education learning

adult content

government public service

_ga_F7KVZ7Z5P6

_gcl_au

Domain 'lichsu12.pages.dev' uses the developer-focused generic top-level domain (.dev), featuring subdomain 'lichsu12'. Its registrable label 'pages' stretches across 5 characters containing 2 vowels alongside 3 consonants. Splitting it apart reveals 1 word: pages. No strong language cues emerged from the frequency lists.

html/3f/9f/3f9f5371-cb49-450d-88b9-161cb852a9af.html.gz

require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/apps-themes

script-src 'none'; form-action 'none'; frame-src 'none'; report-uri https://csp.withgoogle.com/csp/scaffolding/ascgsrsghrgc:71:0

script-src 'none'; form-action 'none'; frame-src 'none'; report-uri https://csp.withgoogle.com/csp/scaffolding/ascnsrsggc:138:0

require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/botguard-scs

aswift_1

aswift_2

aswift_0

google_esf

ab0603440383f744c6ca73340cf56196ad489b88b3b43790b58e981b553cd64d

ff03786a60f6c93ccacfe0fbb6c2e3c671d7930856a3689f2f393113d8d655ec

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f44ffa5a41b986faea308aea41ea962efd3b08b21ea427fca1a81ee472f781a4

© 2025 LXI Education Technology. All Rights Reserved.
Đổi mới giáo dục bằng công nghệ.

viewport

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Amm8/NmvvQfhwCib6I7ZsmUxiSCfOxWxHayJwyU1r3gRIItzr7bNQid6O8ZYaE1GSQTa69WwhPC9flq/oYkRBwsAAACCeyJvcmlnaW4iOiJodHRwczovL2dvb2dsZXN5bmRpY2F0aW9uLmNvbTo0NDMiLCJmZWF0dXJlIjoiV2ViVmlld1hSZXF1ZXN0ZWRXaXRoRGVwcmVjYXRpb24iLCJleHBpcnkiOjE3NTgwNjcxOTksImlzU3ViZG9tYWluIjp0cnVlfQ==

A9nrunKdU5m96PSN1XsSGr3qOP0lvPFUB2AiAylCDlN5DTl17uDFkpQuHj1AFtgWLxpLaiBZuhrtb2WOu7ofHwEAAACKeyJvcmlnaW4iOiJodHRwczovL2RvdWJsZWNsaWNrLm5ldDo0NDMiLCJmZWF0dXJlIjoiQUlQcm9tcHRBUElNdWx0aW1vZGFsSW5wdXQiLCJleHBpcnkiOjE3NzQzMTA0MDAsImlzU3ViZG9tYWluIjp0cnVlLCJpc1RoaXJkUGFydHkiOnRydWV9

A93bovR+QVXNx2/38qDbmeYYf1wdte9EO37K9eMq3r+541qo0byhYU899BhPB7Cv9QqD7wIbR1B6OAc9kEfYCA4AAACQeyJvcmlnaW4iOiJodHRwczovL2dvb2dsZXN5bmRpY2F0aW9uLmNvbTo0NDMiLCJmZWF0dXJlIjoiQUlQcm9tcHRBUElNdWx0aW1vZGFsSW5wdXQiLCJleHBpcnkiOjE3NzQzMTA0MDAsImlzU3ViZG9tYWluIjp0cnVlLCJpc1RoaXJkUGFydHkiOnRydWV9

A1S5fojrAunSDrFbD8OfGmFHdRFZymSM/1ss3G+NEttCLfHkXvlcF6LGLH8Mo5PakLO1sCASXU1/gQf6XGuTBgwAAACQeyJvcmlnaW4iOiJodHRwczovL2dvb2dsZXRhZ3NlcnZpY2VzLmNvbTo0NDMiLCJmZWF0dXJlIjoiQUlQcm9tcHRBUElNdWx0aW1vZGFsSW5wdXQiLCJleHBpcnkiOjE3NzQzMTA0MDAsImlzU3ViZG9tYWluIjp0cnVlLCJpc1RoaXJkUGFydHkiOnRydWV9

HSTS header missing - vulnerable to protocol downgrade attacks

CSP header missing - vulnerable to XSS attacks

Abuse Team

CloudFlare, Inc.

pages.dev

Abuse

Admin

Cloudflare-NOC

Cloudflare, Inc.

CLOUDFLARENET


  window.MathJax = {
    tex: {
      inlineMath: [['\$', '\$'], ['$', '$']], // Cấu hình inline math
      displayMath: [['\\[', '\\]'], ['$$', '$$']], // Cấu hình block math
    },
    options: {
      skipHtmlTags: ['script', 'noscript', 'style', 'textarea', 'pre'], // Bỏ qua các thẻ này khi xử lý
      ignoreHtmlClass: "tex2jax_ignore", // Lớp này sẽ bị bỏ qua
      processHtmlClass: "tex2jax_process" // Chỉ xử lý các phần tử có lớp này
    }
  };


(function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':
new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],
j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src=
'https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);
})(window,document,'script','dataLayer','GTM-P5QZNXKM');


// BẮT ĐẦU MÃ MỚI ĐỂ THAY THẾ

// Hàm để bật/tắt cửa sổ AI và quản lý hiển thị nút chụp ảnh
function toggleSupport() {
  const container = document.getElementById("supportContainer");
  const toggleButton = document.querySelector(".support-toggle-btn");
  const captureBtn = document.getElementById("page-capture-btn"); // Lấy nút chụp ảnh

  const isOpen = container.classList.contains("visible");

  if (isOpen) {
    // Nếu đang mở -> Đóng lại
    container.classList.remove("visible");
    if (toggleButton) toggleButton.style.display = "inline-flex"; // Hiện lại nút AI
    if (captureBtn) captureBtn.style.display = "block"; // Hiện lại nút chụp ảnh
  } else {
    // Nếu đang đóng -> Mở ra
    container.classList.add("visible");
    if (toggleButton) toggleButton.style.display = "none";  // Ẩn nút AI đi
    if (captureBtn) captureBtn.style.display = "none"; // Ẩn nút chụp ảnh đi
  }
}

document.addEventListener('DOMContentLoaded', () => {
   const container = document.getElementById("supportContainer");
   const toggleButton = document.querySelector(".support-toggle-btn");
   container.classList.remove("visible");
   // Nút được ẩn theo CSS, sẽ được bật trong script.js khi vào bài trắc nghiệm
   initializeFullscreenButton();
});

function initializeFullscreenButton() {
    const fullscreenBtn = document.getElementById('fullscreen-btn');
    const supportContainer = document.getElementById('supportContainer');

    if (fullscreenBtn && supportContainer) {
        fullscreenBtn.addEventListener('click', () => {
            toggleFullscreen(supportContainer);
        });
        document.addEventListener('fullscreenchange', () => {
            updateFullscreenButtonIcon();
        });
    } else {
        console.warn("Không tìm thấy nút fullscreen hoặc container AI.");
    }
}

function toggleFullscreen(element) {
    if (!document.fullscreenElement) {
        element.requestFullscreen().catch(err => {
            alert(`Lỗi khi vào chế độ toàn màn hình: ${err.message} (${err.name})`);
        });
    } else {
        if (document.exitFullscreen) {
            document.exitFullscreen();
        }
    }
    updateFullscreenButtonIcon(!document.fullscreenElement);
}

function updateFullscreenButtonIcon(enteringFullscreen) {
     const fullscreenBtn = document.getElementById('fullscreen-btn');
     if (!fullscreenBtn) return;
     if (document.fullscreenElement || enteringFullscreen) {
         fullscreenBtn.textContent = '▢';
         fullscreenBtn.title = "Thoát toàn màn hình";
     } else {
         fullscreenBtn.textContent = '⛶';
         fullscreenBtn.title = "Toàn màn hình";
     }
 }
// KẾT THÚC MÃ MỚI ĐỂ THAY THẾ



      // Backup function
        function backupLocalStorage() {
            const linkWeb = window.location.hostname || "backup";
            const date = new Date();
            const formattedDate = `${date.getFullYear()}${(date.getMonth() + 1).toString().padStart(2, "0")}${date.getDate().toString().padStart(2, "0")}`;
            const fileName = `${linkWeb}_${formattedDate}.json`;
            
            const backupData = JSON.stringify(localStorage);
            const blob = new Blob([backupData], { type: "application/json" });
            const url = URL.createObjectURL(blob);

            const a = document.createElement("a");
            a.href = url;
            a.download = fileName;
            a.click();

            URL.revokeObjectURL(url);
        }

        // Restore function
        function restoreLocalStorage(file) {
            const reader = new FileReader();
            reader.onload = function(event) {
                try {
                    const data = JSON.parse(event.target.result);
                    Object.keys(data).forEach(key => {
                        localStorage.setItem(key, data[key]);
                    });
                    alert("Khôi phục dữ liệu thành công!");
                } catch (error) {
                    alert("Lỗi khi khôi phục dữ liệu: " + error.message);
                }
            };
            reader.readAsText(file);
        }

        // Handle file input
        function handleRestore(event) {
            const file = event.target.files[0];
            if (file) {
                restoreLocalStorage(file);
            } else {
                alert("Vui lòng chọn một tệp!");
            }
        }
    


/**
 * Deep-link boot:
 * - Nếu truy cập đường dẫn có dạng /<encoded>.html (không phải index.html),
 * tự động decode -> nạp bài tương ứng.
 * - Đồng thời hỗ trợ dạng query: ?bai=<encoded> (khỏi cần cấu hình server).
 */
document.addEventListener('DOMContentLoaded', () => {
  try {
    // Ưu tiên ?bai=<encoded> nếu có
    const params = new URLSearchParams(window.location.search);
    const encodedParam = params.get('bai');
    if (encodedParam && typeof decodeLink === 'function' && typeof fetchAndDisplay === 'function') {
      const realFromQuery = decodeLink(encodedParam + '.html');
      fetchAndDisplay(realFromQuery, 'Bài học (link chia sẻ)');
      return;
    }

    // Nếu không có ?bai=, thử lấy segment .html cuối URL
    const seg = (window.location.pathname || '').split('/').pop();
    if (
      seg &&
      seg.endsWith('.html') &&
      seg !== 'index.html' &&
      typeof decodeLink === 'function' &&
      typeof fetchAndDisplay === 'function'
    ) {
      const realFromPath = decodeLink(seg);
      fetchAndDisplay(realFromPath, 'Bài học (link chia sẻ)');
    }
  } catch (e) {
    console.error('Deep-link boot error:', e);
  }
});


Requests	IP Address	Location	AS Autonomous System
9	104.17.25.14	United States	AS13335Cloudflare, Inc.
5	104.17.208.5	United States	AS13335Cloudflare, Inc.
5	142.251.14.155	United States	AS15169Google LLC
5	172.66.44.108	United States	AS13335Cloudflare, Inc.
5	192.178.183.95	United States	AS15169Google LLC
5	142.250.154.97	United States	AS15169Google LLC
5	142.251.110.94	United States	AS15169Google LLC
39	7	-	-

Security Scan Report: lichsu12.pages.dev

Summary

AI Security Verdict

High Risk

Risk Factors

Details

Screenshot

Page Load Overview

Language Analysis

Primary Language

Detection Details

Website Classification

Primary Category

All Detected Categories

Detected Features

Domain & IP Information

Detected Technologies6

Content Similarity HashesFor malware variant detection

TLSH (Trend Micro Locality Sensitive Hash)

ssdeep (Context Triggered Piecewise Hashing)

sdhash (Similarity Digest Hashing)

Image Hashes

Perceptual Hashes

Other Hashes

Scan History