On-page SEO checks
Every check compares each monitored page with its baseline for the following signals.
| Signal | What is detected |
|---|---|
| Robots meta tags | noindex, nofollow and other robots meta changes |
| SEO title | Changed or removed page titles |
| Meta description | Changed or removed descriptions |
| Canonical URL | Changed or removed canonicals, including canonicals pointing to another domain |
| Structured data | Schema types added or removed, and JSON-LD that no longer parses |
| Open Graph | Changes to social sharing metadata |
| Twitter/X cards | Changes to card metadata |
| H1 headings | Missing, changed or multiple H1s |
| Content size | Significant word-count drops |
| HTTP status | Monitored pages returning errors |
| Redirects | New redirects, and redirects leading outside the site |
Severity
Section titled “Severity”Each finding is graded:
- Critical: may immediately affect crawling, indexing or page availability, for example a page becoming
noindexor returning an error. - Warning: worth reviewing, for example a changed canonical or removed schema type.
- Info: lower-risk changes kept for reference.