Update Log

Major update fixing Douyin video downloads and completing Google AdSense compliance.

• Fixed Douyin downloads — Replaced dead APIs (douyin.wtf, tikwm.com) with working apihz.cn API. Douyin video downloads are now fully functional again.
• Fixed modal_id URLs — Links like douyin.com/jingxuan?modal_id=xxx now work correctly.
• Fixed JS crash — Resolved Cannot read properties of undefined error in ad rendering that blocked page initialization.
• Removed fake reviews — Deleted fabricated AggregateRating from structured data.
• Added FAQ structured data — JSON-LD FAQPage schema for rich search results.
• Added security headers — X-Content-Type-Options, X-Frame-Options, Referrer-Policy, Permissions-Policy.
• Fixed all Vietnamese strings — Error messages, comments, ZIP labels all converted to English.
• Expanded About page — Added "Why Choose Us", "Our Technology", and "Future Plans" sections (1800+ words).
• Updated all meta tags — Canonical URLs, OG tags, Twitter cards on all pages.
• Updated sitemap & robots.txt — Added Googlebot directive, updated lastmod dates.

Complete overhaul of all content to English for international audience and AdSense compliance.

• Rewrote all policy pages — Terms, Privacy, Disclaimer, Contact all in proper English.
• Added content sections — Complete Guide, Douyin vs TikTok Comparison on homepage.
• Added 18-language support — Full i18n with lang.js for all major languages.
• Added Google Analytics — gtag.js tracking on all pages.
• Removed all Vietnamese UI text — Every user-facing string is now in English.
• Footer reorganized — Contact moved to top of Support section.

Critical security patches and bug fixes identified during code audit.

• Fixed XSS vulnerabilities — showToast and displayHistory now use textContent instead of innerHTML.
• Fixed SSRF in proxy — Added redirect timeout and re-validation for stream proxy.
• Fixed memory leak — objectURL revoked after use to prevent memory leaks.
• Fixed race condition — isFetching flag prevents duplicate API calls.
• Added rate limiting — Stream proxy limited to 100MB max response size.
• Removed debug info — tiktok.js no longer leaks internal debug data.
• Fixed localStorage trust — Input validation added for stored data.

First deployment of Douyin Downloader on Cloudflare Pages.

• Douyin & TikTok video download without watermark
• Image slideshow download with ZIP packaging
• Music/audio extraction
• Mobile-responsive design
• Download history (localStorage)
• Cloudflare Workers API backend