SEO audit for devicesunlimited.co.jp
介護施設向け見守りシステム導入で事故防止|デバイスアンリミテッド
Health 65/100 (fair) · 23 pages crawled · generated 2026-08-26
Download Markdown report (feed to ChatGPT / Claude / Cursor)デバイスアンリミテッドは高齢者見守りシステムと電力可視化システムで中堅・中小企業のDXを支援。介護施設向けには複数のセンサーを組み合わせた見守りソリューションで転倒事故を防止。プライバシーに配慮した設計で、スタッフの負担軽減と入居者の安全を両立。既存設備への後付け導入も簡単な、低コストDXソリューションで社会基盤を支援。
| Category | Score | Errors | Warnings | Notices |
|---|---|---|---|---|
| Canonical | 70 | 0 | 23 | 0 |
| Content | 70 | 0 | 23 | 0 |
| Headings | 70 | 0 | 23 | 0 |
| Rendering | 70 | 0 | 23 | 0 |
| Links | 71 | 0 | 22 | 0 |
| Duplicate | 88 | 0 | 9 | 2 |
| Structured Data | 99 | 0 | 1 | 10 |
| Agent Readiness | 100 | 0 | 0 | 1 |
| Meta Description | 100 | 0 | 0 | 2 |
| Mobile | 100 | 0 | 0 | 23 |
| Performance | 100 | 0 | 0 | 47 |
| Security | 100 | 0 | 0 | 23 |
| Social | 100 | 0 | 0 | 23 |
| URL | 100 | 0 | 0 | 4 |
Warnings (7 rules)
warning Missing canonical tag
Rule canonical.missing · Canonical · 23 occurrence(s)
- https://www.devicesunlimited.co.jp/
- https://www.devicesunlimited.co.jp/about_us
- https://www.devicesunlimited.co.jp/column
- https://www.devicesunlimited.co.jp/column/bed-exit-sensor-guide
- https://www.devicesunlimited.co.jp/column/care-accidentprevention-implementation
- https://www.devicesunlimited.co.jp/column/care-dx-facility-support
- https://www.devicesunlimited.co.jp/column/care-dx-monitoring-cases
- https://www.devicesunlimited.co.jp/column/carefacility-monitoring-selection
- https://www.devicesunlimited.co.jp/column/elderly-monitoring-overview
- https://www.devicesunlimited.co.jp/column/elderlycare-monitoring-importance
- https://www.devicesunlimited.co.jp/column/monitoring-camera-intro
- https://www.devicesunlimited.co.jp/column/monitoring-sensor-benefits
- https://www.devicesunlimited.co.jp/column/monitoring-setup-care
- https://www.devicesunlimited.co.jp/commercial_transactions
- https://www.devicesunlimited.co.jp/dpm
- https://www.devicesunlimited.co.jp/inquiry
- https://www.devicesunlimited.co.jp/inquiry/select
- https://www.devicesunlimited.co.jp/inquiry/select/customer
- https://www.devicesunlimited.co.jp/inquiry/select/recruit
- https://www.devicesunlimited.co.jp/inquiry/select/sales
- https://www.devicesunlimited.co.jp/privacy_policy/dpm
- https://www.devicesunlimited.co.jp/privacy_policy/rx5
- https://www.devicesunlimited.co.jp/rx5
warning Thin content (low word count)
Rule content.thin · Content · 23 occurrence(s)
- https://www.devicesunlimited.co.jp/ — 0 words
- https://www.devicesunlimited.co.jp/about_us — 0 words
- https://www.devicesunlimited.co.jp/column — 0 words
- https://www.devicesunlimited.co.jp/column/bed-exit-sensor-guide — 0 words
- https://www.devicesunlimited.co.jp/column/care-accidentprevention-implementation — 0 words
- https://www.devicesunlimited.co.jp/column/care-dx-facility-support — 0 words
- https://www.devicesunlimited.co.jp/column/care-dx-monitoring-cases — 0 words
- https://www.devicesunlimited.co.jp/column/carefacility-monitoring-selection — 0 words
- https://www.devicesunlimited.co.jp/column/elderly-monitoring-overview — 0 words
- https://www.devicesunlimited.co.jp/column/elderlycare-monitoring-importance — 0 words
- https://www.devicesunlimited.co.jp/column/monitoring-camera-intro — 0 words
- https://www.devicesunlimited.co.jp/column/monitoring-sensor-benefits — 0 words
- https://www.devicesunlimited.co.jp/column/monitoring-setup-care — 0 words
- https://www.devicesunlimited.co.jp/commercial_transactions — 0 words
- https://www.devicesunlimited.co.jp/dpm — 0 words
- https://www.devicesunlimited.co.jp/inquiry — 0 words
- https://www.devicesunlimited.co.jp/inquiry/select — 0 words
- https://www.devicesunlimited.co.jp/inquiry/select/customer — 0 words
- https://www.devicesunlimited.co.jp/inquiry/select/recruit — 0 words
- https://www.devicesunlimited.co.jp/inquiry/select/sales — 0 words
- https://www.devicesunlimited.co.jp/privacy_policy/dpm — 0 words
- https://www.devicesunlimited.co.jp/privacy_policy/rx5 — 0 words
- https://www.devicesunlimited.co.jp/rx5 — 0 words
warning Duplicate <title> across pages
Rule duplicate.title · Duplicate · 9 occurrence(s)
- https://www.devicesunlimited.co.jp/about_us — title shared by 4 pages: https://www.devicesunlimited.co.jp/dpm, https://www.devicesunlimited.co.jp/privacy_policy/dpm, https://www.devicesunlimited.co.jp/privacy_policy/rx5
- https://www.devicesunlimited.co.jp/dpm — title shared by 4 pages: https://www.devicesunlimited.co.jp/about_us, https://www.devicesunlimited.co.jp/privacy_policy/dpm, https://www.devicesunlimited.co.jp/privacy_policy/rx5
- https://www.devicesunlimited.co.jp/inquiry — title shared by 5 pages: https://www.devicesunlimited.co.jp/inquiry/select, https://www.devicesunlimited.co.jp/inquiry/select/customer, https://www.devicesunlimited.co.jp/inquiry/select/recruit
- https://www.devicesunlimited.co.jp/inquiry/select — title shared by 5 pages: https://www.devicesunlimited.co.jp/inquiry, https://www.devicesunlimited.co.jp/inquiry/select/customer, https://www.devicesunlimited.co.jp/inquiry/select/recruit
- https://www.devicesunlimited.co.jp/inquiry/select/customer — title shared by 5 pages: https://www.devicesunlimited.co.jp/inquiry, https://www.devicesunlimited.co.jp/inquiry/select, https://www.devicesunlimited.co.jp/inquiry/select/recruit
- https://www.devicesunlimited.co.jp/inquiry/select/recruit — title shared by 5 pages: https://www.devicesunlimited.co.jp/inquiry, https://www.devicesunlimited.co.jp/inquiry/select, https://www.devicesunlimited.co.jp/inquiry/select/customer
- https://www.devicesunlimited.co.jp/inquiry/select/sales — title shared by 5 pages: https://www.devicesunlimited.co.jp/inquiry, https://www.devicesunlimited.co.jp/inquiry/select, https://www.devicesunlimited.co.jp/inquiry/select/customer
- https://www.devicesunlimited.co.jp/privacy_policy/dpm — title shared by 4 pages: https://www.devicesunlimited.co.jp/dpm, https://www.devicesunlimited.co.jp/about_us, https://www.devicesunlimited.co.jp/privacy_policy/rx5
- https://www.devicesunlimited.co.jp/privacy_policy/rx5 — title shared by 4 pages: https://www.devicesunlimited.co.jp/dpm, https://www.devicesunlimited.co.jp/about_us, https://www.devicesunlimited.co.jp/privacy_policy/dpm
warning Missing <h1>
Rule h1.missing · Headings · 23 occurrence(s)
- https://www.devicesunlimited.co.jp/
- https://www.devicesunlimited.co.jp/about_us
- https://www.devicesunlimited.co.jp/column
- https://www.devicesunlimited.co.jp/column/bed-exit-sensor-guide
- https://www.devicesunlimited.co.jp/column/care-accidentprevention-implementation
- https://www.devicesunlimited.co.jp/column/care-dx-facility-support
- https://www.devicesunlimited.co.jp/column/care-dx-monitoring-cases
- https://www.devicesunlimited.co.jp/column/carefacility-monitoring-selection
- https://www.devicesunlimited.co.jp/column/elderly-monitoring-overview
- https://www.devicesunlimited.co.jp/column/elderlycare-monitoring-importance
- https://www.devicesunlimited.co.jp/column/monitoring-camera-intro
- https://www.devicesunlimited.co.jp/column/monitoring-sensor-benefits
- https://www.devicesunlimited.co.jp/column/monitoring-setup-care
- https://www.devicesunlimited.co.jp/commercial_transactions
- https://www.devicesunlimited.co.jp/dpm
- https://www.devicesunlimited.co.jp/inquiry
- https://www.devicesunlimited.co.jp/inquiry/select
- https://www.devicesunlimited.co.jp/inquiry/select/customer
- https://www.devicesunlimited.co.jp/inquiry/select/recruit
- https://www.devicesunlimited.co.jp/inquiry/select/sales
- https://www.devicesunlimited.co.jp/privacy_policy/dpm
- https://www.devicesunlimited.co.jp/privacy_policy/rx5
- https://www.devicesunlimited.co.jp/rx5
warning Orphan page (no internal inlinks)
Rule links.orphan · Links · 22 occurrence(s)
- https://www.devicesunlimited.co.jp/about_us — no internal links point here
- https://www.devicesunlimited.co.jp/column — no internal links point here
- https://www.devicesunlimited.co.jp/column/bed-exit-sensor-guide — no internal links point here
- https://www.devicesunlimited.co.jp/column/care-accidentprevention-implementation — no internal links point here
- https://www.devicesunlimited.co.jp/column/care-dx-facility-support — no internal links point here
- https://www.devicesunlimited.co.jp/column/care-dx-monitoring-cases — no internal links point here
- https://www.devicesunlimited.co.jp/column/carefacility-monitoring-selection — no internal links point here
- https://www.devicesunlimited.co.jp/column/elderly-monitoring-overview — no internal links point here
- https://www.devicesunlimited.co.jp/column/elderlycare-monitoring-importance — no internal links point here
- https://www.devicesunlimited.co.jp/column/monitoring-camera-intro — no internal links point here
- https://www.devicesunlimited.co.jp/column/monitoring-sensor-benefits — no internal links point here
- https://www.devicesunlimited.co.jp/column/monitoring-setup-care — no internal links point here
- https://www.devicesunlimited.co.jp/commercial_transactions — no internal links point here
- https://www.devicesunlimited.co.jp/dpm — no internal links point here
- https://www.devicesunlimited.co.jp/inquiry — no internal links point here
- https://www.devicesunlimited.co.jp/inquiry/select — no internal links point here
- https://www.devicesunlimited.co.jp/inquiry/select/customer — no internal links point here
- https://www.devicesunlimited.co.jp/inquiry/select/recruit — no internal links point here
- https://www.devicesunlimited.co.jp/inquiry/select/sales — no internal links point here
- https://www.devicesunlimited.co.jp/privacy_policy/dpm — no internal links point here
- https://www.devicesunlimited.co.jp/privacy_policy/rx5 — no internal links point here
- https://www.devicesunlimited.co.jp/rx5 — no internal links point here
warning Content only rendered by JavaScript (invisible to non-JS crawlers & AI)
Rule rendering.js_shell · Rendering · 23 occurrence(s)
- https://www.devicesunlimited.co.jp/ — Raw HTML has 0 words and 0 links — this page is built by JavaScript in the browser. Googlebot renders JS but delays it, and most crawlers and AI assistants (ChatGPT, Perplexity, Claude) don't run JavaScript at all, so to them the page looks empty. Server-render or pre-render your main content and navigation.
- https://www.devicesunlimited.co.jp/about_us — Raw HTML has 0 words and 0 links — this page is built by JavaScript in the browser. Googlebot renders JS but delays it, and most crawlers and AI assistants (ChatGPT, Perplexity, Claude) don't run JavaScript at all, so to them the page looks empty. Server-render or pre-render your main content and navigation.
- https://www.devicesunlimited.co.jp/column — Raw HTML has 0 words and 0 links — this page is built by JavaScript in the browser. Googlebot renders JS but delays it, and most crawlers and AI assistants (ChatGPT, Perplexity, Claude) don't run JavaScript at all, so to them the page looks empty. Server-render or pre-render your main content and navigation.
- https://www.devicesunlimited.co.jp/column/bed-exit-sensor-guide — Raw HTML has 0 words and 0 links — this page is built by JavaScript in the browser. Googlebot renders JS but delays it, and most crawlers and AI assistants (ChatGPT, Perplexity, Claude) don't run JavaScript at all, so to them the page looks empty. Server-render or pre-render your main content and navigation.
- https://www.devicesunlimited.co.jp/column/care-accidentprevention-implementation — Raw HTML has 0 words and 0 links — this page is built by JavaScript in the browser. Googlebot renders JS but delays it, and most crawlers and AI assistants (ChatGPT, Perplexity, Claude) don't run JavaScript at all, so to them the page looks empty. Server-render or pre-render your main content and navigation.
- https://www.devicesunlimited.co.jp/column/care-dx-facility-support — Raw HTML has 0 words and 0 links — this page is built by JavaScript in the browser. Googlebot renders JS but delays it, and most crawlers and AI assistants (ChatGPT, Perplexity, Claude) don't run JavaScript at all, so to them the page looks empty. Server-render or pre-render your main content and navigation.
- https://www.devicesunlimited.co.jp/column/care-dx-monitoring-cases — Raw HTML has 0 words and 0 links — this page is built by JavaScript in the browser. Googlebot renders JS but delays it, and most crawlers and AI assistants (ChatGPT, Perplexity, Claude) don't run JavaScript at all, so to them the page looks empty. Server-render or pre-render your main content and navigation.
- https://www.devicesunlimited.co.jp/column/carefacility-monitoring-selection — Raw HTML has 0 words and 0 links — this page is built by JavaScript in the browser. Googlebot renders JS but delays it, and most crawlers and AI assistants (ChatGPT, Perplexity, Claude) don't run JavaScript at all, so to them the page looks empty. Server-render or pre-render your main content and navigation.
- https://www.devicesunlimited.co.jp/column/elderly-monitoring-overview — Raw HTML has 0 words and 0 links — this page is built by JavaScript in the browser. Googlebot renders JS but delays it, and most crawlers and AI assistants (ChatGPT, Perplexity, Claude) don't run JavaScript at all, so to them the page looks empty. Server-render or pre-render your main content and navigation.
- https://www.devicesunlimited.co.jp/column/elderlycare-monitoring-importance — Raw HTML has 0 words and 0 links — this page is built by JavaScript in the browser. Googlebot renders JS but delays it, and most crawlers and AI assistants (ChatGPT, Perplexity, Claude) don't run JavaScript at all, so to them the page looks empty. Server-render or pre-render your main content and navigation.
- https://www.devicesunlimited.co.jp/column/monitoring-camera-intro — Raw HTML has 0 words and 0 links — this page is built by JavaScript in the browser. Googlebot renders JS but delays it, and most crawlers and AI assistants (ChatGPT, Perplexity, Claude) don't run JavaScript at all, so to them the page looks empty. Server-render or pre-render your main content and navigation.
- https://www.devicesunlimited.co.jp/column/monitoring-sensor-benefits — Raw HTML has 0 words and 0 links — this page is built by JavaScript in the browser. Googlebot renders JS but delays it, and most crawlers and AI assistants (ChatGPT, Perplexity, Claude) don't run JavaScript at all, so to them the page looks empty. Server-render or pre-render your main content and navigation.
- https://www.devicesunlimited.co.jp/column/monitoring-setup-care — Raw HTML has 0 words and 0 links — this page is built by JavaScript in the browser. Googlebot renders JS but delays it, and most crawlers and AI assistants (ChatGPT, Perplexity, Claude) don't run JavaScript at all, so to them the page looks empty. Server-render or pre-render your main content and navigation.
- https://www.devicesunlimited.co.jp/commercial_transactions — Raw HTML has 0 words and 0 links — this page is built by JavaScript in the browser. Googlebot renders JS but delays it, and most crawlers and AI assistants (ChatGPT, Perplexity, Claude) don't run JavaScript at all, so to them the page looks empty. Server-render or pre-render your main content and navigation.
- https://www.devicesunlimited.co.jp/dpm — Raw HTML has 0 words and 0 links — this page is built by JavaScript in the browser. Googlebot renders JS but delays it, and most crawlers and AI assistants (ChatGPT, Perplexity, Claude) don't run JavaScript at all, so to them the page looks empty. Server-render or pre-render your main content and navigation.
- https://www.devicesunlimited.co.jp/inquiry — Raw HTML has 0 words and 0 links — this page is built by JavaScript in the browser. Googlebot renders JS but delays it, and most crawlers and AI assistants (ChatGPT, Perplexity, Claude) don't run JavaScript at all, so to them the page looks empty. Server-render or pre-render your main content and navigation.
- https://www.devicesunlimited.co.jp/inquiry/select — Raw HTML has 0 words and 0 links — this page is built by JavaScript in the browser. Googlebot renders JS but delays it, and most crawlers and AI assistants (ChatGPT, Perplexity, Claude) don't run JavaScript at all, so to them the page looks empty. Server-render or pre-render your main content and navigation.
- https://www.devicesunlimited.co.jp/inquiry/select/customer — Raw HTML has 0 words and 0 links — this page is built by JavaScript in the browser. Googlebot renders JS but delays it, and most crawlers and AI assistants (ChatGPT, Perplexity, Claude) don't run JavaScript at all, so to them the page looks empty. Server-render or pre-render your main content and navigation.
- https://www.devicesunlimited.co.jp/inquiry/select/recruit — Raw HTML has 0 words and 0 links — this page is built by JavaScript in the browser. Googlebot renders JS but delays it, and most crawlers and AI assistants (ChatGPT, Perplexity, Claude) don't run JavaScript at all, so to them the page looks empty. Server-render or pre-render your main content and navigation.
- https://www.devicesunlimited.co.jp/inquiry/select/sales — Raw HTML has 0 words and 0 links — this page is built by JavaScript in the browser. Googlebot renders JS but delays it, and most crawlers and AI assistants (ChatGPT, Perplexity, Claude) don't run JavaScript at all, so to them the page looks empty. Server-render or pre-render your main content and navigation.
- https://www.devicesunlimited.co.jp/privacy_policy/dpm — Raw HTML has 0 words and 0 links — this page is built by JavaScript in the browser. Googlebot renders JS but delays it, and most crawlers and AI assistants (ChatGPT, Perplexity, Claude) don't run JavaScript at all, so to them the page looks empty. Server-render or pre-render your main content and navigation.
- https://www.devicesunlimited.co.jp/privacy_policy/rx5 — Raw HTML has 0 words and 0 links — this page is built by JavaScript in the browser. Googlebot renders JS but delays it, and most crawlers and AI assistants (ChatGPT, Perplexity, Claude) don't run JavaScript at all, so to them the page looks empty. Server-render or pre-render your main content and navigation.
- https://www.devicesunlimited.co.jp/rx5 — Raw HTML has 0 words and 0 links — this page is built by JavaScript in the browser. Googlebot renders JS but delays it, and most crawlers and AI assistants (ChatGPT, Perplexity, Claude) don't run JavaScript at all, so to them the page looks empty. Server-render or pre-render your main content and navigation.
warning Product schema missing required or recommended properties
Rule schema.product_incomplete · Structured Data · 1 occurrence(s)
- https://www.devicesunlimited.co.jp/rx5 — Product structured data is missing required properties (image, offers.price, offers.priceCurrency) — without them Google won't generate the rich result. Add each field (and validate with the Rich Results Test). It is also missing recommended properties (sku|gtin, aggregateRating, review), which enrich the result.
Notices (12 rules)
notice No llms.txt for AI agents
Rule agent.llms_txt_missing · Agent Readiness · 1 occurrence(s)
- https://www.devicesunlimited.co.jp/ — no llms.txt found at the site root — add one so AI agents get a curated site summary
notice Duplicate meta description across pages
Rule duplicate.meta_desc · Duplicate · 2 occurrence(s)
- https://www.devicesunlimited.co.jp/privacy_policy/dpm — meta description shared by 2 pages: https://www.devicesunlimited.co.jp/privacy_policy/rx5
- https://www.devicesunlimited.co.jp/privacy_policy/rx5 — meta description shared by 2 pages: https://www.devicesunlimited.co.jp/privacy_policy/dpm
notice Missing html lang attribute
Rule i18n.lang_missing · Mobile · 23 occurrence(s)
- https://www.devicesunlimited.co.jp/
- https://www.devicesunlimited.co.jp/about_us
- https://www.devicesunlimited.co.jp/column
- https://www.devicesunlimited.co.jp/column/bed-exit-sensor-guide
- https://www.devicesunlimited.co.jp/column/care-accidentprevention-implementation
- https://www.devicesunlimited.co.jp/column/care-dx-facility-support
- https://www.devicesunlimited.co.jp/column/care-dx-monitoring-cases
- https://www.devicesunlimited.co.jp/column/carefacility-monitoring-selection
- https://www.devicesunlimited.co.jp/column/elderly-monitoring-overview
- https://www.devicesunlimited.co.jp/column/elderlycare-monitoring-importance
- https://www.devicesunlimited.co.jp/column/monitoring-camera-intro
- https://www.devicesunlimited.co.jp/column/monitoring-sensor-benefits
- https://www.devicesunlimited.co.jp/column/monitoring-setup-care
- https://www.devicesunlimited.co.jp/commercial_transactions
- https://www.devicesunlimited.co.jp/dpm
- https://www.devicesunlimited.co.jp/inquiry
- https://www.devicesunlimited.co.jp/inquiry/select
- https://www.devicesunlimited.co.jp/inquiry/select/customer
- https://www.devicesunlimited.co.jp/inquiry/select/recruit
- https://www.devicesunlimited.co.jp/inquiry/select/sales
- https://www.devicesunlimited.co.jp/privacy_policy/dpm
- https://www.devicesunlimited.co.jp/privacy_policy/rx5
- https://www.devicesunlimited.co.jp/rx5
notice Meta description too long
Rule meta_desc.too_long · Meta Description · 1 occurrence(s)
- https://www.devicesunlimited.co.jp/ — 161 chars
notice Meta description too short
Rule meta_desc.too_short · Meta Description · 1 occurrence(s)
notice No ETag header (no conditional GET for unchanged pages)
Rule perf.no_etag · Performance · 23 occurrence(s)
- https://www.devicesunlimited.co.jp/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- https://www.devicesunlimited.co.jp/about_us — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- https://www.devicesunlimited.co.jp/column — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- https://www.devicesunlimited.co.jp/column/bed-exit-sensor-guide — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- https://www.devicesunlimited.co.jp/column/care-accidentprevention-implementation — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- https://www.devicesunlimited.co.jp/column/care-dx-facility-support — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- https://www.devicesunlimited.co.jp/column/care-dx-monitoring-cases — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- https://www.devicesunlimited.co.jp/column/carefacility-monitoring-selection — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- https://www.devicesunlimited.co.jp/column/elderly-monitoring-overview — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- https://www.devicesunlimited.co.jp/column/elderlycare-monitoring-importance — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- https://www.devicesunlimited.co.jp/column/monitoring-camera-intro — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- https://www.devicesunlimited.co.jp/column/monitoring-sensor-benefits — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- https://www.devicesunlimited.co.jp/column/monitoring-setup-care — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- https://www.devicesunlimited.co.jp/commercial_transactions — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- https://www.devicesunlimited.co.jp/dpm — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- https://www.devicesunlimited.co.jp/inquiry — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- https://www.devicesunlimited.co.jp/inquiry/select — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- https://www.devicesunlimited.co.jp/inquiry/select/customer — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- https://www.devicesunlimited.co.jp/inquiry/select/recruit — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- https://www.devicesunlimited.co.jp/inquiry/select/sales — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- https://www.devicesunlimited.co.jp/privacy_policy/dpm — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- https://www.devicesunlimited.co.jp/privacy_policy/rx5 — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- https://www.devicesunlimited.co.jp/rx5 — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
notice No Last-Modified header (no conditional GET for unchanged pages)
Rule perf.no_last_modified · Performance · 23 occurrence(s)
- https://www.devicesunlimited.co.jp/ — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- https://www.devicesunlimited.co.jp/about_us — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- https://www.devicesunlimited.co.jp/column — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- https://www.devicesunlimited.co.jp/column/bed-exit-sensor-guide — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- https://www.devicesunlimited.co.jp/column/care-accidentprevention-implementation — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- https://www.devicesunlimited.co.jp/column/care-dx-facility-support — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- https://www.devicesunlimited.co.jp/column/care-dx-monitoring-cases — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- https://www.devicesunlimited.co.jp/column/carefacility-monitoring-selection — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- https://www.devicesunlimited.co.jp/column/elderly-monitoring-overview — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- https://www.devicesunlimited.co.jp/column/elderlycare-monitoring-importance — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- https://www.devicesunlimited.co.jp/column/monitoring-camera-intro — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- https://www.devicesunlimited.co.jp/column/monitoring-sensor-benefits — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- https://www.devicesunlimited.co.jp/column/monitoring-setup-care — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- https://www.devicesunlimited.co.jp/commercial_transactions — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- https://www.devicesunlimited.co.jp/dpm — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- https://www.devicesunlimited.co.jp/inquiry — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- https://www.devicesunlimited.co.jp/inquiry/select — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- https://www.devicesunlimited.co.jp/inquiry/select/customer — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- https://www.devicesunlimited.co.jp/inquiry/select/recruit — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- https://www.devicesunlimited.co.jp/inquiry/select/sales — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- https://www.devicesunlimited.co.jp/privacy_policy/dpm — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- https://www.devicesunlimited.co.jp/privacy_policy/rx5 — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- https://www.devicesunlimited.co.jp/rx5 — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
notice Slow server response
Rule perf.slow_response · Performance · 1 occurrence(s)
notice FAQPage structured data (rich result removed May 2026)
Rule schema.faq_deprecated · Structured Data · 10 occurrence(s)
- https://www.devicesunlimited.co.jp/column/bed-exit-sensor-guide — FAQPage structured data is present — Google removed FAQ rich results on 7 May 2026 (except for authoritative government/health sites). The markup is harmless but earns no SERP enhancement; remove it during template maintenance.
- https://www.devicesunlimited.co.jp/column/care-accidentprevention-implementation — FAQPage structured data is present — Google removed FAQ rich results on 7 May 2026 (except for authoritative government/health sites). The markup is harmless but earns no SERP enhancement; remove it during template maintenance.
- https://www.devicesunlimited.co.jp/column/care-dx-facility-support — FAQPage structured data is present — Google removed FAQ rich results on 7 May 2026 (except for authoritative government/health sites). The markup is harmless but earns no SERP enhancement; remove it during template maintenance.
- https://www.devicesunlimited.co.jp/column/care-dx-monitoring-cases — FAQPage structured data is present — Google removed FAQ rich results on 7 May 2026 (except for authoritative government/health sites). The markup is harmless but earns no SERP enhancement; remove it during template maintenance.
- https://www.devicesunlimited.co.jp/column/carefacility-monitoring-selection — FAQPage structured data is present — Google removed FAQ rich results on 7 May 2026 (except for authoritative government/health sites). The markup is harmless but earns no SERP enhancement; remove it during template maintenance.
- https://www.devicesunlimited.co.jp/column/elderly-monitoring-overview — FAQPage structured data is present — Google removed FAQ rich results on 7 May 2026 (except for authoritative government/health sites). The markup is harmless but earns no SERP enhancement; remove it during template maintenance.
- https://www.devicesunlimited.co.jp/column/elderlycare-monitoring-importance — FAQPage structured data is present — Google removed FAQ rich results on 7 May 2026 (except for authoritative government/health sites). The markup is harmless but earns no SERP enhancement; remove it during template maintenance.
- https://www.devicesunlimited.co.jp/column/monitoring-camera-intro — FAQPage structured data is present — Google removed FAQ rich results on 7 May 2026 (except for authoritative government/health sites). The markup is harmless but earns no SERP enhancement; remove it during template maintenance.
- https://www.devicesunlimited.co.jp/column/monitoring-sensor-benefits — FAQPage structured data is present — Google removed FAQ rich results on 7 May 2026 (except for authoritative government/health sites). The markup is harmless but earns no SERP enhancement; remove it during template maintenance.
- https://www.devicesunlimited.co.jp/column/monitoring-setup-care — FAQPage structured data is present — Google removed FAQ rich results on 7 May 2026 (except for authoritative government/health sites). The markup is harmless but earns no SERP enhancement; remove it during template maintenance.
notice Missing recommended security headers
Rule security.missing_headers · Security · 23 occurrence(s)
- https://www.devicesunlimited.co.jp/ — HSTS, X-Content-Type-Options
- https://www.devicesunlimited.co.jp/about_us — HSTS, X-Content-Type-Options
- https://www.devicesunlimited.co.jp/column — HSTS, X-Content-Type-Options
- https://www.devicesunlimited.co.jp/column/bed-exit-sensor-guide — HSTS, X-Content-Type-Options
- https://www.devicesunlimited.co.jp/column/care-accidentprevention-implementation — HSTS, X-Content-Type-Options
- https://www.devicesunlimited.co.jp/column/care-dx-facility-support — HSTS, X-Content-Type-Options
- https://www.devicesunlimited.co.jp/column/care-dx-monitoring-cases — HSTS, X-Content-Type-Options
- https://www.devicesunlimited.co.jp/column/carefacility-monitoring-selection — HSTS, X-Content-Type-Options
- https://www.devicesunlimited.co.jp/column/elderly-monitoring-overview — HSTS, X-Content-Type-Options
- https://www.devicesunlimited.co.jp/column/elderlycare-monitoring-importance — HSTS, X-Content-Type-Options
- https://www.devicesunlimited.co.jp/column/monitoring-camera-intro — HSTS, X-Content-Type-Options
- https://www.devicesunlimited.co.jp/column/monitoring-sensor-benefits — HSTS, X-Content-Type-Options
- https://www.devicesunlimited.co.jp/column/monitoring-setup-care — HSTS, X-Content-Type-Options
- https://www.devicesunlimited.co.jp/commercial_transactions — HSTS, X-Content-Type-Options
- https://www.devicesunlimited.co.jp/dpm — HSTS, X-Content-Type-Options
- https://www.devicesunlimited.co.jp/inquiry — HSTS, X-Content-Type-Options
- https://www.devicesunlimited.co.jp/inquiry/select — HSTS, X-Content-Type-Options
- https://www.devicesunlimited.co.jp/inquiry/select/customer — X-Content-Type-Options, HSTS
- https://www.devicesunlimited.co.jp/inquiry/select/recruit — X-Content-Type-Options, HSTS
- https://www.devicesunlimited.co.jp/inquiry/select/sales — HSTS, X-Content-Type-Options
- https://www.devicesunlimited.co.jp/privacy_policy/dpm — HSTS, X-Content-Type-Options
- https://www.devicesunlimited.co.jp/privacy_policy/rx5 — HSTS, X-Content-Type-Options
- https://www.devicesunlimited.co.jp/rx5 — HSTS, X-Content-Type-Options
notice Missing Twitter Card tag
Rule twitter.missing · Social · 23 occurrence(s)
- https://www.devicesunlimited.co.jp/
- https://www.devicesunlimited.co.jp/about_us
- https://www.devicesunlimited.co.jp/column
- https://www.devicesunlimited.co.jp/column/bed-exit-sensor-guide
- https://www.devicesunlimited.co.jp/column/care-accidentprevention-implementation
- https://www.devicesunlimited.co.jp/column/care-dx-facility-support
- https://www.devicesunlimited.co.jp/column/care-dx-monitoring-cases
- https://www.devicesunlimited.co.jp/column/carefacility-monitoring-selection
- https://www.devicesunlimited.co.jp/column/elderly-monitoring-overview
- https://www.devicesunlimited.co.jp/column/elderlycare-monitoring-importance
- https://www.devicesunlimited.co.jp/column/monitoring-camera-intro
- https://www.devicesunlimited.co.jp/column/monitoring-sensor-benefits
- https://www.devicesunlimited.co.jp/column/monitoring-setup-care
- https://www.devicesunlimited.co.jp/commercial_transactions
- https://www.devicesunlimited.co.jp/dpm
- https://www.devicesunlimited.co.jp/inquiry
- https://www.devicesunlimited.co.jp/inquiry/select
- https://www.devicesunlimited.co.jp/inquiry/select/customer
- https://www.devicesunlimited.co.jp/inquiry/select/recruit
- https://www.devicesunlimited.co.jp/inquiry/select/sales
- https://www.devicesunlimited.co.jp/privacy_policy/dpm
- https://www.devicesunlimited.co.jp/privacy_policy/rx5
- https://www.devicesunlimited.co.jp/rx5
notice Underscores in URL path (prefer hyphens)
Rule url.underscores · URL · 4 occurrence(s)
Audit your own site — free
157 checks, internal PageRank, render-diff. No signup, results in ~30s.