If you are having problems with or questions about the cache-warmer, please do not hessitate the contact us at

We have listed the most common problems on our FAQ page.


If you have a firewall that blocks repetitive requests, you will need to white-list our ip-address to use the cachewarmer. You can also recognize the requests by the user-agent, which is 'cache_warmer'.

Our IPv4 is :

We are migrating to a new server on the 15th of December 2017. The new server IPv4 is:

Google analytics

To make sure we stay out of your traffic reports, you can create a filter on user-agent.
The cache-warmer user-agent is cache_warmer.

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