AI Overviews are expanding across commercial intent search [Study]
Google’s move to extend AI Overviews into a wider variety of SERPs is disrupting not only informational searches, but also searches with commercial intent and advertising value.
Original Research & Studies
Stay on top of the SEO industry with original research and studies. Here are the latest data-backed resources.
Only 25% of cited sources overlap between ChatGPT's different reasoning modes [Study]
Most AI visibility strategies treat ChatGPT as a single system. Our research found that‘s a mistake. Thinking mode and Instant mode cite different sources, favor different content, and can recommend different brands for the exact same prompt. Here‘s what marketers need to know.
ChatGPT traffic analysis: Insights from 17 months of clickstream data
Discover how ChatGPT is reshaping search habits and web traffic patterns. Analysis of clickstream records reveals changing user behaviors and referral trends in AI-driven search.
We Analyzed 89K LinkedIn URLs Cited in AI Search: Here's What Drives Visibility
What makes LinkedIn content appear in AI answers? Our analysis of 89K cited URLs reveals what AI models trust—and how brands can win visibility.
Does Adding Updated and the Year to Your Title Tag Help with Organic Traffic?
Want to know if having the text “(updated)” and the year at the beginning of the title would make people more likely to click on an organic result? Check out the test.
SEO Split Test Result: Adding Keywords to One or Two Word Title Tags
We decided to see if adding keywords to location tags is a guaranteed SEO win. Read to find out.
SEO Split Test Result: Adding Unicode Characters to the Meta Description
Using special characters or emojis in page titles and meta descriptions always generates a lot of discussion within the SEO community. “Is it advisable to use them?”, “Is it good or bad for your SEO performance?“.
SEO Split Test Result: Adding H3 Tags to Products Names on Ecommerce Category Pages
For one of the largest ecommerce parties in the Netherlands, OrangeValley wanted to test if adding headings to the product names of the listed products on ecommerce category pages would have a significant impact on organic traffic.
Split Test: Removing Duplicate Title Tags (HTML Element)
Learn more about the test result from the most recent case study published by SplitSignal: “Deleting Duplicate HTML Titles” on an eCommerce site.
SEO Split Test: Do CTAs in Title Tags Help Search Results?
We added an “order” call to action to the title of some pages on a food ordering site. Check out the result of this SEO split test.