When comparing dogpile vs Metager, the Slant community recommends Metager for most people. In the question“What is the best alternative to Google search?” Metager is ranked 3rd while dogpile is ranked 15th.
Ranked in these QuestionsQuestion Ranking
Pros
Pro Shows content from all major search engines
When you search using dogpile, it brings up content from many search engines to make sure you get what you're looking for. Some of the search engines it uses are Google, Ask, MSN, and Yahoo, and it aggregates content from all of them to display for you.
Pro Open source
Pro Allows to visit search results anonymously
Pro Run by a non profit organisation dedicated to privacy and data protection
Pro Tor network service
Gives access within Tor.
Pro Supports easy search in open-street-map
Locations can be shown on open-street-map.
Pro Really fast
It displays only what you need and no more.
Cons
Con Half of the page is ads
When searching, nearly half of the results page is ads. There are 3 ads up at the top, an ad in the middle of the actual results, and 3 more ads at the bottom.
Con Extremely slow with results
Con Uses only Bing and Ecosia results
The latter of which could be their own crawler.