Amazon.com Inc.'s A9 search engine has dropped some of its most widely touted features, including the ability to remember everything a user has ever searched for and a service that showed detailed, street-level images of major cities.

There are two types of web sites on the Internet. The die hard SEO managers still favor static pages, because they are easier to crawl and more visible to search engines, and it is fairly easy to add a few hundred pages to a website by copying and pasting...

Les annuaires sont des outils que les utilisateurs emploient pour trouver des sites web, juste comme ils font avec les moteurs de recherche...