Is Google Updating?

What Happen When Google Start updating its Database or algorithm.

Google never announce about updates.

But internet users around the world start noticing/observing different behavior of Google SERP.

Internet users discuss their observation on forums, their blogs and in other communication method.

How to find that is Google updating?

There are some observation to find out is Google updating.

1. SERP (search engine ranking placement) result keeps changing.
2. Google spiders are slower than before. Will not crawled your web page since 10-15 days.
3. number of back links didn’t update since 10-15 in Google webmaster tool
4. Any of you link building efforts didn’t show up.
5. Webmaster tool is not showing links/ or page will not load on click total number of links.