Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 89% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 97

    SEO

    Google-friendlier than
    91% of websites

yomiuri.co.jp

読売新聞オンライン : ニュース&お得サイト

Page Load Speed

7.6 sec in total

First Response

66 ms

Resources Loaded

5 sec

Page Rendered

2.5 sec

yomiuri.co.jp screenshot

About Website

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

【読売新聞】読売新聞オンラインは読売新聞のニュース・情報サイト。社会、スポーツ、政治、経済、国際などの最新ニュースや教育、医療などの読み物、映像ニュースも充実。ポケモン、発言小町、クーポンやプレゼントも。2019年2月にYOMIURI ONLINEからサイト名を変更しました。

Visit yomiuri.co.jp

Key Findings

We analyzed Yomiuri.co.jp page load time and found that the first response time was 66 ms and then it took 7.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

yomiuri.co.jp performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.9 s

4/100

10%

LCP (Largest Contentful Paint)

Value9.9 s

0/100

25%

SI (Speed Index)

Value11.1 s

5/100

10%

TBT (Total Blocking Time)

Value5,180 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.039

99/100

15%

TTI (Time to Interactive)

Value38.0 s

0/100

10%

Network Requests Diagram

www.yomiuri.co.jp

66 ms

pwa-20240424032621.js

20 ms

style-20240424032621.css

27 ms

uni-home-2024-20240424032621.css

20 ms

sys-ajax-contents-20240424032621.css

19 ms

Our browser made a total of 357 requests to load all elements on the main page. We found that 75% of them (266 requests) were addressed to the original Yomiuri.co.jp, 3% (9 requests) were made to Cdn-au.onetrust.com and 2% (8 requests) were made to D1u2smln55y7xz.cloudfront.net. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Yomiuri.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 541.8 kB (3%)

Content Size

16.3 MB

After Optimization

15.7 MB

In fact, the total size of Yomiuri.co.jp main page is 16.3 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 85% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 14.9 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 449.0 kB

  • Original 565.5 kB
  • After minification 493.8 kB
  • After compression 116.5 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. This page needs HTML code to be minified as it can gain 71.7 kB, which is 13% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 449.0 kB or 79% of the original size.

Image Optimization

-0%

Potential reduce by 72.7 kB

  • Original 14.9 MB
  • After minification 14.8 MB

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. Yomiuri images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 16.9 kB

  • Original 731.9 kB
  • After minification 731.9 kB
  • After compression 715.0 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. This website has mostly compressed JavaScripts.

CSS Optimization

-4%

Potential reduce by 3.1 kB

  • Original 85.6 kB
  • After minification 84.8 kB
  • After compression 82.5 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Yomiuri.co.jp has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 87 (25%)

Requests Now

354

After Optimization

267

The browser has sent 354 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Yomiuri. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 58 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

yomiuri.co.jp accessibility score

96

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

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

Links do not have a discernible name

Best Practices

yomiuri.co.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

yomiuri.co.jp SEO score

97

Search Engine Optimization Advices

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

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Yomiuri.co.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 Yomiuri.co.jp main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

Open Graph data is detected on the main page of Yomiuri. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: