
JSFiddle
CodePen
CodeSandbox
replit
Pastebin.com
JS Bin
VS Code
GitHub
Google Lighthouse
GTmetrix
PageSpeed Insights
WebPagetest
SEMRush
Ahrefs
axe DevTools
Website Speed Test by Pingdom
JSFiddleBased on our record, JSFiddle should be more popular than Google Lighthouse. It has been mentiond 204 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.
Https://jsfiddle.net/ used to be also very popular, I see that it is still available, but haven't used it in a while. Which other alternatives do people use now days? - Source: Hacker News / 18 days ago
Coding is like learning a new languageโyou must practice by writing code, not just reading about it. Use free online editors like CodePen, JSFiddle, or Replit to experiment. - Source: dev.to / about 1 year ago
As you embark on these projects, take your time to familiarize yourself with HTML tags and CSS properties. Use online tools like CodePen or JSFiddle to experiment with your code and visualize your results. - Source: dev.to / over 1 year ago
> This specific example, https://jsfiddle.net, is not a monopoly and has many suitable replacements (e.g. https://livecodes.io/, https://liveweave.com). The other two don't even have sidebars... They are suitable replacements in the same way that crickets are a suitable replacement for beef โ It'll get the job done. But often the customer wants more, like the whole experience, and jsfiddle does have a... - Source: Hacker News / over 1 year ago
Open a code editor (or an online editor like CodePen or JSFiddle) and try this:. - 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
CodePen - A front end web development playground.
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.
CodeSandbox - Online playground for React
PageSpeed Insights - PageSpeed is addon for ...
replit - Code, create, andlearn together. Use our free, collaborative, in-browser IDE to code in 50+ languages โ without spending a second on setup.
WebPagetest - Run a free website speed test from multiple locations around the globe using real browsers...