Many SEO experts will look you in the eye and explain patiently that meta tags are no longer of any use, and go on to say that search engines no longer use them.  So if meta tags are no longer used, why haven’t the tags been discontinued? Or maybe they are only used by the file server, and not for indexing by spiders.  Or maybe those so-called SEO experts haven’t got it

HTML includes a meta tag to allow a site designer to communicate, albeit in a one-way fashion, to search engine spiders, often known as robots.  This can be useful in a number of ways, blocking all robots from indexing the page it used in, inviting all robots robots to the indexing, and similarly allowing or disallowing said spiders from following the links contained on the page.  In