@SwashMar 20.2015 — #Yes, Google update his algorithm to detect the pages which are created only for serp ranking. Through this algorithm Google throw them out these pages or sites to improve search quality result. This algorithm of Google also makes the user happy to surfing Google on internet.
@doreen87Mar 20.2015 — #Google has recently brought update on Door way pages which I think will impact lot of eCommerce sites,Google's Panda Update is a search filter introduced in February 2011 meant to stop sites with poor quality content from working their way into Google's top. I hope this helps...
@advent_geekMar 20.2015 — #Hope it would be Mobile Based Ranking Algorithm. who were all get the Mobile Friendly website errors alert from Big g's WMT.