The SEO Spider is a desktop website crawler and auditor for PC, Mac or Linux which spiders websites’ links, images, CSS, script and apps like a search engine to evaluate onsite SEO. The Screaming Frog SEO Spider is a website crawler, that allows you to crawl websites’ URLs and fetch key onsite elements to analyse onsite SEO. Download for free, or purchase a licence for additional advanced features. Compare Versions Download What can you do with the SEO Spider Tool? The SEO Spider is a powerful and flexible site crawler, able to crawl both small and very large websites efficiently, while allowing you to analyse the results in real-time. It gathers key onsite data to allow SEOs to make informed decisions. Find temporary and permanent redirects, identify redirect chains and loops, or upload a list of URLs to audit in a site migration. Analyse page titles and meta descriptions during a crawl and identify those that are too long, short, missing, or duplicated across your site. Discover exact duplicate URLs with an md5 algorithmic check, partially duplicated elements such as page titles, descriptions or headings and find low content pages. Collect any data from the HTML of a web page using CSS Path, XPath or regex. This might include social meta tags, additional headings, prices, SKUs or more! View URLs blocked by robots.txt, meta robots or X-Robots-Tag directives such as ‘noindex’ or ‘nofollow’, as well as canonicals and rel=“next” and rel=“prev”. Quickly create XML Sitemaps and Image XML Sitemaps, with advanced configuration over URLs to include, last modified, priority and change frequency. Connect to the Google Analytics API and fetch user data, such as sessions or bounce rate and conversions, goals, transactions and revenue for landing pages against the crawl. Licences last 1 year. After that you will be required to renew your licence. * The maximum number of URLs you can crawl is dependent on allocated memory and storage. Please see our FAQ. " Out of the myriad of tools we use at iPullRank I can definitively say that I only use the Screaming Frog SEO Spider every single day. It's incredibly feature-rich, rapidly improving and I regularly find a new use case. I can't endorse it strongly enough. " " The Screaming Frog SEO Spider is my "go to" tool for initial SEO audits and quick validations: powerful, flexible and low-cost. I couldn't recommend it more. " The Screaming Frog SEO Spider is an SEO auditing tool, built by real SEOs with thousands of users worldwide. A quick summary of some of the data collected in a crawl include - Errors – Client errors such as broken links & server errors (No responses, 4XX, 5XX). External Links – All external links and their status codes. Protocol – Whether the URLs are secure (HTTPS) or insecure (HTTP). Page Titles – Missing, duplicate, over 65 characters, short, pixel width truncation, same as h1, or multiple. Meta Keywords – Mainly for reference, as they are not used by Google, Bing or Yahoo. hreflang Attributes – Audit missing confirmation links, inconsistent & incorrect languages codes, non canonical hreflang and more. Rendering – Crawl JavaScript frameworks like AngularJS and React, by crawling the rendered HTML after JavaScript has executed. Outlinks – All pages a URI links out to. Anchor Text – All link text. Alt text from images with links. Images – All URIs with the image link & all images from a given page. Images over 100kb, missing alt text, alt text over 100 characters. User-Agent Switcher – Crawl as Googlebot, Bingbot, Yahoo! Slurp, mobile user-agents or your own custom UA. Custom HTTP Headers – Supply any header value in a request, from Accept-Language to cookie. Custom Source Code Search – Find anything you want in the source code of a website! Whether that’s Google Analytics code, specific text, or code etc. Custom Extraction – Scrape any data from the HTML of a URL using XPath, CSS Path selectors or regex. Google Analytics Integration – Connect to the Google Analytics API and pull in user and conversion data directly during a crawl. Google Search Console Integration – Connect to the Google Search Analytics API and collect impression, click and average position data against URLs. External Link Metrics – Pull external link metrics from Majestic, Ahrefs and Moz APIs into a crawl to perform content audits or profile links. XML Sitemap Generator – Create an XML sitemap and an image sitemap using the SEO spider. Custom robots.txt – Download, edit and test a site’s robots.txt using the new custom robots.txt. " I’ve tested nearly every SEO tool that has hit the market, but I can’t think of any I use more often than Screaming Frog. To me, it’s the Swiss Army Knife of SEO Tools. From uncovering serious technical SEO problems to crawling top landing pages after a migration to uncovering JavaScript rendering problems to troubleshooting international SEO issues, Screaming Frog has become an invaluable resource in my SEO arsenal. I highly recommend Screaming Frog for any person involved in SEO. " " Screaming Frog Web Crawler is one of the essential tools I turn to when performing a site audit. It saves time when I want to analyze the structure of a site, or put together a content inventory for a site, where I can capture how effective a site might be towards meeting the informational or situation needs of the audience of that site. I usually buy a new edition of Screaming Frog on my birthday every year, and it is one of the best birthday presents I could get myself. " The Screaming Frog SEO Spider allows you to quickly crawl, analyse and audit a sites’ onsite SEO. It can be used to crawl both small and very large websites, where manually checking every page would be extremely labour intensive (or impossible!) and where you can easily miss a redirect, meta refresh or duplicate page issue. You can view, analyse and filter the crawl data as it’s gathered and updated continuously in the program’s user interface. The SEO Spider allows you to export key onsite SEO elements (URL, page title, meta description, headings etc) to Excel so it can easily be used as a base for SEO recommendations. Our video above provides a demonstration of what the SEO tool can do. The ‘lite’ version of the tool is free to download and use. However, this version is restricted to crawling up to 500 URLs in a single crawl and it does not give you full access to the configuration, saving of crawls, JavaScript rendering, custom source search or extraction, Google Analytics, Search Console and link metrics integration. You can crawl 500 URLs from the same website, or as many websites as you like, as many times as you like, though! For just £149 per year you can purchase a licence, which removes the 500 URL crawl limit, allows you to save crawls, opens up the spider’s configuration options and custom source code search, extraction and Google Analytics, Search Console and link metrics integration features. Alternatively hit the ‘buy a licence’ button in the SEO Spider to buy a licence after downloading and trialing the software. As default the SEO Spider crawls sites like Googlebot (it obeys allow, disallow directives and wildcard support like Googlebot), but presents its own user-agent ‘Screaming Frog SEO Spider’, which it will obey specific directives for in robots.txt. If there are no directives, it will crawl your site like Googlebot. while still presenting its own UA. For more guidance and tips on our to use the Screaming Frog SEO crawler – Please see our recommended hardware, user guide and FAQ. Please also watch the demo video embedded above! Please read our introduction to crawling using the SEO Spider to get started. Check out some of our featured guides, including how to use the SEO Spider as a broken link checker, generating XML Sitemaps, crawling JavaScript, robots.txt testing and web scraping. Keep updated with future releases of the by subscribing to the our RSS feed or following us on Twitter @screamingfrog. If you have any technical problems, feedback or feature requests for the SEO Spider, then please just contact us via our support. We regularly update the SEO Spider and currently have lots of new features in development!