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.


Screaming Frog SEO Spider is described as 'The Screaming Frog SEO Spider is a small desktop program (PC or Mac) which crawls websites’ links, images, CSS, script and apps from an SEO perspective' and is a SEO tool in the business & commerce category. There are more than 100 alternatives to Screaming Frog SEO Spider for a variety of platforms, including Web-based, SaaS, Windows, Mac and Linux apps. The best Screaming Frog SEO Spider alternative is Netpeak Spider. It's not free, so if you're looking for a free alternative, you could try SiteOne Crawler or Google Lighthouse. Other great apps like Screaming Frog SEO Spider are Semrush, ahrefs, SEO PowerSuite and PageSpeed Insights.
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.


Automated SEO platform providing comprehensive site auditing, on-page and technical optimization checks, keyword rank and SERP tracking, backlink profile analysis, competitor benchmarking, duplicate content detection, and actionable recommendations for all site sizes.






If you need more features than only a website link checker - such as XML sitemap (conforming to the standard protocol), html validity, essential SEO checks such as page title, headings, meta description and keywords - then try Scrutiny.



The Audisto Crawler is a website crawling tool with a strong focus on SEO. It automatically detects and analyses all URLs from a website and points out optimization potential.

It is a high quality crawling tool for experts.


Discover broken links, uncover missing page titles, duplicate content and identify other problems with our SEO crawler software.

Free and functional screaming frogs "500" URI limit is much less than it seems as even a small site can reach it.

I have been using Frog for a long time, then I tried Spotibo and must say that it’s much easier to use for me. I’ve found there few more features when doing a deeper analysis of a specific SEO issue.
Spotibo immediately returns results.
Easier interface and workflow.


Sitechecker is a website SEO audit tool with detailed SEO reports. Sitechecker enables users to conduct a comprehensive website audit and record technical mistakes for the whole domain and specific URLs.




Transform your website with an SEO audit tool providing insights like search engine bots. It finds broken links, duplicate content, and more, with step-by-step fix guidance.




Get free SEO report with 100+ parameters using the best website checker. Detailed site auditing will help you find errors in meta tags, images, links. Step-by-step guides for correcting any error and growing your SEO score.

Rankfender is an AI Visibility Intelligence Platform that monitors, analyzes, and improves how brands appear inside AI-generated answers across major large language models.




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).




I like simple and very detailed comparison provided by Screpy


Because it's a online software, Seobility is much faster and does not need an installation.