Web 2 . 0. 0 explains www(world large web) apply technology past the stationary pages of earlier internet sites. It is a new version of the global world wide web. An online 2 . zero site may allow users to socialize and work together with one another in a social press dialogue as creators of user produced content in a digital community, in comparison of websites where people are restricted to the unaggressive viewing of content. A few examples of web 2 . 0. 0 include Blogs, web applications, wikis, social social networking, mashups, folksonomies, hosted services, file & picture posting, video directories. Web 2. zero can be described in three parts (RIA)rich internet application, (WOA)web oriented structures and interpersonal web. Web 2 . 0. 0 websites include the following techniques and features like search, point links, writing, tags, plug-ins, signals. Web 2 . 0. 0 sites provide you with an interactive interface, software data and facilities storage through your browser. The most famous benefits of web 2 . 0. 0 are dynamic content, openness, scalability, user participation, rich user interface and metadata openness, scalability, metadata, user participation and rich user interface and involvement.  Applying web 2. zero sites website owners can improve SEO and make high pr quality backlinks. Almost all below web 2 . 0. 0 sites Free Absolutely.

TOP 100  BEST WEB 2.0 SITES LIST

SR.

Web 2.0 Sites


Alexa rank
1Twitter.com
8
2Youtube.com
3
3Wikipedia.org
7
4Pinterest.com
32
5WordPress.com
33
6Instagram.com
25
7Blogger.com
95
8Flickr.com
145
9Xing.com
1,213
10Tumblr.com
31
11IMDB.com
42
12Craigslist.org
112
13Wikia.com
121
14Livejournal.com
173
15Goodreads.com
298
16Weebly.com
278
17Wix.com
315
18Jimdo.com
645
19Sfgate.com
732
20Academia.edu
987
21Last.fm
1,452
22Salon.com
1,143
23Merchantcircle.com
6,576
24Yelp.com
135
25Rediff.com
261
26Photobucket.com
341
27Evernote.com
354
28Zoho.com
565
29Typepad.com
897
30Webs.com
1,432
31Diigo.com
2,341
32Couchsurfing.com
3,243
33Newsvine.com
4,342
34angelfire.lycos.com
8,987
35Yola.com
9,542
36Wikidot.com
3,976
37Edublogs.org
5,432
38Imgur.com
36
39Microsoft.com
41
40eHow.com
463
41Hubpages.com
899
42Shutterfly.com
974
43Zimbio.com
1,675
44Ucoz.com
1,892
45Skyrock.com
1,695
46Redbubble.com
2,638
47Care2.com
3,595
48Wayn.com
6,453
49squidoo.com
7,265
50Wetpaint.com
8,656
51Moonfruit.com
11,185
52Dailystrength.org
21,321
53Lomography.com
22,615
54Gather.com
35,975
55blog.co.uk
39,453
56Travelblog.org
45,695
57Areavoices.com
47,653
SR.Web 2.0 Sites
Alexa rank
58Soup.io
3,695
59Webnode.com
4,953
60Mouthshut.com
4,232
61Fotki.com
8,515
62Pinkbike.com
9,342
63Gigsy.com
11,676
64Kiwibox.com
12,876
65Justpaste.it
12,642
66Beep.com
15,435
67Pen.io
16,561
68Snappages.com
18,461
69Smore.com
19,322
70Jambase.com
23,711
71Sosblogs.com
24,465
72Onsugar.com
24,432
73Sitew.com
31,451
74Doomby.com
32,387
75Kickofflabs.com
37,654
76Thoughts.com
38,164
77Cabanova.com
41,311
78Webgarden.com
44,214
79Zoomshare.com
71,511
80Portfoliobox.net
80,289
81Devhub.com
108,657
82Hazblog.com
114,421
83Alivenotdead.com
124,879
84Webspawner.com
131,812