Mintegral Creative Best Practices
1.Best Practices
a.Learning Phase
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*Learning Phase generally refers to the first three weeks of the offer delivery.
i.It is recommended to prepare full sizes of creatives according to Mintegral Creative Specs to cover more ad types and help you get the most out of your creatives and grow your user base faster. 
ii.It is recommended that you apply the creatives to the corresponding creative sets according to the theme/language/duration/gameplay method, etc. based on the actual delivery needs. If you divide the creative sets by language, you can group English creatives into one creative set (targetting English-speaking countries), Spanish into one set (targeting Spanish-speaking countries), and Portuguese into one set (targetting  Portuguese-speaking countries).
iii.If you do not have specific creative classification and creative testing requirements, it is recommended that you create 1 creative set at the beginning of delivery. It is recommended to upload 3-5 sets of video creatives (horizontal + vertical), 3-5 images (of which 1200x627 size is required), and 1-2 playables to the creative set.
iv.In the early stage of delivery, please do not upload too many creatives at one time. Too many creatives will affect the learning speed of the algorithm in the initial stage, reduce the effectiveness of each creative data model, and thus lead to limited scale. Do not upload creatives multiple times within 3 days. If you need to test creatives, you can iterate the creatives for testing after the overall delivery situation is stable;
v.It's important to apply playables alongside your videos, since they provide a different user experience, will target and convert a wider variety of users, and bring added value to your UA activities.
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b.Stablized Phase
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*Stablized Phase generally refers to 3 weeks after the offer is launched. 
i.It is recommended to iterate creative sets every 2-4 weeks and retain those well-performing ads. If there are too many non-performing ads in the offer, you could remove the ads with few impressions.
ii.For ads that have been uploaded to the Mintegral system and have been approved for 5-7 days, if Mintegral cannot automatically generate significant volume, you could try deleting and re-uploading them.