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Anti-adblock script for Blogger and Blogspot
Recover the AdSense earnings ad blockers quietly take from your Blogspot blog.
A Blogger blog usually earns from one place: AdSense. There is no header-bidding stack or fallback demand to soften the hit, so every visitor who blocks ads is earnings that simply never arrive. On blog-style audiences the ad-block rate commonly sits in the 20-35% range, which means a fifth to a third of your traffic can be reading for free.
Most Blogspot owners assume there is nothing they can do because they are not developers and editing the theme feels risky. In practice it takes one line. AntiAdBlock Core is a single async script tag you paste into the theme, and it works alongside AdSense rather than replacing it.
The ad-block problem in your vertical
AdSense is your only line, so blocking hits it directly
Without a fallback ad stack, a blocked pageview is pure lost income. There is no second demand source picking up the slack, so your effective earnings fall one for one with your ad-block rate.
You think the theme is off-limits
Blogger hides ad settings behind a friendly UI, so adding a script feels like it needs a developer. It does not: Theme, Edit HTML, and paste one tag before the closing head tag. That is the whole install.
Free forum snippets get your blog flagged
Copy-paste anti-adblock scripts from old forum threads rely on a single bait check, break within weeks, and some trip aggressive layout shifts that hurt both readers and AdSense. A maintained detector avoids all three.
How AntiAdBlock Core solves it
AntiAdBlock Core detects ad blockers with a multi-signal engine that catches uBlock Origin, uBlock Origin Lite, AdBlock Plus, AdGuard, Brave Shields and Ghostery, kept current so a filter-list update does not quietly blind your blog. It runs in milliseconds from a single async tag, so your Blogspot theme and Core Web Vitals stay untouched.
When a blocker is found you show a polite, customizable overlay asking the reader to allow ads or whitelist the blog. Every reader who does becomes an AdSense impression you were losing, and the dashboard shows exactly how many. It sets no tracking cookies and keeps no visitor identifiers.
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Frequently asked questions
How do I add an anti-adblock script to Blogger?
In your Blogger dashboard open Theme, click the arrow next to Customize and choose Edit HTML, then paste the AntiAdBlock Core script tag just before the closing </head> tag and save. It takes about a minute and needs no developer.
Will it interfere with my AdSense?
No. It runs alongside AdSense, it does not replace or modify your ad units. In fact the recovery overlay asks blocked visitors to allow ads, so readers who agree turn back into the AdSense impressions you were losing.
Is detecting ad blockers against AdSense policy?
Detecting blockers and politely asking visitors to allow ads is fine. What you must not do is trick or force clicks. AntiAdBlock Core's overlay is a plain whitelist request you control, so you stay on the right side of the policy.
Start recovering revenue today.
Free up to 10,000 detections per month. No credit card.