External tools launchpad
Paste a URL or keyword once. Every tool below opens with your context pre-filled — no retyping. Use this for the metrics we can't compute ourselves (real DA, full backlink index, SSL grade, search volume).
Authority + backlinks
5 tools
- Moz Free Domain Analysisfreeneeds hostname
Get the Domain Authority (DA) score, top linking domains, spam score, and the keywords this domain ranks for.
- Ahrefs Free Backlink Checkerfreeneeds hostname
See the top 100 backlinks pointing at this domain, their Domain Rating, and the anchor text used.
- OpenLinkProfilerfreeneeds hostname
Free real-time backlink index — daily-refreshed list of every link they could find pointing at this domain.
- Ubersuggest Domain Overviewfree tierneeds hostname
Estimated organic traffic, top pages, top keywords, and a 'SEO Difficulty' for the domain. Free 3 lookups/day.
- Semrush Domain Overviewpaid trialneeds hostname
Authority score, organic traffic estimate, keyword count, top organic competitors. Free with signup.
Keyword research
5 tools
- Google Keyword Plannerfreeneeds keyword
Real Google search volumes, suggested CPC, and seasonal trends. Free with any Google Ads account.
- Google Trendsfreeneeds keyword
Search interest over time + regional breakdown + related queries. Best for spotting rising / falling demand.
- AnswerThePublicfree tierneeds keyword
Auto-completes turned into question / preposition / comparison clusters — content brief gold.
- AlsoAskedfree tierneeds keyword
Maps People-Also-Ask cluster trees — see how Google groups related questions. Free 3/day.
- Keyworddit (Reddit-mined)freeneeds keyword
Pulls keywords mined from Reddit threads — language real humans actually use, not what AI tools predict.
Performance
4 tools
- Google PageSpeed Insightsfreeneeds URL
Real-world Core Web Vitals (LCP / INP / CLS) from CrUX + lab Lighthouse audit + concrete fix suggestions.
- GTmetrixfree tierneeds URL
Waterfall + opportunity report. Free 3 tests/day, no signup. Useful second opinion vs PSI.
- WebPageTestfreeneeds URL
Multi-location detailed performance run — slowest network types, video filmstrip, deep waterfall. Free.
- Google Mobile-Friendly Testfreeneeds URL
Pass / fail + screenshot of how Google renders this URL on a phone. Catches mobile-only issues.
Schema + structured data
2 tools
Security
3 tools
- Mozilla Observatoryfreeneeds hostname
Grades security headers A+ to F with concrete checklist (HSTS, CSP, X-Frame-Options, etc.).
- Qualys SSL Labsfreeneeds hostname
Detailed TLS / SSL grade A+ to F. Slow (~2 min) but the gold standard for cert + cipher analysis.
- SecurityHeaders.comfreeneeds hostname
Quick HTTP-header grade by Scott Helme. Faster than Observatory; good for daily checks.
Indexing + crawl
4 tools
- Google Search Consolefreeneeds hostname
Indexing status, manual actions, sitemaps, performance — Google's own truth source. Free, requires verification.
- Bing Webmaster Toolsfreeneeds hostname
Bing's GSC equivalent + a free SEO audit. Underused — easy free wins for audit reports.
- Bing site: searchfreeneeds hostname
Quickest indexed-pages estimate. We auto-do this in /tools/domain-overview but it's worth eyeballing.
- Google site: searchfreeneeds hostname
Google's indexed-pages eyeball. Less reliable than GSC's coverage report but instant.
History + ownership
2 tools
AI search visibility
3 tools
- Perplexityfree tierneeds keyword
Citation-first AI search. Test which of your tracked queries cite your domain in answers.
- ChatGPT (web search)free tierneeds keyword
Manually test whether ChatGPT cites your site for tracked queries. Search-mode required.
- Google AI Overviews checkfreeneeds keyword
Plain Google search — note when AIO appears + which sources it cites. Cross-check our SERP scanner.