Here is what I know about the search engines
Fotolia
changes too often. But order of keywords plays into it
Once it was number of keywords, now I do not know anymore
Dreamstime: as just mentioned number of similar keyword in title, description and keywords
iStock:
-Strong on age.
-Popularity dls/time
-Size
-exclusivity? Might be connected to the longer review time fornon-exclusives.
Stockxpert
-Very strong on dls and views
-Age plays a factor as well
Shutterstock
- very strong popularity dls/time
- Age: buyers looking very strong for new images. If your imagefails there, it might never be popular
Most stable is Dreamstime and Stockxpert. No change there for along time.
