Technical SEO
Diagnostics
How strong the tool is for crawling, audits, indexability, metadata, status codes, and technical site health.
Scalenut
3/5
On-page issues, schema, crawlability, audits, internal linking, and a VIP monthly technical audit/fixes are documented, but a full technical crawler is not established by the primary pages.
The optimizer page lists on-page issues, meta tags, schema, and crawlability; pricing lists VIP monthly technical audit and fixes: https://www.scalenut.com/platform/optimize-content and https://www.scalenut.com/pricing
SEOptimer
5/5
Broad technical audit and crawler coverage including performance, indexing, rendering, structured data and security signals.
Official audit coverage lists Core Web Vitals, PageSpeed, robots, sitemaps, canonical/noindex, JS errors, HTTP2, schema and many technical checks: https://www.seoptimer.com/seo-audit/ https://www.seoptimer.com/seo-api/