* [Jekyll SEO Tag v2.9.0](https://github.com/jekyll/jekyll-seo-tag) – Plugin for Jekyll that adds metadata tags for search engines and social networks, improving indexing and site content display.

* [Polyglot 1.13.0](https://github.com/untra/polyglot) – Internationalization plugin for Jekyll blogs with fallback, automatic URL relativization, and SEO tools.