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tousuikai.net screenshot

Report Summary

  • 91

    Performance

    Renders faster than
    91% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 73

    SEO

    Google-friendlier than
    31% of websites

tousuikai.net

東京大学運動会水泳部

Page Load Speed

3.4 sec in total

First Response

548 ms

Resources Loaded

2.7 sec

Page Rendered

155 ms

tousuikai.net screenshot

About Website

Welcome to tousuikai.net homepage info - get ready to check Tousuikai best content for Japan right away, or after learning these important things about tousuikai.net

東京大学運動会水泳部・東水会マスターズのHP

Visit tousuikai.net

Key Findings

We analyzed Tousuikai.net page load time and found that the first response time was 548 ms and then it took 2.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

tousuikai.net performance score

91

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

87/100

10%

LCP (Largest Contentful Paint)

Value2.7 s

85/100

25%

SI (Speed Index)

Value2.8 s

95/100

10%

TBT (Total Blocking Time)

Value130 ms

96/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value5.0 s

77/100

10%

Network Requests Diagram

tousuikai.net

548 ms

top.css

180 ms

css

19 ms

jquery.min.js

7 ms

analytics.js

21 ms

Our browser made a total of 12 requests to load all elements on the main page. We found that 50% of them (6 requests) were addressed to the original Tousuikai.net, 17% (2 requests) were made to Google-analytics.com and 8% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Tousuikai.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 68.4 kB (11%)

Content Size

644.3 kB

After Optimization

575.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Tousuikai.net main page is 644.3 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. 15% of websites need less resources to load. Images take 588.2 kB which makes up the majority of the site volume.

HTML Optimization

-65%

Potential reduce by 2.6 kB

  • Original 3.9 kB
  • After minification 3.7 kB
  • After compression 1.4 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 2.6 kB or 65% of the original size.

Image Optimization

-11%

Potential reduce by 64.3 kB

  • Original 588.2 kB
  • After minification 523.9 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. Obviously, Tousuikai needs image optimization as it can save up to 64.3 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 157 B

  • Original 50.2 kB
  • After minification 50.2 kB
  • After compression 50.0 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

-70%

Potential reduce by 1.4 kB

  • Original 2.0 kB
  • After minification 1.5 kB
  • After compression 591 B

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. Tousuikai.net needs all CSS files to be minified and compressed as it can save up to 1.4 kB or 70% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

10

After Optimization

10

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 10 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tousuikai. According to our analytics all requests are already optimized.

Network Requests Diagram

tousuikai.net

tousuikai.net

548 ms

top.css

top.css

180 ms

css

css

19 ms

jquery.min.js

jquery.min.js

7 ms

analytics.js

analytics.js

21 ms

kyoto.jpg

kyoto.jpg

1918 ms

intercol_swim.png

intercol_swim.png

1021 ms

intercol_wpolo.png

intercol_wpolo.png

1025 ms

masters_peng1.png

masters_peng1.png

854 ms

font

font

106 ms

collect

collect

29 ms

js

js

67 ms

Accessibility Review

tousuikai.net accessibility score

78

Accessibility Issues

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

tousuikai.net best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

tousuikai.net SEO score

73

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tousuikai.net 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 Tousuikai.net 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

tousuikai.net

Open Graph description is not detected on the main page of Tousuikai. 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: