The document compares the top 10 comparison shopping engines based on e-commerce revenue, percentage of conversions from only that source, order of appearance when sources overlap, and revenue per click. Google and Shopping.com generate the majority of e-commerce revenue at 45% and 11.6% respectively, while TheFind and Bizrate have the lowest overlap and appear first most often when sources overlap.

1. Top 10 Comparison
Shopping Engines
© Convertro, Inc.

2. Top 10 Comparison Shopping
Engines
E-commerce Revenue
Shopzilla PriceGrabber
11.6% 11.2%
Shopping.com Bizrate
Nextag 9.1% 3.2%
14.4%
Become
2.5%
Pronto
2.1%
Bing
Google 0.8%
45% TheFind
0.1%
2
Source: Convertro – November 2012

3. Top 10 Comparison Shopping
Engines
Least Overlap (% Only Source)
100%
% Only
90% 26% 26% 24% 24% 23% 21% 21% 18% 18% source
80% 38%
conversions
70%
60%
50%
40% %
30% Conversions
20% with source
overlap
10%
0%
Shopzilla
Pronto
BizRate
TheFind
Shopping.com
Become
PriceGrabber
Nextag
Bing
Google
3
Source: Convertro - November 2012

4. Source Order – Where the Top 10
CSEs Tend to Fall When
Overlapping
100%
% First
90%
click
80%
70%
60%
50% 31% 39% 42% 42% 42% 44% 45% 47% 50% 55% %
40% Middle
30% click
20%
10% % Last
0% click
Shopzilla
Pronto
BizRate
TheFind
Shopping.com
Become
PriceGrabber
Nextag
Bing
Google
4
Source: Convertro - November 2012

5. Top 10 Comparison Shopping
Engines
Revenue Per Click (Revenue/Visits)
$3.50
$3.00
$2.50
$2.00
$1.50
$1.00
$0.50
$-
TheFind
Bing
become
bizrate
Google
Shopzilla
Pronto
PriceGrabber
Nextag
Shopping.com
5
Source: Convertro - November 2012