Meta descriptionA brief summary of the content of a web page that appears in search engine results. Meta descriptions help to attract users to click on a website's link in search results.
Meta keywordsA list of keywords that are used to describe the content of a web page, but are no longer used by most search engines for ranking purposes.
Meta tagsHTML tags used to provide information about a web page to search engines, including meta description and meta keywords.
Mobile-first indexingThe practice of prioritizing the mobile version of a website over the desktop version in search results. Mobile-first indexing is based on the fact that more users are accessing the internet via mobile devices than ever before.
Mobile optimizationThe practice of optimizing a website for mobile devices, including responsive design and mobile-friendly features.