Free Technical SEO & Site Speed Tools
Technical SEO ensures search engines can crawl, render, and index your site efficiently. Slow pages, broken redirects, and missing compression directly affect rankings and Core Web Vitals scores.
RollDomains technical SEO tools measure real-world performance - page load timing, HTTP/2 support, GZIP/Brotli compression, redirect chains, mixed content, and estimated LCP, CLS, and INP metrics. Run checks on any URL before and after deployments.
Combine speed tests with our on-page and content SEO tools for a complete site audit. All tools are free and require no account.
13 free technical seo tools
Speed Test
Test website loading speed.
Page Load Analyzer
Detailed timing breakdown with grades.
Sitemap Validator
Validate XML sitemap structure.
HTTP/2 Checker
Test HTTP/2 protocol support.
GZIP/Brotli Checker
Check compression support.
Mixed Content Checker
Find insecure HTTP resources.
Lazy Load Checker
Detect lazy loading on images.
AMP Validator
Check for AMP version.
Core Web Vitals
Estimate LCP, CLS, FID metrics.
URL Encoder/Decoder
Encode/decode URLs instantly.
HTTP Headers
Analyze HTTP response headers.
Page Size Checker
Analyze total page size.
Redirect Checker
Trace URL redirect chains.
Technical SEO Tools FAQ
Related blog guides
Deep-dive articles that complement these free tools.
Help & how-to guides
Step-by-step answers for domain, DNS, and security tasks.
More free tool categories
Research domains with free WHOIS lookup, DNS checks, domain age, subdomain discovery, and TLD info tools. No signup required.
Audit title tags, headings, alt text, canonicals, hreflang, internal links, and more with free on-page SEO checkers. Instant results, no signup.
Analyze meta tags, robots.txt, sitemaps, keyword density, backlinks, schema markup, and readability with free SEO content tools.
Validate Twitter Cards, preview Open Graph tags, find RSS feeds, and audit social links on any page. Free social SEO tools, no signup.
Audit SSL certificates, security headers, malware, vulnerabilities, CSP, CORS, and TLS with free website security scanners. No account needed.
Verify SPF, DKIM, DMARC, MX, BIMI, CAA, and PTR records with free email and DNS authentication tools. Improve deliverability instantly.
Look up IP geolocation, ISP details, and network information with free network diagnostic tools. Instant IP lookup, no registration.
Need a domain for your project?
Search hundreds of TLDs and register your perfect domain at competitive prices.
Search Domains