On the back of this thread, I have managed to remove the culprits that were slowing our site down and have made a lot of progress. I'm left with one l...

I'll give it a bash. Thanks for the recommendation. I just need to figure out why Wordpress has stopped sending out all emails from wpForo and discuz.

@dimalifragis I suspected as much, so thanks for confirming so quickly. I'll install SMTP on my installation today.

New posts widget doesn’t have the option. Which widget should I use?

I found the post and removed the HTML via phpmyadmin. all working now. Will watch out for dodgy HTML embeds.

@chris, I'll give it a bash.

@chris , I can't click edit anywhere on the post, including the first post. Can I find the dodgy code if I find the post in phpmyadmin?

@tutrix thank you. That worked perfectly.

@Robert that worked perfectly. Thank you.