How Title & Meta Description Update Will Affect Your Rankings

Here you can see how the last line of meta description changes as per the query in case 2, when pdf word included in query Google displayed a new line from the content in meta description with pdf word in it.

The criteria used by Google to come up with new title are:

1. Something that is “relatively” short
2. Have a good description of the page and “ideally” the site that the page is on.
3. And that it is relevant to the query.