client-side
One site & nb p; & mda h; two servers?
In most cases, the placement of the site is as follows. All information is hosted on the server. In the future, requests from the user’s computer using the DNS system are sent to this server, which responds with all the necessary data. However, in some cases this scheme is very complicated. To do this, a copy of the site is placed on one or more servers, and a special module (load balancer) sends requests from users’ computers to the least loaded one. Continue reading
Web Services & nb p; 2.0: Flickr
Every day, Web 2.0 services are becoming more and more. There are even those who have achieved amazing results, and their value is expressed in millions of dollars. The leader among the encyclopedias is Wikipedia. If bookmarked, then delicious. The blog posting service is Blogger.
If a social network, then MySpace. If the service for working with photos, then, of course, Flickr.
We haven’t written much about Web 2.0 services. Continue reading
What is contextual advertising
It’s no secret that search engines provide the highest quality traffic on the modern Internet. And indeed, people who find a website for search queries, in most cases, know exactly what they need, and are sure that they will find it on this server. However, to make such a way of promoting a web project really effective is very, very difficult. To do this, your link takes one of the top lines in the search results for some keywords. There are even companies on the Internet that specialize in website optimization. Continue reading