Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 82% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

k.nhk.jp

NHKオンライン テキスト版

Page Load Speed

1.3 sec in total

First Response

609 ms

Resources Loaded

619 ms

Page Rendered

84 ms

k.nhk.jp screenshot

About Website

Visit k.nhk.jp now to see the best up-to-date K Nhk content for Japan and also check out these interesting facts you probably never knew about k.nhk.jp

NHKのテキスト版公式ホームページ(読み上げソフト対応版)です。ニュース、気象、災害情報、番組表、放送局情報をお届けします。

Visit k.nhk.jp

Key Findings

We analyzed K.nhk.jp page load time and found that the first response time was 609 ms and then it took 703 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

k.nhk.jp performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.8 s

100/100

10%

LCP (Largest Contentful Paint)

Value0.8 s

100/100

25%

SI (Speed Index)

Value1.3 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value0.8 s

100/100

10%

Network Requests Diagram

k.nhk.jp

609 ms

Our browser made a total of 1 request to load all elements on the main page. We found that all of those requests were addressed to K.nhk.jp and no external sources were called. The less responsive or slowest element that took the longest time to load (609 ms) belongs to the original domain K.nhk.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.8 kB (60%)

Content Size

2.9 kB

After Optimization

1.2 kB

In fact, the total size of K.nhk.jp main page is 2.9 kB. This result falls within the top 5000 of lightweight and thus fast loading web pages. Only a small number of websites need less resources to load. HTML takes 2.9 kB which makes up the majority of the site volume.

HTML Optimization

-60%

Potential reduce by 1.8 kB

  • Original 2.9 kB
  • After minification 2.9 kB
  • After compression 1.2 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 1.8 kB or 60% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

0

After Optimization

0

Besides the initial HTML request, no CSS, Javascripts, AJAX or image files were requested in the course of web page rendering.

Accessibility Review

k.nhk.jp accessibility score

93

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

k.nhk.jp best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

SEO Factors

k.nhk.jp SEO score

83

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Page is blocked from indexing

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document doesn't use legible font sizes

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    N/A

  • Encoding

    SHIFT_JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise K.nhk.jp can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that K.nhk.jp main page’s claimed encoding is shift_jis. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph description is not detected on the main page of K Nhk. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: