https://www.popsci.com/hidden-macos-settings/
2. Simplify your view of the internet
The Safari web browser can hide ads and other distractions to let you focus on the a given page's text. To permanently enable this minimal-view Reader Mode, start by opening the browser. Next, click the Safari menu (in the bar at the top of the screen) and choose Preferences. From this window, open the Reader tab, find the When visiting other websites drop-down list, and select On.
https://www.popsci.com/hidden-macos-settings/
14. Stop autoplaying content
Autoplaying ads and videos can make the internet a noisy place. To stop them, open Apple's web browser, click Safari from the bar at the top of the page, click Preferences, and head to the Websites tab. Here, you can stop audio and videos from playing automatically in the future, or block videos that have sound attached.
https://www.igeeksblog.com/mac-settings-you-should-change/
#12. Show website Favicons in Safari
To enable this, open Safari → Select Safari Preferences → then select Tabs → and check the box beside “Show website icon in tabs.”