URGENT – What has happened to my site?

did you do anything prior to it changing? Has it always looked like this? when did it change?

you have a buncha validation errors
https://validator.w3.org/check?uri=http%3A%2F%2Fwww.goallover.net%2F&charset=%28detect+automatically%29&doctype=Inline&group=0

those can hurt things

Just in case, try the usual troubleshooting, which is to deactivate all plugins, and switch to the default theme. See if things go back to normal, then activate the plugins one by one.