SEO เชิงเทคนิค
Guides on the technical side of search: crawling, indexing, status codes, canonicals, redirects and sitemaps. Each article starts from a real issue found by a deep crawl and explains why it hides pages from search. We show how to find the affected pages and how to fix them on common platforms, including WordPress. The focus is on problems that affect many pages at once, because they cost the most visibility. Examples come from online shops, company websites and blogs. Read these guides before a redesign, a migration or a big content update.
6 ส.ค. 2026 · อ่าน 7 นาทีNoindex vs Disallow: How to Keep Pages Out of Search
Noindex and robots.txt Disallow solve different problems. Learn which removes pages from search, which saves crawl time, and why combining them backfires.
5 ส.ค. 2026 · อ่าน 7 นาที301 vs 302 Redirects: Which One to Use and When
301, 302, 307 and 308 redirects explained in plain words: what each tells search engines, when to use which, and the redirect mistakes that…
4 ส.ค. 2026 · อ่าน 7 นาทีRedirect Chains and Loops: How to Find and Fix Them
Redirect chains slow pages and waste crawl time; loops break them entirely. Learn how they form, how to find every one on your site…
3 ส.ค. 2026 · อ่าน 8 นาทีXML 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…
2 ส.ค. 2026 · อ่าน 8 นาทีCanonical 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…
1 ส.ค. 2026 · อ่าน 8 นาทีRobots.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…