In preparation for that launch, Google has started showing advertisers their metrics for the landing page load time for each keyword’s landing page. Here is a picture of what an okay landing page load time score would look like:
How do you see it?
(1) Sign in to your account at https://adwords.google.com. (2) Click a campaign. (3) Click an ad group. (4) Click the ‘Keywords’ tab above the Ad Group Details table. (5) Click the magnifying glass icon beside any keyword and then the ‘Details and recommendations’ link to launch the Keyword Analysis page. You can also see an overview of your Quality Score and ad visibility by pointing your cursor over the icon.
For tips on improving your landing page load time, see this help document from Google.