One of the more time consuming parts of an import is looking up data to update. Naively, it is possible to use the PageCriteriaQueryService to query a each page, one at a time as it is needed. While this does work, it can add significant overhead ...

Saving to the Optimizely database is generally the most time consuming part of an import. The import can be sped up by saving as infrequently as possible. The first time the import is run, it will be a worst case scenario as every item needs to be...