Possible Google Algorithm Fine Tuning on 16 May 2020 (AU)
https://www.semrush.comLooks like most of the SERP position tackers are noticing a big change today, in SEMRush I can see a 5.2/10 volatility score. Check out how some of the SERP Fluctuations tools reacted to it: Mozcast, Algoroo, Advanced Web Rankings. Keep an eye on your ranking folks, it looks like Google is fine-tuning some of the things they rolled out with the May 2020 core update.