CrawlBeast
CrawlBeast is a desktop SEO site audit crawler built to help users uncover technical SEO issues, prioritize fixes, and improve visibility across Google and AI search engines. The platform crawls websites and sitemaps locally to detect issues such as broken links, 404 pages, redirect problems, missing metadata, incomplete social tags, missing image alt text, and rendering blockers. CrawlBeast is designed to turn raw crawl data into structured audit insights so SEO professionals can focus on what to fix first. Users can organize audits by project, manage multiple client domains, export reports, and track SEO health across campaigns. The desktop architecture uses local database storage for speed, control, and offline-friendly workflows. Built for freelancers, agencies, consultants, and business owners, CrawlBeast helps make technical SEO audits faster, clearer, and more actionable.
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Semantic Juice
Use capabilities of our web crawler for topical and general web page discovery, open or site specific crawl with powerful domain, URL, and anchor text level rules. Get relevant content from the web, discover new big sites in your niche. Use API for integration with your project. Our crawler is tuned to find topical pages from small set of examples, avoid various spider traps and spam sites, crawl more often more relevant and more topically popular domains, etc. You can define topics, domains, url paths, regular expression, crawling intervals, general, seed, and news crawling modes. Built-in features make our crawlers more efficient as they ignore near duplicate content, spam pages, link farms, and have a real time domain relevancy algoritm which gets you the most relevant content for your topic.
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Screaming Frog SEO Spider
The Screaming Frog SEO Spider is a website crawler that helps you improve onsite SEO, by extracting data & auditing for common SEO issues. Download & crawl 500 URLs for free, or buy a license to remove the limit & access advanced features. The SEO Spider is a powerful and flexible site crawler, able to crawl both small and very large websites efficiently while allowing you to analyze the results in real-time. It gathers key onsite data to allow SEOs to make informed decisions. Crawl a website instantly and find broken links (404s) and server errors. Bulk export the errors and source URLs to fix, or send to a developer. Find temporary and permanent redirects, identify redirect chains and loops, or upload a list of URLs to audit in a site migration. Analyze page titles and meta descriptions during a crawl and identify those that are too long, short, missing, or duplicated across your site.
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OpenSEO
OpenSEO is a modern, open source SEO platform built for people and AI agents to work together on strategy, research, and content using real search data instead of generic advice. It brings keyword research, saved keywords, rank tracking, domain analysis, backlink research, technical site audits, AI visibility, and prompt exploration into one connected workspace. Users can expand seed topics into keyword ideas with search volume, difficulty, CPC, and intent signals, inspect live Google results beside those metrics, save promising opportunities, tag them for content planning, and monitor positions over time. Domain tools reveal estimated traffic, ranking keywords, top pages, backlinks, referring domains, and link quality, while site audits crawl pages for status codes, titles, meta descriptions, headings, indexability, image alt coverage, links, response times, and optional Lighthouse findings.
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