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Guides
No "this matters" filler — these spell out what to fix and in what order. Everything here is something we've applied ourselves, and the list grows weekly.
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Subscribe via RSS- 2026-06-10AI searchHow to get your business recommended by ChatGPT — a 4-step guideThere's no submit button for ChatGPT. How to get your business into AI answers in 4 steps: the Bing-backed search index, machine-readable business info, and third-party signals like maps and reviews.AI search7 min
- 2026-06-08AI searchWhen your site doesn't show on Google — 7 causes, in checking orderA 30-second site: search splits indexing problems from ranking problems — then seven causes that block indexing, in checking order: missing registration, robots blocks, JS-only pages, duplicate hosts, and more.AI search7 min
- 2026-05-26AI searchHow to write llms.txt — the standard file for AI searchWhat llms.txt is, why to publish it now, and a copy-paste example for a small business site. The one-page file that helps AI search read your key pages correctly.AI search6 min
- 2026-05-22AI search7 patterns in how Perplexity cites Korean sites as sourcesStructured data, conclusion-first, freshness, entity clarity, FAQ, author attribution, external mentions. The 7 signals that drive Perplexity citations, with a priority order for where to start.AI search6 min
- 2026-05-20SchemaCafe24 SEO Checklist — Meta, OG, and Structured DataA 25-item practical SEO checklist for Cafe24 shop owners. Where to edit in the admin, what meta/OG tags and JSON-LD to add, and the Cafe24-specific gotchas to watch for.Schema9 min
- 2026-05-20SecurityGnuboard security patch guide — known vulnerabilities and fixesThe three things that get old Gnuboard and Youngcart sites breached most — unpatched versions, exposed data/ paths, and file-upload flaws. With the exact commands, .htaccess, and Nginx config to check and block them yourself.Security7 min
- 2026-05-18AI searchGEO vs SEO vs AEO — the differences and the prioritySEO is ranking, AEO is the answer box, GEO is citation inside AI answers. A side-by-side table of goal, measurement, work, and tools, plus a priority order for small businesses.AI search6 min
- 2026-05-15SchemaMark Up an Existing FAQ Section as FAQPage Schema in One PageA practical walkthrough for taking the FAQ section you already have and marking it up as FAQPage JSON-LD. Copy-paste code, common mistakes (duplicates, hidden content), Google's policy, and why FAQPage is the shape AI search cites most.Schema6 min
- 2026-05-14AI searchLocal business Google visibility guide — salons, restaurants, academiesGoogle Business Profile + LocalBusiness structured data + conclusion-first FAQ. The three essentials, step by step, for getting a neighborhood business into local search and AI answers.AI search6 min
- 2026-05-12SchemaRestaurant & Cafe LocalBusiness Schema: A Copy-Paste GuideFor a restaurant or cafe to show up accurately in search and AI answers, you need Restaurant/LocalBusiness schema. A copy-paste JSON-LD example with hours, price range, cuisine, and ratings — plus a plain-English breakdown of every field.Schema8 min
- 2026-05-12SecurityWhat to do when your site is hacked — a guide for small businessesA 5-step recovery flow any non-technical owner can follow — isolate → identify (defacement, malware, SEO spam, phishing) → restore from backup → rotate credentials → request a search-engine review. Don't panic; go in order.Security7 min
- 2026-05-10AI searchClinic AI-search visibility — within medical advertising lawHow clinics get cited in AI search within Article 56 of the Medical Service Act. The strategy: organize specialties, location, and operating info as MedicalBusiness structured data and FAQs instead of boasting outcomes.AI search6 min
- 2026-05-04SchemaHow to Add FAQ Schema (FAQPage) — WordPress and Plain HTMLFAQPage schema format, Google's usage policy, two ways to apply it (WordPress and direct HTML), common mistakes, and how to validate.Schema6 min
- 2026-05-04SchemaOrganization Schema for Korean Businesses: A Practical GuideKorean business registration numbers, KR addresses, phone format, KST hours, Naver and Kakao sameAs — how to mark up Organization schema correctly for a Korean company.Schema7 min
- 2026-05-04SchemaProduct Schema vs Article Schema: When to Use WhichA decision tree for the confusing cases — shop product pages, blogs, review posts. When you need both at once, and real-world mistakes to avoid.Schema6 min
- 2026-05-04SchemaThe 12 schema.org Types You Actually Need to KnowArticle, Product, Organization, LocalBusiness, FAQPage, BreadcrumbList, and the rest — the 12 schema.org types worth learning, with a page-type-to-schema mapping.Schema8 min
- 2026-05-03SchemaWhat Is JSON-LD? A 5-Minute Guide to Structured DataWhat JSON-LD is, why it matters, how it relates to schema.org, and exactly where to drop it into your HTML. Includes real code and validation steps.Schema5 min
- 2026-05-01SecurityHow a hack tears down your search rankingsGreat content and backlinks vanish overnight after a single security incident. The exact signals Google uses to demote and block sites — and where recovery actually starts.Security6 min
- 2026-04-25SecurityHow a leaked .env file ends up wiping your search rankingsOne leaked .env line is never just a key disclosure. The chain runs AWS / Stripe keys → infrastructure takeover → page tampering → Safe Browsing flag → search visibility to zero. The timing, and where to break the chain.Security5 min
- 2026-04-18SecurityRecovering from a Google Safe Browsing block (Search Console review)Get listed in Safe Browsing and you disappear from search results — and Chrome / Firefox / Safari throw a red warning. Cleanup → Search Console review request → typical 7–14 day recovery, step by step.Security7 min