Apologies for the late reply, but the actual guide is here: The Carnival - A Guide to Pets
However, if you just want Grimtools links for every 10 levels, you can also find it in thesecond post of this thread.
If you have any further questions, let me know 
Grimtools is working fine on my end. Same for cloudflare. So, I am not sure what is causing your issue.
But perhaps this might help for now:
