There are times when users have to deal with the issue of why is yahoo mail so slow. If you encounter the same, then ensure that your internet connection is fast enough. You need to switch to a recent version of the web browser, and you can use Google Chrome or Firefox. The next step that you need to follow is to temporarily delete the internet files and cookies and disable the browser plugins. There are several available to do it through the web browser, so you need to perform an internet search to check out instructions for a web browser. You can use the third-party email client or even try to switch to a basic view.