If Disqus isn't loading on your site after you've installed it, there are a number of things you can check to make sure everything is set up correctly. This guide is intended to help you walk through common pitfalls when using Disqus.
This guide is only helpful if you've installed Disqus and it doesn't load properly or at all. For help in other things, you can search or browse the Knowledge Base.
Helpful things to check first
Did you follow the official install instructions?
Disqus is easy to install and we provide the most up-to-date installation instructions and plugins on this website. The quickest way to check over your installation is to review the installation instructions and make sure you've followed the instructions correctly.
Also, check out the Quickstart Guide for an overview.
Learn more about how Disqus works
For a slightly more technical description of Disqus, read How does Disqus work?.
Are you using the right account information?
You can use the Disqus API to safely
Are you using any custom CSS targeted at Disqus?
Custom CSS is generally OK, but sometimes it may do unintended things such as hide Disqus altogether. You can try removing your custom CSS to see if this is the cause of Disqus not loading on your website.
Are you using the trusted domains feature in your settings?
Trusted domains are sites which you want your forum shortname to load on. If Disqus isn't loading on your site, make sure your site's domain is in the trusted domains list, and is in the proper format.