I have been having very slow response lately.. hosting with Hostgator...
So, ran GTMETIX and the "red" areas are
1. Leverage browser caching
2. Optimize images
For caching it give me a list of about 100 links and says..
"The following cacheable resources have a short freshness lifetime. Specify an expiration at least one week in the future for the following resources:"
Where exactly do I modify these Freshness lifetime" settings?
Also, what can I do about optimizing images? **Reinstalling over 5000 images is not an option
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