1) Change browsers.
2) Change the "do not track" setting in your browser. If it is "ON", turn it "OFF". And vice-versa
3) Install a new font to your computer.
4) Change the screen resolution to a different value.
5) Change the font scaling from 100% to some other value.
6) Remove or add a new plug-in to your browser.
Changing any one of these items may change your computer "fingerprint" and make it look like a different computer to the trackers.
As others have mentioned, you also need to clear all cookies from your browser.
Thanks for the suggestions. I may try some of them out. Don’t want to go to too much trouble just to get back on the website though.