I'm running a couple of servers with ISPConfig installed on them. Now one of the servers has had very high CPU load for the past week or so... Two WooCommerce sites on that server seem to use the most of the CPU and memory. The other has taken 13% of CPU and 604 MB of memory and the other 7% of CPU and 326 MB of memory as an average for the past 12 hours according to Linode Longview statistics. The first site with bigger CPU load takes about 150 website hits per day and the other takes about 100 hits per day. So it's not that much... BUT it seems like Apache is getting one request per second during the working hours. First I thought the problem would be the seemingly slow WP theme used on both sites, but I've now changed the theme on both sites with no effect on the CPU load. I'm using Linode 2 GB plan with 2 GB RAM & 1 CPU Core [Intel(R) Xeon(R) CPU E5-2680 v3 @ 2.50GHz]. So my question is: Is there something wrong with my config or should I just upgrade my Linode plan?