Two tools in one extension
ABlock blocks unwanted content in the background. Open the extension to see how the current site works. Useful for visitors, site owners and developers alike.
Blocking
- Ads: Yandex Direct, Yandex Advertising Network, Adfox, Google Ads and international networks.
- Trackers and counters: Yandex Metrica, Google Analytics, LiveInternet, Mail.ru.
- Ads in the player and feed on YouTube, VK and OK.
- Known scam and phishing sites.
- Cookie consent pop-ups.
- Regional filter lists turn on automatically based on your browser's languages.
No exemptions or “acceptable ads”. The browser blocks content using built-in rules, so the extension doesn't slow down page loading.
Site check
- Score out of 10: privacy, speed, security, SEO and accessibility.
- Protocol, load time, page weight, compression and third-party domains.
- Who collects data on the page and what was blocked.
- Site engine, frameworks and libraries, hosting and server IP.
- Core Web Vitals, security headers and rules for search engines and AI bots.
- Report as an image or text.
Metrics are measured in your browser on your network — real data, with no emulation.
What goes into the score
Below the shield is the “Site score” bar. Click it to open the report with the overall score and category scores. Tooltips explain how they are calculated.
Your data stays in your browser
The extension collects nothing and sends nothing away. All data is calculated and stored in your browser; server IPs are looked up in a database inside the extension.
- No analytics
- No accounts
- No servers of our own
- Open source
Try it on your favourite site
If blocking causes a site to stop working properly, you can turn protection off for that site only.