AlternativeTo Logo

    Yahoo! YSlow Alternatives

    Yahoo! YSlow is described as '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' and is an app in the web browsers category. There are more than 10 alternatives to Yahoo! YSlow for a variety of platforms, including Online / Web-based, SaaS, Google Chrome, Firefox and Wordpress. The best alternative is Google Lighthouse, which is both free and Open Source. Other great apps like Yahoo! YSlow are PageSpeed Insights, GTmetrix, WebPageTest and Yellow Lab Tools.

    Yahoo! YSlow is mainly a Website Monitor but alternatives to it may also be SEO Tools or Website Audit Tools. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of Yahoo! YSlow.
    This page was last updated Dec 9, 2021
    • FreeOpen Source
    • Online
    • Firebug
    • Google Chrome
    • Safari
    • Opera
    • Firefox
    More
    YSlow analyzes web pages and suggests ways to improve their performance based on a set of rules for high performance web...
    Learn more about Yahoo! YSlow

    1. 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.
    2. 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.


    3. 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.
      • FreeOpen Source
      • Online
      More
      More
      Instantly test your site’s performance in real browsers, devices, and locations around the world.
      • FreeOpen Source
      • Online
      More
      More
      Online test to help speeding up heavy web pages.


    4. DareBoost is an online tool to test, analyze and monitor your website: speed, SEO, quality, security. All you need for website optimization in a single service.
      • FreeProprietary
      • Online
      More
      CuteStat.com is a web service for Website Owners, Webmasters and General Internet Users to retrieve information related with Domain Name, IP Address, Web Server and Search Engine Optimization (SEO).
    5. Use this free Website Speed Test to analyze the load speed of your websites, and learn how to make them faster.
    6. Boost your SEO, speed and security: Checkbot for Chrome crawls your site to test you’re following over 50+ best practices. Test 1,000s of pages in minutes for broken links, duplicate content, invalid HTML, insecure forms, redirect chains and more.
    7. Screpy is an AI-based web analysis tool that can analyze all pages of your websites in one dashboard and monitor them with your team. It's powered by Lighthouse and it also includes some different analysis tools (SEO, SERP, W3C, Uptime, etc).
    Showing 10 of 23 alternatives