Hey Christian,
For Moodle hosting, few of friends suggested me to go for the Cloud hosting as there are so many features and assistance in this platform. It enhance response times with top caching tools like Memcached, Redis and Varnish, all pre-configured in this managed Moodle Hosting.
WeBWorK Main Forum
Any Moodle hosting providers also provide Webwork integration? SageMath?
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