Glossary - Technical SEO

Telling Google which URL is the "main" version when several pages serve the same or near-identical content, using a canonical tag.

How easy and satisfying a website is to use, a major influence on SEO through Core Web Vitals and the engagement signals it produces.

An HTML tag that tells search engines which version of a page is the master copy when very similar duplicate URLs exist.

Permanent server-side rules that forward visitors and search engines from old URLs to new ones, passing on most ranking signals.

The HTML attribute that holds descriptive text for an image, used by screen readers and search engines to understand its content.

Whether search engine bots can actually reach and read the pages on your site, the binary precondition for ranking.

A short written description of an image, added via the HTML alt attribute, so screen readers and search engines understand what it shows.

Structured data that lets Google display question-and-answer dropdowns directly under your search result.

HTML elements from H1 to H6 that structure your page content into a clear, scannable hierarchy.

Whether Google chooses to include a page in its searchable index after crawling it.