Catalog / koyanodenki.co.jp

SEO audit for koyanodenki.co.jp

小谷野電気 - 群馬県高崎市の電気工事会社　株式会社小谷野電気

other

Health 65/100 (fair) · 50 pages crawled · generated 2026-08-26

Download Markdown report (feed to ChatGPT / Claude / Cursor)

㈱小谷野電気は、創業52年群馬県を中心に埼玉県・栃木県南部・長野県北部を主な営業エリアとした電気設備工事会社です。非対面型商談(Zoom等)対応致します電話やメッセージ・図面 ...

pages crawled

indexable pages

errors

185

warnings

535

notices

orphan pages

broken links

Category breakdown

Category	Score	Warnings	Notices
Agent Readiness	70	50	15
Performance	70	50	200
Content	73	45	0
Images	93	12	52
Meta Description	96	7	20
Structured Data	96	6	46
Budget	97	5	0
Indexability	97	5	0
Headings	98	3	26
Titles	99	2	0
Duplicate	100	0	19
Links	100	0	13
Security	100	0	77
Sitemap	100	0	5
Social	100	0	10
URL	100	0	52

Findings

Warnings (11 rules)

warning Control has no accessible name

Rule agent.control_no_name · Agent Readiness · 50 occurrence(s)

https://koyanodenki.co.jp/ — 1 button/link(s) with no text or aria-label — an agent can't target them
https://koyanodenki.co.jp/2021/06/17/%E5%BD%93%E7%A4%BE%E3%81%AE%E6%96%B0%E5%9E%8B%E3%82%B3%E3%83%AD%E3%83%8A%E3%82%A6%E3%82%A4%E3%83%AB%E3%82%B9%E6%84%9F%E6%9F%93%E4%BA%88%E9%98%B2%E3%81%AE%E5%8F%96%E3%82%8A%E7%B5%84%E3%81%BF/ — 5 button/link(s) with no text or aria-label — an agent can't target them
https://koyanodenki.co.jp/2022/06/18/lbs%EF%BC%88%E9%AB%98%E5%9C%A7%E4%BA%A4%E6%B5%81%E8%B2%A0%E8%8D%B7%E9%96%8B%E9%96%89%E5%99%A8%EF%BC%89%E3%81%AE%E4%BA%A4%E6%8F%9B/ — 6 button/link(s) with no text or aria-label — an agent can't target them
https://koyanodenki.co.jp/2023/05/05/ev%E3%82%B3%E3%83%B3%E3%82%BB%E3%83%B3%E3%83%88%E9%9B%BB%E6%BA%90%E5%B7%A5%E4%BA%8B%E7%AD%89%E3%81%AE%E4%B8%80%E9%83%A8%E5%AF%BE%E5%BF%9C%E3%82%92%E5%86%8D%E9%96%8B%E3%81%97%E3%81%BE%E3%81%99%E3%80%82/ — 6 button/link(s) with no text or aria-label — an agent can't target them
https://koyanodenki.co.jp/2023/12/ — 3 button/link(s) with no text or aria-label — an agent can't target them
https://koyanodenki.co.jp/2024/04/08/%E3%82%AA%E3%83%95%E3%82%A3%E3%82%B9%EF%BC%88%E4%BA%8B%E5%8B%99%E6%89%80%EF%BC%89%E3%81%AE%E8%9B%8D%E5%85%89%E7%81%AF%E7%85%A7%E6%98%8E%E5%99%A8%E5%85%B7%E3%82%92led%E7%85%A7%E6%98%8E%E5%99%A8/ — 6 button/link(s) with no text or aria-label — an agent can't target them
https://koyanodenki.co.jp/2024/06/ — 2 button/link(s) with no text or aria-label — an agent can't target them
https://koyanodenki.co.jp/2026/01/17/%E4%BB%8A%E5%B9%B4%E3%82%82%E5%80%A4%E4%B8%8A%E3%81%92%E3%81%AE%E6%98%A5/ — 5 button/link(s) with no text or aria-label — an agent can't target them
https://koyanodenki.co.jp/2026/05/ — 4 button/link(s) with no text or aria-label — an agent can't target them
https://koyanodenki.co.jp/category/construction-example/led%E5%8C%96/ — 2 button/link(s) with no text or aria-label — an agent can't target them
https://koyanodenki.co.jp/category/information/ — 11 button/link(s) with no text or aria-label — an agent can't target them
https://koyanodenki.co.jp/company/ — 1 button/link(s) with no text or aria-label — an agent can't target them
https://koyanodenki.co.jp/company/qualified/ — 1 button/link(s) with no text or aria-label — an agent can't target them
https://koyanodenki.co.jp/contact/ — 1 button/link(s) with no text or aria-label — an agent can't target them
https://koyanodenki.co.jp/contact/faq/ — 1 button/link(s) with no text or aria-label — an agent can't target them
https://koyanodenki.co.jp/e-yorozu/ — 6 button/link(s) with no text or aria-label — an agent can't target them
https://koyanodenki.co.jp/example/ — 1 button/link(s) with no text or aria-label — an agent can't target them
https://koyanodenki.co.jp/online-business-negotiations/ — 1 button/link(s) with no text or aria-label — an agent can't target them
https://koyanodenki.co.jp/privacy-policy/ — 1 button/link(s) with no text or aria-label — an agent can't target them
https://koyanodenki.co.jp/recruit/ — 1 button/link(s) with no text or aria-label — an agent can't target them
https://koyanodenki.co.jp/sdgs/ — 1 button/link(s) with no text or aria-label — an agent can't target them
https://koyanodenki.co.jp/service/ — 1 button/link(s) with no text or aria-label — an agent can't target them
https://koyanodenki.co.jp/tag/led%E7%85%A7%E6%98%8E/ — 4 button/link(s) with no text or aria-label — an agent can't target them
https://koyanodenki.co.jp/trouble_office/lan/ — 1 button/link(s) with no text or aria-label — an agent can't target them
https://koyanodenki.co.jp/works/%E6%96%B0%E7%AF%89%E9%9B%BB%E6%B0%97%E8%A8%AD%E5%82%99%E5%B7%A5%E4%BA%8B-3/ — 5 button/link(s) with no text or aria-label — an agent can't target them

warning Noindex page receives internal links (crawl-budget waste)

Rule budget.noindex_linked · Budget · 5 occurrence(s)

https://koyanodenki.co.jp/2021/12/ — this noindex page has 34 internal inlink(s) — Googlebot follows them, fetches the page, then drops it unindexed, spending crawl budget for no indexing benefit (and the links leak equity). Remove/redirect the links, or drop the noindex if the page should be indexed. Linked from: https://koyanodenki.co.jp/2022/06/18/lbs%EF%BC%88%E9%AB%98%E5%9C%A7%E4%BA%A4%E6%B5%81%E8%B2%A0%E8%8D%B7%E9%96%8B%E9%96%89%E5%99%A8%EF%BC%89%E3%81%AE%E4%BA%A4%E6%8F%9B/, https://koyanodenki.co.jp/2021/06/17/%E5%BD%93%E7%A4%BE%E3%81%AE%E6%96%B0%E5%9E%8B%E3%82%B3%E3%83%AD%E3%83%8A%E3%82%A6%E3%82%A4%E3%83%AB%E3%82%B9%E6%84%9F%E6%9F%93%E4%BA%88%E9%98%B2%E3%81%AE%E5%8F%96%E3%82%8A%E7%B5%84%E3%81%BF/, https://koyanodenki.co.jp/2023/05/05/ev%E3%82%B3%E3%83%B3%E3%82%BB%E3%83%B3%E3%83%88%E9%9B%BB%E6%BA%90%E5%B7%A5%E4%BA%8B%E7%AD%89%E3%81%AE%E4%B8%80%E9%83%A8%E5%AF%BE%E5%BF%9C%E3%82%92%E5%86%8D%E9%96%8B%E3%81%97%E3%81%BE%E3%81%99%E3%80%82/.
https://koyanodenki.co.jp/2022/12/ — this noindex page has 34 internal inlink(s) — Googlebot follows them, fetches the page, then drops it unindexed, spending crawl budget for no indexing benefit (and the links leak equity). Remove/redirect the links, or drop the noindex if the page should be indexed. Linked from: https://koyanodenki.co.jp/2022/06/18/lbs%EF%BC%88%E9%AB%98%E5%9C%A7%E4%BA%A4%E6%B5%81%E8%B2%A0%E8%8D%B7%E9%96%8B%E9%96%89%E5%99%A8%EF%BC%89%E3%81%AE%E4%BA%A4%E6%8F%9B/, https://koyanodenki.co.jp/2021/06/17/%E5%BD%93%E7%A4%BE%E3%81%AE%E6%96%B0%E5%9E%8B%E3%82%B3%E3%83%AD%E3%83%8A%E3%82%A6%E3%82%A4%E3%83%AB%E3%82%B9%E6%84%9F%E6%9F%93%E4%BA%88%E9%98%B2%E3%81%AE%E5%8F%96%E3%82%8A%E7%B5%84%E3%81%BF/, https://koyanodenki.co.jp/2023/05/05/ev%E3%82%B3%E3%83%B3%E3%82%BB%E3%83%B3%E3%83%88%E9%9B%BB%E6%BA%90%E5%B7%A5%E4%BA%8B%E7%AD%89%E3%81%AE%E4%B8%80%E9%83%A8%E5%AF%BE%E5%BF%9C%E3%82%92%E5%86%8D%E9%96%8B%E3%81%97%E3%81%BE%E3%81%99%E3%80%82/.
https://koyanodenki.co.jp/2023/12/ — this noindex page has 34 internal inlink(s) — Googlebot follows them, fetches the page, then drops it unindexed, spending crawl budget for no indexing benefit (and the links leak equity). Remove/redirect the links, or drop the noindex if the page should be indexed. Linked from: https://koyanodenki.co.jp/2022/06/18/lbs%EF%BC%88%E9%AB%98%E5%9C%A7%E4%BA%A4%E6%B5%81%E8%B2%A0%E8%8D%B7%E9%96%8B%E9%96%89%E5%99%A8%EF%BC%89%E3%81%AE%E4%BA%A4%E6%8F%9B/, https://koyanodenki.co.jp/2021/06/17/%E5%BD%93%E7%A4%BE%E3%81%AE%E6%96%B0%E5%9E%8B%E3%82%B3%E3%83%AD%E3%83%8A%E3%82%A6%E3%82%A4%E3%83%AB%E3%82%B9%E6%84%9F%E6%9F%93%E4%BA%88%E9%98%B2%E3%81%AE%E5%8F%96%E3%82%8A%E7%B5%84%E3%81%BF/, https://koyanodenki.co.jp/2023/05/05/ev%E3%82%B3%E3%83%B3%E3%82%BB%E3%83%B3%E3%83%88%E9%9B%BB%E6%BA%90%E5%B7%A5%E4%BA%8B%E7%AD%89%E3%81%AE%E4%B8%80%E9%83%A8%E5%AF%BE%E5%BF%9C%E3%82%92%E5%86%8D%E9%96%8B%E3%81%97%E3%81%BE%E3%81%99%E3%80%82/.
https://koyanodenki.co.jp/2024/06/ — this noindex page has 34 internal inlink(s) — Googlebot follows them, fetches the page, then drops it unindexed, spending crawl budget for no indexing benefit (and the links leak equity). Remove/redirect the links, or drop the noindex if the page should be indexed. Linked from: https://koyanodenki.co.jp/2022/06/18/lbs%EF%BC%88%E9%AB%98%E5%9C%A7%E4%BA%A4%E6%B5%81%E8%B2%A0%E8%8D%B7%E9%96%8B%E9%96%89%E5%99%A8%EF%BC%89%E3%81%AE%E4%BA%A4%E6%8F%9B/, https://koyanodenki.co.jp/2021/06/17/%E5%BD%93%E7%A4%BE%E3%81%AE%E6%96%B0%E5%9E%8B%E3%82%B3%E3%83%AD%E3%83%8A%E3%82%A6%E3%82%A4%E3%83%AB%E3%82%B9%E6%84%9F%E6%9F%93%E4%BA%88%E9%98%B2%E3%81%AE%E5%8F%96%E3%82%8A%E7%B5%84%E3%81%BF/, https://koyanodenki.co.jp/2023/05/05/ev%E3%82%B3%E3%83%B3%E3%82%BB%E3%83%B3%E3%83%88%E9%9B%BB%E6%BA%90%E5%B7%A5%E4%BA%8B%E7%AD%89%E3%81%AE%E4%B8%80%E9%83%A8%E5%AF%BE%E5%BF%9C%E3%82%92%E5%86%8D%E9%96%8B%E3%81%97%E3%81%BE%E3%81%99%E3%80%82/.
https://koyanodenki.co.jp/2026/05/ — this noindex page has 34 internal inlink(s) — Googlebot follows them, fetches the page, then drops it unindexed, spending crawl budget for no indexing benefit (and the links leak equity). Remove/redirect the links, or drop the noindex if the page should be indexed. Linked from: https://koyanodenki.co.jp/2022/06/18/lbs%EF%BC%88%E9%AB%98%E5%9C%A7%E4%BA%A4%E6%B5%81%E8%B2%A0%E8%8D%B7%E9%96%8B%E9%96%89%E5%99%A8%EF%BC%89%E3%81%AE%E4%BA%A4%E6%8F%9B/, https://koyanodenki.co.jp/2021/06/17/%E5%BD%93%E7%A4%BE%E3%81%AE%E6%96%B0%E5%9E%8B%E3%82%B3%E3%83%AD%E3%83%8A%E3%82%A6%E3%82%A4%E3%83%AB%E3%82%B9%E6%84%9F%E6%9F%93%E4%BA%88%E9%98%B2%E3%81%AE%E5%8F%96%E3%82%8A%E7%B5%84%E3%81%BF/, https://koyanodenki.co.jp/2023/05/05/ev%E3%82%B3%E3%83%B3%E3%82%BB%E3%83%B3%E3%83%88%E9%9B%BB%E6%BA%90%E5%B7%A5%E4%BA%8B%E7%AD%89%E3%81%AE%E4%B8%80%E9%83%A8%E5%AF%BE%E5%BF%9C%E3%82%92%E5%86%8D%E9%96%8B%E3%81%97%E3%81%BE%E3%81%99%E3%80%82/.

warning Thin content (low word count)

Rule content.thin · Content · 45 occurrence(s)

warning Missing <h1>

Rule h1.missing · Headings · 3 occurrence(s)

warning Images missing alt text

Rule images.missing_alt · Images · 12 occurrence(s)

https://koyanodenki.co.jp/ — 14 of 21 images missing alt
https://koyanodenki.co.jp/2021/12/ — 1 of 6 images missing alt
https://koyanodenki.co.jp/2022/12/ — 3 of 8 images missing alt
https://koyanodenki.co.jp/2023/12/ — 2 of 7 images missing alt
https://koyanodenki.co.jp/2024/06/ — 1 of 6 images missing alt
https://koyanodenki.co.jp/2026/05/ — 3 of 8 images missing alt
https://koyanodenki.co.jp/category/construction-example/led%E5%8C%96/ — 1 of 6 images missing alt
https://koyanodenki.co.jp/category/information/ — 10 of 15 images missing alt
https://koyanodenki.co.jp/category/information/page/2/ — 9 of 15 images missing alt
https://koyanodenki.co.jp/e-yorozu/ — 5 of 25 images missing alt
https://koyanodenki.co.jp/service/ — 14 of 20 images missing alt
https://koyanodenki.co.jp/tag/led%E7%85%A7%E6%98%8E/ — 3 of 8 images missing alt

warning Page is noindex

Rule index.noindex · Indexability · 5 occurrence(s)

https://koyanodenki.co.jp/2021/12/ — meta/X-Robots: meta=noindex, follow
https://koyanodenki.co.jp/2022/12/ — meta/X-Robots: meta=noindex, follow
https://koyanodenki.co.jp/2023/12/ — meta/X-Robots: meta=noindex, follow
https://koyanodenki.co.jp/2024/06/ — meta/X-Robots: meta=noindex, follow
https://koyanodenki.co.jp/2026/05/ — meta/X-Robots: meta=noindex, follow

warning Missing meta description

Rule meta_desc.missing · Meta Description · 7 occurrence(s)

warning Render-blocking script in <head> (no defer/async)

Rule perf.render_blocking · Performance · 50 occurrence(s)

https://koyanodenki.co.jp/ — 6 render-blocking <script> in <head> (add defer/async or use type=module)
https://koyanodenki.co.jp/2021/06/17/%E5%BD%93%E7%A4%BE%E3%81%AE%E6%96%B0%E5%9E%8B%E3%82%B3%E3%83%AD%E3%83%8A%E3%82%A6%E3%82%A4%E3%83%AB%E3%82%B9%E6%84%9F%E6%9F%93%E4%BA%88%E9%98%B2%E3%81%AE%E5%8F%96%E3%82%8A%E7%B5%84%E3%81%BF/ — 6 render-blocking <script> in <head> (add defer/async or use type=module)
https://koyanodenki.co.jp/2022/06/18/lbs%EF%BC%88%E9%AB%98%E5%9C%A7%E4%BA%A4%E6%B5%81%E8%B2%A0%E8%8D%B7%E9%96%8B%E9%96%89%E5%99%A8%EF%BC%89%E3%81%AE%E4%BA%A4%E6%8F%9B/ — 6 render-blocking <script> in <head> (add defer/async or use type=module)
https://koyanodenki.co.jp/2023/05/05/ev%E3%82%B3%E3%83%B3%E3%82%BB%E3%83%B3%E3%83%88%E9%9B%BB%E6%BA%90%E5%B7%A5%E4%BA%8B%E7%AD%89%E3%81%AE%E4%B8%80%E9%83%A8%E5%AF%BE%E5%BF%9C%E3%82%92%E5%86%8D%E9%96%8B%E3%81%97%E3%81%BE%E3%81%99%E3%80%82/ — 6 render-blocking <script> in <head> (add defer/async or use type=module)
https://koyanodenki.co.jp/2023/12/ — 6 render-blocking <script> in <head> (add defer/async or use type=module)
https://koyanodenki.co.jp/2024/04/08/%E3%82%AA%E3%83%95%E3%82%A3%E3%82%B9%EF%BC%88%E4%BA%8B%E5%8B%99%E6%89%80%EF%BC%89%E3%81%AE%E8%9B%8D%E5%85%89%E7%81%AF%E7%85%A7%E6%98%8E%E5%99%A8%E5%85%B7%E3%82%92led%E7%85%A7%E6%98%8E%E5%99%A8/ — 6 render-blocking <script> in <head> (add defer/async or use type=module)
https://koyanodenki.co.jp/2024/06/ — 6 render-blocking <script> in <head> (add defer/async or use type=module)
https://koyanodenki.co.jp/2026/01/17/%E4%BB%8A%E5%B9%B4%E3%82%82%E5%80%A4%E4%B8%8A%E3%81%92%E3%81%AE%E6%98%A5/ — 6 render-blocking <script> in <head> (add defer/async or use type=module)
https://koyanodenki.co.jp/2026/05/ — 6 render-blocking <script> in <head> (add defer/async or use type=module)
https://koyanodenki.co.jp/category/construction-example/led%E5%8C%96/ — 6 render-blocking <script> in <head> (add defer/async or use type=module)
https://koyanodenki.co.jp/category/information/ — 6 render-blocking <script> in <head> (add defer/async or use type=module)
https://koyanodenki.co.jp/company/ — 6 render-blocking <script> in <head> (add defer/async or use type=module)
https://koyanodenki.co.jp/company/qualified/ — 6 render-blocking <script> in <head> (add defer/async or use type=module)
https://koyanodenki.co.jp/contact/ — 6 render-blocking <script> in <head> (add defer/async or use type=module)
https://koyanodenki.co.jp/contact/faq/ — 6 render-blocking <script> in <head> (add defer/async or use type=module)
https://koyanodenki.co.jp/e-yorozu/ — 5 render-blocking <script> in <head> (add defer/async or use type=module)
https://koyanodenki.co.jp/example/ — 6 render-blocking <script> in <head> (add defer/async or use type=module)
https://koyanodenki.co.jp/online-business-negotiations/ — 6 render-blocking <script> in <head> (add defer/async or use type=module)
https://koyanodenki.co.jp/privacy-policy/ — 6 render-blocking <script> in <head> (add defer/async or use type=module)
https://koyanodenki.co.jp/recruit/ — 6 render-blocking <script> in <head> (add defer/async or use type=module)
https://koyanodenki.co.jp/sdgs/ — 6 render-blocking <script> in <head> (add defer/async or use type=module)
https://koyanodenki.co.jp/service/ — 6 render-blocking <script> in <head> (add defer/async or use type=module)
https://koyanodenki.co.jp/tag/led%E7%85%A7%E6%98%8E/ — 6 render-blocking <script> in <head> (add defer/async or use type=module)
https://koyanodenki.co.jp/trouble_office/lan/ — 6 render-blocking <script> in <head> (add defer/async or use type=module)
https://koyanodenki.co.jp/works/%E6%96%B0%E7%AF%89%E9%9B%BB%E6%B0%97%E8%A8%AD%E5%82%99%E5%B7%A5%E4%BA%8B-3/ — 6 render-blocking <script> in <head> (add defer/async or use type=module)

warning BreadcrumbList present but structurally incomplete

Rule schema.breadcrumb_incomplete · Structured Data · 2 occurrence(s)

https://koyanodenki.co.jp/ — a BreadcrumbList is present but structurally incomplete — missing required itemListElement. Give itemListElement at least 2 ListItems, each with a sequential integer position and a name, and an item URL on every entry except the last.
https://koyanodenki.co.jp/e-yorozu/ — a BreadcrumbList is present but structurally incomplete — missing required itemListElement. Give itemListElement at least 2 ListItems, each with a sequential integer position and a name, and an item URL on every entry except the last.

warning Schema describes content not visible on the page

Rule schema.hidden_content · Structured Data · 4 occurrence(s)

https://koyanodenki.co.jp/e-yorozu/ — a schema name/headline ("電気のよろず相談 - 電気のよろず相談｜小谷野電気群馬県高崎市前橋市伊勢崎市電気工事") does not appear in the page's visible text — Google's policies prohibit marking up content not visible to readers. This is a heuristic (a static-HTML substring check): JS-rendered or abbreviated names can be false positives, so verify before removing.
https://koyanodenki.co.jp/e-yorozu/2026/05/04/%E5%BD%93%E3%83%9B%E3%83%BC%E3%83%A0%E3%83%9A%E3%83%BC%E3%82%B8%E3%81%AE%E5%8F%82%E8%80%83%E4%BE%A1%E6%A0%BC%E3%81%AB%E3%81%A4%E3%81%8D%E3%81%BE%E3%81%97%E3%81%A6/ — a schema name/headline ("当ホームページの参考価格につきまして - 電気のよろず相談｜小谷野電気群馬県高崎市前橋市伊勢崎市電気工事") does not appear in the page's visible text — Google's policies prohibit marking up content not visible to readers. This is a heuristic (a static-HTML substring check): JS-rendered or abbreviated names can be false positives, so verify before removing.
https://koyanodenki.co.jp/e-yorozu/contact/ — a schema name/headline ("ご依頼・お問い合わせ - 電気のよろず相談｜小谷野電気群馬県高崎市前橋市伊勢崎市電気工事") does not appear in the page's visible text — Google's policies prohibit marking up content not visible to readers. This is a heuristic (a static-HTML substring check): JS-rendered or abbreviated names can be false positives, so verify before removing.
https://koyanodenki.co.jp/e-yorozu/trouble_home/lighting/ — a schema name/headline ("照明器具の困ったを解決 - 電気のよろず相談｜小谷野電気群馬県高崎市前橋市伊勢崎市電気工事") does not appear in the page's visible text — Google's policies prohibit marking up content not visible to readers. This is a heuristic (a static-HTML substring check): JS-rendered or abbreviated names can be false positives, so verify before removing.

warning Title likely truncated in SERP (too wide)

Rule title.too_long · Titles · 2 occurrence(s)

Notices (22 rules)

notice Heading levels skip a level

Rule agent.heading_skip · Agent Readiness · 13 occurrence(s)

https://koyanodenki.co.jp/2021/12/ — h3 follows h1 — skips h2
https://koyanodenki.co.jp/2022/12/ — h3 follows h1 — skips h2
https://koyanodenki.co.jp/2023/12/ — h3 follows h1 — skips h2
https://koyanodenki.co.jp/2024/06/ — h3 follows h1 — skips h2
https://koyanodenki.co.jp/2026/05/ — h3 follows h1 — skips h2
https://koyanodenki.co.jp/category/construction-example/led%E5%8C%96/ — h3 follows h1 — skips h2
https://koyanodenki.co.jp/category/information/ — h3 follows h1 — skips h2
https://koyanodenki.co.jp/category/information/page/2/ — h3 follows h1 — skips h2
https://koyanodenki.co.jp/e-yorozu/ — h4 follows h2 — skips h3
https://koyanodenki.co.jp/e-yorozu/2026/05/04/%E5%BD%93%E3%83%9B%E3%83%BC%E3%83%A0%E3%83%9A%E3%83%BC%E3%82%B8%E3%81%AE%E5%8F%82%E8%80%83%E4%BE%A1%E6%A0%BC%E3%81%AB%E3%81%A4%E3%81%8D%E3%81%BE%E3%81%97%E3%81%A6/ — h4 follows h2 — skips h3
https://koyanodenki.co.jp/e-yorozu/contact/ — h4 follows h2 — skips h3
https://koyanodenki.co.jp/e-yorozu/trouble_home/lighting/ — h5 follows h2 — skips h3
https://koyanodenki.co.jp/tag/led%E7%85%A7%E6%98%8E/ — h3 follows h1 — skips h2

notice No llms.txt for AI agents

Rule agent.llms_txt_missing · Agent Readiness · 1 occurrence(s)

https://koyanodenki.co.jp/ — no llms.txt found at the site root — add one so AI agents get a curated site summary

notice No main landmark for AI agents

Rule agent.no_main_landmark · Agent Readiness · 1 occurrence(s)

https://koyanodenki.co.jp/e-yorozu/ — add a <main> element (or role=main) around the primary content

notice Duplicate meta description across pages

Rule duplicate.meta_desc · Duplicate · 19 occurrence(s)

https://koyanodenki.co.jp/2021/11/03/%E9%81%8B%E9%80%81%E4%BC%9A%E7%A4%BE%E6%A7%98%E3%81%AE%E5%80%89%E5%BA%AB%E3%82%92%E4%B8%80%E9%83%A8led%E5%8C%96/ — meta description shared by 19 pages: https://koyanodenki.co.jp/2022/06/18/lbs%EF%BC%88%E9%AB%98%E5%9C%A7%E4%BA%A4%E6%B5%81%E8%B2%A0%E8%8D%B7%E9%96%8B%E9%96%89%E5%99%A8%EF%BC%89%E3%81%AE%E4%BA%A4%E6%8F%9B/, https://koyanodenki.co.jp/2023/05/05/ev%E3%82%B3%E3%83%B3%E3%82%BB%E3%83%B3%E3%83%88%E9%9B%BB%E6%BA%90%E5%B7%A5%E4%BA%8B%E7%AD%89%E3%81%AE%E4%B8%80%E9%83%A8%E5%AF%BE%E5%BF%9C%E3%82%92%E5%86%8D%E9%96%8B%E3%81%97%E3%81%BE%E3%81%99%E3%80%82/, https://koyanodenki.co.jp/2024/04/08/%E3%82%AA%E3%83%95%E3%82%A3%E3%82%B9%EF%BC%88%E4%BA%8B%E5%8B%99%E6%89%80%EF%BC%89%E3%81%AE%E8%9B%8D%E5%85%89%E7%81%AF%E7%85%A7%E6%98%8E%E5%99%A8%E5%85%B7%E3%82%92led%E7%85%A7%E6%98%8E%E5%99%A8/
https://koyanodenki.co.jp/2021/11/15/%E5%A4%A9%E4%BA%95%E6%8F%9B%E6%B0%97%E6%89%87%E3%81%AE%E4%BA%A4%E6%8F%9B/ — meta description shared by 19 pages: https://koyanodenki.co.jp/2022/06/18/lbs%EF%BC%88%E9%AB%98%E5%9C%A7%E4%BA%A4%E6%B5%81%E8%B2%A0%E8%8D%B7%E9%96%8B%E9%96%89%E5%99%A8%EF%BC%89%E3%81%AE%E4%BA%A4%E6%8F%9B/, https://koyanodenki.co.jp/2023/05/05/ev%E3%82%B3%E3%83%B3%E3%82%BB%E3%83%B3%E3%83%88%E9%9B%BB%E6%BA%90%E5%B7%A5%E4%BA%8B%E7%AD%89%E3%81%AE%E4%B8%80%E9%83%A8%E5%AF%BE%E5%BF%9C%E3%82%92%E5%86%8D%E9%96%8B%E3%81%97%E3%81%BE%E3%81%99%E3%80%82/, https://koyanodenki.co.jp/2024/04/08/%E3%82%AA%E3%83%95%E3%82%A3%E3%82%B9%EF%BC%88%E4%BA%8B%E5%8B%99%E6%89%80%EF%BC%89%E3%81%AE%E8%9B%8D%E5%85%89%E7%81%AF%E7%85%A7%E6%98%8E%E5%99%A8%E5%85%B7%E3%82%92led%E7%85%A7%E6%98%8E%E5%99%A8/
https://koyanodenki.co.jp/2021/11/20/%E6%A5%AD%E5%8B%99%E7%94%A8%E3%82%A8%E3%82%A2%E3%82%B3%E3%83%B3%E5%B7%A5%E4%BA%8B%EF%BC%88%E4%BA%A4%E6%8F%9B%EF%BC%89/ — meta description shared by 19 pages: https://koyanodenki.co.jp/2022/06/18/lbs%EF%BC%88%E9%AB%98%E5%9C%A7%E4%BA%A4%E6%B5%81%E8%B2%A0%E8%8D%B7%E9%96%8B%E9%96%89%E5%99%A8%EF%BC%89%E3%81%AE%E4%BA%A4%E6%8F%9B/, https://koyanodenki.co.jp/2023/05/05/ev%E3%82%B3%E3%83%B3%E3%82%BB%E3%83%B3%E3%83%88%E9%9B%BB%E6%BA%90%E5%B7%A5%E4%BA%8B%E7%AD%89%E3%81%AE%E4%B8%80%E9%83%A8%E5%AF%BE%E5%BF%9C%E3%82%92%E5%86%8D%E9%96%8B%E3%81%97%E3%81%BE%E3%81%99%E3%80%82/, https://koyanodenki.co.jp/2024/04/08/%E3%82%AA%E3%83%95%E3%82%A3%E3%82%B9%EF%BC%88%E4%BA%8B%E5%8B%99%E6%89%80%EF%BC%89%E3%81%AE%E8%9B%8D%E5%85%89%E7%81%AF%E7%85%A7%E6%98%8E%E5%99%A8%E5%85%B7%E3%82%92led%E7%85%A7%E6%98%8E%E5%99%A8/
https://koyanodenki.co.jp/2021/12/27/%E4%BB%8A%E5%B9%B4%E6%9C%80%E5%BE%8C%E3%81%AEpas%EF%BC%88%E6%B0%97%E4%B8%AD%E9%96%8B%E9%96%89%E5%99%A8%E3%81%AE%E4%BA%A4%E6%8F%9B%EF%BC%89/ — meta description shared by 19 pages: https://koyanodenki.co.jp/2022/06/18/lbs%EF%BC%88%E9%AB%98%E5%9C%A7%E4%BA%A4%E6%B5%81%E8%B2%A0%E8%8D%B7%E9%96%8B%E9%96%89%E5%99%A8%EF%BC%89%E3%81%AE%E4%BA%A4%E6%8F%9B/, https://koyanodenki.co.jp/2023/05/05/ev%E3%82%B3%E3%83%B3%E3%82%BB%E3%83%B3%E3%83%88%E9%9B%BB%E6%BA%90%E5%B7%A5%E4%BA%8B%E7%AD%89%E3%81%AE%E4%B8%80%E9%83%A8%E5%AF%BE%E5%BF%9C%E3%82%92%E5%86%8D%E9%96%8B%E3%81%97%E3%81%BE%E3%81%99%E3%80%82/, https://koyanodenki.co.jp/2024/04/08/%E3%82%AA%E3%83%95%E3%82%A3%E3%82%B9%EF%BC%88%E4%BA%8B%E5%8B%99%E6%89%80%EF%BC%89%E3%81%AE%E8%9B%8D%E5%85%89%E7%81%AF%E7%85%A7%E6%98%8E%E5%99%A8%E5%85%B7%E3%82%92led%E7%85%A7%E6%98%8E%E5%99%A8/
https://koyanodenki.co.jp/2022/01/03/%E7%9B%B4%E7%AE%A1%E5%9E%8Bled%E3%83%A9%E3%83%B3%E3%83%97%E3%82%92%E4%BD%BF%E7%94%A8%E3%81%97%E3%81%9F%E3%80%81%E8%A3%BD%E9%80%A0%E5%B7%A5%E5%A0%B4%E3%81%AE%E3%83%99%E3%83%BC%E3%82%B9%E7%85%A7/ — meta description shared by 19 pages: https://koyanodenki.co.jp/2022/06/18/lbs%EF%BC%88%E9%AB%98%E5%9C%A7%E4%BA%A4%E6%B5%81%E8%B2%A0%E8%8D%B7%E9%96%8B%E9%96%89%E5%99%A8%EF%BC%89%E3%81%AE%E4%BA%A4%E6%8F%9B/, https://koyanodenki.co.jp/2023/05/05/ev%E3%82%B3%E3%83%B3%E3%82%BB%E3%83%B3%E3%83%88%E9%9B%BB%E6%BA%90%E5%B7%A5%E4%BA%8B%E7%AD%89%E3%81%AE%E4%B8%80%E9%83%A8%E5%AF%BE%E5%BF%9C%E3%82%92%E5%86%8D%E9%96%8B%E3%81%97%E3%81%BE%E3%81%99%E3%80%82/, https://koyanodenki.co.jp/2024/04/08/%E3%82%AA%E3%83%95%E3%82%A3%E3%82%B9%EF%BC%88%E4%BA%8B%E5%8B%99%E6%89%80%EF%BC%89%E3%81%AE%E8%9B%8D%E5%85%89%E7%81%AF%E7%85%A7%E6%98%8E%E5%99%A8%E5%85%B7%E3%82%92led%E7%85%A7%E6%98%8E%E5%99%A8/
https://koyanodenki.co.jp/2022/01/10/%E3%82%AA%E3%83%95%E3%82%A3%E3%82%B9%E3%81%AE%E8%9B%8D%E5%85%89%E7%81%AF%E5%99%A8%E5%85%B7%E3%82%92led%E5%8C%96/ — meta description shared by 19 pages: https://koyanodenki.co.jp/2022/06/18/lbs%EF%BC%88%E9%AB%98%E5%9C%A7%E4%BA%A4%E6%B5%81%E8%B2%A0%E8%8D%B7%E9%96%8B%E9%96%89%E5%99%A8%EF%BC%89%E3%81%AE%E4%BA%A4%E6%8F%9B/, https://koyanodenki.co.jp/2023/05/05/ev%E3%82%B3%E3%83%B3%E3%82%BB%E3%83%B3%E3%83%88%E9%9B%BB%E6%BA%90%E5%B7%A5%E4%BA%8B%E7%AD%89%E3%81%AE%E4%B8%80%E9%83%A8%E5%AF%BE%E5%BF%9C%E3%82%92%E5%86%8D%E9%96%8B%E3%81%97%E3%81%BE%E3%81%99%E3%80%82/, https://koyanodenki.co.jp/2024/04/08/%E3%82%AA%E3%83%95%E3%82%A3%E3%82%B9%EF%BC%88%E4%BA%8B%E5%8B%99%E6%89%80%EF%BC%89%E3%81%AE%E8%9B%8D%E5%85%89%E7%81%AF%E7%85%A7%E6%98%8E%E5%99%A8%E5%85%B7%E3%82%92led%E7%85%A7%E6%98%8E%E5%99%A8/
https://koyanodenki.co.jp/2022/01/25/led%E3%83%99%E3%83%BC%E3%82%B9%E3%83%A9%E3%82%A4%E3%83%88%E3%81%AE%E8%BF%BD%E5%8A%A0%EF%BC%88%E2%80%BB%E6%92%AE%E5%BD%B1%E6%A9%9F%E6%9D%90%E3%81%8C%E7%95%B0%E3%81%AA%E3%82%8A%E3%81%BE%E3%81%99/ — meta description shared by 19 pages: https://koyanodenki.co.jp/2022/06/18/lbs%EF%BC%88%E9%AB%98%E5%9C%A7%E4%BA%A4%E6%B5%81%E8%B2%A0%E8%8D%B7%E9%96%8B%E9%96%89%E5%99%A8%EF%BC%89%E3%81%AE%E4%BA%A4%E6%8F%9B/, https://koyanodenki.co.jp/2023/05/05/ev%E3%82%B3%E3%83%B3%E3%82%BB%E3%83%B3%E3%83%88%E9%9B%BB%E6%BA%90%E5%B7%A5%E4%BA%8B%E7%AD%89%E3%81%AE%E4%B8%80%E9%83%A8%E5%AF%BE%E5%BF%9C%E3%82%92%E5%86%8D%E9%96%8B%E3%81%97%E3%81%BE%E3%81%99%E3%80%82/, https://koyanodenki.co.jp/2024/04/08/%E3%82%AA%E3%83%95%E3%82%A3%E3%82%B9%EF%BC%88%E4%BA%8B%E5%8B%99%E6%89%80%EF%BC%89%E3%81%AE%E8%9B%8D%E5%85%89%E7%81%AF%E7%85%A7%E6%98%8E%E5%99%A8%E5%85%B7%E3%82%92led%E7%85%A7%E6%98%8E%E5%99%A8/
https://koyanodenki.co.jp/2022/04/16/%E7%90%86%E5%AE%B9%E5%AE%A4%E3%81%95%E3%82%93%E3%81%A8%E7%BE%8E%E5%AE%B9%E5%AE%A4%E3%81%95%E3%82%93%E3%81%AE%E3%83%87%E3%82%B6%E3%82%A4%E3%83%B3%E7%85%A7%E6%98%8E%E3%82%92led%E5%8C%96/ — meta description shared by 19 pages: https://koyanodenki.co.jp/2022/06/18/lbs%EF%BC%88%E9%AB%98%E5%9C%A7%E4%BA%A4%E6%B5%81%E8%B2%A0%E8%8D%B7%E9%96%8B%E9%96%89%E5%99%A8%EF%BC%89%E3%81%AE%E4%BA%A4%E6%8F%9B/, https://koyanodenki.co.jp/2023/05/05/ev%E3%82%B3%E3%83%B3%E3%82%BB%E3%83%B3%E3%83%88%E9%9B%BB%E6%BA%90%E5%B7%A5%E4%BA%8B%E7%AD%89%E3%81%AE%E4%B8%80%E9%83%A8%E5%AF%BE%E5%BF%9C%E3%82%92%E5%86%8D%E9%96%8B%E3%81%97%E3%81%BE%E3%81%99%E3%80%82/, https://koyanodenki.co.jp/2024/04/08/%E3%82%AA%E3%83%95%E3%82%A3%E3%82%B9%EF%BC%88%E4%BA%8B%E5%8B%99%E6%89%80%EF%BC%89%E3%81%AE%E8%9B%8D%E5%85%89%E7%81%AF%E7%85%A7%E6%98%8E%E5%99%A8%E5%85%B7%E3%82%92led%E7%85%A7%E6%98%8E%E5%99%A8/
https://koyanodenki.co.jp/2022/06/18/lbs%EF%BC%88%E9%AB%98%E5%9C%A7%E4%BA%A4%E6%B5%81%E8%B2%A0%E8%8D%B7%E9%96%8B%E9%96%89%E5%99%A8%EF%BC%89%E3%81%AE%E4%BA%A4%E6%8F%9B/ — meta description shared by 19 pages: https://koyanodenki.co.jp/2023/05/05/ev%E3%82%B3%E3%83%B3%E3%82%BB%E3%83%B3%E3%83%88%E9%9B%BB%E6%BA%90%E5%B7%A5%E4%BA%8B%E7%AD%89%E3%81%AE%E4%B8%80%E9%83%A8%E5%AF%BE%E5%BF%9C%E3%82%92%E5%86%8D%E9%96%8B%E3%81%97%E3%81%BE%E3%81%99%E3%80%82/, https://koyanodenki.co.jp/2024/04/08/%E3%82%AA%E3%83%95%E3%82%A3%E3%82%B9%EF%BC%88%E4%BA%8B%E5%8B%99%E6%89%80%EF%BC%89%E3%81%AE%E8%9B%8D%E5%85%89%E7%81%AF%E7%85%A7%E6%98%8E%E5%99%A8%E5%85%B7%E3%82%92led%E7%85%A7%E6%98%8E%E5%99%A8/, https://koyanodenki.co.jp/2022/07/31/%E5%8D%8A%E5%B9%B4%E4%BB%A5%E4%B8%8A%E6%94%BE%E7%BD%AE%E3%81%97%E3%81%A6%E3%81%84%E3%81%9F%E7%94%BB%E5%83%8F%E3%81%A7%E3%81%99%E3%80%82%E3%80%80%E8%B6%85%E3%82%B9%E3%83%9E%E3%83%BC%E3%83%88%E3%82%AD/
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notice Multiple <h1> elements

Rule h1.multiple · Headings · 26 occurrence(s)

notice Image filename is generic/auto-generated (missed image-search signal)

Rule images.generic_filename · Images · 2 occurrence(s)

https://koyanodenki.co.jp/2022/01/03/%E7%9B%B4%E7%AE%A1%E5%9E%8Bled%E3%83%A9%E3%83%B3%E3%83%97%E3%82%92%E4%BD%BF%E7%94%A8%E3%81%97%E3%81%9F%E3%80%81%E8%A3%BD%E9%80%A0%E5%B7%A5%E5%A0%B4%E3%81%AE%E3%83%99%E3%83%BC%E3%82%B9%E7%85%A7/ — 1 image(s) use a generic/auto-generated filename (e.g. IMG_1234.jpg, photo1.png, a bare UUID). Google reads the filename as a signal of image content, so rename files descriptively (hyphen-separated words) before upload.
https://koyanodenki.co.jp/2023/07/06/vcb-%E9%AB%98%E5%9C%A7%E7%9C%9F%E7%A9%BA%E9%81%AE%E6%96%AD%E6%A9%9F-%E3%81%AE%E4%BA%A4%E6%8F%9B/ — 1 image(s) use a generic/auto-generated filename (e.g. IMG_1234.jpg, photo1.png, a bare UUID). Google reads the filename as a signal of image content, so rename files descriptively (hyphen-separated words) before upload.

notice Likely hero image lacks fetchpriority=high

Rule images.hero_no_fetchpriority · Performance · 50 occurrence(s)

https://koyanodenki.co.jp/ — the likely hero/LCP image (sitelogo2.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
https://koyanodenki.co.jp/2021/06/17/%E5%BD%93%E7%A4%BE%E3%81%AE%E6%96%B0%E5%9E%8B%E3%82%B3%E3%83%AD%E3%83%8A%E3%82%A6%E3%82%A4%E3%83%AB%E3%82%B9%E6%84%9F%E6%9F%93%E4%BA%88%E9%98%B2%E3%81%AE%E5%8F%96%E3%82%8A%E7%B5%84%E3%81%BF/ — the likely hero/LCP image (sitelogo2.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
https://koyanodenki.co.jp/2022/06/18/lbs%EF%BC%88%E9%AB%98%E5%9C%A7%E4%BA%A4%E6%B5%81%E8%B2%A0%E8%8D%B7%E9%96%8B%E9%96%89%E5%99%A8%EF%BC%89%E3%81%AE%E4%BA%A4%E6%8F%9B/ — the likely hero/LCP image (sitelogo2.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
https://koyanodenki.co.jp/2023/05/05/ev%E3%82%B3%E3%83%B3%E3%82%BB%E3%83%B3%E3%83%88%E9%9B%BB%E6%BA%90%E5%B7%A5%E4%BA%8B%E7%AD%89%E3%81%AE%E4%B8%80%E9%83%A8%E5%AF%BE%E5%BF%9C%E3%82%92%E5%86%8D%E9%96%8B%E3%81%97%E3%81%BE%E3%81%99%E3%80%82/ — the likely hero/LCP image (sitelogo2.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
https://koyanodenki.co.jp/2023/12/ — the likely hero/LCP image (sitelogo2.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
https://koyanodenki.co.jp/2024/04/08/%E3%82%AA%E3%83%95%E3%82%A3%E3%82%B9%EF%BC%88%E4%BA%8B%E5%8B%99%E6%89%80%EF%BC%89%E3%81%AE%E8%9B%8D%E5%85%89%E7%81%AF%E7%85%A7%E6%98%8E%E5%99%A8%E5%85%B7%E3%82%92led%E7%85%A7%E6%98%8E%E5%99%A8/ — the likely hero/LCP image (sitelogo2.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
https://koyanodenki.co.jp/2024/06/ — the likely hero/LCP image (sitelogo2.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
https://koyanodenki.co.jp/2026/01/17/%E4%BB%8A%E5%B9%B4%E3%82%82%E5%80%A4%E4%B8%8A%E3%81%92%E3%81%AE%E6%98%A5/ — the likely hero/LCP image (sitelogo2.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
https://koyanodenki.co.jp/2026/05/ — the likely hero/LCP image (sitelogo2.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
https://koyanodenki.co.jp/category/construction-example/led%E5%8C%96/ — the likely hero/LCP image (sitelogo2.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
https://koyanodenki.co.jp/category/information/ — the likely hero/LCP image (sitelogo2.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
https://koyanodenki.co.jp/company/ — the likely hero/LCP image (sitelogo2.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
https://koyanodenki.co.jp/company/qualified/ — the likely hero/LCP image (sitelogo2.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
https://koyanodenki.co.jp/contact/ — the likely hero/LCP image (sitelogo2.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
https://koyanodenki.co.jp/contact/faq/ — the likely hero/LCP image (sitelogo2.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
https://koyanodenki.co.jp/e-yorozu/ — the likely hero/LCP image (sitelogo.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
https://koyanodenki.co.jp/example/ — the likely hero/LCP image (sitelogo2.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
https://koyanodenki.co.jp/online-business-negotiations/ — the likely hero/LCP image (sitelogo2.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
https://koyanodenki.co.jp/privacy-policy/ — the likely hero/LCP image (sitelogo2.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
https://koyanodenki.co.jp/recruit/ — the likely hero/LCP image (sitelogo2.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
https://koyanodenki.co.jp/sdgs/ — the likely hero/LCP image (sitelogo2.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
https://koyanodenki.co.jp/service/ — the likely hero/LCP image (sitelogo2.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
https://koyanodenki.co.jp/tag/led%E7%85%A7%E6%98%8E/ — the likely hero/LCP image (sitelogo2.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
https://koyanodenki.co.jp/trouble_office/lan/ — the likely hero/LCP image (sitelogo2.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
https://koyanodenki.co.jp/works/%E6%96%B0%E7%AF%89%E9%9B%BB%E6%B0%97%E8%A8%AD%E5%82%99%E5%B7%A5%E4%BA%8B-3/ — the likely hero/LCP image (sitelogo2.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.

notice Images without width/height (layout shift / CLS)

Rule images.missing_dimensions · Images · 50 occurrence(s)

https://koyanodenki.co.jp/ — 15 of 21 images without width/height
https://koyanodenki.co.jp/2021/06/17/%E5%BD%93%E7%A4%BE%E3%81%AE%E6%96%B0%E5%9E%8B%E3%82%B3%E3%83%AD%E3%83%8A%E3%82%A6%E3%82%A4%E3%83%AB%E3%82%B9%E6%84%9F%E6%9F%93%E4%BA%88%E9%98%B2%E3%81%AE%E5%8F%96%E3%82%8A%E7%B5%84%E3%81%BF/ — 1 of 9 images without width/height
https://koyanodenki.co.jp/2022/06/18/lbs%EF%BC%88%E9%AB%98%E5%9C%A7%E4%BA%A4%E6%B5%81%E8%B2%A0%E8%8D%B7%E9%96%8B%E9%96%89%E5%99%A8%EF%BC%89%E3%81%AE%E4%BA%A4%E6%8F%9B/ — 1 of 6 images without width/height
https://koyanodenki.co.jp/2023/05/05/ev%E3%82%B3%E3%83%B3%E3%82%BB%E3%83%B3%E3%83%88%E9%9B%BB%E6%BA%90%E5%B7%A5%E4%BA%8B%E7%AD%89%E3%81%AE%E4%B8%80%E9%83%A8%E5%AF%BE%E5%BF%9C%E3%82%92%E5%86%8D%E9%96%8B%E3%81%97%E3%81%BE%E3%81%99%E3%80%82/ — 1 of 6 images without width/height
https://koyanodenki.co.jp/2023/12/ — 3 of 7 images without width/height
https://koyanodenki.co.jp/2024/04/08/%E3%82%AA%E3%83%95%E3%82%A3%E3%82%B9%EF%BC%88%E4%BA%8B%E5%8B%99%E6%89%80%EF%BC%89%E3%81%AE%E8%9B%8D%E5%85%89%E7%81%AF%E7%85%A7%E6%98%8E%E5%99%A8%E5%85%B7%E3%82%92led%E7%85%A7%E6%98%8E%E5%99%A8/ — 1 of 6 images without width/height
https://koyanodenki.co.jp/2024/06/ — 2 of 6 images without width/height
https://koyanodenki.co.jp/2026/01/17/%E4%BB%8A%E5%B9%B4%E3%82%82%E5%80%A4%E4%B8%8A%E3%81%92%E3%81%AE%E6%98%A5/ — 1 of 5 images without width/height
https://koyanodenki.co.jp/2026/05/ — 4 of 8 images without width/height
https://koyanodenki.co.jp/category/construction-example/led%E5%8C%96/ — 2 of 6 images without width/height
https://koyanodenki.co.jp/category/information/ — 11 of 15 images without width/height
https://koyanodenki.co.jp/company/ — 1 of 6 images without width/height
https://koyanodenki.co.jp/company/qualified/ — 1 of 6 images without width/height
https://koyanodenki.co.jp/contact/ — 1 of 6 images without width/height
https://koyanodenki.co.jp/contact/faq/ — 1 of 5 images without width/height
https://koyanodenki.co.jp/e-yorozu/ — 14 of 25 images without width/height
https://koyanodenki.co.jp/example/ — 1 of 15 images without width/height
https://koyanodenki.co.jp/online-business-negotiations/ — 1 of 6 images without width/height
https://koyanodenki.co.jp/privacy-policy/ — 1 of 6 images without width/height
https://koyanodenki.co.jp/recruit/ — 1 of 6 images without width/height
https://koyanodenki.co.jp/sdgs/ — 1 of 11 images without width/height
https://koyanodenki.co.jp/service/ — 15 of 20 images without width/height
https://koyanodenki.co.jp/tag/led%E7%85%A7%E6%98%8E/ — 4 of 8 images without width/height
https://koyanodenki.co.jp/trouble_office/lan/ — 2 of 6 images without width/height
https://koyanodenki.co.jp/works/%E6%96%B0%E7%AF%89%E9%9B%BB%E6%B0%97%E8%A8%AD%E5%82%99%E5%B7%A5%E4%BA%8B-3/ — 1 of 6 images without width/height

notice Internal link has no anchor text / accessible name

Rule links.no_anchor_text · Links · 13 occurrence(s)

https://koyanodenki.co.jp/ — 14 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
https://koyanodenki.co.jp/2021/12/ — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
https://koyanodenki.co.jp/2022/12/ — 3 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
https://koyanodenki.co.jp/2023/12/ — 2 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
https://koyanodenki.co.jp/2024/06/ — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
https://koyanodenki.co.jp/2026/05/ — 3 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
https://koyanodenki.co.jp/category/construction-example/led%E5%8C%96/ — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
https://koyanodenki.co.jp/category/information/ — 12 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
https://koyanodenki.co.jp/category/information/page/2/ — 14 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
https://koyanodenki.co.jp/e-yorozu/ — 5 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
https://koyanodenki.co.jp/example/ — 9 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
https://koyanodenki.co.jp/service/ — 14 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
https://koyanodenki.co.jp/tag/led%E7%85%A7%E6%98%8E/ — 3 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.

notice Meta description too short

Rule meta_desc.too_short · Meta Description · 20 occurrence(s)

notice Missing Open Graph tags

Rule og.missing · Social · 10 occurrence(s)

https://koyanodenki.co.jp/2026/01/17/%E4%BB%8A%E5%B9%B4%E3%82%82%E5%80%A4%E4%B8%8A%E3%81%92%E3%81%AE%E6%98%A5/ — og:image
https://koyanodenki.co.jp/category/construction-example/led%E5%8C%96/ — og:description, og:image
https://koyanodenki.co.jp/category/information/ — og:description, og:image
https://koyanodenki.co.jp/category/information/page/2/ — og:description, og:image
https://koyanodenki.co.jp/contact/faq/ — og:image
https://koyanodenki.co.jp/e-yorozu/contact/ — og:image
https://koyanodenki.co.jp/e-yorozu/trouble_home/lighting/ — og:description, og:image
https://koyanodenki.co.jp/tag/led%E7%85%A7%E6%98%8E/ — og:description, og:image
https://koyanodenki.co.jp/trouble_office/lan/ — og:description, og:image
https://koyanodenki.co.jp/works/%E6%96%B0%E7%AF%89%E9%9B%BB%E6%B0%97%E8%A8%AD%E5%82%99%E5%B7%A5%E4%BA%8B-3/ — og:description

notice Legacy image format (jpg/png/gif) with no next-gen fallback

Rule perf.images_legacy_format · Performance · 50 occurrence(s)

https://koyanodenki.co.jp/ — 17 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
https://koyanodenki.co.jp/2021/06/17/%E5%BD%93%E7%A4%BE%E3%81%AE%E6%96%B0%E5%9E%8B%E3%82%B3%E3%83%AD%E3%83%8A%E3%82%A6%E3%82%A4%E3%83%AB%E3%82%B9%E6%84%9F%E6%9F%93%E4%BA%88%E9%98%B2%E3%81%AE%E5%8F%96%E3%82%8A%E7%B5%84%E3%81%BF/ — 5 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
https://koyanodenki.co.jp/2022/06/18/lbs%EF%BC%88%E9%AB%98%E5%9C%A7%E4%BA%A4%E6%B5%81%E8%B2%A0%E8%8D%B7%E9%96%8B%E9%96%89%E5%99%A8%EF%BC%89%E3%81%AE%E4%BA%A4%E6%8F%9B/ — 2 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
https://koyanodenki.co.jp/2023/05/05/ev%E3%82%B3%E3%83%B3%E3%82%BB%E3%83%B3%E3%83%88%E9%9B%BB%E6%BA%90%E5%B7%A5%E4%BA%8B%E7%AD%89%E3%81%AE%E4%B8%80%E9%83%A8%E5%AF%BE%E5%BF%9C%E3%82%92%E5%86%8D%E9%96%8B%E3%81%97%E3%81%BE%E3%81%99%E3%80%82/ — 2 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
https://koyanodenki.co.jp/2023/12/ — 3 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
https://koyanodenki.co.jp/2024/04/08/%E3%82%AA%E3%83%95%E3%82%A3%E3%82%B9%EF%BC%88%E4%BA%8B%E5%8B%99%E6%89%80%EF%BC%89%E3%81%AE%E8%9B%8D%E5%85%89%E7%81%AF%E7%85%A7%E6%98%8E%E5%99%A8%E5%85%B7%E3%82%92led%E7%85%A7%E6%98%8E%E5%99%A8/ — 2 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
https://koyanodenki.co.jp/2024/06/ — 2 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
https://koyanodenki.co.jp/2026/01/17/%E4%BB%8A%E5%B9%B4%E3%82%82%E5%80%A4%E4%B8%8A%E3%81%92%E3%81%AE%E6%98%A5/ — 1 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
https://koyanodenki.co.jp/2026/05/ — 4 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
https://koyanodenki.co.jp/category/construction-example/led%E5%8C%96/ — 2 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
https://koyanodenki.co.jp/category/information/ — 11 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
https://koyanodenki.co.jp/company/ — 2 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
https://koyanodenki.co.jp/company/qualified/ — 2 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
https://koyanodenki.co.jp/contact/ — 2 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
https://koyanodenki.co.jp/contact/faq/ — 1 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
https://koyanodenki.co.jp/e-yorozu/ — 18 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
https://koyanodenki.co.jp/example/ — 11 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
https://koyanodenki.co.jp/online-business-negotiations/ — 2 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
https://koyanodenki.co.jp/privacy-policy/ — 2 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
https://koyanodenki.co.jp/recruit/ — 2 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
https://koyanodenki.co.jp/sdgs/ — 7 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
https://koyanodenki.co.jp/service/ — 16 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
https://koyanodenki.co.jp/tag/led%E7%85%A7%E6%98%8E/ — 4 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
https://koyanodenki.co.jp/trouble_office/lan/ — 2 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
https://koyanodenki.co.jp/works/%E6%96%B0%E7%AF%89%E9%9B%BB%E6%B0%97%E8%A8%AD%E5%82%99%E5%B7%A5%E4%BA%8B-3/ — 2 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.

notice No ETag header (no conditional GET for unchanged pages)

Rule perf.no_etag · Performance · 50 occurrence(s)

https://koyanodenki.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://koyanodenki.co.jp/2021/06/17/%E5%BD%93%E7%A4%BE%E3%81%AE%E6%96%B0%E5%9E%8B%E3%82%B3%E3%83%AD%E3%83%8A%E3%82%A6%E3%82%A4%E3%83%AB%E3%82%B9%E6%84%9F%E6%9F%93%E4%BA%88%E9%98%B2%E3%81%AE%E5%8F%96%E3%82%8A%E7%B5%84%E3%81%BF/ — 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://koyanodenki.co.jp/2022/06/18/lbs%EF%BC%88%E9%AB%98%E5%9C%A7%E4%BA%A4%E6%B5%81%E8%B2%A0%E8%8D%B7%E9%96%8B%E9%96%89%E5%99%A8%EF%BC%89%E3%81%AE%E4%BA%A4%E6%8F%9B/ — 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://koyanodenki.co.jp/2023/05/05/ev%E3%82%B3%E3%83%B3%E3%82%BB%E3%83%B3%E3%83%88%E9%9B%BB%E6%BA%90%E5%B7%A5%E4%BA%8B%E7%AD%89%E3%81%AE%E4%B8%80%E9%83%A8%E5%AF%BE%E5%BF%9C%E3%82%92%E5%86%8D%E9%96%8B%E3%81%97%E3%81%BE%E3%81%99%E3%80%82/ — 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://koyanodenki.co.jp/2023/12/ — 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://koyanodenki.co.jp/2024/04/08/%E3%82%AA%E3%83%95%E3%82%A3%E3%82%B9%EF%BC%88%E4%BA%8B%E5%8B%99%E6%89%80%EF%BC%89%E3%81%AE%E8%9B%8D%E5%85%89%E7%81%AF%E7%85%A7%E6%98%8E%E5%99%A8%E5%85%B7%E3%82%92led%E7%85%A7%E6%98%8E%E5%99%A8/ — 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://koyanodenki.co.jp/2024/06/ — 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://koyanodenki.co.jp/2026/01/17/%E4%BB%8A%E5%B9%B4%E3%82%82%E5%80%A4%E4%B8%8A%E3%81%92%E3%81%AE%E6%98%A5/ — 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://koyanodenki.co.jp/2026/05/ — 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://koyanodenki.co.jp/category/construction-example/led%E5%8C%96/ — 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://koyanodenki.co.jp/category/information/ — 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://koyanodenki.co.jp/company/ — 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://koyanodenki.co.jp/company/qualified/ — 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://koyanodenki.co.jp/contact/ — 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://koyanodenki.co.jp/contact/faq/ — 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://koyanodenki.co.jp/e-yorozu/ — 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://koyanodenki.co.jp/example/ — 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://koyanodenki.co.jp/online-business-negotiations/ — 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://koyanodenki.co.jp/privacy-policy/ — 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://koyanodenki.co.jp/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://koyanodenki.co.jp/sdgs/ — 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://koyanodenki.co.jp/service/ — 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://koyanodenki.co.jp/tag/led%E7%85%A7%E6%98%8E/ — 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://koyanodenki.co.jp/trouble_office/lan/ — 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://koyanodenki.co.jp/works/%E6%96%B0%E7%AF%89%E9%9B%BB%E6%B0%97%E8%A8%AD%E5%82%99%E5%B7%A5%E4%BA%8B-3/ — 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 · 50 occurrence(s)

https://koyanodenki.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://koyanodenki.co.jp/2021/06/17/%E5%BD%93%E7%A4%BE%E3%81%AE%E6%96%B0%E5%9E%8B%E3%82%B3%E3%83%AD%E3%83%8A%E3%82%A6%E3%82%A4%E3%83%AB%E3%82%B9%E6%84%9F%E6%9F%93%E4%BA%88%E9%98%B2%E3%81%AE%E5%8F%96%E3%82%8A%E7%B5%84%E3%81%BF/ — 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://koyanodenki.co.jp/2022/06/18/lbs%EF%BC%88%E9%AB%98%E5%9C%A7%E4%BA%A4%E6%B5%81%E8%B2%A0%E8%8D%B7%E9%96%8B%E9%96%89%E5%99%A8%EF%BC%89%E3%81%AE%E4%BA%A4%E6%8F%9B/ — 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://koyanodenki.co.jp/2023/05/05/ev%E3%82%B3%E3%83%B3%E3%82%BB%E3%83%B3%E3%83%88%E9%9B%BB%E6%BA%90%E5%B7%A5%E4%BA%8B%E7%AD%89%E3%81%AE%E4%B8%80%E9%83%A8%E5%AF%BE%E5%BF%9C%E3%82%92%E5%86%8D%E9%96%8B%E3%81%97%E3%81%BE%E3%81%99%E3%80%82/ — 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://koyanodenki.co.jp/2023/12/ — 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://koyanodenki.co.jp/2024/04/08/%E3%82%AA%E3%83%95%E3%82%A3%E3%82%B9%EF%BC%88%E4%BA%8B%E5%8B%99%E6%89%80%EF%BC%89%E3%81%AE%E8%9B%8D%E5%85%89%E7%81%AF%E7%85%A7%E6%98%8E%E5%99%A8%E5%85%B7%E3%82%92led%E7%85%A7%E6%98%8E%E5%99%A8/ — 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://koyanodenki.co.jp/2024/06/ — 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://koyanodenki.co.jp/2026/01/17/%E4%BB%8A%E5%B9%B4%E3%82%82%E5%80%A4%E4%B8%8A%E3%81%92%E3%81%AE%E6%98%A5/ — 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://koyanodenki.co.jp/2026/05/ — 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://koyanodenki.co.jp/category/construction-example/led%E5%8C%96/ — 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://koyanodenki.co.jp/category/information/ — 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://koyanodenki.co.jp/company/ — 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://koyanodenki.co.jp/company/qualified/ — 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://koyanodenki.co.jp/contact/ — 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://koyanodenki.co.jp/contact/faq/ — 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://koyanodenki.co.jp/e-yorozu/ — 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://koyanodenki.co.jp/example/ — 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://koyanodenki.co.jp/online-business-negotiations/ — 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://koyanodenki.co.jp/privacy-policy/ — 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://koyanodenki.co.jp/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://koyanodenki.co.jp/sdgs/ — 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://koyanodenki.co.jp/service/ — 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://koyanodenki.co.jp/tag/led%E7%85%A7%E6%98%8E/ — 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://koyanodenki.co.jp/trouble_office/lan/ — 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://koyanodenki.co.jp/works/%E6%96%B0%E7%AF%89%E9%9B%BB%E6%B0%97%E8%A8%AD%E5%82%99%E5%B7%A5%E4%BA%8B-3/ — 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 Article schema missing recommended properties (Top Stories / image carousel)

Rule schema.article_incomplete · Structured Data · 1 occurrence(s)

https://koyanodenki.co.jp/2026/01/17/%E4%BB%8A%E5%B9%B4%E3%82%82%E5%80%A4%E4%B8%8A%E3%81%92%E3%81%AE%E6%98%A5/ — Article structured data is missing recommended property (image) — these feed Top Stories and image-carousel eligibility. Google defines no required Article properties, so this is advisory: add author, headline, image and datePublished where they apply.

notice Deprecated schema type with no Google rich result

Rule schema.deprecated_type · Structured Data · 45 occurrence(s)

https://koyanodenki.co.jp/ — deprecated rich-result type(s) present: Sitelinks Searchbox. The markup is valid schema.org but Google no longer generates a rich result for it — remove or repurpose the block.
https://koyanodenki.co.jp/2021/06/17/%E5%BD%93%E7%A4%BE%E3%81%AE%E6%96%B0%E5%9E%8B%E3%82%B3%E3%83%AD%E3%83%8A%E3%82%A6%E3%82%A4%E3%83%AB%E3%82%B9%E6%84%9F%E6%9F%93%E4%BA%88%E9%98%B2%E3%81%AE%E5%8F%96%E3%82%8A%E7%B5%84%E3%81%BF/ — deprecated rich-result type(s) present: Sitelinks Searchbox. The markup is valid schema.org but Google no longer generates a rich result for it — remove or repurpose the block.
https://koyanodenki.co.jp/2022/06/18/lbs%EF%BC%88%E9%AB%98%E5%9C%A7%E4%BA%A4%E6%B5%81%E8%B2%A0%E8%8D%B7%E9%96%8B%E9%96%89%E5%99%A8%EF%BC%89%E3%81%AE%E4%BA%A4%E6%8F%9B/ — deprecated rich-result type(s) present: Sitelinks Searchbox. The markup is valid schema.org but Google no longer generates a rich result for it — remove or repurpose the block.
https://koyanodenki.co.jp/2023/05/05/ev%E3%82%B3%E3%83%B3%E3%82%BB%E3%83%B3%E3%83%88%E9%9B%BB%E6%BA%90%E5%B7%A5%E4%BA%8B%E7%AD%89%E3%81%AE%E4%B8%80%E9%83%A8%E5%AF%BE%E5%BF%9C%E3%82%92%E5%86%8D%E9%96%8B%E3%81%97%E3%81%BE%E3%81%99%E3%80%82/ — deprecated rich-result type(s) present: Sitelinks Searchbox. The markup is valid schema.org but Google no longer generates a rich result for it — remove or repurpose the block.
https://koyanodenki.co.jp/2024/04/08/%E3%82%AA%E3%83%95%E3%82%A3%E3%82%B9%EF%BC%88%E4%BA%8B%E5%8B%99%E6%89%80%EF%BC%89%E3%81%AE%E8%9B%8D%E5%85%89%E7%81%AF%E7%85%A7%E6%98%8E%E5%99%A8%E5%85%B7%E3%82%92led%E7%85%A7%E6%98%8E%E5%99%A8/ — deprecated rich-result type(s) present: Sitelinks Searchbox. The markup is valid schema.org but Google no longer generates a rich result for it — remove or repurpose the block.
https://koyanodenki.co.jp/2026/01/17/%E4%BB%8A%E5%B9%B4%E3%82%82%E5%80%A4%E4%B8%8A%E3%81%92%E3%81%AE%E6%98%A5/ — deprecated rich-result type(s) present: Sitelinks Searchbox. The markup is valid schema.org but Google no longer generates a rich result for it — remove or repurpose the block.
https://koyanodenki.co.jp/category/construction-example/led%E5%8C%96/ — deprecated rich-result type(s) present: Sitelinks Searchbox. The markup is valid schema.org but Google no longer generates a rich result for it — remove or repurpose the block.
https://koyanodenki.co.jp/category/information/ — deprecated rich-result type(s) present: Sitelinks Searchbox. The markup is valid schema.org but Google no longer generates a rich result for it — remove or repurpose the block.
https://koyanodenki.co.jp/category/information/page/2/ — deprecated rich-result type(s) present: Sitelinks Searchbox. The markup is valid schema.org but Google no longer generates a rich result for it — remove or repurpose the block.
https://koyanodenki.co.jp/company/ — deprecated rich-result type(s) present: Sitelinks Searchbox. The markup is valid schema.org but Google no longer generates a rich result for it — remove or repurpose the block.
https://koyanodenki.co.jp/company/qualified/ — deprecated rich-result type(s) present: Sitelinks Searchbox. The markup is valid schema.org but Google no longer generates a rich result for it — remove or repurpose the block.
https://koyanodenki.co.jp/contact/ — deprecated rich-result type(s) present: Sitelinks Searchbox. The markup is valid schema.org but Google no longer generates a rich result for it — remove or repurpose the block.
https://koyanodenki.co.jp/contact/faq/ — deprecated rich-result type(s) present: Sitelinks Searchbox. The markup is valid schema.org but Google no longer generates a rich result for it — remove or repurpose the block.
https://koyanodenki.co.jp/e-yorozu/ — deprecated rich-result type(s) present: Sitelinks Searchbox. The markup is valid schema.org but Google no longer generates a rich result for it — remove or repurpose the block.
https://koyanodenki.co.jp/e-yorozu/2026/05/04/%E5%BD%93%E3%83%9B%E3%83%BC%E3%83%A0%E3%83%9A%E3%83%BC%E3%82%B8%E3%81%AE%E5%8F%82%E8%80%83%E4%BE%A1%E6%A0%BC%E3%81%AB%E3%81%A4%E3%81%8D%E3%81%BE%E3%81%97%E3%81%A6/ — deprecated rich-result type(s) present: Sitelinks Searchbox. The markup is valid schema.org but Google no longer generates a rich result for it — remove or repurpose the block.
https://koyanodenki.co.jp/e-yorozu/contact/ — deprecated rich-result type(s) present: Sitelinks Searchbox. The markup is valid schema.org but Google no longer generates a rich result for it — remove or repurpose the block.
https://koyanodenki.co.jp/example/ — deprecated rich-result type(s) present: Sitelinks Searchbox. The markup is valid schema.org but Google no longer generates a rich result for it — remove or repurpose the block.
https://koyanodenki.co.jp/online-business-negotiations/ — deprecated rich-result type(s) present: Sitelinks Searchbox. The markup is valid schema.org but Google no longer generates a rich result for it — remove or repurpose the block.
https://koyanodenki.co.jp/privacy-policy/ — deprecated rich-result type(s) present: Sitelinks Searchbox. The markup is valid schema.org but Google no longer generates a rich result for it — remove or repurpose the block.
https://koyanodenki.co.jp/recruit/ — deprecated rich-result type(s) present: Sitelinks Searchbox. The markup is valid schema.org but Google no longer generates a rich result for it — remove or repurpose the block.
https://koyanodenki.co.jp/sdgs/ — deprecated rich-result type(s) present: Sitelinks Searchbox. The markup is valid schema.org but Google no longer generates a rich result for it — remove or repurpose the block.
https://koyanodenki.co.jp/service/ — deprecated rich-result type(s) present: Sitelinks Searchbox. The markup is valid schema.org but Google no longer generates a rich result for it — remove or repurpose the block.
https://koyanodenki.co.jp/tag/led%E7%85%A7%E6%98%8E/ — deprecated rich-result type(s) present: Sitelinks Searchbox. The markup is valid schema.org but Google no longer generates a rich result for it — remove or repurpose the block.
https://koyanodenki.co.jp/trouble_office/lan/ — deprecated rich-result type(s) present: Sitelinks Searchbox. The markup is valid schema.org but Google no longer generates a rich result for it — remove or repurpose the block.
https://koyanodenki.co.jp/works/%E6%96%B0%E7%AF%89%E9%9B%BB%E6%B0%97%E8%A8%AD%E5%82%99%E5%B7%A5%E4%BA%8B-3/ — deprecated rich-result type(s) present: Sitelinks Searchbox. The markup is valid schema.org but Google no longer generates a rich result for it — remove or repurpose the block.

notice Missing recommended security headers

Rule security.missing_headers · Security · 50 occurrence(s)

https://koyanodenki.co.jp/ — HSTS, CSP, X-Content-Type-Options
https://koyanodenki.co.jp/2021/06/17/%E5%BD%93%E7%A4%BE%E3%81%AE%E6%96%B0%E5%9E%8B%E3%82%B3%E3%83%AD%E3%83%8A%E3%82%A6%E3%82%A4%E3%83%AB%E3%82%B9%E6%84%9F%E6%9F%93%E4%BA%88%E9%98%B2%E3%81%AE%E5%8F%96%E3%82%8A%E7%B5%84%E3%81%BF/ — X-Content-Type-Options, HSTS, CSP
https://koyanodenki.co.jp/2022/06/18/lbs%EF%BC%88%E9%AB%98%E5%9C%A7%E4%BA%A4%E6%B5%81%E8%B2%A0%E8%8D%B7%E9%96%8B%E9%96%89%E5%99%A8%EF%BC%89%E3%81%AE%E4%BA%A4%E6%8F%9B/ — HSTS, CSP, X-Content-Type-Options
https://koyanodenki.co.jp/2023/05/05/ev%E3%82%B3%E3%83%B3%E3%82%BB%E3%83%B3%E3%83%88%E9%9B%BB%E6%BA%90%E5%B7%A5%E4%BA%8B%E7%AD%89%E3%81%AE%E4%B8%80%E9%83%A8%E5%AF%BE%E5%BF%9C%E3%82%92%E5%86%8D%E9%96%8B%E3%81%97%E3%81%BE%E3%81%99%E3%80%82/ — CSP, X-Content-Type-Options, HSTS
https://koyanodenki.co.jp/2023/12/ — HSTS, CSP, X-Content-Type-Options
https://koyanodenki.co.jp/2024/04/08/%E3%82%AA%E3%83%95%E3%82%A3%E3%82%B9%EF%BC%88%E4%BA%8B%E5%8B%99%E6%89%80%EF%BC%89%E3%81%AE%E8%9B%8D%E5%85%89%E7%81%AF%E7%85%A7%E6%98%8E%E5%99%A8%E5%85%B7%E3%82%92led%E7%85%A7%E6%98%8E%E5%99%A8/ — CSP, X-Content-Type-Options, HSTS
https://koyanodenki.co.jp/2024/06/ — HSTS, CSP, X-Content-Type-Options
https://koyanodenki.co.jp/2026/01/17/%E4%BB%8A%E5%B9%B4%E3%82%82%E5%80%A4%E4%B8%8A%E3%81%92%E3%81%AE%E6%98%A5/ — HSTS, CSP, X-Content-Type-Options
https://koyanodenki.co.jp/2026/05/ — CSP, X-Content-Type-Options, HSTS
https://koyanodenki.co.jp/category/construction-example/led%E5%8C%96/ — HSTS, CSP, X-Content-Type-Options
https://koyanodenki.co.jp/category/information/ — CSP, X-Content-Type-Options, HSTS
https://koyanodenki.co.jp/company/ — X-Content-Type-Options, HSTS, CSP
https://koyanodenki.co.jp/company/qualified/ — HSTS, CSP, X-Content-Type-Options
https://koyanodenki.co.jp/contact/ — HSTS, CSP, X-Content-Type-Options
https://koyanodenki.co.jp/contact/faq/ — X-Content-Type-Options, HSTS, CSP
https://koyanodenki.co.jp/e-yorozu/ — HSTS, CSP, X-Content-Type-Options
https://koyanodenki.co.jp/example/ — HSTS, CSP, X-Content-Type-Options
https://koyanodenki.co.jp/online-business-negotiations/ — HSTS, CSP, X-Content-Type-Options
https://koyanodenki.co.jp/privacy-policy/ — HSTS, CSP, X-Content-Type-Options
https://koyanodenki.co.jp/recruit/ — HSTS, CSP, X-Content-Type-Options
https://koyanodenki.co.jp/sdgs/ — X-Content-Type-Options, HSTS, CSP
https://koyanodenki.co.jp/service/ — HSTS, CSP, X-Content-Type-Options
https://koyanodenki.co.jp/tag/led%E7%85%A7%E6%98%8E/ — HSTS, CSP, X-Content-Type-Options
https://koyanodenki.co.jp/trouble_office/lan/ — HSTS, CSP, X-Content-Type-Options
https://koyanodenki.co.jp/works/%E6%96%B0%E7%AF%89%E9%9B%BB%E6%B0%97%E8%A8%AD%E5%82%99%E5%B7%A5%E4%BA%8B-3/ — HSTS, CSP, X-Content-Type-Options

notice target=_blank link without rel=noopener (tab-napping)

Rule security.unsafe_cross_origin_links · Security · 27 occurrence(s)

https://koyanodenki.co.jp/2021/06/17/%E5%BD%93%E7%A4%BE%E3%81%AE%E6%96%B0%E5%9E%8B%E3%82%B3%E3%83%AD%E3%83%8A%E3%82%A6%E3%82%A4%E3%83%AB%E3%82%B9%E6%84%9F%E6%9F%93%E4%BA%88%E9%98%B2%E3%81%AE%E5%8F%96%E3%82%8A%E7%B5%84%E3%81%BF/ — 1 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
https://koyanodenki.co.jp/2021/06/17/ev%E9%9B%BB%E6%B0%97%E8%87%AA%E5%8B%95%E8%BB%8A-%E4%BD%8F%E5%AE%85%E7%94%A8%E3%82%B5%E3%83%BC%E3%83%93%E3%82%B9-%E4%BB%95%E4%BA%8B/ — 1 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
https://koyanodenki.co.jp/2021/11/03/%E9%81%8B%E9%80%81%E4%BC%9A%E7%A4%BE%E6%A7%98%E3%81%AE%E5%80%89%E5%BA%AB%E3%82%92%E4%B8%80%E9%83%A8led%E5%8C%96/ — 1 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
https://koyanodenki.co.jp/2021/11/15/%E5%A4%A9%E4%BA%95%E6%8F%9B%E6%B0%97%E6%89%87%E3%81%AE%E4%BA%A4%E6%8F%9B/ — 1 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
https://koyanodenki.co.jp/2021/11/20/%E6%A5%AD%E5%8B%99%E7%94%A8%E3%82%A8%E3%82%A2%E3%82%B3%E3%83%B3%E5%B7%A5%E4%BA%8B%EF%BC%88%E4%BA%A4%E6%8F%9B%EF%BC%89/ — 1 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
https://koyanodenki.co.jp/2021/12/27/%E4%BB%8A%E5%B9%B4%E6%9C%80%E5%BE%8C%E3%81%AEpas%EF%BC%88%E6%B0%97%E4%B8%AD%E9%96%8B%E9%96%89%E5%99%A8%E3%81%AE%E4%BA%A4%E6%8F%9B%EF%BC%89/ — 1 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
https://koyanodenki.co.jp/2022/01/03/%E7%9B%B4%E7%AE%A1%E5%9E%8Bled%E3%83%A9%E3%83%B3%E3%83%97%E3%82%92%E4%BD%BF%E7%94%A8%E3%81%97%E3%81%9F%E3%80%81%E8%A3%BD%E9%80%A0%E5%B7%A5%E5%A0%B4%E3%81%AE%E3%83%99%E3%83%BC%E3%82%B9%E7%85%A7/ — 1 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
https://koyanodenki.co.jp/2022/01/10/%E3%82%AA%E3%83%95%E3%82%A3%E3%82%B9%E3%81%AE%E8%9B%8D%E5%85%89%E7%81%AF%E5%99%A8%E5%85%B7%E3%82%92led%E5%8C%96/ — 1 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
https://koyanodenki.co.jp/2022/01/25/led%E3%83%99%E3%83%BC%E3%82%B9%E3%83%A9%E3%82%A4%E3%83%88%E3%81%AE%E8%BF%BD%E5%8A%A0%EF%BC%88%E2%80%BB%E6%92%AE%E5%BD%B1%E6%A9%9F%E6%9D%90%E3%81%8C%E7%95%B0%E3%81%AA%E3%82%8A%E3%81%BE%E3%81%99/ — 1 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
https://koyanodenki.co.jp/2022/04/16/%E7%90%86%E5%AE%B9%E5%AE%A4%E3%81%95%E3%82%93%E3%81%A8%E7%BE%8E%E5%AE%B9%E5%AE%A4%E3%81%95%E3%82%93%E3%81%AE%E3%83%87%E3%82%B6%E3%82%A4%E3%83%B3%E7%85%A7%E6%98%8E%E3%82%92led%E5%8C%96/ — 1 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
https://koyanodenki.co.jp/2022/04/17/%E3%81%AA%E3%81%9C%E3%81%8B%E7%B6%9A%E3%81%8F%E3%83%BB%E3%83%BB%E3%83%BB2-%E3%80%8C%E9%AB%98%E5%9C%A7%E5%8F%97%E5%A4%89%E9%9B%BB%E8%A8%AD%E5%82%99%E3%83%BB%E9%96%8B%E6%94%BE%E5%9E%8B%E3%81%A8%E3%82%AD/ — 1 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
https://koyanodenki.co.jp/2022/06/18/lbs%EF%BC%88%E9%AB%98%E5%9C%A7%E4%BA%A4%E6%B5%81%E8%B2%A0%E8%8D%B7%E9%96%8B%E9%96%89%E5%99%A8%EF%BC%89%E3%81%AE%E4%BA%A4%E6%8F%9B/ — 1 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
https://koyanodenki.co.jp/2022/07/31/%E5%8D%8A%E5%B9%B4%E4%BB%A5%E4%B8%8A%E6%94%BE%E7%BD%AE%E3%81%97%E3%81%A6%E3%81%84%E3%81%9F%E7%94%BB%E5%83%8F%E3%81%A7%E3%81%99%E3%80%82%E3%80%80%E8%B6%85%E3%82%B9%E3%83%9E%E3%83%BC%E3%83%88%E3%82%AD/ — 1 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
https://koyanodenki.co.jp/2022/12/17/ev%E3%82%B3%E3%83%B3%E3%82%BB%E3%83%B3%E3%83%88%E5%B7%A5%E4%BA%8B%EF%BC%88%E5%8F%8A%E3%81%B3%E4%B8%80%E9%83%A8%E4%BD%8F%E5%AE%85%E7%94%A8%E3%82%B5%E3%83%BC%E3%83%93%E3%82%B9%EF%BC%89%E3%81%AE%E5%8F%97/ — 1 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
https://koyanodenki.co.jp/2023/05/05/ev%E3%82%B3%E3%83%B3%E3%82%BB%E3%83%B3%E3%83%88%E9%9B%BB%E6%BA%90%E5%B7%A5%E4%BA%8B%E7%AD%89%E3%81%AE%E4%B8%80%E9%83%A8%E5%AF%BE%E5%BF%9C%E3%82%92%E5%86%8D%E9%96%8B%E3%81%97%E3%81%BE%E3%81%99%E3%80%82/ — 1 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
https://koyanodenki.co.jp/2023/06/04/%E3%81%84%E3%82%8F%E3%82%86%E3%82%8B%E9%AB%98%E5%9C%A7%E3%82%B1%E3%83%BC%E3%83%96%E3%83%AB%E3%81%AE%E3%83%91%E3%83%B3%E3%82%AF%E3%80%80%EF%BC%88%E4%BA%A4%E6%8F%9B%E3%81%AF%E3%81%8A%E6%97%A9%E3%82%81/ — 1 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
https://koyanodenki.co.jp/2023/07/04/%E9%81%93%E8%B7%AF%E4%BD%BF%E7%94%A8%E8%A8%B1%E5%8F%AF%E3%82%92%E5%8F%96%E3%81%A3%E3%81%A6%E3%81%AEpas%EF%BC%88%E6%9C%9F%E4%B8%AD%E9%96%8B%E9%96%89%E5%99%A8%EF%BC%89%E3%81%AE%E4%BA%A4%E6%8F%9B/ — 1 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
https://koyanodenki.co.jp/2023/07/06/vcb-%E9%AB%98%E5%9C%A7%E7%9C%9F%E7%A9%BA%E9%81%AE%E6%96%AD%E6%A9%9F-%E3%81%AE%E4%BA%A4%E6%8F%9B/ — 1 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
https://koyanodenki.co.jp/2023/12/03/%E6%9F%90%E4%BA%8B%E5%8B%99%E6%89%80%E3%81%AEled%E5%8C%96/ — 1 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
https://koyanodenki.co.jp/2023/12/05/%E3%83%AD%E3%82%AC%E3%83%BC%E3%82%92%E4%BD%BF%E7%94%A8%E3%81%97%E3%81%9F%E6%9F%90%E4%BA%8B%E6%A5%AD%E6%89%80%E3%81%AE%E9%9B%BB%E5%8A%9B%E9%87%8F%E3%81%A8%E9%9B%BB%E6%B5%81%E6%B8%AC%E5%AE%9A/ — 1 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
https://koyanodenki.co.jp/2024/04/08/%E3%82%AA%E3%83%95%E3%82%A3%E3%82%B9%EF%BC%88%E4%BA%8B%E5%8B%99%E6%89%80%EF%BC%89%E3%81%AE%E8%9B%8D%E5%85%89%E7%81%AF%E7%85%A7%E6%98%8E%E5%99%A8%E5%85%B7%E3%82%92led%E7%85%A7%E6%98%8E%E5%99%A8/ — 1 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
https://koyanodenki.co.jp/2026/01/17/%E4%BB%8A%E5%B9%B4%E3%82%82%E5%80%A4%E4%B8%8A%E3%81%92%E3%81%AE%E6%98%A5/ — 1 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
https://koyanodenki.co.jp/e-yorozu/2026/05/04/%E5%BD%93%E3%83%9B%E3%83%BC%E3%83%A0%E3%83%9A%E3%83%BC%E3%82%B8%E3%81%AE%E5%8F%82%E8%80%83%E4%BE%A1%E6%A0%BC%E3%81%AB%E3%81%A4%E3%81%8D%E3%81%BE%E3%81%97%E3%81%A6/ — 1 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
https://koyanodenki.co.jp/e-yorozu/trouble_home/lighting/ — 6 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
https://koyanodenki.co.jp/works/%E6%96%B0%E7%AF%89%E9%9B%BB%E6%B0%97%E8%A8%AD%E5%82%99%E5%B7%A5%E4%BA%8B-3/ — 1 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".

notice Indexable page not listed in sitemap

Rule sitemap.orphan_not_listed · Sitemap · 5 occurrence(s)

https://koyanodenki.co.jp/category/information/page/2/ — indexable but not in sitemap
https://koyanodenki.co.jp/e-yorozu/ — indexable but not in sitemap
https://koyanodenki.co.jp/e-yorozu/2026/05/04/%E5%BD%93%E3%83%9B%E3%83%BC%E3%83%A0%E3%83%9A%E3%83%BC%E3%82%B8%E3%81%AE%E5%8F%82%E8%80%83%E4%BE%A1%E6%A0%BC%E3%81%AB%E3%81%A4%E3%81%8D%E3%81%BE%E3%81%97%E3%81%A6/ — indexable but not in sitemap
https://koyanodenki.co.jp/e-yorozu/contact/ — indexable but not in sitemap
https://koyanodenki.co.jp/e-yorozu/trouble_home/lighting/ — indexable but not in sitemap

notice Non-ASCII characters in URL path

Rule url.non_ascii · URL · 28 occurrence(s)

notice URL is very long

Rule url.too_long · URL · 22 occurrence(s)

notice Underscores in URL path (prefer hyphens)

Rule url.underscores · URL · 2 occurrence(s)

Pages (showing 50 of 50)

URL	Status	Indexable	Words	In-links
https://koyanodenki.co.jp/ 小谷野電気 - 群馬県高崎市の電気工事会社　株式会社小谷野電気	200	yes	76	50
https://koyanodenki.co.jp/service/ 業務案内 - 群馬県高崎市の電気工事会社　株式会社小谷野電気	200	yes	91	50
https://koyanodenki.co.jp/company/ 会社情報 - 群馬県高崎市の電気工事会社　株式会社小谷野電気	200	yes	108	46
https://koyanodenki.co.jp/company/qualified/ 有資格者一覧 - 群馬県高崎市の電気工事会社　株式会社小谷野電気	200	yes	82	46
https://koyanodenki.co.jp/contact/ お問い合わせ - 群馬県高崎市の電気工事会社　株式会社小谷野電気	200	yes	103	46
https://koyanodenki.co.jp/contact/faq/ FAQ - 群馬県高崎市の電気工事会社　株式会社小谷野電気	200	yes	69	46
https://koyanodenki.co.jp/example/ 施工実績 - 群馬県高崎市の電気工事会社　株式会社小谷野電気	200	yes	59	46
https://koyanodenki.co.jp/online-business-negotiations/ オンライン商談 - 群馬県高崎市の電気工事会社　株式会社小谷野電気	200	yes	74	46
https://koyanodenki.co.jp/privacy-policy/ プライバシーポリシー - 群馬県高崎市の電気工事会社　株式会社小谷野電気	200	yes	76	46
https://koyanodenki.co.jp/recruit/ 採用情報 - 群馬県高崎市の電気工事会社　株式会社小谷野電気	200	yes	73	46
https://koyanodenki.co.jp/sdgs/ SDGsへの取り組み - 群馬県高崎市の電気工事会社　株式会社小谷野電気	200	yes	62	46
https://koyanodenki.co.jp/e-yorozu/ 電気のよろず相談 - 電気のよろず相談｜小谷野電気群馬県高崎市前橋市伊勢崎市電気工事	200	yes	90	7
https://koyanodenki.co.jp/trouble_office/lan/ 社内LAN環境設備 - 群馬県高崎市の電気工事会社　株式会社小谷野電気	200	yes	50	2
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