The Startup Tracker Top 100 list is compiled monthly using data to measure overall traffic and engagement. Updated trackers are released 45 days after the close of a given month (subject to source data).
| Top 100 - December 2009 | + add |
| Rank | Company |
Uniques |
Compete |
Quantcast |
 Rank |
| 1 |
ZEDO |
137,996,328 |
- |
- |
-
|
| 2 |
Facebook |
132,130,132 |
3 |
- |
-
|
| 3 |
Specificmedia |
107,377,392 |
- |
- |
1
|
| 4 |
Adblade |
102,317,754 |
- |
- |
1
|
| 5 |
Turn |
69,644,881 |
- |
- |
2
|
| 6 |
Rubicon Project |
66,859,816 |
- |
- |
1
|
| 7 |
Unicast |
47,394,153 |
- |
- |
5
|
| 8 |
JibJab |
- |
- |
52 |
69
|
| 9 |
FetchBack |
41,932,732 |
- |
- |
1
|
| 10 |
CPX Interactive |
39,653,451 |
- |
- |
2
|
| 11 |
Taxi Fares app |
28,508,910 |
31 |
45 |
2
|
| 12 |
RockYou |
- |
- |
58 |
30
|
| 13 |
Invite Media |
33,845,991 |
- |
- |
15
|
| 14 |
Digg |
38,053,741 |
23 |
75 |
3
|
| 15 |
Cafe du commerce |
22,808,321 |
46 |
31 |
-
|
| 16 |
PubMatic |
28,025,431 |
- |
- |
3
|
| 17 |
TRAFFIQ |
27,398,605 |
- |
- |
6
|
| 18 |
WhitePages.com |
19,476,385 |
53 |
36 |
-
|
| 19 |
Casale Media |
24,277,307 |
- |
- |
2
|
| 20 |
Zynga |
20,577,119 |
- |
70 |
-
|
| 21 |
Dailymotion |
- |
- |
80 |
47
|
| 22 |
Social Media |
21,738,270 |
- |
- |
6
|
| 23 |
Cryptarchy VFX |
14,879,396 |
70 |
55 |
1
|
| 24 |
OpenX |
20,067,557 |
- |
- |
10
|
| 25 |
Yelp |
27,174,576 |
32 |
140 |
1
|
| 26 |
AdBrite |
18,138,687 |
- |
- |
5
|
| 27 |
VideoEgg |
15,718,179 |
- |
- |
2
|
| 28 |
Urban Dictionary |
- |
- |
106 |
64
|
| 29 |
Pronto.com |
10,894,341 |
95 |
65 |
3
|
| 30 |
Associated Content |
10,364,655 |
105 |
44 |
4
|
| 31 |
Loomia |
14,867,592 |
- |
- |
4
|
| 32 |
Huffington Post |
9,975,388 |
108 |
43 |
1
|
| 33 |
Kontera |
11,407,057 |
- |
- |
6
|
| 34 |
Hyper Urban Level User Sweden |
9,161,428 |
117 |
37 |
-
|
| 35 |
FamilyLink |
- |
- |
136 |
44
|
| 36 |
EzineArticles |
10,278,041 |
106 |
120 |
6
|
| 37 |
MyOfferPal |
10,456,403 |
- |
- |
2
|
| 38 |
Intelius |
13,265,063 |
80 |
207 |
1
|
| 39 |
Tynt |
10,045,117 |
- |
- |
12
|
| 40 |
TheFind |
7,899,161 |
146 |
89 |
1
|
| 41 |
33Across |
9,555,754 |
- |
- |
1
|
| 42 |
BabyCenter |
- |
- |
165 |
29
|
| 43 |
Examiner |
7,035,590 |
168 |
71 |
1
|
| 44 |
Indeed |
9,043,936 |
120 |
163 |
8
|
| 45 |
Etology |
9,070,959 |
- |
- |
2
|
| 46 |
Pandora |
6,044,924 |
208 |
53 |
11
|
| 47 |
RetailMeNot |
10,468,156 |
104 |
272 |
11
|
| 48 |
Squidoo |
6,305,896 |
198 |
104 |
1
|
| 49 |
HubPages |
6,222,949 |
200 |
98 |
3
|
| 50 |
SearchIgnite |
8,146,695 |
- |
- |
112
|
| 51 |
Gigya |
13,523,155 |
- |
336 |
4
|
| 52 |
Infolinks |
6,198,088 |
- |
109 |
31
|
| 53 |
Business.com |
- |
- |
190 |
34
|
| 54 |
Snap Technologies |
7,794,570 |
- |
- |
7
|
| 55 |
Online Video Guide |
- |
- |
197 |
166
|
| 56 |
LinkStorm |
7,296,830 |
- |
- |
3
|
| 57 |
wikiHow |
5,851,828 |
218 |
126 |
5
|
| 58 |
Vizu |
7,037,504 |
- |
- |
9
|
| 59 |
Ning |
5,828,455 |
223 |
122 |
9
|
| 60 |
MetroLyrics |
6,850,078 |
175 |
188 |
7
|
| 61 |
iPromote |
7,010,210 |
- |
- |
27
|
| 62 |
FixYa |
5,592,643 |
233 |
114 |
6
|
| 63 |
Shop.com |
- |
- |
212 |
19
|
| 64 |
Metacafe |
5,199,035 |
259 |
67 |
4
|
| 65 |
Priceline |
8,396,311 |
133 |
283 |
17
|
| 66 |
ChaCha |
5,198,533 |
260 |
78 |
3
|
| 67 |
Mahalo |
5,479,759 |
240 |
142 |
6
|
| 68 |
Etsy |
6,512,116 |
190 |
260 |
5
|
| 69 |
AddictingGames |
5,732,215 |
227 |
227 |
9
|
| 70 |
Ancestry.com |
5,341,318 |
247 |
198 |
6
|
| 71 |
YouPorn |
5,651,137 |
231 |
- |
1
|
| 72 |
Travelzoo |
7,037,046 |
167 |
365 |
23
|
| 73 |
Simply Hired |
5,041,381 |
269 |
152 |
11
|
| 74 |
Manta |
5,479,292 |
241 |
232 |
8
|
| 75 |
Become |
- |
- |
268 |
-
|
| 76 |
imageshack |
5,027,402 |
271 |
164 |
4
|
| 77 |
AWeber Communications |
5,490,320 |
- |
- |
4
|
| 78 |
MerchantCircle |
5,094,486 |
- |
202 |
24
|
| 79 |
Politico |
- |
- |
275 |
56
|
| 80 |
redbox |
5,274,440 |
253 |
257 |
24
|
| 81 |
Woot |
- |
- |
278 |
68
|
| 82 |
New York Daily News |
4,959,847 |
280 |
166 |
-
|
| 83 |
Zimbio |
4,422,922 |
318 |
97 |
2
|
| 84 |
Gifts.com |
5,641,911 |
232 |
362 |
-
|
| 85 |
Tinypic |
4,493,351 |
313 |
144 |
-
|
| 86 |
JustAnswer |
4,863,237 |
- |
189 |
12
|
| 87 |
Victoria Secret |
- |
- |
300 |
22
|
| 88 |
TwitPic |
4,129,765 |
344 |
100 |
3
|
| 89 |
DiversiTee |
5,063,340 |
268 |
301 |
8
|
| 90 |
Newegg |
5,178,762 |
261 |
335 |
4
|
| 91 |
Break |
4,208,293 |
337 |
130 |
27
|
| 92 |
Drugs.com |
4,402,899 |
321 |
179 |
16
|
| 93 |
Disqus |
5,033,424 |
- |
- |
94
|
| 94 |
deviantART |
4,222,507 |
335 |
185 |
10
|
| 95 |
Project Playlist |
4,114,864 |
348 |
154 |
7
|
| 96 |
Conduit |
5,007,673 |
275 |
- |
27
|
| 97 |
LimeWire |
4,984,672 |
278 |
- |
18
|
| 98 |
Tagged |
3,675,347 |
404 |
138 |
2
|
| 99 |
ConsumerReports.org |
5,040,325 |
270 |
398 |
10
|
| 100 |
Auctiva |
4,902,992 |
283 |
- |
21
|
Sources: AreaStartups, Compete, Quantcast
|