preload only partially working
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Hello,
I have cache preload “Automatically prime the page cache” enabled for a few days now. When checking the wp-content/cache/page_enhanced fold, I notice that really all pages are there. So it seems the automatic preload is working.
Howver, a lot of them only have the html and gzip files with “_old” extension (the “_old” files themselves are generally a few hours old). Not the actual active html file itself. Only when I visit the specific page manually, this active html page appears in the cache folder.
I suppose this means my pages are considered expired before they are cached again ? How can I have the cached page live longer ? Simply by adjusting the “expires header lifetime” for html ?
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Hello Marko,
Thank you for your response !
- Purge Log is a W3 PRO feature. I am using the free version.
- I do not have ONLY _old files. It’s a mix. Some page cache folders have ONLY “_old” files. Some page cache folders have both the actual html + gzip AND “_old” files. Some page cahe folders have ONLY the actual html + gzip
- But whatever files any page cache folder has, they are all maximum a few hours old.
- I am not actively purging cache. And there are no actions taken that could trigger a purge (i.c. a post being published), I think.
My current settings for cache preload are
- automatically prime page cache: yes
- update interval 900 seconds
- pages per interval: 10
- sitemap url : the full url to the yoast generated sitemap_index
- preload post cache upon publish events: yes
My questions now are:
- I would assume that all page cache stays active until it either expires or gets purged. Is that a correct assumption ? (and if so, what triggers the expiration of a page cache ? the “expires header lifetime” ? Or something else ?)
- Is a cache purge automatically done every time the automatic cache preload cycle starts ?
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