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…
AI is reshaping search optimization—it’s no longer just about ranking in search results, but about earning visibility in AI-generated answers. We’re moving from chasing traffic, to competing for brand visibility. We’re thinking about how AI crawlers view our site–not just search engine bots. We’re trying to follow the breadcrumb trail through an entirely new kind…
New to all things domain management? We’ll take you under our wing with our beginners’ guide to why it matters, plus some handy tips. Hey there, curious about domain management? You’ve come to the right place. In this beginner’s guide, we’ll dive into what domain management is all about and why it matters for your…
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”…
Managing PPC campaigns means juggling more than just keywords and budgets. From creative production and landing page optimization to fraud detection and competitor research, the marketer’s toolbox needs to be practical and scalable. To help you with that, I looked at some of the best PPC tools and picked nine that stand out for their…
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…
PPC keyword research is the process of finding the exact words or phrases people type into Google when they’re looking for something related to your product or service. It helps you target the right audience, avoid wasting money on irrelevant clicks, and attract people who are actually ready to buy. When I asked experts for their…
Share of search (SoS) is the percentage of all brand-name searches in your market that mention your brand. To find it, count how many times people searched for your brand name, add up the searches for every competing brand, then divide your number by that total and multiply by 100. For example, let’s say your brand…
Semantic SEO sounds complicated, but it simply boils down to doing SEO without cutting corners. If you do SEO properly, you’re automatically doing semantic SEO. It’s just that most people aren’t doing it properly… It’s not a different type of SEO. You don’t need to do wildly different things. Rather, it’s a mental model that…
