Technical SEO — 191 terms

410 Error

Also: gone error, HTTP 410

A

Accelerated Mobile Pages

Also: AMP, Mobile Page Optimization

Accept-Encoding

Also: Content-Encoding, HTTP Encoding

Accept-Language

Also: HTTP language header, Content language negotiation

Android App Links

Also: App Links for Android, Deep Links in Android

API

Also: application programming interface, web service interface

App Content Parity

Also: Content Consistency for Apps, Cross-Platform Content Alignment

App Indexing

Also: Mobile App Indexing, App Search Optimization

B

Breadcrumbs

Also: navigation breadcrumbs, breadcrumb navigation

Bypass Cache on Cookie

Also: Cache Bypass for Cookies, Cookie Cache Exemption

C

Cache

Also: web cache, browser cache

Cache Busting

Also: Cache Invalidation, Cache Refreshing

Cache-Control

Also: Caching Header, HTTP Cache Directive

Canonical Tag

Also: rel=canonical, canonical link

Canonical Tags

Also: rel=canonical, Canonical Links

Canonical vs Noindex

Also: Canonical Tags vs Noindex Tags, Canonicalization vs Noindexing

Change Management for SEO

Also: SEO Strategy Adaptation, SEO Change Control

Click Depth

Also: page depth, navigation depth

Content Lifecycle Governance

Also: Content Management Governance, Content Lifecycle Management

Content-Encoding

Also: Content Compression, HTTP Compression

Content-Length

Also: Response Size, HTTP Content Size

Content-Security-Policy

Also: CSP, Content Security Policy Header

Content-Type

Also: MIME Type, Content-Type Header

Crawl Budget

Also: crawl rate, crawl allocation

Crawl Errors

Also: crawl issues, indexing errors

Crawl Rate Limit

Also: Crawl Limit, Crawl Frequency Limit

Crawl Stats

Also: Crawl Data, Crawling Metrics

Crawl Traps

Also: Crawling Pitfalls, Crawl Loops

Crawling

Also: site crawling, web crawling

D

Deferred Deep Linking

Also: Deferred Linking, Deferred App Linking

Domain Migration

Also: Website Domain Transfer, Domain Change Process

Duplicate Content

Also: content duplication, copy content

E

Edge Caching

Also: Content Delivery Network Caching, CDN Caching

Edge Redirects

Also: CDN Redirects, Server-side Redirects

Edge Workers

Also: Edge Computing Nodes, Edge Processing Units

Entity SEO

Also: entity optimization, semantic SEO

Intermediate6 related

ETag

Also: Entity Tag, HTTP ETag

Expires

Also: Cache-Control Header, HTTP Expires Header

F

Firebase App Indexing

Also: Firebase Search Integration, App Indexing for Firebase

G

Geo Routing

Also: Geolocation Routing, Location-Based Routing

Google Algorithm

Also: search algorithm, search engine algorithm

Google Dance

Also: SERP fluctuations, Ranking fluctuations

Google Penalty

Also: search penalty, algorithmic penalty

Googlebot

Also: Google crawler, Google search bot

H

Health Checks

Also: Site Audits, SEO Audits

Hreflang in Sitemap

Also: Hreflang Tags in XML Sitemap, Multilingual Sitemap Optimization

HTML Sitemap

Also: sitemap page, site map page

HTTP 103 Early Hints

Also: Early Hints Response, HTTP Status 103

HTTP 200 OK

Also: 200 Status Code, Successful HTTP Response

HTTP 201 Created

Also: 201 Status Code, HTTP Status 201

HTTP 204 No Content

Also: 204 Response Code, HTTP Status 204

HTTP 206 Partial Content

Also: Partial Content Response, 206 Status Code

HTTP 301 Moved Permanently

Also: 301 Redirect, Permanent Redirect

HTTP 302 Found

Also: Temporary Redirect, 302 Redirect

HTTP 303 See Other

Also: HTTP 303 Redirect, 303 Redirect Response

HTTP 304 Not Modified

Also: 304 Status Code, Not Modified Response

HTTP 307 Temporary Redirect

Also: 307 Redirect, Temporary Redirect Status Code

HTTP 308 Permanent Redirect

Also: 308 Redirect, Permanent Redirect Status Code

HTTP 400 Bad Request

Also: 400 Error, Bad Request Error

HTTP 401 Unauthorized

Also: 401 Error, Unauthorized Access Error

HTTP 403 Forbidden

Also: 403 Error, Forbidden Access Error

HTTP 404 Not Found

Also: 404 Error, Page Not Found

HTTP 405 Method Not Allowed

Also: 405 Error, Method Not Allowed Error

HTTP 410 Gone

Also: 410 Status Code, HTTP 410 Response

HTTP 418 I'm a teapot

Also: 418 teapot status code, HTTP teapot error

HTTP 429 Too Many Requests

Also: Rate Limiting Error, HTTP 429 Error

HTTP 451 Unavailable For Legal Reasons

Also: HTTP 451 Error, Legal Unavailability Status

HTTP 500 Internal Server Error

Also: 500 Error, Internal Server Error

HTTP 501 Not Implemented

Also: 501 Server Error, HTTP Status 501

HTTP 502 Bad Gateway

Also: 502 Error, Bad Gateway Error

HTTP 503 Service Unavailable

Also: 503 Error, Service Unavailable Error

HTTP 504 Gateway Timeout

Also: Gateway Timeout Error, 504 Error

HTTP to HTTPS Migration

Also: HTTP to HTTPS Transition, Secure Site Migration

Hydration

Also: Content Hydration, Page Hydration

I

Image Sitemap

Also: Image XML Sitemap, Visual Sitemap

Index Bloat

Also: Index Overload, Search Index Bloat

indexifembedded

Also: index if embedded, embedded content indexing

Indexing

Also: search indexing, site indexing

Indexing API for JobPosting

Also: JobPosting Indexing API, Google JobPosting API

Indexing API for Live Videos

Also: Live Video Indexing API, Real-Time Video Indexing

Infinite Scroll SEO

Also: Endless Scroll Optimization, Continuous Scroll SEO

iOS Universal Links

Also: Universal Links for iOS, iOS Deep Linking

J

JavaScript SEO

Also: JS SEO, JavaScript Search Optimization

L

Last-Modified

Also: Last Modified Header, Last Modified Date

Latent Semantic Indexing

Also: LSI, Semantic Analysis

Link Header

Also: HTTP Link Header, Link Relation Header

Log Field: Bytes Sent

Also: Log Data: Sent Bytes, Bytes Transmitted

Log Field: Cache Status

Also: Cache Log Status, Server Cache Indicator

Log Field: Client IP

Also: Client IP Address, Visitor IP Log

Log Field: Edge IP

Also: Edge IP Log Field, Edge Server IP

Log Field: Method

Also: HTTP Method, Request Method

Log Field: Origin IP

Also: Source IP Address, Client IP

Log Field: Referrer

Also: HTTP Referrer, Referrer URL

Log Field: Request URI

Also: Request URL Log, URI Log Entry

Log Field: Response Time

Also: Server Response Duration, Response Duration Log

Log Field: Status

Also: Server Response Status, HTTP Status Code

Log Field: Timestamp

Also: Log Timestamp, Server Log Timestamp

Log Field: TLS Cipher

Also: TLS Cipher Suite, TLS Encryption Method

Log Field: TLS Protocol

Also: TLS Log Field, Transport Layer Security Log

Log Field: Upstream Time

Also: Upstream Latency, Log Field: Response Time

Log Field: User-Agent

Also: User-Agent String, Browser Identification Field

Log File Analysis

Also: Server Log Review, Crawl Log Analysis

M

max-image-preview

Also: image preview limit, image preview control

max-snippet

Also: maximum snippet length, snippet length limit

max-video-preview

Also: video preview limit, video snippet control

N

Negative SEO

Also: SEO sabotage, malicious SEO

News Sitemap

Also: News XML Sitemap, Google News Sitemap

noarchive

Also: noarchive tag, noarchive directive

nofollow

Also: no follow, no-follow attribute

noimageindex

Also: image indexing prevention, no image index directive

noindex

Also: noindex tag, noindex directive

Noindex Tag

Also: noindex directive, noindex meta tag

nosnippet

Also: no snippet tag, no snippet directive

notranslate

Also: no translate meta tag, no translate directive

O

Origin Failover

Also: Origin Backup, Failover Mechanism

Origin Fetch

Also: Server Fetch, Origin Request

Orphan Pages

Also: Unlinked Pages, Isolated Pages

P

Pagination Best Practices

Also: Pagination SEO Tips, Effective Pagination Techniques

Parameter Handling

Also: URL Parameter Management, Query String Handling

Penalty Recovery

Also: Google penalty recovery, Penalty Remediation

Permissions-Policy

Also: Feature Policy, Permissions Header

Platform Migration

Also: Website Migration, CMS Migration

Post-Launch Monitoring

Also: Site Performance Tracking, Launch Performance Analysis

Pre-Launch SEO QA

Also: Website Launch SEO Checklist, SEO Pre-Launch Audit

Pre‑Rendering

Also: Server-Side Rendering, SSR

Q

Query Deserves Freshness

Also: QDF, Freshness Algorithm

R

Ranking Factors

Also: search ranking factors, SEO ranking criteria

Rate Limiting

Also: Traffic Throttling, Request Limiting

Reconsideration Request

Also: Google reconsideration, Penalty Reinstatement Request

Redirect Chain

Also: multiple redirects, redirect loop

Redirect Mapping

Also: URL Redirect Strategy, Redirect Schema

Referrer-Policy

Also: HTTP Referrer Policy, Referrer Header Settings

Rich Snippets

Also: enhanced snippets, structured data snippets

Robots Meta Tag

Also: robots directive, robots tag

Robots vs Noindex

Also: Robots.txt vs Meta Noindex, Robots directives comparison

Robots.txt

Also: robots exclusion file, crawl control file

Robots.txt

Also: robots.txt file, robots exclusion protocol

robots.txt Allow

Also: robots.txt permission, robots.txt directive

robots.txt Crawl-delay

Also: crawl-delay directive, robots.txt delay setting

robots.txt Disallow

Also: robots.txt directives, robots.txt rules

robots.txt Host

Also: robots.txt directive, robots.txt file location

robots.txt Sitemap

Also: robots.txt file, robots.txt guide

robots.txt User-agent

Also: User-agent directive, Crawl control directive

S

Schema Markup

Also: structured data, structured markup

Scraping

Also: web scraping, data extraction

Semantic Search

Also: semantic indexing, contextual search

Server-Timing

Also: Server Response Timing, Server Timing Metrics

Server‑Side Rendering

Also: SSR, Dynamic Page Rendering

Site Architecture

Also: website structure, website hierarchy

Site Migration

Also: website migration, domain migration

Site Search

Also: internal search, on-site search

Sitemap

Also: XML sitemap, Website map

Sitemap Index

Also: Sitemap List, Index Sitemap

Sitemap.xml

Also: XML sitemap file, sitemap file

Soft 404

Also: False 404, Soft Not Found

SSL Certificate

Also: HTTPS certificate, Secure Socket Layer Certificate

Staging Noindex

Also: Staging Site Noindex, Noindex Staging Environment

Staging Parity Checks

Also: Staging Consistency Checks, Site Performance Verification

Structured Data

Also: JSON-LD, Schema Markup

Subdomain

Also: website subdomain, subdomain URL

T

Thin Index

Also: Low-Quality Index, Sparse Index

Timing-Allow-Origin

Also: Timing Origin Policy, Timing Header

U

URL Normalization

Also: URL Canonicalization, URL Standardization

URL Parameters

Also: query parameters, URL query strings

URL: ccTLD

Also: country code domain, ccTLDs in SEO

URL: Domain

Also: Domain Name, Website Domain

URL: Filter Parameters

Also: URL Query Parameters, URL Filtering Options

URL: Fragment

Also: Fragment Identifier, Hash Fragment

URL: Pagination Parameters

Also: Pagination URL Parameters, SEO Pagination Tags

URL: Path

Also: URL Structure, Website Path

URL: Protocol

Also: Web Protocol, HTTP/HTTPS

URL: Query String

Also: URL Parameters, Query Parameters

URL: Referral Parameters

Also: Referral URL Parameters, Tracking Parameters

URL: Session IDs

Also: Session ID Parameters, URL Query Strings

URL: Sort Parameters

Also: URL Sorting Parameters, Sort Query Parameters

URL: Subdomain

Also: Subdomain Structure, Subdomain SEO

URL: TLD

Also: Top-Level Domain, Domain Extension

URL: URL Encoding

Also: URI Encoding, Percent Encoding

URL: UTM Parameters

Also: UTM Tags, UTM Codes

V

Vary

Also: Vary HTTP Header, Varying Content Header

Video Sitemap

Also: Video XML Sitemap, Video Sitemap XML

W

WAF Rules

Also: Web Application Firewall Rules, WAF Policies

Webmaster Guidelines

Also: Google Webmaster Guidelines, SEO Guidelines

Webpage Indexing

Also: page indexing, site indexing

X

X-Content-Type-Options

Also: XCTO header, Content Type Options

X-Frame-Options

Also: XFO, X-Frame Header