If you are using the "WP Fastest Cache" plugin, you may encounter some issues with FunnelKit when running the funnels.
This is due to aggressive page caching (which is a good thing!), but it can be easily resolved by excluding the offer page URL from the cache plugin.
You need to exclude offer pages by following these instructions:
Step 1: Note down the slug of your offer page from the general settings
Step 2: Open the settings of "WP Fastest Cache"
Step 3: Jump on the “Exclude” tab.
Step 4: Click on the “Add New Rule”
Step 5: Select "contain" as shown below from the dropdown and enter your noted offer page slug (from step 1)
The final setup like this ->
Step 6: Click on Save button to close this popup and exclude the offer page from cache.
Here the final settings you saved:
By default, the upsell pages slug is "offer". If you had changed the offer pages slug for any reason get the slug from FunnelKit > Settings > General > Permalinks
