What Kind of matter is this?

[AK47z]

When i try to post Links it say like this on one site ;
What is the error of that site?
[noparse]click here[/noparse]
Error:

Fatal error: Maximum execution time of 30 seconds exceeded in /home/warez/domains/sharingcenters.com/public_html/includes/functions_vbseo.php on line 4685