  140 7,113 7.7 JavaScript

  Essential metrics for a healthy site.

  

Let's go back to 2020, this was when Google made a big change regarding their performance rating -- they introduced the Core Web Vitals. I want to discuss this timeframe because it was the last point where there is clear comparable data between the performance metric set (5 metrics) and the Core Web Vitals (3 metrics). The Core Web Vitals is a subset of the performance metric set.

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