AI bots power some of the most advanced technologies we use today, from search engines to AI assistants. However, their increasing presence has led to a growing number of websites blocking them. There’s a cost to bots crawling your websites and there’s a social contract between search engines and website owners, where search engines add…
We analyzed 900,000 newly created web pages in April 2025 and found that 74.2% of them contained AI-generated content. At Ahrefs, our machine learning team has built an AI content detector (codenamed bot_or_not). We’re about to release the AI content detector for Ahrefs customers to use, so we decided to put it through its paces…
According to Google, AI Overviews (AIOs) had over 1.5 billion users a month in Q1 2025. That would be 18.3% of all the people on the planet or 26.6% of all internet users. That’s a massive reach. In traditional Ahrefs fashion, I wanted to do the largest data study ever done on AIOs to see…
Back in 2017, we conducted a study to answer a simple yet important question: How old are the top-ranking pages in Google? The results were eye-opening and became one of our most-referenced data studies. Clients and stakeholders often ask, “How long till my website (page) ranks on top of Google?” You could say “it depends”…
The cybersecurity industry is growing fast, with both new and established players competing for attention. Many new AI-led security innovations are also sweeping the market. Using Ahrefs’ website growth data, we’ve found the 40 fastest-growing cybersecurity companies of 2025 based on estimated year-over-year (YoY) organic traffic growth. We analyzed 4,300+ global cybersecurity companies and filtered…
The EdTech industry is expanding rapidly, with a global market projected to reach $354.71 billion this year. From AI tutors to classroom management platforms, both new startups and established players are racing to capture attention and market share. Using Ahrefs’ website data, we’ve found the top 50 fastest-growing EdTech companies of 2025, ranked by estimated year-over-year…
Lately, we’ve heard murmurings that Google’s March Core Update has led to an uptick in AI Overviews¹ ² This chimes with what we’re seeing in Ahrefs Brand Radar, our new marketing intelligence tool which lets you track your brand presence in AI search. We analyzed 25M AI overview keywords in the two-month window of our…
Google says AI Overviews increase clicks. Cold, hard logic disagrees, and so does our research. We analyzed 300,000 keywords and found that the presence of an AI Overview in the search results correlated with a 34.5% lower average clickthrough rate (CTR) for the top-ranking page, compared to similar informational keywords without an AI Overview. Thanks…
While AI traffic is growing as a referral source, Google still dominates by a factor of 345x, and Reddit out-refers all three major AIs combined. As it stands AI traffic isn’t making much of a dent, so is it worth pursuing? Here’s what we know so far… Sidenote. Thanks to our data scientist Xibeijia Guan for…
We’ve analyzed 150K websites to find out which ecommerce startups have seen substantial search growth this year. When we see organic traffic growing, it’s a good sign that customer interest is building and brand strategy is hitting the mark. If you want a playbook for growth, our list of the top ecommerce companies can show you whose…
SEO and the stock market — two completely different worlds. Yet when you run a correlation analysis between organic traffic and stock price on, say, Nasdaq, you suddenly get a strong positive correlation. Here’s why that happens and what it means. Ahrefs API and Polygon’s APIs to get the stock monthly closing price, monthly market cap,…
We analyzed the organic traffic growth of over 8000 websites to discover the hottest trending EV companies. At the top, you’ll find Green V, Vayve, Zeekr, En Plus, and EV Joints. To find the top trending EV companies in 2025 we calculated the percentage growth of organic traffic to their websites between January 1, 2024…
