Sorted:

How to fix the error ERR_ADDRESS_UNREACHABLE on a mobile device

How to generate a Certificate Signing Request (CSR)

Increase memory for PHP using .htaccess

How to force SSL (redirect) using .htaccess

Redirect all requests to www.website (or non-www)

Disable comments in WordPress

Speed up your website with gzip compression

Website infected with an IFRAME or malware script