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Reduce tag load time

Overview

The time it takes for the ad tag library script to load. This is the interval from page load to tag load.

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 ad tag library script to load. 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:

More information

The following ad tag library scripts are supported:

Library Script(s)
AdSense

pagead2.googlesyndication.com/pagead/js/adsbygoogle.js

pagead2.googlesyndication.com/pagead/show_ads.js

Google Publisher Tag .../gpt/pubads_impl_<version>.js

Avoiding Common GPT Implementation Mistakes
Tagging best practices to minimize page latency