Original Research & Studies5 min read
The Most-Cited Domains in AI: A 3-Month Study
We studied the domains most frequently cited by AI tools and found a significant drop for Reddit and Wikipedia. See the research.
Original Research & Studies
Stay on top of the SEO industry with original research and studies. Here are the latest data-backed resources.
Original Research & Studies7 min read
Do Backlinks Still Matter in AI Search? Insights from 1,000 Domains [Study]
We analyzed 1,000 domains to uncover how backlinks influence AI-generated answers. The verdict: quality and authority drive visibility in AI search.
Original Research & Studies10 min read
We Analyzed 26K Quora URLs Cited in Google AI Mode: Here’s What Works
We analyzed 26,000 Quora URLs cited in Google AI Mode and partnered with Quora’s team to uncover the patterns behind content that surfaces in AI answers.
Original Research & Studies3 min read
ChatGPT Is Not Replacing Google—It’s Expanding Search [Study]
New research shows ChatGPT is not replacing Google Search—usage remains steady post-ChatGPT adoption.
Original Research & Studies4 min read
SEO Split Test Result: Adding Departure Location and Destination Keywords to the H1
We added departure location and destination keywords to the H1 to the product pages on a travel website. Read more to find out the result.
Original Research & Studies2 min read
Top YouTube Searches
We‘ve compiled the top YouTube searches of 2022. Get the YouTube search insights you‘re looking for.
Original Research & Studies2 min read
Top 100: The Most Visited Websites in the US [2025 Top Websites Edition]
This post uncovers the top 100 most visited websites in the US, deep-diving into a few industries — Media, Retail, and Streaming Services — that show the biggest position changes.
Original Research & Studies6 min read
SEO Split Test Result: Shortening Title Tags on Product Pages
Title tags are an important part of on-page SEO because they help search engines understand the content of a webpage and its relevance to a user‘s search query.
Original Research & Studies6 min read
SEO Split Test Result: Title Tags for the Holiday Season
We changed the title to “Best XX Gift Ideas” on the pages of an online marketplace site. What do you think the result of this test was? Read this short case study to find out.
Original Research & Studies4 min read
SEO Split Test Result: Adding the Category Name to Product Page Titles
We added the category name to product page titles on the ecommerce site. Read more to find out why.