Adserver:

Ad server a server that maintains BANNER ADVERTS for a collection of WEB SERVERS. It has a number of functions: it loads the adverts into selected WEB PAGES, ensures that a wide variety of adverts are presented, and keeps statistics on the effectiveness of the adverts in terms of the number of CLICKS that are made on them by the users of browsers.

Openx:

OpenX is a hugely popular, open source free ad server used by over 30,000 publishers in over 100 countries. With OpenX you're free to choose banners, campaigns and terms that suit you. And highly sophisticated tracking system means you can gather statistics and optimize campaigns, all from the same simple interface. The result of this flexibility and reporting means that with OpenX, you can take complete control of your advertising.

However openx embrace plenty of characteristic but at rest several modules makes, Openx interface more users friendly.

“Overlay Ad” is one of those modules.

This module is valuable for openx users and often sought by advertiser. The mod overlay display the ad in whole screen of the user’s while loading the site. The overlay ad disappearing after a short span time, user’s can set this. This mod will enhance the quality of the openx. So adservermods.com has developed this module for openx.

Why Openx users need this characteristic?

It will attract more users and will get more clicks. Because this mod will display ad in whole screen of the users, so it will be noted by users who are visiting the site. So that advertiser can attract the user through by his ad, this feature is not available in Openx. To accomplish this feature adservermods.com has developed this module for openx users.