⚡ Search Engine Optimization Tools in Korea

Search engine optimization (SEO) tools help website owners identify and fix technical issues, optimize metadata and structured data, monitor site performance and content health, and better understand how their pages are crawled, indexed, and ranked by search engines.

Korea is an East Asian country with a population of around 52 million people.

According to our research, search engine optimization tools are used on 7.4% of websites from Korea.

⭐ Most Popular in 2026

The following chart shows the top SEO tools on websites in Korea in 2026, based on market share.

The most popular is Yoast SEO with a substantial share of 56.4%, followed by Rank Math with 32.7% and All in One SEO with 9.1%.

🚀 Highlights

Here is a list of the top tools that are more popular in Korea than worldwide.
Differences between global and country rankings are shown in parentheses.

✨ Best SEO Tools

Below is a more detailed list of 16 SEO tools used on sites from Korea, ranked by their market share.

RankNameMarket share
1
Yoast SEO
Wijchen, Netherlands

A WordPress search engine optimization plugin that helps optimize website content, metadata, and technical SEO settings to improve visibility in search engines.

Free$99/year
2
Rank Math
New Delhi, India

A search engine optimization plugin for WordPress that makes it easy to optimize content with built-in suggestions based on widely accepted best practices.

Free$7.99+/month
3
All in One SEO
West Palm Beach, Florida, United States

A WordPress SEO plugin that helps optimize websites for search engines by managing metadata, sitemaps, and structured data.

Free$49.60+/year
4
Ahrefs
Singapore

A subscription-based all-in-one SEO toolset that includes Site Audit, Website Authority Checker, Keywords Explorer, Rank Tracker, Backlink Checker and more.

$129+/month
5
SEO Framework
Alphen aan den Rijn, Netherlands

A feature-complete, fully automated SEO plugin for WordPress.

Free$84+/year
6
Web Vitals
Mountain View, California, United States

A tiny JavaScript library for measuring the Web Vitals metrics on real users.

FreeOpen source
7
Schema & Structured Data
Hyderabad, India

Adds Google Rich Snippets markup according to Schema.org guidelines to structure your site for SEO.

FreeOpen source$99+/year
8
Prerender
Seattle, Washington, United States

A middleware that pre-renders JavaScript-powered websites into static HTML files, ensuring that search engine crawlers can access and index the content effectively.

Free$90+/month
9
SmartCrawl
Melbourne, Australia

The smart WordPress SEO plugin that analyzes and optimizes.

Free$36+/year
10
Schema.press
Houston, Texas, United States

A WordPress plugin that automatically generates Schema.org structured data markup in JSON-LD format.

Free$79.20+/year
11
Avada SEO Suite
Hanoi, Vietnam

A Shopify application that includes an SEO audit, speed optimizer with image compression, schema markup, and sitemaps.

Free$34.95+/month
12
Schema Pro
Pune, Maharashtra, India

A WordPress plugin that allows website owners & marketers to create schema markup without writing a single line of code.

$69+/year
13
Monsido
Boston, Massachusetts, United States

A comprehensive website governance platform with a focus on accessibility.

$$$
14
Yext
New York, United States

A cloud-based digital experience platform that includes listings management, generative AI and SEO tools, a natural language search engine and analytics.

$499+/year
15
Schema App
Guelph, Ontario, Canada

Structured Data WordPress plugin automatically generates automatically creates and deploys Schema.org markup for pages, posts, authors, and other content on your WordPress site.

Free$$$
16
Seobility
Nuremberg, Germany

An all-in-one SEO software designed to improve search engine rankings of websites.

Free€49.90+/month

👉 See Also

Data is based on the analysis of 25,802 websites from Korea.
Statistics were last calculated on .
For details, see our methodology and disclaimer.