That sounds more like a Addon issue doing then either Browser doing so. Did you verify this wasn't Addon issue for either browser. Also make sure your Security software isn't doing this.

How do I stop a web page from auto refreshing Chrome or Firefox? it is so trouble for my site]

You could try a userscript such as that linked below (remove the blank space). You need to install an extension such as Greasemonkey.

https://greasyfork. org/en/scripts/16079-disable-autorefresh https://addons.mozilla.org/en-US/firefox/addon/greasemonkey/

You could try a user script such as that linked below. You need to install an extension such as Greasemonkey.

https://greasyfork.org/en/scripts/16079-disable-autorefresh https://addons.mozilla.org/en-US/firefox/addon/greasemonkey/