In siggies, for not-for-profit sites.
In general, sites that are free to access cover their expenses from other sources - and these other sources are, usually, mainly advertising.
They get their income from the same source as most web-sites... advertising on behalf of other companies !
Cellbazaar is a classifieds site for buying, selling and advertising cars, mobile phones, houses and other products in Bangladesh. The difference between Cellbazaar and other classified sites is that it is only a mobile site.
"Digital advertising has become one of the best ways to target a particular audience, based on the sites the consumer visits. It is much more immediate than many other types of advertising, and can potentially spur immediate purchase behavior."
Guidelines for advertising on the net varies from site to site, so it depends on what it is that is being advertised. All of the search sites have advertising opportunities. Most sites offer banner adverts at a cost. There is also the option for social media sites, offering multiple ways to advertise.
Advertising management software can be purchased from companies, such as WorkaMajig and SmartAdsServer. There are also sites that have advice on advertisement management, these sites include Inc, eHow and WikiHow.
There are sites online that offer free advertising. Some of these sites include Adleaf, Email-Hog, Link Referral, My Networking Pro and and Traffic Swarm, just to name a few.
There are many sites on the internet that contain information about mobile advertising. One such site is Google Adwords. This is a company where you can also purchase mobile advertising.
News about the advertising industry can be obtained through magazines, blogs, and social sites. Newspapers can also direct someone to the advertising information they are looking for.
Like many web-sites, this one is funded by advertising.
Advertising for free English bulldogs could be posted on an online forum such as Craigslist, or other classified sites. Alternatively, ads could be posted on pages for rescue organizations, or through an English Bulldog club.
A great way to advertise your website on other sites is by first searching for other sites within your category. Most websites usually have a place and you can upload your own banner ad. Another great way to advertise is by joining webrings of sites with similar interests or doing a link exchange with one another.