AI-generated Key Takeaways
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This metric measures the time it takes for the first ad request to be made after the tag loads.
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Reducing this time improves ad performance, and can be achieved by addressing related audits like ad request waterfall and avoiding bottleneck requests.
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The first ad request is identified by requests made to specific hosts and paths associated with AdSense or Google Publisher Tag.
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While not indicative of a specific problem, it's a useful metric to track and improve to optimize ad loading times.
Overview
The time it takes for the first ad request to be made. This is the interval from tag load until the first ad request is issued.
Recommendations
This metric is not indicative of a specific issue. It should be used to help identify areas for improvement and track that improvement over time.
The goal here is to reduce the time it takes for the first ad request to be made. Ensuring that other, more specific audits are passing should have a major impact on this metric. In particular, the following audits are likely to affect this time:
- Ad request waterfall
- Avoid bottleneck requests
- Avoid long tasks that block ad-related network requests
- Avoid waiting on load events
- Load GPT and bids in parallel
- Parallelize bid requests
More information
This metric identifies "first ad request" as the earliest recorded request to one of:
| Library | Host | Path |
|---|---|---|
| AdSense | googleads.g.doubleclick.net |
/pagead/ads |
| Google Publisher Tag | securepubads.g.doubleclick.net |
/gampad/ads |
Avoiding Common GPT Implementation Mistakes Tagging best practices to minimize page latency