Free and open first
Best Technical SEO Software in 2026
Technical SEO tools help examine website details that affect crawling and search visibility. Compare crawl limits and scheduled crawls, then consider JavaScript rendering, structured data audit, and log-file analysis as parts of your technical review. API access may also matter for your workflow; Free plan availability and Paid from pricing provide cost details to compare. WebCrawler Pro, A1 Website Analyzer, and Crawlix are among the entries, along with Netpeak Spider and Screaming Frog SEO Spider. Focus on the checks and crawl scope relevant to your site, using the published capabilities to assess which tools fit.
- 29 apps
- Research read 23 Sept 2026
- How the order is worked out
- 1
Crawlie
Free plan APILinuxMac+2Choose Crawlie if you need technical SEO and GEO audits with distinct scores and several report formats.
- 2
A1 Website Analyzer
by A1 Website AnalyzerFree plan MacWindowsA1 Website Analyzer covers link, SEO, and content checks, with imports, exports, and scan automation.
- 3
Crawlix
Free plan LinuxWindowsCrawlix combines broad site audits with local data storage and offline review. Free is limited by crawl size and project count, while Pro starts at $15 a month and Agency at $45 a month.
- 4
Crawlr
Free plan APIWebCrawlr combines configurable crawling, technical SEO analysis, visualizations and API access. Compare plan limits with the size and frequency of the crawls you need.
- 5
CrawlX
Free plan APIWebCrawlX combines technical SEO crawling with impact-ranked issues and reviewable GitHub fixes. Check the plan’s crawl limits and the separate AI-key requirement before choosing a tier.
- 6
CrawlZilla
Free plan APIWebCrawlZilla brings crawling, page analysis, Lighthouse audits, and scheduled monitoring into a cloud service with web and API access.
- 7
Screaming Frog SEO Spider
by Screaming Frog SEO SpiderFree plan APILinuxMac+2SEO Spider offers technical crawling, JavaScript rendering, data extraction, and integrations across Linux, macOS, and Windows.
- 8
CrawlRhino
by CrawlRhinoFree plan WindowsCrawlRhino groups several practical SEO tasks into separate Windows tools, with free limits for crawling and monitoring.
- 9
Netpeak Spider
by Netpeak SpiderFree plan MacWindowsNetpeak Spider offers a broad technical crawl, reporting options, and a free tier with URL and thread limits. Choose a Pro billing option if those free-tier limits are too restrictive.
- 10
Screaming Frog SEO Log File Analyser
by Screaming Frog SEO Log File AnalyserFree plan LinuxMacWindowsThe analyser focuses on local access-log analysis, with bot verification, crawl reporting and data matching.
- 11
Google Rich Results Test
Free plan WebChoose Google Rich Results Test for a free, anonymous check of structured data and possible rich result eligibility.
- 12
SEO4Ajax
Free plan APIExtensionWebChoose SEO4Ajax if your business needs dynamic rendering for AJAX content, with configurable caching and monitoring across the listed server and framework options.
- 13
SECrawl
Free plan APIWebSECrawl combines broad site auditing with AI search analysis and flexible crawl search. The free plan is limited, while larger crawl allowances and API access require paid plans.
- 14
WebCrawler Pro
by WebCrawler ProFree plan LinuxMacSelf-hosted+2WebCrawler Pro combines technical, AEO, and GEO checks with configurable crawl modes and report exports. Its stated crawl limitations and unsigned installers are worth considering before use.
- 15
Seitenreport
Free plan APIWebSeitenreport combines website audits with scheduled monitoring and export options, with a free public check for up to 20 URLs.
- 16
SEO Crawler
Free plan APIWebSEO Crawler combines link and technical SEO checks with exports and AI suggestions. Check the URL and domain limits, and note that crawling currently covers public pages only.
- 17
- 18
Siteliner
Free plan APIWebChoose Siteliner for website scans focused on internal duplicate content, broken links, and page prominence, with downloadable reports and an XML sitemap.
- 19
TechSEO360
Free plan MacWindowsTechSEO360 brings crawling, sitemap creation, and link auditing together, with command-line scheduling and data imports.
- 20
JetOctopus
by JetOctopusFree trial APIWebJetOctopus brings technical SEO data and large-site crawling into one cloud platform, with API and MCP access.
- 21
Little Warden
Free trial APIWebLittle Warden brings pre-launch checks and ongoing website monitoring into one service, with broad technical and SEO coverage.
- 22
- 23
Prerender.io
Free trial APIWebPrerender.io focuses on serving cached, rendered HTML to crawlers while routing normal visitors through the existing site.
- 24
- 25
#1Places #1, #2, #3, #4, #5 on this list can be bought by the makers of the software on it. See the price
More in Marketing
- Transactional Email Software41
- Transactional SMS Software76
- Two-Way SMS Software30
- UGC Platforms29
- URL shorteners156
- Video Marketing23
- Website Personalization Software30
- Website Visitor Tracking Software25
- YouTube SEO Tools25
- Account-Based Marketing Software30
- Affiliate Analytics Software27
- Affiliate Link Management Software27