Stop AI scrapers from hammering your self-hosted blog (using porn)
Alright so if you run a self-hosted blog, you've probably noticed AI companies scraping it for training data. And not just a little (RIP to your server bill). There isn't much you can do about it without cloudflare. These companies ignore robots.txt, and you're competing with teams with more resources than you. It's you vs the MJs of programming, you're not going to win. But there is a solution. Now I'm not going to say it's a great solution...but a solution is a solution. If your website contains content that will trigger their scraper's safeguards, it will get dropped from their data…
Stop AI scrapers from hammering your self-hosted blog (using porn) launched on December 16, 2025 with 373 votes, #48 of 11,628 launches that month and more than 99% of that year's launches.
In plain words
fuzzycanary helps self-hosted blog owners protect their content from AI scraping by injecting hidden links into their website's HTML code. These invisible links trigger safety filters in scraper systems, causing them to avoid indexing the content. The tool is designed for independent bloggers who lack resources to implement traditional anti-scraping solutions like CDNs and cannot rely on robots.txt compliance from AI companies.
written from the facts on this page · September 2026
From the sources
Poor-man's solution to stopping AI companies from scraping your blog - vivienhenz24/fuzzy-canary
AI companies are scraping everyone's sites for training data. If you're self-hosting your blog, there's not much you can do about it, except maybe make them think your site contains content they won't want. Fuzzy Canary plants invisible links (to porn websites...) in your HTML that trigger scrapers' content safeguards. npm i @fuzzycanary/core # or pnpm add @fuzzycanary/core Usage There are two ways to use it: client-side or server-side. Use server-side if you can—it works better because the canary is in the HTML from the start, so scrapers that don't run JavaScript will still see it. If you're using a React-based framework (Next.js, Remix, etc.), add the <Canary /> component to your root…from github.com
In the maker’s words, at launch
Alright so if you run a self-hosted blog, you've probably noticed AI companies scraping it for training data. And not just a little (RIP to your server bill). There isn't much you can do about it without cloudflare. These companies ignore robots.txt, and you're competing with teams with more resources than you. It's…
Does a similar job
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Hi! I'm Marcell, and I'm working on FetchFox (https://fetchfoxai.com). It's a Chrome extension that lets you use AI to scrape any website for any data. I'd love to get your feedback. Here's a quick demo showing how you can use it to scrape leads from an auto dealer directory. What's cool is that it scrapes non-uniform pages, which is quite hard to do with "traditional" scrapers: https://youtu.be/wPbyPSFsqzA A little background: I've written lots and lots of scrapers over the last 10+ years. They're fun to write when they work, but the internet has changed in ways…
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Hey HN -- I'm a solo dev. Built this because I got tired of AI crawlers reading my HTML in plain text while robots.txt did nothing. The core trick: shuffle characters and words in your HTML using a seed, then use CSS (flexbox order, direction: rtl, unicode-bidi) to put them back visually. Browser renders perfectly. textContent returns garbage. On top of that: email/phone RTL obfuscation with decoy characters, AI honeypots that inject prompt instructions into LLM scrapers, clipboard interception, canvas-based image rendering (no img src in DOM), robots.txt blocking 30+ AI crawlers, and…
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