The big search engines deliver search results that are dramatically different, according to a new study.
Only 3.6% of the top ranked organic search results were the same across all search engines for any given query, down from 7.0% in July 2005.
It also found...
- 88.3% of all results were unique to one search engine, while 8.9% were shared by two search engines.
- 2.2% of total results were shared by three search engines, and 0.6% of total results were shared by all four.
The majority of first page results were unique to one search engine:
- 69.6% of Google’s first page search results were unique to Google. For Yahoo! this figure was 79.4%, 80.1% for MSN, and 75% for Ask.com.
Paid search results also seldom overlap:
- Only 4.6% of Yahoo! and Google sponsored links overlap for a given query.
- For 22.8% of all queries, Google did not return a sponsored link. whereas Yahoo! returned one or more.
- For 9.9% of all queries, Yahoo! did not return a sponsored link whereas Google returned one or more.