Website review seikaisha.co.jp
星海社 | Seikaisha
Generated on May 02 2026 03:29 AM
Old data? UPDATE !
The score is 54/100
SEO Content
Title
星海社 | Seikaisha
Length : 15
Perfect, your title contains between 10 and 70 characters.
Description
才能の輝きと新しいテクノロジーで、あなたの「人生のカーブを切らせる」出版社、星海社の公式サイト。各レーベルの新刊情報、最新ニュースやイベント情報を発信中。
Length : 77
Great, your meta description contains between 70 and 160 characters.
Keywords
星海社,最前線,ジセダイ,星海社FICTIONS,星海社COMICS,星海社文庫,杉原幹之助,太田克史,出版,編集,星猫
Good, your page contains meta keywords.
Og Meta Properties
Good, your page take advantage of Og Properties.
| Property | Content |
|---|---|
| title | 星海社 | Seikaisha |
| description | 才能の輝きと新しいテクノロジーで、あなたの「人生のカーブを切らせる」出版社、星海社の公式サイト。各レーベルの新刊情報、最新ニュースやイベント情報を発信中。 |
| url | https://seikaisha.co.jp/ |
| image | https://seikaisha.co.jp/images/meta/ogp.png |
Headings
| H1 | H2 | H3 | H4 | H5 | H6 |
| 0 | 2 | 2 | 0 | 0 | 0 |
- [H2] 新刊情報
- [H2] お知らせ・イベント
- [H3] 出版社で働こう。
- [H3] 書店員様へ
Images
We found 80 images on this web page.
43 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 : 2%
This page's ratio of text to HTML code is below 15 percent, this means that your website probably needs more text content.
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.
SEO Keywords
Keywords Cloud
星海社新書 発売予定 会社紹介 書籍情報新刊情報 お問い合わせ 星海社comics お知らせイベント 採用情報 星海社fictions お知らせ
Keywords Consistency
| Keyword | Content | Title | Keywords | Description | Headings |
|---|---|---|---|---|---|
| 星海社新書 | 11 |  |
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| 星海社comics | 5 | |
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| 発売予定 | 5 | |
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| お知らせイベント | 4 | |
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| 星海社fictions | 4 | |
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Usability
Url
Domain : seikaisha.co.jp
Length : 15
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
Great no email address has been found in plain text!
Deprecated HTML
Great! We haven't found deprecated HTML tags in your HTML.
Speed Tips
|
Excellent, your website doesn't use nested tables. |
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Too bad, your website is using inline styles. |
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Great, your website has few CSS files. |
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Too bad, your website has too many JS files (more than 6). |
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Perfect, your website takes advantage of gzip. |
Mobile
Mobile Optimization
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Apple Icon |
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Meta Viewport Tag |
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Flash content |
Optimization
XML Sitemap
Great, your website has an XML sitemap.
| https://seikaisha.co.jp/sitemap.xml |
Robots.txt
https://seikaisha.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.