Original sentence: The Webometrics ranking of world universities  offers information about more than 3,000 universities according to their web-presence (a computerised assessment of the size and sophistication of the website)
Edited sentence: A refinements of Webometrics is presented in the G-Factor ranking (above).As such it is expected to show not only the academic performance, but will reflect also the whole set of activities of the universities, usually ignored in other rankings and that can be obtained if the institutions  commitment to Open Access initiatives.From 2004 the Webometrics ranking of world universities  is offering information about more than 3,000 universities according to their web-presence (a computerised assessment of the size and sophistication of the website)