Might be this increase you work to add meta to tag to every page but this work too later you get to know about this.
Syntax of Generator Tag To explain you visitor in only 2 or 3 line the description of your web page that shows on the search engines is description tag.
A Meta tag in the HTML that describes some aspects of the content of a web page, this tag is used by search engines to index a page so that someone searching for some kind of information on web page and page able to find it.
This tag is placed as a part of the heading of the web page.
If you have a feeling that something should be here, but it isn't, let me know (my author box is below).
Deprecated meta tags were intentionally left out of this resource, as were meta tags that don't really do anything.
Keyword, user search to your website should be mentioned in your keyword meta tag.
If the user find the same results for he is actually looking then your website ranked higher in the search index.
Every page of your website should have relevant meta tag.
Used keywords and phrases that also should be relevant for the user and same for the correspond page.