[jergason]

You can usually edit the titles of your own bookmarks.

[joegreen]

Yeah but favicon appears next to the bookmarked page's title in browsers. If there's no favicon you can't say which page the bookmark leads to after deleting the whole title to save space :-)

[lkbm]

I use the "I hate your favicon" extension for Chrome: https://chrome.google.com/webstore/detail/i-hate-your-favico...