Every week, we get questions about which meta tags a site should be using to achieve X result. In many cases, people are trying to accomplish relatively simple tasks with overly complicated methods. When it comes to SEO, the best message you can send to search engines is the simplest one.
Here's a simple breakdown of the intended purpose of each tag, including examples of when and how they should be used.
Possibly the most misunderstood of meta tags, rel="canonical" seems to pop up all over the place—and rarely where it should!
Intended Purpose: To tell search engines the original source of content, when 2 or more copies of that content exists.
Best Use: To give credit to the original source of content, when you're…