2 questions ...

[ioc2e3]

Question 1

Zen Browser , Left side of ( set ) ...

Width is somewhat too wide ...

.........................

Question 2

That ...

Wish there was an option to ( add a site ) or ( delete a site ) ...

.

[ClixTW]

Question 2
...
Wish there was an option to ( add a site ) or ( delete a site ) ...

You can open the about:newtab page and edit the pinned shortcuts to make adjustments.

關於第二個問題，可以打開about:newtab，透過編輯釘選的捷徑來調整。
這確實不太好想到😄