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Search Engine Optimization Overview
91
100
NHK | 日本放送協会
Japanese public broadcaster's official website with online news, profile, and press releases.
https://www.nhk.or.jp/
1 high issue
3.0%
1 medium issue
3.0%
4 low issues
12.1%
27 tests passed
81.8%
0.23 seconds
2.34 kB
4 resources
Secure
Seo
Title
The title tag is perfect.
NHK | 日本放送協会
Meta description
The meta description tag is good.
Japanese public broadcaster's official website with online news, profile, and press releases.
Headings
The h1 tag is the same with the title tag.
  1. NHK | 日本放送協会
Content keywords
The content has relevant keywords.
nhk日本放送協会
Image keywords
All images have alt attributes set.
SEO friendly URL
The URL is SEO friendly.
https://www.nhk.or.jp/
404 page
The website has 404 error pages.
https://www.nhk.or.jp/404-f8ed25db69f37f8139897683e0f39c3d
Robots.txt
The webpage can be accessed by search engines.
Noindex
The webpage does not have a noindex tag set.
In-page links
The number of links on the webpage is okay.
Language
The webpage has the language declared.
ja
Favicon
The webpage has a favicon.
https://www.nhk.or.jp/apple-touch-icon-152x152-precomposed.png
Performance
Text compression
The HTML file is compressed.
Load time
The webpage loaded in 0.23 seconds.
Page size
The size of the HTML webpage is 2,336.00.
HTTP requests
There are fewer than 4 HTTP requests on the webpage.
  1. https://www.nhk.or.jp/common/js/nol_tools.js
  2. https://www.nhk.or.jp/common/js/nol_header.js
  3. https://www.nhk.or.jp/toppage/parts/js/20221003/onlinetop.js
  1. https://www.nhk.or.jp/toppage/parts/css/20220704/onlinetop.css
Image format
The images are served in the AVIF, WebP format.
JavaScript defer
The are 3 javascript resources without the defer attribute.
  1. https://www.nhk.or.jp/common/js/nol_tools.js
  2. https://www.nhk.or.jp/common/js/nol_header.js
  3. https://www.nhk.or.jp/toppage/parts/js/20221003/onlinetop.js
DOM size
The DOM size is optimal.
The HTML file has 40 DOM nodes.
Security
HTTPS encryption
The webpage uses HTTPS encryption.
The HTML file has https://www.nhk.or.jp/ DOM nodes.
Mixed content
There are no mixed content resources on the webpage.
Server signature
The webpage has a public server signature.
Apache
Unsafe cross-origin links
The webpage does not have unsafe cross-origin links.
Plaintext email
The webpage does not contain any plaintext emails.
Miscellaneous
Structured data
The webpage has structured data.
        Meta viewport
        The webpage has a meta viewport tag set.
        width=device-width, initial-scale=1
        Character set
        The webpage has a charset value set.
        utf-8
        Sitemap
        The website has sitemaps.
        1. https://www.nhk.or.jp/sitemap.xml
        Social
        The webpage does not contain any social links.
        Content length
        The are less than 500 words on the webpage.
        The webpage has 5 words.
        Text to HTML ratio
        The text to HTML ratio is under 10%
        The text to HTML ratio is 1%.
        Inline CSS
        The webpage does not contain inline CSS code.
        Deprecated HTML
        There are no deprecated HTML tags on the webpage.