The sites in the top sites lists are ordered by their 1 month alexa traffic rank.

The 1 month rank is calculated using a combination of average daily visitors and pageviews over the past month. The site with the highest combination of visitors and pageviews is ranked #1.

1. Facebook
   facebook.comA social utility that connects people, to keep up with friends, upload photos, share links and videos.
2. Google.co.id
   google.co.idgoogle.co.id
3. Yahoo!
   yahoo.comPersonalized content and search options. Chatrooms, free e-mail, clubs, and pager.
4. Google
   google.comEnables users to search the Web, Usenet, and images. Features include PageRank, caching and translation of results, and an option to find similar pages. The company’s focus is developing search technology.

1. Blogger.com
   blogger.com

   Free, automated weblog publishing tool that sends updates to a site via FTP.

2. YouTube
   youtube.com

   YouTube is a way to get your videos to the people who matter to you. Upload, tag and share your videos worldwide!

3. WordPress.com
   wordpress.com

   Free blogs managed by the developers of the WordPress software. Includes custom design templates, integrated statistics, automatic spam protection and other features.

4. Kaskus – Komunitas Indonesia
   kaskus.us

   An online community forum with members from various countries and has a variety of topics of discussion in Indonesian and English.

5. Detik.com
   detik.com

   Portal contains actual news, articles, and access online.

6. Detiknews
   detiknews.com

   detiknews.com

7. 4shared
   4shared.com

   A simple and easy-to-use service offering free online files storage and sharing accessible worldwide.

8. KOMPAS.com
   kompas.com

   The largest MEGAPORTAL of Indonesia

9. Wikipedia
   wikipedia.org

   An online collaborative encyclopedia.

10. RapidShare
    rapidshare.com

    Users can upload up to 100 meg files for sharing. Provides downloads of 100 megs per hour on the free service. Premium service also available.

11. Klik BCA
    klikbca.com

    Internet banking service of Bank Central Asia. There are foreign exchange rates information, and access to customer accounts.

12. Multiply
    multiply.com

    Users can create, share and discuss blogs, photos, videos and music with others as well as post reviews of movies and books, or share a calendar of events.

13. Detik Sport
    detiksport.com

    Contains news about the actual sport.

14. Twitter
    twitter.com

    Social networking and microblogging service utilising instant messaging, SMS or a web interface.

15. Friendster
    friendster.com

    Friendster is a leading global social network emphasizing genuine friendships and the discovery of new people through friends. Search for old friends and classmates, stay in better touch with friends, share photos and videos, and so much more.

16. Okezone.com – Indonesian News & Entertainment Online!
    okezone.com

    Okezone.com is an online media news and entertainment No. 1 in Indonesia! 24×7 updated with the latest news and coverage quality, the fastest, most complete, trusted. Football Videos, Sports, and Celeb are also available with the best quality, only in Okezone.com!

Source : http://www.alexa.com