Article Published and Modified Date Meta Tags
Adds article:published_time and article:modified_time meta tags to blog posts, which social networks and search engines use to understand how fresh a post is.
Snippet Library
SEO snippets for WordPress
Snippets for search engine basics: meta descriptions, Open Graph tags, structured data, noindex rules and robots.txt changes. Lightweight options for sites that do not run a full SEO plugin, or need one specific fix.
Last Modified Dates in the XML Sitemap
Adds the date each post was last updated to the built-in sitemap, which helps search engines find changed content faster.
Last-Modified Header and 304 Responses for Posts
Sends a Last-Modified header with each post's update time and answers repeat visits from crawlers and browsers with "304 Not Modified", saving bandwidth and crawl budget.