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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.
29 thg 9, 2026 · 8 phút đọcWhich Meta Tags Matter for SEO and Which to Ignore
A practical sorting of meta tags: which ones search engines use, which only shape social previews or browsers, and which old tags you can…
29 thg 9, 2026 · 8 phút đọcLast-Modified, ETag and 304: HTTP Caching Headers for SEO
How Last-Modified, ETag and 304 Not Modified responses help crawlers and visitors, how to test your headers, and caching mistakes that confuse search engines.
28 thg 9, 2026 · 7 phút đọcAI Search for Publishers and Bloggers: A Practical Strategy
How publishers and bloggers can respond to AI search: which content still earns visits, how to be cited, crawler choices, audience building and measurement.
28 thg 9, 2026 · 7 phút đọchreflang Errors: The Complete List and How to Fix Each One
Every common hreflang error in one place: missing return links, invalid codes, redirects, noindex targets, canonical conflicts, x-default issues and fixes.
28 thg 9, 2026 · 7 phút đọcSeasonal Pages and SEO: Keep One URL Year After Year
How to handle seasonal pages like Black Friday: one permanent URL, yearly updates, the year in titles, off-season content, timing, and merging old yearly…
27 thg 9, 2026 · 7 phút đọcSite Name and Favicon in Google Results: How to Set Them
Google shows a site name and favicon next to results. How it picks them, the WebSite markup and favicon rules to follow, and what…
27 thg 9, 2026 · 8 phút đọcShould You Let AI Train on Your Content? A Decision Guide
A practical guide to deciding whether AI companies may train on your website content: benefits, risks, what blocking can and cannot do, and how…
27 thg 9, 2026 · 8 phút đọcLocal Trust Signals for Country Versions of Your Website
Visitors abroad judge a site by local details: contacts, prices, delivery, legal pages, reviews and payments. What to show per market and how to…
26 thg 9, 2026 · 7 phút đọcAI-Assisted Content and SEO: How to Publish It Responsibly
What search engines say about AI-generated content, where AI tools help and fail, a review checklist before publishing, and why scale is the warning…
26 thg 9, 2026 · 7 phút đọcIndex Bloat: How to Find and Clean Up Unwanted Indexed URLs
Index bloat means search engines hold many URLs you never meant to rank. How to measure it, which URL types cause it, and how…
26 thg 9, 2026 · 8 phút đọcChatGPT vs Perplexity vs Copilot: How Each Finds Sources
How ChatGPT, Perplexity and Microsoft Copilot find and cite web sources, which crawlers and indexes each relies on, and what that means for your…
25 thg 9, 2026 · 7 phút đọcWhich Blog Posts to Translate First: A Data-Led Approach
Not every article deserves translation. How to pick blog posts for a new language using search demand, existing traffic, business value and effort.