Developer Tools vs Seobility

devtools.tr is a free toolbox of 173 web and developer tools for webmasters, developers and system administrators. Every check runs live against real servers: DNS lookup, SSL/TLS and security headers, website analyzer with PDF reports, SEO and Core Web Vitals, TTFB, CDN and compression tests, IP geolocation, WHOIS, ASN and blacklist checks. Developer utilities include a JSON formatter and validator, regex tester, Base64, UUID, SQL/HTML/CSS/JS formatters and minifiers. Results come as clear reports with scores and ready-to-paste fixes for Apache, nginx and Cloudflare. No sign-up, no limits, fully in English and Turkish, and works on mobile.

Seobility is an SEO platform developed in Germany that combines a website crawler and on-page audit with rank tracking, backlink monitoring, keyword research and content optimization tools. It is especially popular with small businesses, bloggers and freelancers because its free plan includes real site crawling and its reports explain problems in plain language.

The crawler checks technical issues such as broken links, redirects, duplicate content, meta tags, slow pages, missing alt texts and internal linking, then scores the site and lists fixes by priority. Rank tracking monitors keyword positions on Google for desktop and mobile, backlink monitoring follows new and lost links, and the TF*IDF tool and content checks help optimize pages for target keywords. The free Basic plan covers one project and up to 100 pages per crawl; Premium raises limits to three projects, 25,000 pages per crawl and hundreds of tracked keywords; Agency adds white-label reports, more projects and up to 100,000 pages per crawl. Prices are listed in euros.

Seobility fits small sites and freelancers who need regular technical audits and monitoring at low cost. Its keyword and backlink databases are much smaller than Semrush or Ahrefs, so competitive research is limited, and the interface is functional rather than modern. Screaming Frog is the desktop crawler of choice for technical SEO specialists, SE Ranking and Ubersuggest offer broader all-in-one suites at modest prices, and Sitechecker is a similar audit-focused option.