We’ve shared in the past how revenue sources such as advertising and site sponsorships are important because they allow us to reinvest back into the community. Historically, we’ve had strict guidelines against any animation in ads. As a result, we’ve walked away from some opportunities in the past that would have provided some additional revenue for the network. We wanted to see if there was a way to open up more opportunities for us to work with advertisers without sacrificing the quality of the experience on the platform.
So, this fall, we expanded the open auction advertising experiment to more sites on the network. In addition, several experiments have been conducted with lightly animated ads on Stack Overflow and other network sites to see if they would distract from the overall platform experience.
We define lightly animated ads as:
- Animation time does not exceed 15 seconds
- Looping is limited to 3x
- Rich Media animation is NOT allowed (Pushdown, expandable, rollovers, etc.)
We continue to be committed to making the advertising experience on the Stack Exchange Network as valuable to users as possible. We work closely with advertisers to ensure we are showing relevant ads within relevant content, and to ensure creative formats do not disrupt workflow. None of that changes with these updates. We also draw a firm line in the sand that heavily animated ads that would distract from the user experience are not permitted within the Q&A experience.
Current Advertising Guidelines
To demonstrate our commitment to a positive user experience, advertisements on Stack Overflow and the Stack Exchange network must meet the following criteria:
- Distinct from Stack Overflow/Stack Exchange content and must not mimic content on the site
- Ads with a white or light background must include a dark 1 pixel border that clearly distinguishes the ad from the content
- Creative formats are restricted to images and light animation (new)
- We do not accept pop-ups, expandable ads, rollover ads, floating ads, or other multimedia ads
- Logos or brand names of advertisers must be clearly visible
- Text on creative assets must be clearly legible
- Calls to Action (CTAs) must be clear and not misleading
- Creative messaging and landing pages must match. Ads can’t talk about one thing and the landing page another
- Advertiser landing pages must be mobile-friendly
- Any claims or comparisons made within the creative must be accurate and verifiable
- Proof, complete with source and date of the evidence, must be shown on the creative or landing page
- Stack Overflow allows wraps for IAS, MOAT, and Double Verify tags*.
- Retargeting pixels* are allowed for a limited number of vetted and pre-approved Programmatic partners
Stack Overflow reserves the right to pause or cancel a campaign if creatives are not in compliance with our ad specifications. Per IAB terms and conditions, Stack Overflow reserves the right to reject ads that are deemed inappropriate for the space, given the types and themes of content, including content type and audience.
If you feel an ad goes against our guidelines in any way, we encourage you to report the ad using the Report This Ad flag found on every display banner across the network.
*To opt out of tracking for advertising purposes, update your cookie settings/preferences.

