Denis Ryabov
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Try PageSpeed Ninja 0.9.30 and disable merging for https://scripts.tracdelight.com/tracdelight.js?… (see “Manage Javascript URLs” in the Troubleshooting section of Advanced tab on the PageSpeed Ninja settings page).
There are clear cache buttons in the Troubleshooting section of Advanced tab.
Alternatively, you can disable the plugin and clear content of following directories (relative to website root):
/wp-content/plugins/psn-pagespeed-ninja/cache
/wp-content/plugins/psn-pagespeed-ninja/ress/cacheTry PageSpeed Ninja 0.9.29.
@nickbroekarts Try PageSpeed Ninja 0.9.29.
It may be that you cleared “Page Cache” prior to clearing “Cache” (or clearing “Cache” only, without clearing of “Page Cache” at all). This issue will be fixed in 0.9.29, but currently it is recommended to clear “Page Cache” after clearing “Cache”.
I would guess “just wait for a quarter” correlates with default cache time-to-live of 15 minutes. It is set to such a low value for safety reason and we are going to increase it in next release (most likely to 1 day, but keeping 15 min for the “safe” preset). And it worth nothing to increase this value in Advanced settings.
Note that Google’s PageSpeed Insight scores are sensitive to response time and usually it is the value that results in fluctuation of resulting score. You can test your website on https://developers.google.com/speed/pagespeed/insights/ to see what exactly gives degradation.
We are working on improving of caching subsystem in PageSpeed Ninja. In previous versions we introduced automatic invalidation of page cache after posting new content to the website, in recent 0.9.27 release there is a new experimental caching layer to skip full page optimization if page content is not changed, etc.
PS. Do you use “Optimal” or other preset? Note that “Ultra” and “Experimental” presets in some cases may increase optimization time because of enables almost all possible page post-processings. As to translations, welcome to https://translate.wordpress.org/projects/wp-plugins/psn-pagespeed-ninja, and as to development, currently sources are hosted at https://plugins.trac.wordpress.org/browser/psn-pagespeed-ninja/trunk that is default repo for WordPress plugins, but not so handy for distributed development.
1. Do you have a 3rdparty caching plugin?
2. To be sure, try to refresh page in browser (Ctrl+F5).Fixed in 0.9.26
Fixed in 0.9.27
Thank you!
It is the feature, because of any changes in source files result in new file name in the “s” directory (e.g. 261e69.js in your examples), and cache validation is not necessary in this case. This allow to save several useless requests to the server.
Русский перевод, конечно, будет (в какой-то момент времени он был 100%, но плагин быстро шагает вперед, появляются новые функции, и не всегда есть время на перевод). И “the best” тоже будет (а если есть конкретные предложения – пишите на hello собака pagespeed.ninja).
Could you enable error logging in the Troubleshooting section of Advanced tab at PageSpeed Ninja settings page, reload page with issue, disable error logging, and check for possible warning messages in wp-content/plugins/psn-pagespeed-ninja/includes/error_log.php?
And which HTML Parser option do you use?
We have reproduced the issue. “Minify CSS Method: RESS” optimization works correctly, and others will be fixed in next release.
Just to be sure, what does style.css contain exactly: “url(/wp-content/…”, “url(wp-content/…”, or “url(images/…”?