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.
Cost / License
- Paid
- Proprietary
Application type
Platforms
- Mac
- Windows
- Linux
United Kingdom

Sites and apps similar to ZEFO include Screaming Frog SEO Spider. It's paid, but Xenu's Link Sleuth and Beam Us Up Crawler are free. Other options are SEO PowerSuite, KWT Spider, SEO Tracer and Netpeak Spider. SEO Tools like ZEFO are a crowded field, with more than 50 alternatives for Windows, Mac, Linux, Chrome OS and iPad.
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.

Features four integrated cross-platform desktop tools for keyword research and ranking, on-page site audits, backlink analysis, and link building. Offers automated SEO checks, multi-language support, custom reports, and competitor analysis for improved website optimization.




KWT Spider is a desktop-based website crawler and SEO analysis tool created to help users understand how their websites perform in search engines and modern AI-powered search platforms. It provides clear, reliable insights that make it easier to detect problems and improve site quality.




Boost your site's SEO with SEO Tracer! Crawl fast, find broken links, analyze meta tags, and optimize. Free, private and secure.




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




Seomator is a tool designed by SEO/SEM professionals for SEO/SEM professionals. But at the same time it is amazing for SEO newbies as well. You can easily keep an eye on your backlinks, SERP data, keywords, search volumes, AdWords ad and positions of your competitors.



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

Free desktop SEO crawler - open source alternative to Screaming Frog and similar tools. Crawl websites, analyze links, extract SEO data, and export results without subscription fees.

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.




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.




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.


