Discover key SEO terms commonly used in technical and multilingual SEO. This SEO glossary provides essential terminology for clear and actionable global communication.
International SEO Terms | International SEO Consultant Glossary

This glossary of key SEO terms and acronyms is specifically designed for SEO and marketing managers to enhance collaboration on multilingual and technical SEO. Drawing from my experience as an International SEO Consultant, I have integrated essential SEO terminology into easy-to-understand, one-sentence definitions. Each entry is crafted to promote clarity, streamline communication, and support effective global marketing strategies.

International SEO Terms: Essential Glossary for Daily Use

Technical SEO Terms

3xx Redirects

HTTP status codes indicating a webpage has been moved, including 301 (permanent) and 302 (temporary) redirects.

4xx Errors

HTTP status codes indicating client-side issues, such as broken links or incorrect URLs. Common examples include 404 (not found) and 401 (unauthorized).

Canonical Tag

A tag used to avoid duplicate content by indicating the main or original version of a webpage, known as the canonical URL.

Crawlability

The ability of search engines to discover all pages on a website, influenced by site structure and internal linking.

Discoverability

The ease with which users can find a webpage through search engines, affected by content quality and promotion strategies.

Hreflang Tag

An HTML attribute that specifies the language and geographical targeting of a webpage.

Indexability

The ability of search engines to add a webpage to their index, allowing it to appear in search results.

LLMS.txt

A file placed on a website that instructs AI systems, particularly large language models (LLMs), about which content can be read, used, or cited. It functions like robots.txt for traditional crawlers, but is specifically designed to manage AI data usage, protect sensitive content, and guide responsible content consumption by generative AI. Learn more about LLMS.txt.

Open Graph Meta Tag

An HTML tag that enhances how a web page appears on social media by controlling the display of the title, image, and description in shared links.

Orphan Page

A webpage without inbound links from other pages on the same site, making it hard for search engines and users to find.

Ranking

The position of a webpage in search engine results for specific keywords, influencing visibility and traffic.

Robots.txt

A file that instructs search engines on which pages or sections of a website to crawl or exclude from indexing.

Schema Markup

A type of structured data using a vocabulary defined by Schema.org to enhance search visibility, leading to rich snippets in results.

Structured Data

A standardized format for providing webpage content information, using various vocabularies to improve search indexing.

Content Strategy

Content Brief

A document outlining the structure, goals, keywords, and target audience for a piece of content.

Content Strategy

A plan for creating and managing media (text, images, videos) to ensure user and search engine value.

Content Syndication

Distributing content across multiple platforms to reach a wider audience.

Cultural Adaptation

Adjusting website content to align with target audience values and preferences.

CQ (Cultural Intelligence)

The ability to understand and adapt to various cultural contexts in communication and business.

Geographic SEO (GEO)

An SEO practice that localizes content and optimizes it for specific physical locations to attract and engage local audiences—not to be confused with Generative Engine Optimization (GEO), which focuses on optimizing content for generative AI systems.

Global SEO

Optimizing websites for visibility across multiple countries, targeting a broad audience.

Glocalization

A marketing strategy combining global brand consistency with local adaptation.

i18n (Internationalization)

Preparing a website for easy localization for various languages and regions.

International SEO

Balancing global and localized optimization for different countries and languages.

Localization SEO

Customizing content for local audiences to enhance search performance.

Multilingual SEO

Optimizing content for multiple languages using hreflang tags and metadata. Learn more on Multilingual SEO & Localization.

Transcreation

The process of adapting content creatively to fit cultural nuances and emotions, differing from localization, which adjusts for language and regional preferences without changing the core message.

SEO Practices

Answer Engine Optimization (AEO)

Optimizing content to appear in direct answer features like Google’s featured snippets, knowledge panels, and voice search results. Learn more about Answer Engine Optimization (AEO).

Artificial Intelligence Optimization (AIO)

Structuring and refining content to ensure AI systems can understand, interpret, and generate accurate, useful outputs. Learn more about Artificial Intelligence Optimization (AIO).

Artificial Intelligence Search Engine Optimization (AI SEO)

The use of artificial intelligence to enhance SEO practices like content generation, keyword research, and ranking optimization. Learn more about AI SEO.

Generative Engine Optimization (GEO)

Optimizing content to be understood, cited, and used by AI-driven platforms, so your site or brand can appear in AI-generated answers. Learn more about Generative Engine Optimization (GEO).

Language Engine Optimizationn (LEO)

Making content readable, culturally relevant, and consistent across languages, while also machine-readable and trustworthy for accurate LLM interpretation and referencing. Learn more about Language Engine Optimization (LEO).

NAP

Acronym for Name, Address, and Phone Number; essential for local SEO, ensuring consistent information across platforms to verify business legitimacy.

Off-page SEO

Activities outside a website, like building backlinks, to improve authority and rankings.

On-page SEO

Comprehensive optimization practices on a webpage, including OPO, content improvement, and user experience enhancements.

OPO (One Page Optimization)

Optimizing a single webpage to rank for specific keywords, targeting necessary on-page SEO elements.

PDP (Product Detail Page)

A webpage displaying detailed information about a single product, including images, descriptions, specifications, pricing, and customer reviews.

PLP (Product Listing Page)

A webpage that showcases a list of products in a specific category, facilitating browsing on ecommerce sites.

Relative Linking

A method that uses shorter, page-specific URLs, omitting the full domain, to simplify link management and improve site organization. For example, instead of linking to “https://example.com/products/page1”, you use “/products/page1” when linking from within the same site.

Search Everywhere Optimization

An SEO practice that extends optimization beyond traditional search engines by targeting multiple platforms, including social media, voice search, and AI-driven search. Learn more about Search Everywhere Optimization.

SEO Description

A brief summary of a webpage’s content, also known as the meta description, influencing click-through rates.

SEO Title

The title tag of a webpage crafted for SEO, appearing as the clickable headline in search results.

Search Generative Experience (SGE)

An AI-powered search approach that combines traditional search results with AI-generated summaries to deliver context-aware answers. Learn more about Search Generative Experience (SGE).

Snippet

A short excerpt displayed in search results, with Rich Snippets including additional elements like ratings or images.

Visual Engine Optimization (VEO)

Optimizing images, videos, and other visual content so it is discoverable, indexable, and ranked effectively across visual search engines, AI image recognition systems, and multimedia platforms. Learn more about Visual Engine Optimization (VEO).

Voice Search Optimization (VSO)

Optimizing content and website structure for voice-activated devices, focusing on natural language and conversational queries. Learn more about Voice Search Marketing & Optimization.

Keywords and User Intent

Keyword Clustering

Grouping related keywords to enhance content strategy and SEO targeting.

Keyword Research

Identifying search terms people use online, varying by country and language.

Long-Tail Keyword

A more specific, longer keyword phrase targeting niche audiences (e.g., “best Italian restaurant in Paris”).

Primary Keyword

The main keyword a webpage is optimized for, often the central focus of the content.

Seed Keyword

A basic keyword that forms the foundation for a broader keyword strategy, used to generate related keyword ideas.

User Intent

The specific information or service a user seeks when conducting a search.

Site Structure and Navigation

ccTLD (Country Code Top-Level Domain)

A domain extension specific to a country (e.g., “.uk” for the United Kingdom).

CDN (Content Delivery Network)

A network of distributed servers designed to deliver webpages more quickly by using servers that are physically closer to the user.

Domain Rating

A metric measuring a domain’s strength and authority based on backlink quality and quantity.

Geo-targeting

Configuring a website to specifically target users in designated countries or regions.

gTLD (Generic Top-Level Domain)

A domain extension not tied to a specific country (e.g., “.com”, “.org”).

SEO Siloing

Organizing website content into distinct categories or themes to improve SEO and enhance user experience.

Server Location

The physical location of a website’s server, influencing local search rankings.

Sitemap

A file listing all pages on a website, helping search engines understand and index its structure.

Subdirectory

A folder in a website’s URL structure used to organize content for different languages or regions (e.g., “example.com/fr”).

Subdomain

A separate section of a website targeting different countries or languages (e.g., “fr.example.com”).

Website Authority

A score reflecting a website’s credibility and trustworthiness, determined by content quality, backlinks, and user engagement.

Additional International SEO Terms

Baidu (百度)

The leading search engine in China, focused on Chinese-language content.

Yandex (Яндекс)

Yandex is a Russian tech company best known for its search engine and various online services.

ICANN (Internet Corporation for Assigned Names and Numbers)

A nonprofit organization responsible for coordinating the global domain name system (DNS) and IP address allocation, playing a key role in how websites are accessed worldwide.

Explore further: Understanding ICANN, ccTLDs, gTLDS, Country Codes, and Language Codes

ISO 3166

An international standard defining two- and three-letter codes for country names (e.g., “US” for the United States).

ISO 639

An international standard for short codes representing languages (e.g., “en” for English).

International SEO Terms for Better Communication and Informed Marketing

Navigating the complex world of international SEO can be challenging, especially for marketing and SEO managers juggling multiple responsibilities. This glossary highlights essential SEO terms that are crucial for effective communication with partners and stakeholders. By understanding these key concepts, you will be empowered to communicate more effectively and make informed decisions for your international marketing campaigns.

Meet the Author: Catherine Gason, International SEO Consultant

Catherine Gason | International SEO Consultant
Fluent in French, English, and Italian, Catherine Gason is a Multilingual Marketing and International SEO Consultant who addresses audience and platform differences with data-driven SEO strategies. She delivers top-tier international SEO consulting, training, and services under GasOn Marketing. Through this blog, Catherine provides actionable insights on global SEO, covering strategic planning, technical optimizations, and analytics. Her distinctive approach seamlessly integrates in-house and outsourced SEO resources, fostering collaborations with SEO companies, agencies, freelancers, and experts.