So, I've managed to upgrade our server's repositories, and add support for XCache. I hope that all this will result in faster browsing 
XCache is supported by vBSEO, so server shouldn't lag so much with this plugin.
XCache is supported by vBSEO, so server shouldn't lag so much with this plugin.
- PHP Version 5.2.6
- MySQL Version 5.0.58
- XCache v1.2.2
- Zend Optimizer v3.3.3
- + many, many more... (around 200 packages = 400MB)