Technical SEO
Diagnostics
How strong the tool is for crawling, audits, indexability, metadata, status codes, and technical site health.
RankSense
5/5
Strong technical/on-page implementation and monitoring, including meta tags, structured data, redirects, canonical, mobile and internationalization checks.
The homepage states it can implement meta tags, structured data and redirects; the free-tools page lists canonical, meta, mobile and internationalization audits: https://www.ranksense.com/ and https://www.ranksense.com/free-tools/
Raven Tools
3/5
Substantial technical auditing with crawl, visibility, meta, content, links, images, semantics and desktop/mobile speed checks, plus scheduling and checklists.
Raven says the auditor evaluates 17 metrics, produces a health score, prioritized issues and actionable checklist; it supports weekly/monthly schedules and crawl depth 1–10,000 pages: https://raventools.com/site-auditor/