Report Summary

  • 11

    Performance

    Renders faster than
    24% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 50% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 84

    SEO

    Google-friendlier than
    53% of websites

chuokoron.jp

中央公論.jp

Page Load Speed

1.6 sec in total

First Response

562 ms

Resources Loaded

927 ms

Page Rendered

94 ms

chuokoron.jp screenshot

About Website

Welcome to chuokoron.jp homepage info - get ready to check Chuokoron best content for Japan right away, or after learning these important things about chuokoron.jp

創刊一三〇年超、日本最長寿雑誌『中央公論』がWebの場で生み出す新たな世界。幅広い知識人、論客、各界のキーパーソンを迎え、政治、経済、国際情勢、教育、医療、科学、文化など、変化の激しい時代を生き抜くために最先端の「知」と歴史の教訓をお届けします!

Visit chuokoron.jp

Key Findings

We analyzed Chuokoron.jp page load time and found that the first response time was 562 ms and then it took 1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

chuokoron.jp performance score

11

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.5 s

1/100

10%

LCP (Largest Contentful Paint)

Value11.6 s

0/100

25%

SI (Speed Index)

Value21.9 s

0/100

10%

TBT (Total Blocking Time)

Value17,270 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.16

73/100

15%

TTI (Time to Interactive)

Value30.5 s

0/100

10%

Network Requests Diagram

chuokoron.jp

562 ms

logo.jpg

363 ms

Our browser made a total of 2 requests to load all elements on the main page. We found that all of those requests were addressed to Chuokoron.jp and no external sources were called. The less responsive or slowest element that took the longest time to load (562 ms) belongs to the original domain Chuokoron.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 848 B (9%)

Content Size

9.1 kB

After Optimization

8.3 kB

In fact, the total size of Chuokoron.jp main page is 9.1 kB. This result falls within a big category (top 100 000) of medium weight web pages. Only a small number of websites need less resources to load. Images take 7.4 kB which makes up the majority of the site volume.

HTML Optimization

-46%

Potential reduce by 824 B

  • Original 1.8 kB
  • After minification 1.6 kB
  • After compression 951 B

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 824 B or 46% of the original size.

Image Optimization

-0%

Potential reduce by 24 B

  • Original 7.4 kB
  • After minification 7.3 kB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Chuokoron images are well optimized though.

Requests Breakdown

We found no issues to fix!

Requests Now

1

After Optimization

1

The browser has sent 1 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Chuokoron. According to our analytics all requests are already optimized.

Accessibility Review

chuokoron.jp accessibility score

80

Accessibility Issues

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

Best Practices

chuokoron.jp best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

chuokoron.jp SEO score

84

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

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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 uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    JA

  • Encoding

    SHIFT_JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Chuokoron.jp can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and it matches the claimed language. Our system also found out that Chuokoron.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 Chuokoron. 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: