
PageSpeed Insights
Pingdom
Google Lighthouse
WebPagetest
UptimeRobot
Ahrefs
Website Speed Test by Pingdom
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.

GitLab
BitBucket
VS Code
Git
CodePen
Node.js
Stack Overflow
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.

Which is more popular?
Based on our record, GitHub seems to be a lot more popular than GTmetrix. While we know about 2495 links to GitHub, we've tracked only 143 mentions of GTmetrix.
Website, pricing, platforms and company facts side by side.
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| Website | gtmetrix.com | github.com |
| Pricing | ||
| Company | — | Startup from the United States · 500 - 999 employees · 2008 |
| Listed in |
What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
WordPress Speed Optimization - How I Got 100% GTmetrix Scores
More videos
How to do coding peer reviews with Github
More videos
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using GTmetrix and GitHub. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


GTmetrix 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...
GitHub is an essential platform for modern software development. It makes it easy to host, manage, and collaborate on code while providing powerful tools for version control, project management, and team...
GitHub Discussions is a communication forum for the community around an open source or internal project. Discussions enable fluid, open conversation in a public forum. Discussions are transparent and accessible, but...
However, like any (human) product, the platform has its limits, downsides, and critics. GitHub has been barred by certain governments, and even if that isn’t exactly the company’s fault, the users are the ones limited...
Recommendations tracked on public social media and blogs since March 2021.


👉 Use Google PageSpeed Insights 👉 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... - Source: dev.to / over 1 year ago
GTmetrix — Get detailed waterfall charts and load time breakdowns. - Source: dev.to / over 1 year ago
Git remote add origin https://github.com/YOUR-USERNAME/my-react-app.git. - Source: dev.to / 2 days ago
Am I the only one? Started a new work chat in ChatGPT to work on my public GitHub project, it reports:- Source: Hacker News / 2 days agofatal: unable to access 'https://github.com/':.
Then why hasn't there been a gTLD reserved for local use? The only ones that are reserved are .local and .home.arpa. .local is out, since it is entirely for use with mDNS / Bonjour. That leaves .home.arpa, which is very awkward.... - Source: Hacker News / 3 days ago
When comparing GTmetrix and GitHub, you can also consider the following products.


Create, review and deploy code together with GitLab open source git repo management software | GitLab
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With website monitoring from Pingdom you will be the first to know when your website is down. No installation required. 30-day free trial.
Compare Pingdom to GTmetrix or GitHub:

Bitbucket is a free code hosting site for Mercurial and Git. Manage your development with a hosted wiki, issue tracker and source code.
Compare BitBucket to GTmetrix or GitHub:

Lighthouse is an open-source, automated tool for improving the quality of web pages.
Compare Google Lighthouse to GTmetrix or GitHub:

Build and debug modern web and cloud applications, by Microsoft
Compare VS Code to GTmetrix or GitHub: