Detecting adblock, without JavaScript, by abusing HTTP 103 responses

In plain words

This project demonstrates a technique for detecting ad blockers using HTTP 103 Early Hints responses instead of JavaScript. It works by sending early hints that ad blockers would intercept, allowing servers to identify when blocking software is active. The method operates without requiring client-side JavaScript code, offering an alternative approach to traditional ad blocker detection mechanisms.

written from the facts on this page · September 2026

• 
  FuckFuckAdblock2015 · github.com · ▲353

  Acts like FuckAdBlock.js but always says that no adblock was detected - GitHub - Mechazawa/FuckFuckAdblock: Acts like FuckAdBlock.js but always says that no adblock was detected

• AD
  AdBlock detection by abusing the streaming parser2017 · pixel.shodan.me · ▲21
• 
  Let's encourage ad blocking2016 · blockads.fivefilters.org · ▲92

  We check for and encourage the use of an ad blocker.

• 
  Adblock-rust Manager – Firefox extension to enable the Brave ad blockerApr 2026 · github.com · ▲95

  Firefox 149 ships adblock-rust (Brave's Rust engine, MPL-2.0) completely disabled with no UI. It's controlled by two about:config prefs with no WebExtension API, so you can't touch them programmatically from a standard extension. This extension gives it a UI: ETP toggle (via browser.privacy API, instant), filter list manager with clipboard helpers for the manual about:config steps, and 8 preset lists. You can also add your own if you so desire.

• 
  Anti-Adblock Killer2016 · reek.github.io · ▲87

  Don't touch my Adblocker !

• 
  AdBlock with Link Intelligence2022 · chromewebstore.google.com · ▲68

  Ad blocker that also underlines paywall and click bait links

• 
  SimCity, but with Permits▲909

  A free city-building game in your browser. You are the mayor. You know what the city needs. Now get it past the zoning board, the neighbors, the appeals court and the next election.

  Life & fun · 1d ago · permit.petercai.com

• IV
  I've been paying for a rural Tanzanian's education for 10 years▲778

  Life & fun · 14d ago · tanzaniaeducationproject.org

• 
  Bigwords.page – Turn any screen into a sign. The URL is the app▲728

  Turn a phone, tablet or TV into a sign. Type a message and it fills the screen: welcome signs, timers, Wi-Fi passwords and more. No app, no account, free.

  Life & fun · 15d ago · bigwords.page

• 
  Guitoro, a virtual guitar you strum with your keyboard▲573

  Play a free virtual guitar online with your keyboard or by touch. Slow songs down and see every chord, string and strum. Acoustic, classic, electric and bass.

  Life & fun · 8d ago · guitoro.com

• 
  See *almost* any carriers phone settings▲432

  Carrier settings from iPhone, Pixel and Galaxy firmware, decoded and compared: APNs, VoLTE, 5G and Wi-Fi Calling per carrier, and what each build changed.

  Life & fun · 12d ago · carrierexplode.com

• 
  The whole Solar System and every tracked satellite, live in the browser▲407

  Life & fun · 22d ago · space.bl2.net

• 
  Dub.co▲1,475

  Short links with superpowers

  Dev tools · 2024 · dub.co

• 
  3 years and 1M users later, I just open-sourced my "Internet OS"▲1,274

  🌐 The Internet Computer! Free, Open-Source, and Self-Hostable. - HeyPuter/puter

  Dev tools · 2024 · github.com

• 
  Microlaunch▲1,115

  Launch and get feedback on both the idea and product

  Dev tools · 2024 · microlaunch.net

• 
  Milestone▲1,113

  Interactive, gamified product tours for SaaS

  Growth · 2024 · milestoneflow.io

• 
  Hunted Space▲1,004

  Insights on Product Hunt launches

  Growth · 2024 · hunted.space

• 
  Creatie▲850

  The one-stop product design tool amplified by AI

  AI · 2024 · creatie.ai