May 23
25
I am seeing signs of another unconfirmed Google search ranking algorithm update, this one kicking off on May 22nd and continuing over the next few days. This one is unusual in that I see significant chatter amongst the SEO community but some of the more popular Google rank checking tools are not picking up on it.
Read more from the original source:
Google Search Algorithm Ranking Volatility May 22 & 23 – Not Confirmed