IndiaGlitz.com heads the list for top sites browsed by the telugu users followed by idlebrain,greatandhra,teluguone,andhravilas.Indiaglitz covers information about filmi news,previews,reviews,galleries,event coverage,videos,apart from these features major positive aspect of the site is its catchy appearance which uses dreamweaver technology.
Idlebrain.com one of the oldest and entirely dedicated to telugu cinema ,manages to hold the second position facing stiff competition from other sites in the list,major advantage of the site(apart from being the oldest)celebrities of the industry visiting site.
Con's of the site:
1)Webpage is too crowdy
2)Havent changed its appearance and features since its inception.
3)General perception of visitors is that site biased to few major big wigs of the industry.
It would be no wonder if this site goes down the list in few years.
Below table depicts the traffic for period of six months 
Table Source:alexa.com
GreatAndhra.com one of the rapidly growing sites which is famous for its industry gossips&news which are updated hourly ,apart from news they provide forums&blogs for discussion (most of them being abusive and caste related) which makes it more interactive.
Con's of the site:Site is too slow.
Teluguone.com has its major chunk of users from USA, even though it provides some unique features still stands fourth in the list, reason for it is most of there content is available at pay per view basis.
As India celebrates the 150th anniversary of the first uprising against the British, the town where the first shot was fired by sepoy (soldier) Mangal Pandey is witnessing the gradual obliteration of its historical heritage.
