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Glen Allsopp
Owner, ViperChill
Glen Allsopp is a prominent figure in the field of digital marketing and SEO, best known as the owner of ViperChill, a blog that provides insights into viral marketing, SEO strategies, and blogging advice. He began his journey into the digital world at a young age, co-founding a DJ-related website at 16, which sparked his interest in search engine optimization (SEO) after successfully ranking it for profitable keywords.23
Professional Background
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Owner of ViperChill: Glen established ViperChill as an SEO-focused blog, where he shares his extensive knowledge and experiences in digital marketing. Over the years, he has transformed ViperChill from a personal project into a resource that attracts a significant audience interested in SEO and marketing strategies.23
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Founder of Detailed: In addition to ViperChill, Glen is also the founder of Detailed, a platform that offers advanced insights into SEO practices and strategies. This venture has grown substantially, garnering a large following and helping various brands enhance their online visibility through effective SEO techniques.15
Achievements
Glen's career highlights include:
- Building a Successful Agency: He transitioned from running personal projects to establishing a successful digital marketing agency that generated seven figures in revenue by offering SEO and link-building services.3
- Influence in the Industry: Glen has advised major brands like Ahrefs and Buffer, and his work is recognized for its depth and effectiveness in improving organic search traffic for clients.5
Personal Insights
Glen Allsopp is known for his low-profile approach; he avoids public speaking engagements and prefers to let his work speak for itself. He emphasizes the importance of organic search traffic in achieving online success and often shares practical advice based on his own experiences in the industry.24
Overall, Glen Allsopp's contributions to SEO and digital marketing have made him a respected figure among marketers and business owners looking to improve their online presence.
Highlights
I predicted Ahrefs sign-ups attributed to Claude would double in March.
They almost quadrupled (and have increased again in April).
From a business POV, I've been spending more time than usual with their API and analyzing responses and sources.
(While the numbers are low, some people share the prompt angles that inspired them to check out Ahrefs).
From a personal POV, I use Claude & Google's AI Mode daily, but almost never look at ChatGPT anymore.
AI referrals only account for a small % of sign-ups, but it's nice to see the channel continue to grow.
As I've said before, I'm aware that self-attribution data isn't perfect.
It’s affected by recency and recall bias, and it's not easy to account for every variation and typo.
It's also far from the only data source I look at, but possibly the most fun.
Of course, none of this is to “show off”.
I understand Claude is growing fast, so we're benefiting from that, as are many other companies I've heard from.
I report on how AI is impacting other companies' marketing, so I think it's only fair to share what's happening at Ahrefs.
At least now and then.
Hopefully it's interesting! 🙌
P.S. "Overall" in the chart also counts some other platforms, such as Grok.

I'm back on the Ahrefs blog, sharing my thoughts on custom prompt tracking.
I like to think I've shared some practical ideas without overhyping the insights you can derive from it (or many prompts you should track).
This has understandably been a divisive topic in SEO over the past few months, which is something I generally avoid.
But, like I did with my listicles research, I spoke with people strongly for and against it, and combined that with my own experiences.
AI search responses are something I like to monitor myself, so thought I would share how I choose queries to track, and what I’m looking to get out of them.
I'm sure my thoughts will evolve here over time as interfaces change, data sources improve and models are updated, but here's where I'm at for now.
I hope you find it useful!
P.S. It's the latest post on the Ahrefs blog, and I'll also link to it in the comments below. Thank you! 🙏

