Website review nikoli.co.jp
Nikoli - The leading company of the logic puzzles
Generated on March 24 2026 00:43 AM
Old data? UPDATE !
The score is 54/100
SEO Content
Title
Nikoli - The leading company of the logic puzzles
Length : 49
Perfect, your title contains between 10 and 70 characters.
Description
パズル通信「ニコリ」で有名なパズル出版社「ニコリ」の公式サイト。各種ペンシルパズルの紹介、オリジナルパズルの制作も承っております。
Length : 65
Ideally, your meta description should contain between 70 and 160 characters (spaces included). Use this free tool to calculate text length.
Keywords
パズル,パズル雑誌,ニコリ,パズル通信,数独,pencil puzzle,ペンシルパズル,puzzle,nikoli
Good, your page contains meta keywords.
Og Meta Properties
Good, your page take advantage of Og Properties.
| Property | Content |
|---|---|
| image | https://www.nikoli.co.jp/img/ogp.jpg |
| url | https://www.nikoli.co.jp/ |
| locale | ja_JP |
| site_name | nikoli - パズルの会社ニコリの公式WEBサイトへようこそ。Nikoli - The leading company of the puzzle-world. |
| type | website |
| title | nikoli |
| description | パズルの会社ニコリの公式WEBサイトへようこそ。Nikoli - The leading company of the puzzle-world. |
Headings
| H1 | H2 | H3 | H4 | H5 | H6 |
| 0 | 0 | 0 | 0 | 1 | 0 |
- [H5] パズルの会社ニコリの公式WEBサイトへようこそ。 Nikoli - The leading company of the puzzle-world.
Images
We found 1 images on this web page.
1 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
Great, there are no Iframes detected on this page.
SEO Links
URL Rewrite
Good. Your links looks friendly!
Underscores in the URLs
Perfect! No underscores detected in your URLs.
SEO Keywords
Keywords Cloud
Keywords Consistency
| Keyword | Content | Title | Keywords | Description | Headings |
|---|
Usability
Url
Domain : nikoli.co.jp
Length : 12
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. |
|
Perfect. No inline css has been found in HTML tags! |
|
Great, your website has few CSS files. |
|
Perfect, your website has few JavaScript files. |
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Perfect, your website takes advantage of gzip. |
Mobile
Mobile Optimization
 |
Apple Icon |
|
Meta Viewport Tag |
|
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://nikoli.co.jp/robots.txt
Great, your website has a robots.txt file.
Analytics
Great, your website has an analytics tool.
Google Analytics |
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.