Canonical changed
What this page tests
Check Canonical URL changes (indexability.canonical), alert indexability.canonical_change.
Canonical URLs changed for a material share of monitored pages. Rankings and links may consolidate to a different URL than before.
Why it matters
Canonical URLs changed for a material share of monitored pages. Rankings and links may consolidate to a different URL than before.
How the fail is produced
Canonical points at /canonical-changed-target instead of a self-referencing URL.
This page is part of the TechDash Test Site used to exercise the TechDash desktop app. Each fixture isolates a single check so you can add one path at a time and see a clear pass or fail. Search engines and users rely on stable HTTP responses, index signals, metadata, and site files. When those signals drift, organic visibility, crawl efficiency, and measurement can all suffer. Keep the homepage as the healthy control origin, then monitor the specific path you want to fail. Substantial body copy is included so thin-content and soft-404 heuristics do not fire unless that is the intended test.