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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 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:
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:
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:
- Google To Begin Encrypting Searches & Outbound Clicks By Default With SSL Search
- Keyword “Not Provided” By Google Spikes, Now 7-14% In Cases
- 2011: The Year Google & Bing Took Away From SEOs & Publishers
- Google’s Results Get More Personal With “Search Plus Your World”
- Google’s (Not Provided) Impacting More Than Just SEO Sites
- Firefox 14 Now Encrypts Google Searches, But Search Terms Still Will “Leak” Out
- How An iOS 6 Change Makes It Seem Like Google Traffic From Safari Has Disappeared
- Google Analytics To Add Search Query Data From Webmaster Tools
- How To Turn (Not Provided) Into Useful, Actionable Data
- Happy Birthday “Not Provided” – One Year Since Google Began Withholding Search Terms