WORDPRESS SEO · ワードプレスSEO

Fix the WordPress issues quietly suppressing your Japanese site's rankings

WordPress is widely used for Japanese business sites and blogs — including Cocoon, the most popular free theme in Japan. But Japanese character rendering, bilingual hreflang architecture, and plugin-heavy page loads create technical SEO problems that English-language SEO agencies rarely understand.

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This is for you if

Is this you?

Japanese-language business sites

Bilingual Japanese/English sites

WooCommerce stores

What's broken

Here's what's blocking your growth

Cocoon and other Japanese themes outputting duplicate or incorrect heading structure

Cocoon, SWELL, Lightning, and other popular Japanese WordPress themes have their own approaches to heading output that can produce duplicate H1 tags, incorrect heading hierarchy, and theme-generated text blocks that compete with page-level headings. Heading structure is a fundamental content signal. Theme-level heading problems across a Japanese site affect every page — and are more complex to diagnose when theme documentation is only available in Japanese.

Japanese character rendering affecting page speed

Japanese web fonts and character sets add significant file weight compared to Latin character sets. Sites loading Japanese web fonts from Google Fonts or custom sources without subsetting can add 200–500KB of font load per page. Combined with plugin bloat, this makes Japanese WordPress sites particularly susceptible to poor Core Web Vitals. Japanese mobile users — the majority of Japanese web traffic — experience the full penalty of slow LCP and CLS scores caused by unoptimised Japanese font loading.

Bilingual site hreflang missing or incorrect

Japanese businesses serving both Japanese and English-speaking audiences frequently build bilingual WordPress sites with /ja/ and /en/ subdirectory structures — but without correct hreflang implementation. Without hreflang, Google cannot determine which language version to serve to which audience. A bilingual Japanese site without hreflang ranks poorly in both Japanese and English results. Each language version must signal its target audience independently to Google.

Thin archive pages diluting crawl budget

WordPress archive pages — categories, tags, dates, authors — generate near-duplicate content in both Japanese and English on bilingual sites, doubling the crawl budget waste relative to a monolingual site. Crawl budget wasted on thin Japanese and English archives is crawl budget not spent on the priority pages you need ranked in Google Japan (google.co.jp) search results.

Plugin bloat failing Core Web Vitals

Each active plugin loads JavaScript and CSS on every page. Japanese WordPress sites, like their global counterparts, commonly run 20+ active plugins — and the font loading problem compounds the script bloat to create some of the worst Core Web Vitals scores we audit. Google Japan uses the same Core Web Vitals ranking signals as Google globally. Failing LCP and INP scores are a structural ranking penalty against Japanese competitors on leaner sites.

Internal linking not directing link equity

Japanese WordPress sites frequently have no deliberate internal linking strategy. Link equity concentrates in the homepage while service and product pages — in both Japanese and English — receive little link support. Priority pages targeting Japanese commercial terms need internal link equity to compete. A well-written Japanese service page with no internal links underperforms a weaker page with strong internal link support.

What we engineer

What's included

WordPress technical audit

Full crawl covering indexation, Core Web Vitals by page type, Japanese font load impact, plugin performance, hreflang implementation, and crawl budget waste across both language versions. Japanese WordPress sites have a distinct technical stack. The audit accounts for Japanese theme behaviour, font loading, and bilingual architecture — not just generic WordPress defaults. You get: crawl report, hreflang audit, CWV baseline including font load, plugin audit, Cocoon/SWELL/Lightning heading review, prioritised fix list.

Bilingual content architecture and internal linking

Japanese and English content mapped into topic clusters. Priority commercial pages identified in both languages. Internal linking plan covering both language versions. A bilingual Japanese site with no topic cluster architecture and no linking strategy ranks poorly in both Google Japan and international results. You get: bilingual topic cluster map, hreflang structure review, internal link plan with Japanese and English anchor text.

Yoast / RankMath / SEOPress configuration and cleanup

SEO plugin audited for both language configurations. Noindex flags corrected, sitemaps rebuilt with language-separated entries, title templates updated for Japanese and English. Japanese title tag templates, Japanese sitemap inclusion, and Japanese canonical settings are routinely left at defaults even on professionally built sites. You get: bilingual plugin settings audit, corrected configuration, separate language sitemaps, noindex/nofollow audit across post types.

Schema markup implementation

Structured data for LocalBusiness (Japan address format), Service, Article, FAQ, and BreadcrumbList in Japanese and English as applicable. Google Japan SERPs for competitive terms include rich results. Schema is the technical requirement for eligibility in both language versions. You get: schema audit, implementation in both languages, validation, ongoing schema as page types are added.

WooCommerce SEO

Product and category pages optimised for Japanese commercial keywords. Facet URL crawl waste resolved. Product schema with JPY pricing. Japanese category content strategy. Japanese WooCommerce stores face the same facet URL and product schema problems as global stores, compounded by bilingual product descriptions that are rarely optimised. You get: facet URL audit and fix, product schema with JPY, bilingual category content briefs.

Japanese keyword research and content strategy

Keyword research in Japanese for primary service, product, and location pages. Content briefs for Japanese and English content mapped to search intent. Japanese-language keyword research requires understanding Japanese search behaviour on Google Japan — different vocabulary, different intent patterns, and a different competitive landscape from English-language results. You get: Japanese keyword map, bilingual content brief, Google Japan competitor content gap analysis, editorial calendar.

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What changes

What changes

Before
After
Before Generic WordPress SEO audit that does not account for Japanese themes, Japanese font loading, or Google Japan behaviour
After We audit Cocoon, SWELL, and Lightning theme output, Japanese font load impact, and Google Japan SERP patterns — not just English-language WordPress defaults.
Before Hreflang missing or incorrect on bilingual Japanese/English sites — both versions ranking poorly
After Hreflang implemented correctly across the entire site. Each language version independently signals its target audience to Google.
Before Japanese web fonts not optimised — CLS and LCP failing, rankings suppressed
After Japanese font subsetting, preloading, and fallback strategy implemented. CWV measured before and after to confirm improvement.
Before No schema strategy for Google Japan SERPs — plain links competing against rich results
After Schema implemented in Japanese and English for every relevant page type. Rich result eligibility confirmed on Google Japan.
Before No Japanese keyword research — Japanese content ranking for wrong terms or not ranking at all
After Japanese keyword research conducted by team members with Japanese language capability. Content briefs in Japanese and English.
Common questions

Questions

Is Yoast SEO enough to rank my WordPress site in Japan?

Yoast SEO is a configuration tool, not an SEO strategy — installing it produces no ranking improvements without deliberate configuration. For Japanese WordPress sites, the configuration requirement extends to Japanese title templates, Japanese sitemap settings, and hreflang tags for bilingual content. We find Yoast and RankMath installed with no Japanese-language configuration on the majority of Japanese WordPress sites we audit.

Does the Cocoon theme affect WordPress SEO in Japan?

Yes. Cocoon is the most widely used free WordPress theme in Japan and has its own heading output behaviour, JSON-LD schema generation, and breadcrumb implementation that interacts with SEO plugins in ways that require specific configuration. We audit Cocoon-specific settings as part of every Japanese WordPress audit, including heading hierarchy output, Cocoon's built-in schema vs plugin-generated schema conflicts, and its breadcrumb configuration.

How does Japanese web font loading affect Core Web Vitals?

Japanese web fonts are substantially larger than Latin character set fonts because they must cover several thousand kanji, hiragana, and katakana characters. Without font subsetting and preloading, Japanese sites can load 200–500KB of additional font weight per page. This contributes to LCP and CLS failures — particularly on mobile connections. We audit font loading and implement subsetting, preloading, and fallback strategies as part of the technical fixes.

How do I do SEO for a Japanese/English bilingual WordPress site?

Bilingual Japanese/English WordPress SEO requires correct hreflang implementation so Google serves the right language version to the right audience, separate keyword research in Japanese and English, and SEO plugin configuration for both languages. Without hreflang, Japanese and English versions compete against each other rather than targeting separate audiences — reducing rankings for both.

Do you fix WooCommerce SEO for Japanese stores?

Yes. We address facet URL crawl waste, product schema with JPY currency, bilingual category pages, and internal linking from categories to products for Japanese WooCommerce stores.

Does switching WordPress themes hurt SEO in Japan?

Yes — particularly for Cocoon users switching to a paid theme like SWELL or Cocoon's successor theme. Theme switches can change heading output, remove Cocoon's built-in schema, and affect CWV significantly. We assist with pre- and post-migration audits to document current performance and validate the new theme before launch.

How much does WordPress SEO cost in Japan?

WordPress SEO engagements in Japan typically start from JPY 180,000–320,000 per month depending on site size, bilingual requirements, and whether WooCommerce is involved. A standalone technical audit starts from JPY 90,000. We provide a fixed-scope proposal after the initial Search Diagnostic.

How long before I see WordPress SEO results in Japan?

Technical fixes — correcting hreflang, resolving Japanese font load issues, fixing crawl waste — commonly produce measurable ranking movement within 6–10 weeks for pages suppressed by those issues. Content-driven growth for competitive Japanese-language terms typically takes 3–6 months.

Our team

The people behind the work

Not a black box. Real specialists you can call, with their names on the work.

Niraj Raut

Niraj Raut

Founder — Ecommerce SEO
Keshab Joshi

Keshab Joshi

PPC Expert
Hawrry Bhattarai

Hawrry Bhattarai

Google Ads Expert
Arogya Rijal

Arogya Rijal

SaaS SEO Expert
About Us →
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Ready to find out what is holding your Japanese WordPress site back?

We audit WordPress sites across Japan — Japanese-language business sites, bilingual Japanese/English sites, and WooCommerce stores. The Search Diagnostic identifies the specific technical issues suppressing your rankings in Google Japan and gives you a prioritised fix list before any engagement begins.

Request a Search Diagnostic →

No obligation · Japanese WordPress expertise — Cocoon, SWELL, font loading, hreflang · Fixed-scope proposal after the diagnostic · Japan · jp@ignitednepal.com