{"action":"created","issue":{"url":"https://api.github.com/repos/apache/incubator-pagespeed-ngx/issues/1574","repository_url":"https://api.github.com/repos/apache/incubator-pagespeed-ngx","labels_url":"https://api.github.com/repos/apache/incubator-pagespeed-ngx/issues/1574/labels{/name}","comments_url":"https://api.github.com/repos/apache/incubator-pagespeed-ngx/issues/1574/comments","events_url":"https://api.github.com/repos/apache/incubator-pagespeed-ngx/issues/1574/events","html_url":"https://github.com/apache/incubator-pagespeed-ngx/issues/1574","id":336330229,"node_id":"MDU6SXNzdWUzMzYzMzAyMjk=","number":1574,"title":"prioritize_critical_css 5 minutes clarification ","user":{"login":"brianbest","id":2073148,"node_id":"MDQ6VXNlcjIwNzMxNDg=","avatar_url":"https://avatars3.githubusercontent.com/u/2073148?v=4","gravatar_id":"","url":"https://api.github.com/users/brianbest","html_url":"https://github.com/brianbest","followers_url":"https://api.github.com/users/brianbest/followers","following_url":"https://api.github.com/users/brianbest/following{/other_user}","gists_url":"https://api.github.com/users/brianbest/gists{/gist_id}","starred_url":"https://api.github.com/users/brianbest/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/brianbest/subscriptions","organizations_url":"https://api.github.com/users/brianbest/orgs","repos_url":"https://api.github.com/users/brianbest/repos","events_url":"https://api.github.com/users/brianbest/events{/privacy}","received_events_url":"https://api.github.com/users/brianbest/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":8,"created_at":"2018-06-27T17:56:54Z","updated_at":"2018-06-27T20:16:11Z","closed_at":null,"author_association":"NONE","body":"Hey all, I'm looking for some information on how `prioritize_critical_css` works and why. I've seen some other issues (https://github.com/apache/incubator-pagespeed-mod/issues/1767 , https://github.com/apache/incubator-pagespeed-mod/issues/1311) in regards to the time to live for the inline CSS and I'm just trying to wrap my head around this. Is there a reason that the time to live for prioritize_critical_css on pages is set to 5 minutes? Am I losing something by setting that to a longer value?"},"comment":{"url":"https://api.github.com/repos/apache/incubator-pagespeed-ngx/issues/comments/400814633","html_url":"https://github.com/apache/incubator-pagespeed-ngx/issues/1574#issuecomment-400814633","issue_url":"https://api.github.com/repos/apache/incubator-pagespeed-ngx/issues/1574","id":400814633,"node_id":"MDEyOklzc3VlQ29tbWVudDQwMDgxNDYzMw==","user":{"login":"njakobsen","id":87623,"node_id":"MDQ6VXNlcjg3NjIz","avatar_url":"https://avatars2.githubusercontent.com/u/87623?v=4","gravatar_id":"","url":"https://api.github.com/users/njakobsen","html_url":"https://github.com/njakobsen","followers_url":"https://api.github.com/users/njakobsen/followers","following_url":"https://api.github.com/users/njakobsen/following{/other_user}","gists_url":"https://api.github.com/users/njakobsen/gists{/gist_id}","starred_url":"https://api.github.com/users/njakobsen/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/njakobsen/subscriptions","organizations_url":"https://api.github.com/users/njakobsen/orgs","repos_url":"https://api.github.com/users/njakobsen/repos","events_url":"https://api.github.com/users/njakobsen/events{/privacy}","received_events_url":"https://api.github.com/users/njakobsen/received_events","type":"User","site_admin":false},"created_at":"2018-06-27T20:16:10Z","updated_at":"2018-06-27T20:16:10Z","author_association":"NONE","body":"What I was hoping to get clarification on was when a Pagespeed cache entry is stale, is there a reason it _must_ serve a page without the optimization even when the underlying page has not changed? Can it not be stale, notice the underlying page has not changed, then mark itself fresh again and serve up an optimized page without the need for reinstrumenting on the next two page loads."}}
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