Friday, June 29, 2012, 02:13 pm PT (05:13 pm ET)
Apple tweaks iOS App Store search algorithm again with return to keywords, namesIn the third change to the iOS App Store's search algorithm in a week, Apple has tweaked how the system weights keyword and app name metadata to allow for more accurate results but the changes could affect app SEO negatively.
First noted by Tomasz Kolinko, developer and co-founder of App Store analysts Appcod.es (via TechCrunch), the new changes bring reinstate some of the search functionality lost by last week's algorithm refresh that relied heavily on app descriptions instead of developer-supplied keyword and title data.
Kolinko noted that following last week's initial algorithm change his Love Letter Writing app, which carries "advice" keyword metadata, didn't show up when a search for "writing advice" was conducted. When the same query was executed on Friday, Kolinko's app reappeared as one of the top results, illustrating a definite reinstatement of previous search rules.
From Kolinko's blog:
The big news for the devs last week was that if your app was called Dunkin, and your keyword was Donuts, you stopped appearing for a search phrase Dunkin Donuts in the App Store Search.
For example, our app, Love Letter Writer, had advice in the keywords and the Apples search didnt show it in the results.
Until today (Friday, 29th June)
We just checked, and this rule is no longer valid. Instagram Camera shows up Instagram again, and Writing Advice shows up our Love Letter Writer again. So do othersearches [sic] that weve tested.
Search results for "writing advice."
Matthäus Krzykowski, co-founder of app search firm Xyologic, confirmed the App Store's return to keyword and title search rules and guessed that users would be seeing more changes in the future as Apple works to get a handle on the over 600,000 apps.
Its hard to read Apples cards, of course. However we are not surprised to see Apple tweaking their algorithms. App Discovery on iOS, while still better than Googles, continues to decrease, Krzykowski said. Less and less new apps and developers benefit from the current approach each month. They clearly know they need to tackle this and we are expecting them to continue to tweak their algorithm and test things out.
While the new rules and results may not be noticeable to the everyday consumer, Apple's constant tweaking is extremely important to developers who may find the search engine optimization for previously submitted apps obsolete.
It is important for the developers, though. Last week plenty of iOS devs were pushing the updates to fix their keywords, because many of them stopped appearing on the search result list," Kolinko said. "Now it seems it that the most important SEO rule is not there.
It is unknown whether the most recent change is a complete rollback or if it based on Apple's recent acquisition of app search company Chomp, but it is clear that the company is experimenting with new ways to handle the App Store's massive catalog of free and premium titles.
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