https://support.google.com/chrome/answer/10051760/
Share pages in Chrome - Computer - Google Chrome Help
When you browse with Chrome, you can share pages with people through other apps. Share pages with others Open Chrome.
share pageschromecomputergooglehelp
https://support.mozilla.org/en-US/kb/share-pages-firefox-other-browsers
Share pages with Firefox from other browsers | Firefox for Android Help
Send web pages from other browsers to Firefox for Android.
share pagesother browsersfor androidfirefoxhelp