Screaming Frog SEO Spider

Screaming Frog SEO Spider is a website crawler for technical SEO audits and user-experience checks. It audits sites for more than 300 SEO issues, including broken links, server errors, redirect problems, and missing, duplicated, or overly long page titles and meta descriptions. Its integrated Chromium WRS can render JavaScript pages and crawl sites built with Angular, React, and Vue.js. The crawler extracts data with CSS Path, XPath, regular expressions, or custom JavaScript. It connects to Google Analytics, Search Console, and PageSpeed Insights APIs, and lists link-metrics integrations for Majestic, Ahrefs, and Moz. Crawls can be scheduled, exported to destinations such as Google Sheets, and compared across runs or between staging and production. The free version runs without signup or email capture but is limited to 500 URLs per crawl and restricts saving crawls, configuration, and advanced features. A paid licence costs $279 per year; crawl size is unlimited subject to allocated memory and storage. The software supports Linux, macOS, and Windows.

SEO Spider offers crawling, extraction, integrations, and automation for technical audits. The free version has a 500-URL crawl cap, while the $279-per-year paid licence removes the fixed crawl limit subject to memory and storage.

The maker describes SEO Spider as designed for experienced SEOs and used by professional SEOs, agencies, and brands for technical SEO audits. It suits users who need to crawl websites and inspect technical issues.

Screaming Frog SEO Spider is a desktop crawler for detailed technical SEO work, aimed primarily at experienced SEOs, agencies, and brands. It is the right fit when crawl diagnostics and extractable data matter more than a beginner-friendly dashboard; small sites can start free, while larger audits require an annual licence.

Overview

The application audits more than 300 SEO issues and combines crawl diagnostics with accessibility checking. Its scope covers technical faults that can directly affect discoverability and usability, including broken links, server errors, redirects, and problematic page metadata. Automated checks use the open-source axe rule set against Web Content Accessibility Guidelines, giving teams an additional quality-control pass beyond search-specific findings.

Screaming Frog, founded in 2010 and headquartered in Henley-on-Thames, Oxfordshire, UK, positions the Spider for professional SEO workflows. For broader category comparisons, see SEO Crawler Software, SEO Audit Software, SEO Analytics Software, Technical SEO Software, and SEO tools.

Key features

Core crawling identifies broken links and server responses, evaluates redirect paths, and flags missing, duplicated, or overlong titles and meta descriptions. That makes it useful for systematic remediation lists rather than a narrow rank-monitoring view.

Its integrated Chromium web-rendering service can render JavaScript during a crawl. Support for Angular, React, and Vue.js means teams auditing dynamic sites are less likely to miss content that a basic HTML fetch would not expose.

Extraction is highly configurable: CSS Path, XPath, regular expressions, and custom JavaScript can all be used to collect page data. This suits analysts who need bespoke fields, although the flexibility is better matched to experienced practitioners than to occasional users.

Integrations connect the crawler with Google Analytics, Search Console, and PageSpeed Insights APIs, while link metrics can be brought in through Majestic, Ahrefs, and Moz APIs. Scheduled crawls, command-line automation, Google Sheets exports, crawl comparisons, and staging-versus-production checks support recurring agency and release processes.

Paid-user technical support is intended to receive a response within 24 hours during usual business hours. Software use may involve a username, licence key, IP address, anonymised machine ID, and timestamp; associated data is stored in secure data centres in the UK and US with access restricted to authorised personnel.

Pricing

The free tier is practical for small sites, spot checks, or learning the workflow, but the 500-URL ceiling and inability to retain crawls make it a poor fit for ongoing large-site programs. The $279 annual licence is the clear choice for agencies and brands needing unrestricted crawl size, saved work, and advanced capabilities; budget for yearly renewal and consider bulk pricing when multiple seats are required.

Platforms

Screaming Frog SEO Spider supports Windows, macOS, Linux, and API access. That breadth suits mixed desktop environments and automated pipelines, while the product remains oriented toward technical users rather than a purely browser-based audience.

Who it's for

Choose it for technical SEO audits, JavaScript-heavy properties, custom extraction, and repeatable agency or release checks. It is less suitable when you need a generous free crawl allowance, a simple hosted interface, or support without a paid licence.

Pros and cons

• Pros: More than 300 audit checks put links, servers, redirects, metadata, and accessibility in one crawl.
• Pros: Chromium rendering handles Angular, React, and Vue.js sites that depend on JavaScript.
• Pros: CSS, XPath, regex, and JavaScript extraction support detailed custom investigations.
• Pros: API connections, scheduling, command-line operation, exports, and crawl comparisons support automation.
• Cons: The free plan stops at 500 URLs and restricts saved crawls, configuration, and advanced features.
• Cons: Full capability requires a $279-per-year-per-licence renewal commitment, with usage still bounded by memory and storage.
• Cons: Technical support is reserved for paid users.

Alternatives

Ahrefs is a better choice when you want site data with limited free Site Explorer and Site Audit access, then a $29-per-month Starter plan.

Semrush suits users who prefer a broader hosted platform, with a free tier limited to one demo project and 10 reports per day, and an SEO plan priced at $117.33 per month.

Netpeak Spider is worth considering for a 500-URL free crawl with five threads and two devices per user on Windows and macOS.

Mangools is an alternative for keyword-focused workflows, with paid tiers defined by tracked-keyword allowances.

SEO PowerSuite offers a free project with 500 URLs, 1,100 backlinks, and one competitor, while its Professional plan costs $349 per year.

SpyFu is the alternative when search-result exports and tracked rankings are central, with its Basic plan at $39 per month.

Botify provides paid crawling and log-analysis packages. Labrika is another paid option with a free trial.

Verdict

Screaming Frog SEO Spider is a strong recommendation for experienced SEO professionals who need deep, configurable crawls and automation across demanding sites. Its main reason to choose is the combination of broad diagnostics, JavaScript rendering, custom extraction, and integrations; look elsewhere if the 500-URL free limit, desktop orientation, or annual paid renewal does not fit your workflow.