Fill Rate Calculator
Calculate ad inventory fill rate
Total number of ad requests sent
Number of ads successfully served
Quick Examples:
Frequently Asked Questions
What is Fill Rate?
Fill rate is the percentage of ad requests that are successfully fulfilled with an ad. It measures how much of your inventory is being monetized.
Why is my fill rate low?
Low fill rate can be caused by lack of advertiser demand, technical issues with your ad tags, restrictive filters, or slow page load times.
How can I improve my fill rate?
Use multiple ad networks, implement header bidding, reduce restrictive blocking rules, and ensure your site's target audience aligns with advertiser interests.
What is Fill Rate?
Fill rate is the percentage of times an ad was served when an ad was requested. It is a critical metric for publishers to understand inventory monetization.
How to Calculate Fill Rate
Fill Rate = (Impressions / Requests) × 100