WebPageTest Alternatives
WebPageTest is described as 'Run a free website speed test from around the globe using real browsers at consumer connection speeds with detailed optimization recommendations' and is an website in the development category. There are more than 25 alternatives to WebPageTest, not only websites but also apps for a variety of platforms, including SaaS, Google Chrome, Mozilla Firefox and Mac apps. The best WebPageTest alternative is Web Check, which is both free and Open Source. Other great sites and apps similar to WebPageTest are Google Lighthouse, PageSpeed Insights, GTmetrix and HTTP Observatory.
- Free • Open Source
Unified Web Performance that automatically tests your pages and tracks real user experiences. Automatically discovers your busiest pages and scans them weekly, providing actionable recommendations. Integrated Real User Monitoring to track the actual experience of visitors to...
License model
- Freemium • Proprietary
Application types
Country of Origin
United States
Platforms
- Online
- Software as a Service (SaaS)
- 12 Web Check alternatives
Get an insight into the inner-workings of a given website: uncover potential attack vectors, analyse server architecture, view security configurations, and learn what technologies a site is using.
License model
- Free • Open Source
Application type
Country of Origin
United Kingdom
Platforms
- Online
- Self-Hosted
- 30 Google Lighthouse alternatives
Lighthouse is an open-source, automated tool for improving the quality of web pages. You can run it against any web page, public or requiring authentication. It has audits for performance, accessibility, progressive web apps, SEO and more.
License model
- Free • Open Source
Application type
Country of Origin
United States
Platforms
- Online
- Google Chrome
- Mozilla Firefox
- Node.JS
Google Lighthouse Features
- 35 PageSpeed Insights alternatives
PageSpeed Insights (PSI) reports on the performance of a page on both mobile and desktop devices, and provides suggestions on how that page may be improved.
License model
- Free • Open Source
Application type
Country of Origin
United States
Platforms
- Online
- Google Chrome
- Firefox
PageSpeed Insights Features
- 52 GTmetrix alternatives
GTmetrix is a free tool that analyzes your page's speed performance. Using Page Speed and YSlow, GTmetrix generates scores for your pages and offers actionable recommendations on how to fix them.
License model
- Freemium • Proprietary
Application types
Country of Origin
Canada
Platforms
- Online
GTmetrix Features
- 23 HTTP Observatory alternatives
Developed by Mozilla, the HTTP Observatory performs an in-depth assessment of a site’s HTTP headers and other key security configurations.
License model
- Free • Open Source
Application types
Country of Origin
United States
Platforms
- Online
- Self-Hosted
HTTP Observatory Features
Unified Web Performance that automatically tests your pages and tracks real user experiences. Automatically discovers your busiest pages and scans them weekly, providing actionable recommendations. Integrated Real User Monitoring to track the actual experience of visitors to...
License model
- Freemium • Proprietary
Application types
Country of Origin
United States
Platforms
- Online
- Software as a Service (SaaS)
License model
- Free • Open Source
Country of Origin
France
EU
Platforms
- Online
Yellow Lab Tools Features
Use this free Website Speed Test to analyze the load speed of your websites, and learn how to make them faster.
License model
- Free • Proprietary
Application type
Country of Origin
United States
Platforms
- Online
Pingdom Website Speed Test Features
WebStatly.com is a web statistics and analysis service for Internet users to examine and exhibit the website related data from most websites.
WebStatly.com Features
- 37 web.dev alternatives
Get the web's modern capabilities on your own sites and apps with useful guidance and analysis from web.dev.
License model
- Free • Proprietary
Country of Origin
United States
Platforms
- Online
web.dev Features
Domsignal is an all-in-one platform dedicated to empowering developers, SEO experts, sysadmins, and security researchers in their quest for website excellence. We provide a comprehensive suite of tools to help you analyze and optimize your website's performance, security...
License model
- Free • Proprietary
Application types
Country of Origin
Singapore
Platforms
- Online
YSlow analyzes web pages and suggests ways to improve their performance based on a set of rules for high performance web pages. YSlow is a Firefox add-on integrated with the Firebug web development tool.
License model
- Free • Open Source
Country of Origin
United States
Platforms
- Online
- Firebug
- Google Chrome
- Safari
- Opera
- Firefox
DiscontinuedThe GitHub repository hasn't been updated since mid-2014.
Yahoo! YSlow Features