Search returns the right article but opens a cached outdated version

Scenario

Visitors find the correct troubleshooting article through search, but the page content appears outdated because a stale cached version is being served.

Recommended Resolution Path

1. Confirm the article content is correct in Drupal before blaming search.
2. Check CDN, reverse proxy, and browser cache behavior for that specific page.
3. Purge the stale page and verify the canonical version is returned publicly.
4. Review cache invalidation rules so future article updates appear promptly.

Technician Notes

Document where the stale copy was held and whether the issue affected only one article or the broader site.