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index.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Detect Adblocker Script</title>
</head>
<body>
<script>
checkAdblock()
async function checkAdblock() {
this.appendIframeAds();
let isBlocked = await this.hasAdblockByIframe();
if (!isBlocked) {
isBlocked = await this.hasAdblockByScript();
}
if (isBlocked) {
alert("Ad blocker is used.")
console.log("Ad blocker is used.")
} else {
alert("Ad blocker is not used")
console.log("Ad blocker is not used.")
}
}
async function hasAdblockByScript() {
let status = false;
let url = "https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"
const config = {
method: 'HEAD',
mode: 'no-cors',
}
let request = new Request(url, config);
try {
await fetch(request);
status = false
} catch (error) {
status = true;
}
if (status) return status;
url = 'https://adblockanalytics.com'
request = new Request(url, config);
try {
await fetch(request);
status = false;
} catch (error) {
status = true
}
return status;
}
function hasAdblockByIframe() {
return new Promise((resolve, reject) => {
setTimeout(() => {
let status = false;
const iframe = document.getElementById("ads-text-iframe");
if (iframe.style.display == "none" ||
iframe.style.display == "hidden" ||
iframe.style.visibility == "hidden" ||
iframe.offsetHeight == 0) {
status = true;
}
iframe.remove();
resolve(status);
}, 100)
})
}
function appendIframeAds() {
const iframe = document.createElement("iframe");
iframe.height = "1px";
iframe.width = "1px";
iframe.id = "ads-text-iframe";
iframe.src = "https://domain.com/ads.html";
document.body.appendChild(iframe);
}
</script>
</body>
</html>