Advertisers are panicking about them. Permanent Record. Acceptable Ads are transparent with us about being an ad. But a number of users NOT using an ad blocker is so big that the amount of ad block users barely makes a dent. Websites going against Adblock Many websites have opted to oppose ad block services by asking users to switch off the extension. So you need high numbers of viewers first, to have enough of them bothering to click on your ads.