Report Summary

  • 34

    Performance

    Renders faster than
    54% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 69% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

kansetsu-itai.com

人工関節と関節痛の情報サイト 【関節が痛い.com】

Page Load Speed

6.8 sec in total

First Response

1.7 sec

Resources Loaded

4.7 sec

Page Rendered

287 ms

kansetsu-itai.com screenshot

About Website

Welcome to kansetsu-itai.com homepage info - get ready to check Kansetsu Itai best content for Japan right away, or after learning these important things about kansetsu-itai.com

人工関節と関節痛(股関節・膝関節の痛み)の情報サイトです。人工関節の手術を受けた方の体験談や、先生からのメッセージ、気になるお金のことまで広く情報提供しています。

Visit kansetsu-itai.com

Key Findings

We analyzed Kansetsu-itai.com page load time and found that the first response time was 1.7 sec and then it took 5 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

kansetsu-itai.com performance score

34

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

22/100

10%

LCP (Largest Contentful Paint)

Value6.5 s

9/100

25%

SI (Speed Index)

Value8.0 s

21/100

10%

TBT (Total Blocking Time)

Value380 ms

70/100

30%

CLS (Cumulative Layout Shift)

Value0.396

26/100

15%

TTI (Time to Interactive)

Value10.7 s

22/100

10%

Network Requests Diagram

kansetsu-itai.com

1740 ms

style.css

692 ms

jquery.min.js

81 ms

sp.main_img.js

358 ms

pc.main_img.js

361 ms

Our browser made a total of 93 requests to load all elements on the main page. We found that 97% of them (90 requests) were addressed to the original Kansetsu-itai.com, 2% (2 requests) were made to Google-analytics.com and 1% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Kansetsu-itai.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 276.4 kB (34%)

Content Size

807.4 kB

After Optimization

531.0 kB

In fact, the total size of Kansetsu-itai.com main page is 807.4 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. 40% of websites need less resources to load. Images take 496.6 kB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 207.1 kB

  • Original 233.9 kB
  • After minification 229.7 kB
  • After compression 26.7 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 207.1 kB or 89% of the original size.

Image Optimization

-4%

Potential reduce by 21.6 kB

  • Original 496.6 kB
  • After minification 475.0 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. Kansetsu Itai images are well optimized though.

JavaScript Optimization

-43%

Potential reduce by 18.0 kB

  • Original 41.5 kB
  • After minification 33.7 kB
  • After compression 23.5 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 18.0 kB or 43% of the original size.

CSS Optimization

-84%

Potential reduce by 29.7 kB

  • Original 35.4 kB
  • After minification 27.8 kB
  • After compression 5.8 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. Kansetsu-itai.com needs all CSS files to be minified and compressed as it can save up to 29.7 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 35 (38%)

Requests Now

92

After Optimization

57

The browser has sent 92 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kansetsu Itai. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

kansetsu-itai.com accessibility score

88

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.

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.

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

kansetsu-itai.com best practices score

58

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

kansetsu-itai.com SEO score

98

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 Kansetsu-itai.com 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 Kansetsu-itai.com 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 Kansetsu Itai. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: