⚡ Search Engine Optimization Tools in Korea

Search engine optimization (SEO) tools help website owners improve their visibility in search engines by identifying technical issues, optimizing metadata and content, and analyzing factors that influence ranking, such as keywords and backlinks.

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

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

Statistics based on 26K+ analyzed websites. About this data

⭐ 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%, followed by Rank Math with 32.8% and All in One SEO with 9.1%.

Yoast SEO 56%
Rank Math 32.8%
All in One SEO 9.1%
Ahrefs 0.9%
SEO Framework 0.4%
Web Vitals 0.4%
Schema & Structured Data 0.4%
Slim SEO 0.2%
Prerender 0.2%
SmartCrawl 0.2%
Schema.press 0.2%
SEOPress 0.1%
Schema App 0.1%
Avada SEO Suite 0.1%
Schema Pro 0.1%

🚀 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.

7. Schema & Structured Data ^(-1)
9. Prerender ^(-11)
11. Schema.press ^(-1)
13. Schema App ^(-16)

✨ Best SEO Tools

Below is a more detailed list of 18 SEO tools used on sites from Korea, ranked by their market share.

Rank	Name	Market 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	56%
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	32.8%
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	9.1%
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	0.9%
5	SEO Framework Alphen aan den Rijn, Netherlands A WordPress SEO plugin that automates on-page optimization by generating metadata, sitemaps, and structured data according to search engine guidelines. Free$84+/year	0.4%
6	Web Vitals Mountain View, California, United States A lightweight JavaScript library for measuring Core Web Vitals and related performance metrics on real users in the browser. FreeOpen source	0.4%
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	0.4%
⏳	Slim SEO Hanoi, Vietnam A lightweight WordPress SEO plugin that automates core optimization tasks with minimal configuration. FreeOpen source$59+/year	0.2%
9	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	0.2%
10	SmartCrawl Melbourne, Australia A WordPress SEO plugin that analyzes content and automates on-page optimization to improve search visibility and indexing. Free$36+/year	0.2%
11	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	0.2%
⏳	SEOPress Morcenx-la-nouvelle, France A WordPress SEO plugin that helps optimize website visibility in search engines by managing metadata, indexing rules, and technical SEO settings. FreeOpen source$49+/year	0.1%
13	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$$$	0.1%
14	Avada SEO Suite Hanoi, Vietnam A Shopify application that includes an SEO audit, speed optimizer with image compression, schema markup, and sitemaps. Free$34.95+/month	0.1%
15	Schema Pro Pune, Maharashtra, India A WordPress plugin that allows website owners & marketers to create schema markup without writing a single line of code. $69+/year	0.1%
16	Acquia Web Governance Boston, Massachusetts, United States A website governance and accessibility platform that scans, audits, and optimizes digital content to ensure compliance, quality, and user experience. $$$	0.05%
17	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	0.05%
18	Seobility Nuremberg, Germany An all-in-one SEO software designed to improve search engine rankings of websites. Free€49.90+/month	0.05%

👉 See Also

🌎 SEO in other countries

🗃️ About This Data

We evaluate the popularity of technologies based on the number of websites where we detect their usage.
Technologies without a detectable web footprint, and those we do not track, are not reflected in the calculated market share.
This report is based on the analysis of 26,390 websites from Korea.
We currently track the presence of 36 SEO tools across the web.
Of these, 18 were detected on websites from Korea.
Statistics were last calculated on May 5, 2026.
For more details, see our methodology and disclaimer.