A canonical link (also called canonical tag, canonical URL or URL canonicalization) is included in the HTML code of a webpage to indicate the original source of content. This markup is used to address

CS5331 Lecture 5Some Defenses Dont take user input for redirect/forward destinations if possible URL canonicalization: Prepend the URL destinations with http://yourdomainname.com to

Les différentes versions linguistiques d'une même page ne sont considérées comme des doublons que si le contenu principal est dans la même langue. En d'autres termes, si seuls l'en-tête, le pied

We published a blog post in Simplified Chinese. You can find the original blog post in English on Matt Cutt's blog. Start reading in Simplified Chinese

Since homepages often face duplication through various URL forms, proactively placing a canonical tag on your homepage template is a preventive measure against potential issues. This ensures that vari

Recently Twitter has been making various changes to its robots.txt file and HTTP status codes. These changes temporarily resulted in unusual url canonicalization for Twitter by our algorithms. The can

URL path, filename, and query parameters are case-sensitive, the hostname / domain name aren’t. Case-sensitivity matters for canonicalization, so it’s a good idea to be consistent t