Website Review: hitachi.co.jp
Generated on November 12 2026 07:45 AM
The score is 55/100
SEO Content
Title
日本 Home：日立
Length : 10
Your title's length should be between 40 and 70 characters. The optimal title length is between 50 to 70 chars. Rewrite the title tag to fit this range, or use our free meta tag generator.
Description
株式会社日立製作所の公式サイトです。日立は、データとテクノロジーでサステナブルな社会を実現する社会イノベーション事業を推進しています。ITやOT(制御・運用技術)、プロダクトを活用するLumadaソリューションを通じてお客さまや社会の課題を解決します。
Length : 126
Great, your meta description tag's length is between 90 and 160 characters. A description tag of 155 to 160 characters is optimal.
Keywords
Not good (but low priority). We haven't found a meta keywords tag on your page. You can add a meta keywords tag to the page's <head> with our free meta tag generator.
Og Meta Properties
Good, your page takes advantage of Open Graph Properties. Open Graph properties can help with indexing.
| Property | Content |
|---|---|
| title | 日本 Home |
| type | website |
| url | https://www.hitachi.com/ja-jp/ |
| description | 株式会社日立製作所の公式サイトです。日立は、データとテクノロジーでサステナブルな社会を実現する社会イノベーション事業を推進しています。ITやOT(制御・運用技術)、プロダクトを活用するLumadaソリューションを通じてお客さまや社会の課題を解決します。 |
| site_name | Hitachi Global |
| locale | ja_jp |
Headings
| H1 | H2 | H3 | H4 | H5 | H6 |
| 0 | 19 | 7 | 0 | 0 | 0 |
- [H2] 日立 統合報告書 2026
- [H2] 日立 サステナビリティレポート 2026
- [H2] Hitachi Energy Investor Day
- [H2] Hitachi Highlights
- [H2] 企業情報
- [H2] 製品・ソリューション
- [H2] サステナビリティ
- [H2] 採用情報
- [H2] 株主・投資家向け情報
- [H2] プレスリリース
- [H2] 日立グループ 会社一覧
- [H2] ご注意・重要なお知らせ
- [H2] 関連情報
- [H2] 大阪・関西万博「未来の都市」
- [H2] 受賞・お知らせ
- [H2] インサイト
- [H2] 日立評論
- [H2] 日立の家電品
- [H2] スポーツ活動
- [H3] デジタル
- [H3] エナジー
- [H3] モビリティ
- [H3] インダストリー
- [H3] 計測分析システム
- [H3] 生活・エコシステム
- [H3] ビルシステム
Images
We found 37 images on this web page.
23 image alt attributes were missing. Please add alt text to all images to help search engines better understand the content of your images.
Text/HTML Ratio
Ratio : 0%
This page's ratio of text to HTML code is below 20 percent, this means that your website probably needs more text content in order to do well in search engines. Note: This may also result from a false reading due to your server blocking external scripts from accessing the home page.
Iframe
Not ideal - You have Iframes on the web page, this mean that content in an Iframe cannot be indexed.
SEO Links
URL Rewrite
Good. Your links look SEO friendly and are easy to crawl!
Underscores in the URLs
We have detected underscores in your URLs. It would be better to use hyphens to optimize your SEO.
In-page links
We found a total of 162 links including 0 link(s) to files
| Anchor | Type | Juice |
|---|---|---|
| ページの本文へ | Internal | Passing Juice |
| 製品・ソリューション | External | Passing Juice |
| デジタル | External | Passing Juice |
| エナジー | External | Passing Juice |
| モビリティ | External | Passing Juice |
| インダストリー | External | Passing Juice |
| 計測分析システム | External | Passing Juice |
| 生活・エコシステム | External | Passing Juice |
| ビルシステム | External | Passing Juice |
| 企業情報 | External | Passing Juice |
| IR情報 | External | Passing Juice |
| Hitachi at a glance | External | Passing Juice |
| 経営方針 | External | Passing Juice |
| IRニュース | External | Passing Juice |
| IR資料室 | External | Passing Juice |
| 業績・財務情報 | External | Passing Juice |
| 株式・債券情報 | External | Passing Juice |
| サステナビリティ | External | Passing Juice |
| 採用・インターンシップ | External | Passing Juice |
| 採用情報 | External | Passing Juice |
| 日立の理念と未来 | External | Passing Juice |
| 社会課題を解決する事業 | External | Passing Juice |
| 多様な職種と業務 | External | Passing Juice |
| 挑戦・成長を支援する人への投資 | External | Passing Juice |
| デジタルソリューション | External | Passing Juice |
| 金融ソリューション | Internal | Passing Juice |
| 社会インフラITシステム | Internal | Passing Juice |
| 公共ITソリューション | Internal | Passing Juice |
| セキュリティ | Internal | Passing Juice |
| クラウド | Internal | Passing Juice |
| IoT/データ利活用 | Internal | Passing Juice |
| 制御システム | Internal | Passing Juice |
| ITプロダクツ | External | Passing Juice |
| ハイパーコンバージドインフラストラクチャ（HCI） ソリューション | Internal | Passing Juice |
| サーバ&ソリューション | Internal | Passing Juice |
| ストレージ | External | Passing Juice |
| ミドルウェア&プラットフォームソフトウェア | Internal | Passing Juice |
| その他 | External | Passing Juice |
| ATM | External | Passing Juice |
| パワーグリッド | External | Passing Juice |
| 原子力 | External | Passing Juice |
| エネルギーソリューション | External | Passing Juice |
| エネルギー IT×OTソリューション | Internal | Passing Juice |
| 車両 (英語) | External | Passing Juice |
| 都市鉄道 信号・運行管理システム（英語） | External | Passing Juice |
| 高速鉄道・在来線 信号・運行管理システム（英語） | External | Passing Juice |
| 貨物鉄道 信号・運行管理システム（英語） | External | Passing Juice |
| チケッティング&料金収受システム（英語） | External | Passing Juice |
| デジタルアセットマネジメント - HMAX（英語） | External | Passing Juice |
| 産業・流通ソリューション | Internal | Passing Juice |
| 水・環境ソリューション | Internal | Passing Juice |
| 産業用機器（量産） | External | Passing Juice |
| 産業用機器（非量産） | External | Passing Juice |
| ヘルスケア | External | Passing Juice |
| 半導体製造装置 | External | Passing Juice |
| 電子顕微鏡/プローブ顕微鏡 | External | Passing Juice |
| 分析装置 | External | Passing Juice |
| 産業 | External | Passing Juice |
| 家電 | Internal | Passing Juice |
| 空調 | External | Passing Juice |
| 昇降機 | External | Passing Juice |
| ビルソリューション | External | Passing Juice |
| ビルIoTプラットフォーム | Internal | Passing Juice |
| ビジョン | External | Passing Juice |
| ごあいさつ | External | Passing Juice |
| 日立グループ・アイデンティティ | External | Passing Juice |
| 日立製作所について | External | Passing Juice |
| 会社概要 | External | Passing Juice |
| 役員一覧 | External | Passing Juice |
| 会社組織 | External | Passing Juice |
| 沿革 | External | Passing Juice |
| 国内所在地一覧 | External | Passing Juice |
| 支社のご案内 | Internal | Passing Juice |
| グループ会社一覧 | External | Passing Juice |
| 調達 | External | Passing Juice |
| 活動 | External | Passing Juice |
| プレスリリース | External | Passing Juice |
| インサイト | External | Passing Juice |
| Inspire the next | External | Passing Juice |
| 日立の人 | External | Passing Juice |
| コレも日立！？ | External | Passing Juice |
| Design for Social Innovation | External | Passing Juice |
| COLORS | External | Passing Juice |
| 日立評論 | External | Passing Juice |
| 経営計画 | External | Passing Juice |
| コーポレートガバナンス | External | Passing Juice |
| 事業等のリスク | External | Passing Juice |
| ディスクロージャーポリシー | External | Passing Juice |
| 決算関連 | External | Passing Juice |
| Investor Day | External | Passing Juice |
| 説明会資料 | External | Passing Juice |
| 有価証券報告書等 | External | Passing Juice |
| 事業報告 | External | Passing Juice |
| 統合報告書 | External | Passing Juice |
| サステナビリティレポート | External | Passing Juice |
| 株式情報 | External | Passing Juice |
| 株主総会 | External | Passing Juice |
| 株式基本情報 | External | Passing Juice |
| 株主還元（配当金・自社株式の取得） | External | Passing Juice |
| 株価情報 | External | Passing Juice |
| アナリストカバレッジ | External | Passing Juice |
| 定款・株式等取扱規則 | External | Passing Juice |
| 株式事務諸手続き | External | Passing Juice |
| 電子公示 | External | Passing Juice |
| 債券情報 | External | Passing Juice |
| 格付情報 | External | Passing Juice |
| 環境 | External | Passing Juice |
| 社会 | External | Passing Juice |
| ガバナンス | External | Passing Juice |
| 新卒採用 | External | Passing Juice |
| キャリア採用 | External | Passing Juice |
| インターンシップ | Internal | Passing Juice |
| 博士採用 | Internal | Passing Juice |
| 障がい者採用 | External | Passing Juice |
| 日立グループ採用 | External | Passing Juice |
| アルムナイ・キャリア登録・リファラル | Internal | Passing Juice |
| トップメッセージ | External | Passing Juice |
| 日立が描く「次」の未来を表すキーワード | External | Passing Juice |
| 企業理念・カルチャー | External | Passing Juice |
| 社会イノベーション事業 | External | Passing Juice |
| 事業領域と組織体制 | External | Passing Juice |
| デジタルシステム＆サービス | External | Passing Juice |
| モビリティ | External | Passing Juice |
| エナジー | External | Passing Juice |
| コネクティブインダストリーズ | External | Passing Juice |
| 職種一覧（課題解決の流れ） | External | Passing Juice |
| 職種一覧（キーワード） | External | Passing Juice |
| 研究開発 | External | Passing Juice |
| 設計開発 | External | Passing Juice |
| システムエンジニア | External | Passing Juice |
| 品質保証 | External | Passing Juice |
| 営業技術 | External | Passing Juice |
| 生産技術 | External | Passing Juice |
| ビジネスエンジニアリング | External | Passing Juice |
| 調達 | External | Passing Juice |
| 生産管理 | External | Passing Juice |
| 営業 | External | Passing Juice |
| 知的財産マネジメント | External | Passing Juice |
| 人事総務 | External | Passing Juice |
| 経理財務 | External | Passing Juice |
| 法務 | External | Passing Juice |
| 事業企画 | External | Passing Juice |
| 広報宣伝 | External | Passing Juice |
| キャリア開発 | External | Passing Juice |
| 報酬・福利厚生制度 | External | Passing Juice |
| 勤務制度・働き方 | External | Passing Juice |
| 能力開発 | External | Passing Juice |
| 多様な人財が自分らしく挑戦できる環境 | External | Passing Juice |
| 企業情報 | External | Passing Juice |
| 日立グループ 会社一覧 | External | Passing Juice |
| 日本 Home | External | Passing Juice |
| 研究開発 | Internal | Passing Juice |
| Global Network | External | Passing Juice |
| 古物営業法に基づく表示 | External | Passing Juice |
| 日立のソーシャルメディアについて | External | Passing Juice |
| サイトマップ | External | Passing Juice |
| お問い合わせ | External | Passing Juice |
| Hitachi Global Website | External | Passing Juice |
| アクセシビリティへの対応方針 | External | Passing Juice |
| サイトの利用条件 | External | Passing Juice |
| 個人情報保護に関して | External | Passing Juice |
| - | Internal | Passing Juice |
SEO Keywords
Keywords Cloud
Keywords Consistency
| Keyword | Content | Title | Keywords | Description | Headings |
|---|
Usability
Url
Domain : hitachi.co.jp
Length : 13
Favicon
Great, your website has a favicon.
Language
Good. Your declared language is ja.
Document
Doctype
HTML 5
Encoding
Great. Your declared charset is UTF-8.
Email Privacy
Great no email address was found in plain text!
Deprecated HTML
Great! We haven't found deprecated HTML tags in your HTML.
Speed Tips
 |
Not great, your website is using inline styles. This is not optimal. |
 |
Great, your website has few CSS files. |
|
This website has an excessive amount of Javascript files (more than 6). |
|
This website does not take advantage of GZIP optimization. GZIP compression means your site loads faster for your visitors and improves the user's experience. |
Mobile
Mobile Optimization
|
Apple Icon |
|
Meta Viewport Tag |
Optimization
XML Sitemap
Great, your website has an XML sitemap.
| https://www.hitachi.co.jp/sitemap.xml |
Robots.txt
http://hitachi.co.jp/robots.txt
Great, your website has a robots.txt file.
Analytics
Missing
Unverified
AI Search Readiness
AI Crawlers
AI search crawlers are allowed, so the site can be shown and cited in AI answers (ChatGPT, Claude, Perplexity).
|
OAI-SearchBot | ChatGPT search | AI search |
|
ChatGPT-User | ChatGPT (user requests) | AI search |
|
Claude-SearchBot | Claude search | AI search |
|
Claude-User | Claude (user requests) | AI search |
|
PerplexityBot | Perplexity | AI search |
|
GPTBot | OpenAI training | AI training |
|
ClaudeBot | Anthropic training | AI training |
|
Google-Extended | Google Gemini training | AI training |
|
Applebot-Extended | Apple AI training | AI training |
|
CCBot | Common Crawl | AI training |
Blocking AI training crawlers is a common choice and doesn't affect the score. Only the AI search crawlers count.
Structured Data
The homepage describes itself with schema.org structured data, which helps search engines and AI tools understand it: Organization, PostalAddress, ImageObject
Canonical Tag
The homepage has a canonical tag, which tells search engines which URL is the main version of the page.
llms.txt
No llms.txt file. It's an emerging convention: a short Markdown summary of the site for AI tools. Optional, so it doesn't affect the score.
Security
HTTPS
The site loads over HTTPS, so connections are encrypted. Browsers and search engines expect this.
HSTS
The site sends a Strict-Transport-Security header, so browsers always use HTTPS for it.
Security Headers
2 of 5 common security headers found. At least 2 are needed to pass.
|
Content-Security-Policy |
|
X-Content-Type-Options |
|
X-Frame-Options |
|
Referrer-Policy |
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Permissions-Policy |
Domain Info
hitachi.co.jp accepts email and has both SPF and DMARC records. The Wayback Machine first archived it in November 1996.
Hosting
| IPv4 address | 20.89.112.191 |
|
IPv6 support |
Email Security
Mail servers: mx1.hc514-86.ap.iphmx.com, mx2.hc514-86.ap.iphmx.com
|
SPF record |
|
DMARC record (policy: none) |
Archive History
The Wayback Machine has snapshots of this site from 306 different months, from November 1996 to October 2026. View snapshots
PageSpeed Insights
Device
Categories
GoInfosystems
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