The automated procurement and evaluation of further data material only took place at Yahoo later with the support of crawlers. Search engine optimization(SEO) is also possible for Yahoo's search engine.
According to Wikipedia, Yahoo offers the following services in addition to a search engine:
- AlltheWeb (discontinued on April 4, 2011)
- AltaVista (discontinued in July 2013)
- Delicious (sold in mid-2011)
- Flickr
- MyBlogLog (discontinued on May 24, 2011 and replaced by Yahoo Pulse)
- Tumblr
- Upcoming
Further references:
https://de.wikipedia.org/wiki/Yahoo
https://www.was-war-wann.de/geschichte/yahoo.html
The following video provides a historical overview of the development of Yahoo:
The technical terms are a free service of your internet agency arocom from Stuttgart.