Generated on March 28 2026 15:45 PM
Old data? UPDATE !
The score is 62/100
Title
CHIRIMEN OPEN HARDWARE | 対応ボード別ページ : Raspberry Pi / Pi Zero / micro:bit / TY51822r3 CHIRIMEN について / 対応デバイスリスト / 資料集 / Slack に参加
Length : 127
Ideally, your title should contain between 10 and 70 characters (spaces included). Use this free tool to calculate text length.
Description
対応ボード別ページ : Raspberry Pi / Pi Zero / micro:bit / TY51822r3 CHIRIMEN について / 対応デバイスリスト / 資料集 / Slack に参加
Length : 102
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 | CHIRIMEN OPEN HARDWARE |
| locale | en_US |
| description | 対応ボード別ページ : Raspberry Pi / Pi Zero / micro:bit / TY51822r3 CHIRIMEN について / 対応デバイスリスト / 資料集 / Slack に参加 |
| site_name | CHIRIMEN OPEN HARDWARE |
| type | website |
Headings
| H1 | H2 | H3 | H4 | H5 | H6 |
| 1 | 4 | 0 | 0 | 0 | 0 |
Images
We found 0 images on this web page.
Good, most or all of your images have alt attributes.
Text/HTML Ratio
Ratio : 21%
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
Great, there are no Iframes detected on this page.
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 27 links including 2 link(s) to files
| Anchor | Type | Juice |
|---|---|---|
| Skip to the content. | Internal | Passing Juice |
| CHIRIMEN OPEN HARDWARE | Internal | Passing Juice |
| Raspberry Pi | Internal | Passing Juice |
| Pi Zero | Internal | Passing Juice |
| micro:bit | Internal | Passing Juice |
| TY51822r3 | Internal | Passing Juice |
| CHIRIMEN について | Internal | Passing Juice |
| 対応デバイスリスト | Internal | Passing Juice |
| 資料集 | Internal | Passing Juice |
| Slack に参加 | External | Passing Juice |
| Japanese | Internal | Passing Juice |
| English (Google Translation) | External | Passing Juice |
| サンプルコードの確認・編集・フォークして公開 | Internal | Passing Juice |
| 最も人気で実践的なプログラミング言語 | External | Passing Juice |
| CHIRIMEN について | Internal | Passing Juice |
| Rasbpberry Pi (Model B, Zero) | External | Passing Juice |
| micro:bit | External | Passing Juice |
| TY51822r3 | External | Passing Juice |
| https://tutorial.chirimen.org/ | Internal | Passing Juice |
| Tweets by chirimen_oh | External | Passing Juice |
| 行動規範 | Internal | Passing Juice |
| ご指摘・ご提案 | Internal | Passing Juice |
| External | Passing Juice | |
| External | Passing Juice | |
| chirimen-oh | External | Passing Juice |
| chirimen.org | External | Passing Juice |
| このページを編集 | External | Passing Juice |
Keywords Cloud
led microbit await port javascript chirimen 用チュートリアル zero raspberry ty51822r3
Keywords Consistency
| Keyword | Content | Title | Keywords | Description | Headings |
|---|---|---|---|---|---|
| chirimen | 8 | ![]() |
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| await | 6 | ![]() |
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| microbit | 4 | ![]() |
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| port | 4 | ![]() |
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| 用チュートリアル | 4 | ![]() |
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Url
Domain : chirimen.org
Length : 12
Favicon
Great, your website has a favicon.
Printability
We could not find a Print-Friendly CSS.
Language
Good. Your declared language is en.
Dublin Core
This page does not take advantage of Dublin Core.
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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Perfect, your website has few JavaScript files. |
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Perfect, your website takes advantage of gzip. |
Mobile Optimization
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Apple Icon |
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Meta Viewport Tag |
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Flash content |
XML Sitemap
Great, your website has an XML sitemap.
| https://chirimen.org/sitemap.xml |
Robots.txt
https://chirimen.org/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.
Free SEO Testing Tool is a free SEO tool which provides you content analysis of the website.