Blog search engines

Technorati is a search engine and a publisher advertising platform. Technorati launched its ad network in 2008. In 2016, Synacor acquired Technorati for $3 million.

blog search engine

Bloglines was a web-based news aggregator for reading syndicated feeds using the RSS and Atom formats. Users could subscribe to the syndicated feeds for free using a web browser. Bloglines offered an application programming interface that maintainers of web could use to write software to read feeds, search its database of feed entries, and ping the service when a website was updated. Bloglines became unavailable in early 2015.