Hi
I have been using this plugin on my website without any problems for three years now.
But, after the recent update to version 4.3.1 of the plugin, it has started making the website down as the requests which are now generated by it are handled by PHP instead of cache.
I got this message from my webhost after I discussed the issues with them -
"The arguments for _wpcf7_request_ver are unique, and so cause the request to miss the cache and be handled by PHP. Chances are this is a deliberate method used by the Contact Form 7 plugin, but it's not clear why or if it is really necessary for it to bypass the request cache. If the plugin can be reconfigured to not make these requests, it will improve the cache hit ratio for your server and lower load."
I request the developer to see this and make the changes in the upcoming plugin version so that I can continue using this plugin without any trouble. Otherwise, I will have to switch to some other contact plugin, which I don't want.
Thanks