If you have troubles since the update to WordPress 4.5 please read this post before opening a new thread.
I’m using gtmetrix.com to see where I can improve the load-time of my site.
It’s saying I have some critical issues i need to fix:
1. It’s asking for the removal of query strings from static resources. (Resources with a “?” in the URL are not cached by some proxy caching servers). I didn’t add any question marks, so I’m not quite sure what this means. Is this possible to remove?
3. I have a lot of images that are missing width and/or height attributes. How can I add those?
1.) You’re using W3 Total Cache? Look for the “Prevent caching of objects after settings change” option on the browser cache settings tab.
2.) Use minifying plugins to combine all js and css scripts: http://wordpress.org/plugins/bwp-minify/
3.) The width and height attributes are not added inline because you need the site to be responsive.
http://wordpress.org/plugins/bwp-minify/ is usually what adds the question marks to static resources. There is an option in the panel for that plugin to stop doing that. If you are using jetpack, it is notorious for adding and removing lots of things. It is not done by the theme or wordpress, so one of your plugins is doing it.
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