The cost of each keyword is related partly to its popularity in Etsy searches, however Etsy adds:
Etsy’s search technology sets keywords and prices based on Etsy sellers’ use and historical search data. One of those points is the popularity of the search, but others have to do with how many searches lead to purchases, average pricing of those purchases, etc. So it’s not as simple as which searches are most popular in terms of keyword pricing.This is valuable information. Etsy is actually giving sellers a little peek behind the curtain and providing some data on the value of various keywords. Even for sellers who are not using search ads, this list can provide some guidance when choosing titles and tags for their items.
So what are the most valuable keywords? Not surprisingly, perhaps, brand names like Versace, Givenchy, Hermes and Louis Vuitton are in the top tier. Football teams like the Buffalo Bills, Cleveland Browns and Indianapolis Colts are apparently popular search subjects at Etsy.
There are some surprises, too. "Hanky" and "grandpa" are valuable keywords. So is "file cabinet." Some valuable terms are obviously seasonal, like "pumpkin hat" and "macabre."
At the bottom of the list are keywords like "scrapbooking,""invitation," and "soap." These general words are still important for identifying an item, but not terribly powerful as search keywords because they are so common.
A seller who is choosing tags and titles for her items can use this information to compare the quality of certain keywords. For example, a cake decoration for a baby's birthday cake might be tagged "cake decoration" or "baby birthday." Checking Etsy's search ads keyword list shows that "baby birthday" is in the top tier of keywords and is one of the most valuable keywords. "Cake decoration," however, is one of the least valuable.
The importance of using two-word phrases when appropriate is clear from Etsy's list of keywords. "Necklace" is not a very valuable keyword, but "starfish necklace," "elephant necklace" and "acorn necklace" are among the more valuable. "Dress" is a cheap keyword; "1950s dress" is of a higher quality.
Here is the list of 6,026 current search ad keywords sorted first by cost per thousand, then alphabetically, as of October 4, 2011. The keywords and their costs will change over time