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.

IziSEO is described as 'Website crawler that quickly identifies on-page and on-site SEO problems which could prevent you from ranking high in search engines' and is a SEO tool in the business & commerce category. There are more than 10 alternatives to IziSEO for a variety of platforms, including Web-based, Windows, Mac, SaaS and Linux apps. The best IziSEO alternative is Screaming Frog SEO Spider. It's not free, so if you're looking for a free alternative, you could try Xenu's Link Sleuth or Pulno. Other great apps like IziSEO are Netpeak Spider, ZEFO, SEO Crawler and Greenflare.
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.

Xenus Link Sleuth checks Web sites for broken links. Link verification is done on "normal" links, images, frames, plug-ins, backgrounds, local image maps, style sheets, scripts and java applets.

Netpeak Spider is an SEO crawler for a day-to-day SEO audit, fast issue check, comprehensive analysis, and website scraping.




ZEFO is an advanced software program offering exclusive tools for online marketing. The system was developed in 2011 and has been used as a professional tool by SEOs and digital marketing specialists ever since.



Pulno is a website audit tool which checks for SEO related issues and sends comprehensible tips to improve on-page SEO with page speed optimizer (CSS and image file optimization), meta tags and unique text analyzer.




A web-based crawler with real-time crawl feedback.
Advanced, fast & flexible SEO website crawler that can help identify technical or architectural issues with any site.
Open-Source Python Based SEO Web Crawler Free SEO Analysis Tool Made by SEOs for Digital Marketing Experts
Analyse and improve your onsite SEO Audit and identify any server issues Extract any on-page information you need.





Vovsoft SEO Checker is an easy to use website crawler, able to scan both small and large websites efficiently, while allowing you to find broken links, analyze the results in real-time, gather on-page SEO data, distinguish internal and external links, classify dofollow and...



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.




A1 Sitemap Generator has been in active development and sold since 2005. Create all common kinds of sitemaps. Allows detailed crawler configuration. Can be scheduled and automated with its command line support to crawl, build, upload and ping sitemap.



