This document discusses various SEO-related topics in brief snippets, including site architecture with top-level domains, using keywords in URLs, how Googlebot interacts with JavaScript, meta keywords tags, A/B testing, XML sitemaps, doorway pages, the canonical tag element, and off-site link building through social media and offline activities. Key points are made about proper site structure, JavaScript rendering, meta tags, fresh content, duplicate versions, and more. External links are provided for further reading on certain topics.
21. Canonical
Canonical Tag Element-
Canonical
-
Duplicate Version Duplicate Version
example.com/article?page=1 example.com/article?page=1
Server Headers Canonical Version
example.com/article
Duplicate Version Duplicate Version
example.com/article?lang=he example.com/article?lang=he