In October 2018, my site had a sudden drop in traffic from Bing.com (about 90%). Earlier, traffic was stable for several years.
Since then, I have contacted Bing Webmaster Support several times, but I have always received the answer that they cannot give guidelines for specific websites and have told me to follow the Bing Webmaster Guidelines – that's all.
However, a few days ago I got a reply from "High-level engineering team" with information that …. "we released an…
Bing Traffic Drop – Algo Update October 2018