⚡ Search Engine Optimization Tools in Japan

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.

Japan is an East Asian country with a population of around 125 million people.

According to our research, search engine optimization tools are used on 15.1% of websites from Japan.

⭐ Most Popular in 2026

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

The most popular is All in One SEO, which dominates the market with a substantial 65.2% share.
It is followed by Yoast SEO with 29.3% and Mieruca with 3.8%.

🚀 Highlights

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

✨ Best SEO Tools

Below is a more detailed list of 24 SEO tools used on sites from Japan, ranked by their market share.

RankNameMarket share
1
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
2
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
3
Mieruca
Tokyo, Japan

A Japanese SEO platform that provides keyword analysis, competitor analysis, content creation, generative engine optimization, and numerous AI-powered optimization tools.

4
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
5
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
6
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
7
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
8
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
9
Web Vitals
Mountain View, California, United States

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

FreeOpen source
10
SEO Framework
Alphen aan den Rijn, Netherlands

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

Free$84+/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
SmartCrawl
Melbourne, Australia

The smart WordPress SEO plugin that analyzes and optimizes.

Free$36+/year
13
SEOmatic
Webster, New York, United States

An SEO plugin for Craft CMS to manage meta tags, JSON-LD microdata, Twitter Cards tags, Facebook OpenGraph tags, sitemaps and robots.txt directives.

$99/year
14
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
15
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
16
Squirrly SEO
London, United Kingdom

An all-in-one SEO plugin for WordPress featuring an AI SEO Assistant for expert guidance, keyword research and analysis, and post and page optimization.

Free$9.99+/month
17
WordLift
Rome, Italy

An AI-powered SEO platform that enhances brand visibility across search engines, including AI assistants and next-generation platforms.

€200+/month
18
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$$$
19
Siteimprove
Copenhagen, Denmark

A cloud SaaS platform for optimizing accessibility, digital governance, user experience analytics and search marketing.

$$$
20
Crownpeak DQM
Denver, Colorado, United States

A unified solution to manage digital policies and standards across your entire web presence.

$$$
21
Monsido
Boston, Massachusetts, United States

A comprehensive website governance platform with a focus on accessibility.

$$$
22
Clearfy
Tbilisi, Georgia

A WordPress optimization plugin able to minify HTML, CSS & JS, improve SEO and increase website security.

FreeOpen source$39+
23
All In One Schema Rich Snippets
Pune, Maharashtra, India

A WordPress plugin to implement rich snippets in search results to increase CTR and improve rankings.

FreeOpen source
24
SiteBooster
Houston, Texas, United States

A service that helps improve your online presence by listing your company on dedicated business directories.

Free$14.99/month

👉 See Also

Data is based on the analysis of 157,205 websites from Japan.
Statistics were last calculated on .
For details, see our methodology and disclaimer.