Study: 39% Of Google Search Referrers Now “Not Provided”

It is just over a year since Google began encrypting search by default for signed-in users. A new study finds that as a result, 39% search-related traffic from Google to web sites now has search terms withheld. Optify conducted a study over eleven months with 424 web sites, involving 17,143,603 visits and 7,241,093 referring keywords, to see […]

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google-not-providedIt is just over a year since Google began encrypting search by default for signed-in users. A new study finds that as a result, 39% search-related traffic from Google to web sites now has search terms withheld.

Optify conducted a study over eleven months with 424 web sites, involving 17,143,603 visits and 7,241,093 referring keywords, to see how serious the “not provided” issue is.

“Not Provided” is what Google Analytics shows in cases where Google no longer reports a search term due to encryption (other analytics programs may use other phrases).

The study found that 39% of terms are withheld:

39 Not Provided

The study also found that 13% of companies see rates at high at 60% of terms being withheld. Here’s a breakdown, which shows that most are in the 35% range:

30 50 Not Provided

The study is available through Optify’s press area.

To understand more about why Google withholds terms and some of the impact this has had on search marketers, see our one-year retrospective story:

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About the author

Barry Schwartz
Staff
Barry Schwartz is a technologist and a Contributing Editor to Search Engine Land and a member of the programming team for SMX events. He owns RustyBrick, a NY based web consulting firm. He also runs Search Engine Roundtable, a popular search blog on very advanced SEM topics.

In 2019, Barry was awarded the Outstanding Community Services Award from Search Engine Land, in 2018 he was awarded the US Search Awards the "US Search Personality Of The Year," you can learn more over here and in 2023 he was listed as a top 50 most influential PPCer by Marketing O'Clock.

Barry can be followed on X here and you can learn more about Barry Schwartz over here or on his personal site.

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