EE88 – Trang Technical SEO Chuẩn E-E-A-T 2026

robots.txt (public)

User-agent: *
Disallow: /wp-admin/
Allow: /wp-admin/admin-ajax.php

Sitemap: https://www.ee88bet.fun/sitemap_index.xml

Cấu hình robots.txt chuẩn – cho phép Googlebot crawl toàn bộ nội dung public, chỉ chặn khu vực quản trị WordPress. Sitemap khai báo rõ ràng.

Sitemap Index Structure

• page-sitemap.xml – 26 pages (homepage, about, services, blog posts)
• post-sitemap.xml – published news articles
• category-sitemap.xml – main category pages
• product-sitemap.xml – EE88 services (casino, slots, sport)
• author-sitemap.xml – LEONSEO author archive
• news-sitemap.xml – latest news (Google News format)

Cập nhật lần cuối: 23/07/2026 03:45 UTC+7. Tự động refresh mỗi 6 giờ.

Security Headers Hiện Có

• ✅ Strict-Transport-Security: max-age=31536000; includeSubDomains; preload
• ✅ X-Frame-Options: SAMEORIGIN (chống clickjacking)
• ✅ X-Content-Type-Options: nosniff (chống MIME sniffing)
• ✅ Referrer-Policy: same-origin
• ✅ X-XSS-Protection: 1; mode=block
• ✅ Expect-CT: max-age=86400, enforce
• ⚠️ Content-Security-Policy: Đang tối ưu (cho phép Woocommerce + AJAX)
• ✅ Permissions-Policy: geolocation=(), microphone=(), camera=()

SSL/TLS Audit

• ✅ SSL Labs Grade: A+ (qualys.com/ssllabs)
• ✅ Protocol support: TLS 1.3 + TLS 1.2 (TLS 1.0/1.1 disabled)
• ✅ Cipher suites: TLS_AES_256_GCM_SHA384, TLS_CHACHA20_POLY1305_SHA256
• ✅ Certificate: Let’s Encrypt R3 (auto-renew 90 ngày)
• ✅ HSTS Preload: đã submit lên hstspreload.org
• ✅ Certificate Transparency: tất cả cert được log công khai
• ✅ OCSP Stapling: enabled

Security Audit Tools Scores

• ✅ Mozilla Observatory: A+ (observatory.mozilla.org)
• ✅ Security Headers.com: A+ (securityheaders.com)
• ✅ SSL Labs: A+ (qualys.com)
• ✅ Hardenize: 100/100 (hardenize.com)
• ✅ CSP Evaluator: Pass (csp-evaluator.appspot.com)

Security Best Practices

• ✅ WAF (Web Application Firewall): Cloudflare Enterprise WAF + custom rules
• ✅ DDoS Protection: Cloudflare Magic Transit (L3/L4/L7)
• ✅ Bot Management: Cloudflare Bot Fight Mode + Super Bot Fight Mode
• ✅ Rate Limiting: 100 req/min per IP cho API endpoints
• ✅ 2FA cho admin: WordPress + Cloudflare Access
• ✅ Auto backup: Daily backup to R2 + offsite replication

Google Mobile-Friendly Test

• ✅ Score: 98/100 (search.google.com/test/mobile-friendly)
• ✅ Viewport meta tag: configured correctly
• ✅ Touch targets: 48x48px minimum, 100% tap-friendly
• ✅ Font size: 16px minimum (no zoom required)
• ✅ Content width: fits viewport on all devices

Mobile Performance (4G LTE, 3G fallback)

• 3G load time: 3.4s (Google threshold: < 5s)
• 4G load time: 1.6s
• Wi-Fi load time: 1.2s
• Mobile data consumption: 0.85 MB per page

Responsive Breakpoints

/* Mobile First */
@media (max-width: 480px)   { ... }
@media (max-width: 768px)   { ... }
@media (max-width: 1024px)  { ... }
@media (max-width: 1440px)  { ... }

/* Specific device detection */
@supports (display: flex)  { ... }
@supports (gap: 1rem)       { ... }

PWA Capabilities (EE88 Mobile App)

• ✅ Installable PWA: via “Add to Home Screen”
• ✅ Offline mode: Service Worker cache 100MB
• ✅ Push notifications: for new promos & sports alerts
• ✅ Background sync: for transaction status
• ✅ Standalone display: full-screen app mode

AMP (Accelerated Mobile Pages)

• AMP Cache: enabled cho category pages
• Sample URL: /amp/casino-online-ee88/
• AMP HTML validated: 100% pass
• AMP Cache CDN: Google’s global CDN

Cross-Device Compatibility

• ✅ iOS Safari 12+
• ✅ Android Chrome 6+
• ✅ Samsung Internet 8+
• ✅ Desktop Chrome / Firefox / Edge / Safari

Mobile UX Best Practices

• ✅ Thumb-friendly navigation: bottom-fixed menu cho mobile
• ✅ One-thumb reachability: 80% actions trong vùng thumb (dưới 60% chiều cao)
• ✅ Form optimization: autofill, type-specific keyboards, large inputs
• ✅ Push-to-call buttons: cho hotline CSKH
• ✅ Mobile-specific CTAs: app download banner cho mobile