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sso.ouj.ac.jp screenshot

Report Summary

  • 87

    Performance

    Renders faster than
    90% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 77% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 91

    SEO

    Google-friendlier than
    71% of websites

sso.ouj.ac.jp

放送大学 認証システム

Page Load Speed

4 sec in total

First Response

991 ms

Resources Loaded

2.9 sec

Page Rendered

125 ms

sso.ouj.ac.jp screenshot

About Website

Visit sso.ouj.ac.jp now to see the best up-to-date Sso Ouj content for Japan and also check out these interesting facts you probably never knew about sso.ouj.ac.jp

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Key Findings

We analyzed Sso.ouj.ac.jp page load time and found that the first response time was 991 ms and then it took 3.1 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

sso.ouj.ac.jp performance score

87

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

51/100

10%

LCP (Largest Contentful Paint)

Value3.0 s

79/100

25%

SI (Speed Index)

Value4.4 s

74/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.0 s

96/100

10%

Network Requests Diagram

sso.ouj.ac.jp

991 ms

login

772 ms

cas.css;jsessionid=95FB916AB2A9EFAC5BF49EBB4E973C05

538 ms

jquery.min.js

67 ms

jquery-ui.min.js

87 ms

Our browser made a total of 7 requests to load all elements on the main page. We found that 71% of them (5 requests) were addressed to the original Sso.ouj.ac.jp, 29% (2 requests) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (991 ms) belongs to the original domain Sso.ouj.ac.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.7 kB (61%)

Content Size

4.4 kB

After Optimization

1.7 kB

  • HTML

In fact, the total size of Sso.ouj.ac.jp main page is 4.4 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only 5% of websites need less resources to load. HTML takes 4.4 kB which makes up the majority of the site volume.

HTML Optimization

-61%

Potential reduce by 2.7 kB

  • Original 4.4 kB
  • After minification 3.8 kB
  • After compression 1.7 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. This page needs HTML code to be minified as it can gain 638 B, which is 14% 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 2.7 kB or 61% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

5

After Optimization

5

  • Images
  • JavaScript
  • CSS

The browser has sent 5 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sso Ouj. According to our analytics all requests are already optimized.

Network Requests Diagram

sso.ouj.ac.jp

sso.ouj.ac.jp

991 ms

login

login

772 ms

cas.css;jsessionid=95FB916AB2A9EFAC5BF49EBB4E973C05

cas.css;jsessionid=95FB916AB2A9EFAC5BF49EBB4E973C05

538 ms

jquery.min.js

jquery.min.js

67 ms

jquery-ui.min.js

jquery-ui.min.js

87 ms

cas.js;jsessionid=95FB916AB2A9EFAC5BF49EBB4E973C05

cas.js;jsessionid=95FB916AB2A9EFAC5BF49EBB4E973C05

590 ms

ouj-logo.gif

ouj-logo.gif

611 ms

Accessibility Review

sso.ouj.ac.jp accessibility score

91

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

sso.ouj.ac.jp 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

High

Page has valid source maps

SEO Factors

sso.ouj.ac.jp SEO score

91

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

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sso.ouj.ac.jp can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and it does not match the claimed English language. Our system also found out that Sso.ouj.ac.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

sso.ouj.ac.jp

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