SEO 및 링크 빌딩 용어집
웹사이트 링크 관리와 기술 SEO에서 만나는 용어의 명확한 정의.
404 오류
페이지를 찾을 수 없을 때 — SEO에 미치는 영향.
301 리디렉션
링크 에퀴티를 보존하는 영구 리디렉션.
크롤 버짓
검색 엔진의 크롤링 리소스 할당.
깨진 링크
목적지에 도달하지 못하는 하이퍼링크.
리디렉션 체인
연속 리디렉션으로 인한 성능 저하.
링크 로트
시간이 지남에 따라 링크가 점차 깨지는 과정.
Dead Link
A hyperlink that points to a page or resource that no longer exists.
Soft 404
A page that returns HTTP 200 but displays error content instead of useful information.
HTTP Status Codes
Three-digit server response codes that indicate the result of an HTTP request.
Anchor Text
The visible, clickable text of a hyperlink that describes where the link leads.
302 Redirect
The temporary redirect — when to use it and how it differs from a 301.
Canonical URL
The preferred version of a page — preventing duplicate content issues.
robots.txt
The file that tells crawlers which parts of your site they can access.
XML Sitemap
The map you give search engines to discover and prioritize your pages.
hreflang
The HTML attribute that tells search engines which language version to serve.
Meta Description
The snippet under your title in search results — what users actually read.
noindex
The directive that keeps a page out of search engine indexes.
nofollow
The link attribute that tells search engines not to pass ranking signals.
Internal Link
Links between pages on the same domain — the backbone of site structure.
External Link
Links pointing to another domain — outbound trust signals.
Backlink
An inbound link from another site — the original ranking signal.
Link Equity
The ranking value passed through links — also known as "link juice".
500 Internal Server Error
The catch-all error returned when a server-side problem prevents page rendering.
503 Service Unavailable
The status code that signals temporary downtime — often used during maintenance.
DNS Error
A failure to resolve a domain name to its server — the request never even starts.
SSL Certificate
The cryptographic credential that enables HTTPS — and that search engines expect.
www vs non-www
Choosing the canonical hostname — and why consistency matters more than the choice itself.
Mixed Content
When an HTTPS page loads HTTP resources — a security and SEO problem.
Redirect Loop
When redirects circle back on themselves and the page never loads.
User-Agent
The HTTP header identifying the client — and what servers use to decide what to serve.