Posted on November 10, 2026 in Security • Tagged with Bot Detection, Internet Bots, JavaScript, headless chrome, puppeteer, playwright, Side Channels • 36 min read
botstop.io now shows every signal it uses. This article documents the two newest groups: 19 ways to recognize an automated or headless Chrome, found by running 30,217 web-platform-tests in four differently started Chromes, and three probes that measure the hardware under the browser instead of asking it. Then I measure all of them on eleven days of real sign-ins, and half of what I had built falls apart.
Posted on September 17, 2026 in Society • Tagged with Mathematics, AI, Millennium-Prize-Problem • 6 min read
In November 2025, AI utterly changed software engineering. Now AI is writing better and more beautiful code than any human ever could, at dramatic speed. Why was there no letter by 25 Turing Award winners that AI "NEEDS TO STOP WRITING CODE" similar as Fields medallist wrote a letter when it became clear that AI is better at math than them?
Posted on August 18, 2026 in Society • Tagged with AI, Entrepreneurship, Society, Work • 12 min read
Will AI get more powerful and what are the implications for people that create new businesses?
Posted on August 11, 2026 in Security • Tagged with Bot Detection, Internet Bots, JavaScript • 2 min read
I launched a new little project called botstop.io. You open the page and it instantly tells you whether your browser looks like a bot, then refines the verdict a moment later. No CAPTCHA, no puzzles, just passive signals.
Posted on October 01, 2023 in Uncategorized • Tagged with Update, News • 1 min read
Posted on July 31, 2022 in Programming • Tagged with autonomous system, ASN, API, Security • 4 min read
In the Internet, each IP Address belongs to an autonomous system (AS). In this blog article, it is demonstrated how any IP address can be mapped to an AS number. The necessary information and sources to map each IP Address to an Autnomous System is provided as well, since they were not easy to find.