Not much users need it.
It has the following disadvantages:
1.A permanent sidebar occupies the web page area.
2.If you expand it, you may have to scroll the panel to find target bookmark;if you don't expand it, it can't show many items.
We think its disadvantages outweigh its advantages.
It has the following disadvantages:
1.A permanent sidebar occupies the web page area.
2.If you expand it, you may have to scroll the panel to find target bookmark;if you don't expand it, it can't show many items.
We think its disadvantages outweigh its advantages.