Ad Server Questions, Answered

AdButler has the highest score in our 2027 guide, 9.0 out of 10. AdGlare (8.1) and Broadstreet (8.1) follow. The right pick still depends on your size and what you sell, so we also publish shortlists by buyer need.

An ad server stores your ads, decides which one to show each time a page, app or newsletter loads, delivers it, and counts impressions and clicks. Publishers use it to run the campaigns they sell directly and to decide when programmatic demand gets a turn.

Among the vendors we score with published prices, AdSpeed starts at $9.95 a month, Revive Adserver's Hosted edition at $10 a month, AdButler at $179 a month for 1M ad requests, Epom at $250 a month and Broadstreet at $299 a month. Google Ad Manager is free up to an impression threshold. Most enterprise platforms only quote.

Yes. Revive Adserver is free open-source software, though you pay to host and maintain it yourself. Google Ad Manager is free up to an impression threshold, and then billed.

A hosted, self-serve ad server can be serving ads within days if your tags and ad units are ready. Enterprise and API-first platforms usually take weeks or longer, because they need integration work or developers.

Seven criteria, each with a written rule: cost clarity (20%), time to launch (15%), support (15%), formats (15%), publisher fit (15%), integrations and API (10%) and independence (10%). The weighted average is the overall score.

Because it is the first thing buyers ask. If you cannot find out what a platform costs without a sales process, that is a real cost in time, so platforms with published prices score higher.

Yes, with planning. Run the new ad server alongside the old one on a share of traffic, move campaigns in batches, compare delivery numbers, then switch fully. Some vendors, including AdButler, offer hands-on migration help.

One whose owner does not also run an ad exchange, DSP or demand network. It has no stake in which buyer wins your inventory, so you decide which demand partners compete.

Among the ad servers we score, AdButler and Broadstreet document email newsletter ad serving. See our newsletter shortlist.

No. No vendor pays for its position, and every ad server is scored with the same written rules.

Top Ad Servers is published by Best Ad Servers LLC, which is affiliated with AdButler. AdButler is one of the ad servers we score, and it is scored with exactly the same written rules as every other vendor. No vendor pays for its position, and we update scores when products or prices change.