For webmasters receiving very few visitors from search engines like Google, they have noticed a significant decline in the text link advertising revenue as various methods are used to sabotage the webmaster to reduce the revenue. Earlier almost 80% of the inventory available for selling text link advertising would be used for displaying advertising, now most text link ad networks are not able to use even 30% of the inventory available.

Some ad network which use automated methods to place text link advertisement are finding that the ads that they place are not visible or do not appear on the publisher websites. In india large ISPs have been blocking certain text link advertising network without a valid reason.