Website review kodansha.co.jp
講談社「おもしろくて、ためになる」を世界へ
Generated on March 04 2026 09:37 AM
Old data? UPDATE !
The score is 55/100
SEO Content
Title
講談社「おもしろくて、ためになる」を世界へ
Length : 21
Perfect, your title contains between 10 and 70 characters.
Description
講談社の公式ホームページ総合トップページ。講談社が出版する書籍・コミックの新刊情報、作品検索、会社情報、講談社が運営する各種サービス・コンテンツなどをご紹介します。
Length : 82
Great, your meta description contains between 70 and 160 characters.
Keywords
Very bad. We haven't found meta keywords on your page. Use this free online meta tags generator to create keywords.
Og Meta Properties
Good, your page take advantage of Og Properties.
| Property | Content |
|---|---|
| title | 講談社「おもしろくて、ためになる」を世界へ |
| description | 講談社の公式ホームページ総合トップページ。講談社が出版する書籍・コミックの新刊情報、作品検索、会社情報、講談社が運営する各種サービス・コンテンツなどをご紹介します。 |
| type | article |
| image | https://www.kodansha.co.jp/build/assets/ogp-DizeNaVn.png |
| url | https://www.kodansha.co.jp |
| site_name | 講談社「おもしろくて、ためになる」を世界へ |
Headings
| H1 | H2 | H3 | H4 | H5 | H6 |
| 4 | 12 | 4 | 0 | 0 | 0 |
- [H1] コミック
- [H1] 書籍
- [H1] 雑誌・メディア
- [H1] 会社情報
- [H2] 重要なお知らせ
- [H2] 講談社からのお知らせ
- [H2] 新刊コミック
- [H2] 新刊書籍
- [H2] 受賞作
- [H2] メディア化作品
- [H2] イベント
- [H2] プレゼント
- [H2] スペシャル
- [H2] 製品関連情報
- [H2] 会社情報
- [H2] 今日のおすすめ
- [H3] 『地面師vs.地面師』刊行記念トークイベント 開催！
- [H3] 『松本清張の昭和』刊行記念 トークイベント 開催！
- [H3] 『今宵も猫は交信中』水庭れん先生の直筆サイン本★プレゼント
- [H3] 特製オリジナルQUOカード（500円券）★プレゼント
Images
We found 99 images on this web page.
15 alt attributes are empty or missing. Add alternative text so that search engines can better understand the content of your images.
Text/HTML Ratio
Ratio : 37%
Ideal! This page's ratio of text to HTML code is between 25 and 70 percent.
Flash
Perfect, no Flash content has been detected on this page.
Iframe
Too Bad, you have Iframes on the web pages, this mean that content in an Iframe cannot be indexed.
SEO Links
URL Rewrite
Good. Your links looks friendly!
Underscores in the URLs
Perfect! No underscores detected in your URLs.
In-page links
We found a total of 77 links including 0 link(s) to files
| Anchor | Type | Juice |
|---|---|---|
| コミック | Internal | Passing Juice |
| 週刊少年マガジン | Internal | Passing Juice |
| 別冊少年マガジン | Internal | Passing Juice |
| 月刊少年マガジン | Internal | Passing Juice |
| 月マガ基地 | Internal | Passing Juice |
| 月刊少年シリウス | Internal | Passing Juice |
| ビブリオシリウス | Internal | Passing Juice |
| 少年マガジンエッジ | Internal | Passing Juice |
| ヤングマガジン | Internal | Passing Juice |
| 月刊ヤングマガジン | Internal | Passing Juice |
| ヤンマガWeb | Internal | Passing Juice |
| ヤングマガジン サード | Internal | Passing Juice |
| モーニング | Internal | Passing Juice |
| モーニング・ツー | Internal | Passing Juice |
| アフタヌーン | Internal | Passing Juice |
| good!アフタヌーン | Internal | Passing Juice |
| イブニング | Internal | Passing Juice |
| &Sofa（アンドソファ） | Internal | Passing Juice |
| なかよし | Internal | Passing Juice |
| 別冊フレンド | Internal | Passing Juice |
| デザート | Internal | Passing Juice |
| Kiss | Internal | Passing Juice |
| ハツキス | Internal | Passing Juice |
| BE・LOVE | Internal | Passing Juice |
| ハニーミルク | Internal | Passing Juice |
| comic tint | Internal | Passing Juice |
| 姉フレンド | Internal | Passing Juice |
| ホワイトハートコミック | Internal | Passing Juice |
| マガポケ | Internal | Passing Juice |
| コミックDAYS | Internal | Passing Juice |
| パルシィ | Internal | Passing Juice |
| サイコミ | Internal | Passing Juice |
| 講談社漫画文庫 | Internal | Passing Juice |
| コミック限定版・特装版 | Internal | Passing Juice |
| 講談社ラノベ文庫 | Internal | Passing Juice |
| まんが学術文庫 | Internal | Passing Juice |
| 講談社プラチナコミックス | Internal | Passing Juice |
| 手塚治虫文庫全集 | Internal | Passing Juice |
| 石ノ森章太郎デジタル大全 | Internal | Passing Juice |
| 水木しげる漫画大全集 | Internal | Passing Juice |
| 星海社COMICS | Internal | Passing Juice |
| 書籍 | Internal | Passing Juice |
| 文芸（単行本） | Internal | Passing Juice |
| 講談社文庫 | Internal | Passing Juice |
| 講談社文芸文庫 | Internal | Passing Juice |
| 講談社ノベルス | Internal | Passing Juice |
| 講談社タイガ | Internal | Passing Juice |
| 講談社X文庫ホワイトハート | Internal | Passing Juice |
| レジェンドノベルス | Internal | Passing Juice |
| 星海社文庫 | Internal | Passing Juice |
| 星海社FICTIONS | Internal | Passing Juice |
| 講談社現代新書 | Internal | Passing Juice |
| ブルーバックス | Internal | Passing Juice |
| 講談社＋α新書 | Internal | Passing Juice |
| 講談社＋α文庫 | Internal | Passing Juice |
| 講談社学術文庫 | Internal | Passing Juice |
| 講談社選書メチエ | Internal | Passing Juice |
| 創文社オンデマンド叢書 | Internal | Passing Juice |
| 星海社新書 | Internal | Passing Juice |
| 健康ライブラリー | Internal | Passing Juice |
| こころライブラリー | Internal | Passing Juice |
| 介護ライブラリー | Internal | Passing Juice |
| 講談社のお料理BOOK | Internal | Passing Juice |
| 講談社の実用書 | Internal | Passing Juice |
| 講談社ARTピース | Internal | Passing Juice |
| 講談社の絵本 | Internal | Passing Juice |
| 青い鳥文庫 | Internal | Passing Juice |
| 講談社の動く図鑑MOVE | Internal | Passing Juice |
| YA!ENTERTAINMENT | Internal | Passing Juice |
| 雑誌・メディア | Internal | Passing Juice |
| 会社情報 | Internal | Passing Juice |
| 採用情報 | Internal | Passing Juice |
| お問い合わせ | Internal | Passing Juice |
| https://aebs.or.jp/ | External | Passing Juice |
| ログイン / 新規会員登録 | Internal | Passing Juice |
| 利用規約 | Internal | Passing Juice |
| サイトマップ | Internal | Passing Juice |
SEO Keywords
Keywords Cloud
イベント一覧 作品詳細 new 一覧を見る 20260304発売 20260302発売 コミック 重要なお知らせ 閉じる 応募可能な賞一覧
Keywords Consistency
| Keyword | Content | Title | Keywords | Description | Headings |
|---|---|---|---|---|---|
| new | 10 |  |
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| 20260302発売 | 10 | |
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| 一覧を見る | 9 | |
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| 20260304発売 | 8 | |
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| 閉じる | 8 | |
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Usability
Url
Domain : kodansha.co.jp
Length : 14
Favicon
Great, your website has a favicon.
Printability
We could not find a Print-Friendly CSS.
Language
Good. Your declared language is ja.
Dublin Core
This page does not take advantage of Dublin Core.
Document
Doctype
HTML 5
Encoding
Perfect. Your declared charset is UTF-8.
W3C Validity
Errors : 0
Warnings : 0
Email Privacy
Warning! At least one email address has been found in the plain text. Use free antispam protector to hide email from spammers.
Deprecated HTML
Great! We haven't found deprecated HTML tags in your HTML.
Speed Tips
 |
Excellent, your website doesn't use nested tables. |
|
Too bad, your website is using inline styles. |
|
Great, your website has few CSS files. |
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Perfect, your website has few JavaScript files. |
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Too bad, your website does not take advantage of gzip. |
Mobile
Mobile Optimization
|
Apple Icon |
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Meta Viewport Tag |
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Flash content |
Optimization
XML Sitemap
Missing
Your website does not have an XML sitemap - this can be problematic.
A sitemap lists URLs that are available for crawling and can include additional information like your site's latest updates, frequency of changes and importance of the URLs. This allows search engines to crawl the site more intelligently.
Robots.txt
https://kodansha.co.jp/robots.txt
Great, your website has a robots.txt file.
Analytics
Missing
We didn't detect an analytics tool installed on this website.
Web analytics let you measure visitor activity on your website. You should have at least one analytics tool installed, but It can also be good to install a second in order to cross-check the data.
PageSpeed Insights
Device
Categories
Free SEO Testing Tool
Free SEO Testing Tool is a free SEO tool which provides you content analysis of the website.