// seo tools
Free SEO tools to understand
what Google is actually doing
Practical diagnostics and explainers built by yerman to help you understand indexing, ranking and technical SEO issues — without guesswork.
Why SEO problems are often misunderstood
Many SEO issues aren’t caused by bad content — they’re caused by technical signals that confuse search engines or prevent pages from being indexed at all.
We regularly audit sites where pages look “fine” to humans but are blocked, duplicated, or deprioritised by Google due to subtle technical mistakes. These tools exist to surface those issues clearly.
No black-box scoring. No false promises. Just clear signals and explanations.
Indexing & visibility diagnostics
If a page isn’t indexed, it can’t rank. Indexing problems are one of the most common — and most misunderstood — causes of lost traffic.
These tools help you diagnose whether pages can be indexed, whether they should be indexed, and why Google may be choosing not to show them.
Some pages are fully indexed but still receive zero impressions. This usually isn’t an indexing failure — it’s a selection problem, where Google chooses not to serve the page for expected queries.
- Indexed but No Impressions Analyzer – diagnose why a page is indexed but rarely (or never) shown in Google search results
- Noindex Checker – detect meta and header directives blocking indexing
- Indexability Checker – check whether a page can be crawled and indexed
- Discovered – Currently Not Indexed – understand this GSC status
- Crawled – Currently Not Indexed – diagnose why pages aren’t indexed
Canonicalisation & duplication issues
Conflicting canonicals and duplicate URLs can silently split ranking signals or cause Google to ignore the page you actually want to rank.
These tools help identify canonical conflicts and explain how Google chooses which version of a page to index.
- Canonical Conflict Checker – detect conflicting canonical signals
- Google Chose Different Canonical – explanation & fixes
Technical SEO checks
Technical SEO issues often don’t break sites outright — they quietly reduce crawl efficiency, indexing confidence and ranking potential.
These tools help validate key technical signals that search engines rely on.
- Robots.txt Tester – test crawl rules safely
- Redirect Chain Visualiser – find and fix redirect chains
- Sitemap Diff Checker – compare sitemap versions
Analysis & debugging tools
SEO analysis often involves pattern matching across URLs, queries and signals. These tools help you work more efficiently with data from Google Search Console and site audits.
- SEO Snippet Preview – preview how pages may appear in search results
- GSC Regex Tester – test regex filters for Search Console
Who these SEO tools are for
- Founders & SMEs — understand issues before hiring SEO agencies
- Marketers — diagnose problems without relying on black-box tools
- Developers — validate technical signals during builds and migrations
Need an SEO audit or technical fix?
We help businesses diagnose, fix and scale search visibility with practical, engineering-led SEO.
See our SEO & AI work