When working in the Google Search Console, I noticed that our sitemap does not contain modification dates.
This, however is crucial to trigger reindexing of the page content.
Turns out that even though the sitemap generator was enabled, the original theme generated a custom sitemap, overriding the gem.
I removed the custom sitemap and added the last-modified-at plugin, which also uses the git history to determine file changes.
When working in the Google Search Console, I noticed that our sitemap does not contain modification dates. This, however is crucial to trigger reindexing of the page content.
Turns out that even though the sitemap generator was enabled, the original theme generated a custom sitemap, overriding the gem.
I removed the custom sitemap and added the
last-modified-atplugin, which also uses the git history to determine file changes.