When you change data for pages on your site, whether that is meta data, content, or URLs, you need to make sure those changes are reflected in the Yoast SEO Indexables tables. To reindex Yoast SEO you can do two things:
Reindex through WP CLI
With our WP CLI command you can simply run:
This will remove the content from the tables and reindex all of them, so your data is up to date.
Reset through Yoast Test Helper
Install the Yoast Test Helper plugin and hit the button labelled "Reset Indexables tables & migrations". This will reset the plugin, causing it to ask you to index the site.