Website review codezine.jp
CodeZine（コードジン）
Generated on March 07 2026 02:00 AM
Old data? UPDATE !
The score is 53/100
SEO Content
Title
CodeZine（コードジン）
Length : 15
Perfect, your title contains between 10 and 70 characters.
Description
CodeZineは、株式会社翔泳社が運営するソフトウェア開発者向けのWebメディアです。「デベロッパーの成長と課題解決に貢献するメディア」をコンセプトに、現場で役立つ最新情報を日々お届けします。
Length : 97
Great, your meta description contains between 70 and 160 characters.
Keywords
プログラミング,開発,ソースコード,Java,.NET,Windows,C++,C#,VB,CodeZine
Good, your page contains meta keywords.
Og Meta Properties
Good, your page take advantage of Og Properties.
| Property | Content |
|---|---|
| title | CodeZine（コードジン） |
| type | article |
| url | https://codezine.jp |
| image | https://codezine.jp/static/common/images/czlogo4fb_ogp.png |
| image:width | 1200 |
| image:height | 630 |
| site_name | CodeZine |
| description | CodeZineは、株式会社翔泳社が運営するソフトウェア開発者向けのWebメディアです。「デベロッパーの成長と課題解決に貢献するメディア」をコンセプトに、現場で役立つ最新情報を日々お届けします。 |
Headings
| H1 | H2 | H3 | H4 | H5 | H6 |
| 0 | 8 | 0 | 0 | 0 | 5 |
- [H2] ニュース
- [H2] 新着記事
- [H2] おすすめ
- [H2] アクセスランキング
- [H2] アクセスランキング
- [H2] Pick Up Links
- [H2] イベント
- [H2] 人気記事の執筆者
- [H6] 中野 佑輔（編集部）の最新記事
- [H6] 渡部 拓也の最新記事
- [H6] 水無瀬 あずさの最新記事
- [H6] 柳井 政和の最新記事
- [H6] 上田 瀟逸（ハリネズミ）の最新記事
Images
We found 196 images on this web page.
147 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 : 23%
Good, this page's ratio of text to HTML code is higher than 15, but lower than 25 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 126 links including 0 link(s) to files
SEO Keywords
Keywords Cloud
世界2位の競プロerに問うaiとの戦い方 翔泳社 new summit 人間の強みは論理の飛躍 github 答えのない技術に挑むctc慶応が産学連携で切り拓くインターネットへの信頼の実装 講演資料まとめ developers 新刊紹介
Keywords Consistency
| Keyword | Content | Title | Keywords | Description | Headings |
|---|---|---|---|---|---|
| new | 22 |  |
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| developers | 14 | |
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| summit | 12 | |
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| 世界2位の競プロerに問うaiとの戦い方 | 10 | |
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| github | 10 | |
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Usability
Url
Domain : codezine.jp
Length : 11
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
| Deprecated tags | Occurrences |
|---|---|
| <font> | 6 |
Deprecated HTML tags are HTML tags that are no longer used. It is recommended that you remove or replace these HTML tags because they are now obsolete.
Speed Tips
 |
Excellent, your website doesn't use nested tables. |
|
Too bad, your website is using inline styles. |
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Too bad, your website has too many CSS files (more than 4). |
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Too bad, your website has too many JS files (more than 6). |
|
Perfect, your website takes advantage of gzip. |
Mobile
Mobile Optimization
|
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://codezine.jp/sitemap.xml |
Robots.txt
https://codezine.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.