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Hướng dẫn SEO dễ hiểu: thu thập dữ liệu, nội dung, liên kết, tốc độ, dữ liệu có cấu trúc và tìm kiếm AI.
4 thg 8, 2026 · 8 phút đọchreflang x-default: When to Use It and How to Set It Up
The x-default hreflang value tells search engines which page to show when no language version fits. Learn when to use it, where to point…
3 thg 8, 2026 · 8 phút đọcHow to Write Meta Descriptions That Earn the Click
What meta descriptions do and don't do, how long to make them, a simple writing formula, templates for large sites and why search engines…
3 thg 8, 2026 · 8 phút đọcXML Sitemap Best Practices: What to Include and Leave Out
How to build an XML sitemap search engines trust: which URLs belong in it, which do not, size limits, lastmod, sitemap indexes and how…
3 thg 8, 2026 · 8 phút đọcllms.txt Explained: What It Is and Whether You Need One
What llms.txt is, what goes inside it, who reads it today and whether your site needs one, with an honest look at what the…
3 thg 8, 2026 · 8 phút đọcccTLD vs Subdomain vs Subfolder for International Sites
Country domains, subdomains or subfolders? Compare the three international URL structures on cost, signals, maintenance and SEO, and pick the right one.
2 thg 8, 2026 · 8 phút đọcHow to Write Title Tags: Length, Wording and Examples
How to write title tags that rank and get clicked: ideal length, topic-first wording, patterns for each page type, and how to fix duplicate…
2 thg 8, 2026 · 8 phút đọcCanonical Tags Explained: How to Set Them and Fix Errors
What a canonical tag does, when search engines ignore it, the canonical errors audits find most often, and how to fix each one without…
2 thg 8, 2026 · 8 phút đọcWhat Is Generative Engine Optimization? A Plain Guide
Generative engine optimization (GEO) explained: how AI answer engines pick sources, what really differs from SEO and the practical steps that matter.
1 thg 8, 2026 · 8 phút đọcWhat Is hreflang? A Plain-English Guide for Site Owners
Hreflang tells search engines which language or country version of a page to show. Learn how it works, where to put it and how…
1 thg 8, 2026 · 9 phút đọcWhat Is On-Page SEO? The Elements That Actually Matter
On-page SEO explained in plain words: titles, descriptions, headings, content, images and internal links, plus the order in which to fix them on a…
1 thg 8, 2026 · 8 phút đọcRobots.txt for SEO: What to Block and What to Leave Open
A practical robots.txt guide: how rules are matched, what to block, what never to block, and how to test the file before one line…