Check out the website here:
https://www.btcforkmonitor.info/This is a website that I put together over the weekend in preparation of potential BIP 91 activation and BIP 148 activation. If the site detects a chain fork, there will be a big red alert at the top saying as such. Each node will also include the block hash and height at which the chain that it is following diverged from another node's chain. In the event of multiple chain forks, the most recent one will be shown for each node.
The website will consider any chain split of 2 or more blocks deep as a chain split. This is to avoid cases of orphaned blocks and of latency between the nodes.
The website will update its data from the nodes every 10 seconds. However you will need to refresh the page to see if there has been any changes.
The source code for this website is available at
https://github.com/achow101/forkmon. Pull requests are welcome.
The website and its source code is licensed under the MIT License.