Report Summary

  • 76

    Performance

    Renders faster than
    84% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

health.yahoo.co.jp

サービス終了のお知らせ

Page Load Speed

7.6 sec in total

First Response

541 ms

Resources Loaded

6.7 sec

Page Rendered

305 ms

health.yahoo.co.jp screenshot

About Website

Click here to check amazing Health Yahoo content for Japan. Otherwise, check out these important facts you probably never knew about health.yahoo.co.jp

日本全国の病院、歯科医院の情報検索、家庭の医学で病気検索、生活習慣病やダイエットに関する健康コラム、市販の薬や病院で処方された薬の情報を検索することができます。Yahoo!ヘルスケア

Visit health.yahoo.co.jp

Key Findings

We analyzed Health.yahoo.co.jp page load time and found that the first response time was 541 ms and then it took 7 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

health.yahoo.co.jp performance score

76

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

29/100

10%

LCP (Largest Contentful Paint)

Value3.7 s

57/100

25%

SI (Speed Index)

Value5.1 s

62/100

10%

TBT (Total Blocking Time)

Value50 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.8 s

79/100

10%

Network Requests Diagram

health.yahoo.co.jp

541 ms

medical.yahoo.co.jp

1170 ms

yjTmplCommon-min.css

688 ms

top.css

679 ms

std.css

495 ms

Our browser made a total of 111 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Health.yahoo.co.jp, 58% (64 requests) were made to I.yimg.jp and 11% (12 requests) were made to Ai.yimg.jp. The less responsive or slowest element that took the longest time to load (2.3 sec) relates to the external source I.yimg.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 375.3 kB (44%)

Content Size

858.8 kB

After Optimization

483.5 kB

In fact, the total size of Health.yahoo.co.jp main page is 858.8 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 45% of websites need less resources to load. Images take 395.7 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 85.2 kB

  • Original 102.2 kB
  • After minification 68.7 kB
  • After compression 17.0 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 33.5 kB, which is 33% 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 85.2 kB or 83% of the original size.

Image Optimization

-8%

Potential reduce by 33.0 kB

  • Original 395.7 kB
  • After minification 362.7 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. Health Yahoo images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 182.2 kB

  • Original 273.1 kB
  • After minification 270.4 kB
  • After compression 90.9 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 182.2 kB or 67% of the original size.

CSS Optimization

-85%

Potential reduce by 74.9 kB

  • Original 87.8 kB
  • After minification 75.9 kB
  • After compression 12.9 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. Health.yahoo.co.jp needs all CSS files to be minified and compressed as it can save up to 74.9 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 55 (50%)

Requests Now

109

After Optimization

54

The browser has sent 109 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Health Yahoo. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 27 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

health.yahoo.co.jp accessibility score

100

Accessibility Issues

Best Practices

health.yahoo.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

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

health.yahoo.co.jp SEO score

62

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

robots.txt is not valid

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 Health.yahoo.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 Health.yahoo.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 description is not detected on the main page of Health Yahoo. 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: