Here are the 10 Largest Design & Development Websites ranked by a combination of Inbound Links, Google Page Rank, Alexa Rank, and U.S. traffic data from Compete and Quantcast. Although no traffic metrics are completely accurate we do believe the data below to be useful for gauging relative audience size. [Corporate development sites like Adobe and MSDN were not included in this survey.]

1 | w3.org
Inbound Links 231,510,949
Compete Monthly Visitors 809,099
Alexa Ranking 473

2 | bravenet.com
Inbound Links 5,512,203
Compete Monthly Visitors 3,962,513
Alexa Ranking 1,043

3 | sitepoint.com
Inbound Links 432,983
Compete Monthly Visitors 456,820
Alexa Ranking 474

4 | internet.com
Inbound Links 4,824,728
Compete Monthly Visitors 332,842
Alexa Ranking 2,463

5 | HotScripts.com
Inbound Links 1,040,289
Compete Monthly Visitors 231,243
Alexa Ranking 1,496

6 | DynamicDrive.com
Inbound Links 613,629
Compete Monthly Visitors 240,441
Alexa Ranking 1,758

7 | TemplateMonster.com
Inbound Links 1,686,675
Compete Monthly Visitors 180,025
Alexa Ranking 1,014

8 | SmashingMagazine.com
Inbound Links 332,023
Compete Monthly Visitors 210,845
Alexa Ranking 2,803

9 | AListapart.com
Inbound Links 961,055
Compete Monthly Visitors 77,175
Alexa Ranking 3,002

10 | Colourlovers.com
Inbound Links 95,622
Compete Monthly Visitors 177,401
Alexa Ranking 6,742

The article from eBizMBA.