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debut.umin.ac.jp screenshot

Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 61

    Accessibility

    Visual factors better than
    that of 27% of websites

  • 77

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 54

    SEO

    Google-friendlier than
    19% of websites

debut.umin.ac.jp

DEBUT−オンライン歯科臨床研修評価システム

Page Load Speed

5.2 sec in total

First Response

1.8 sec

Resources Loaded

3.2 sec

Page Rendered

130 ms

debut.umin.ac.jp screenshot

About Website

Visit debut.umin.ac.jp now to see the best up-to-date DEBUT Umin content for Japan and also check out these interesting facts you probably never knew about debut.umin.ac.jp

Visit debut.umin.ac.jp

Key Findings

We analyzed Debut.umin.ac.jp page load time and found that the first response time was 1.8 sec and then it took 3.4 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

debut.umin.ac.jp performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.9 s

100/100

10%

LCP (Largest Contentful Paint)

Value0.9 s

100/100

25%

SI (Speed Index)

Value1.5 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value0.9 s

100/100

10%

Network Requests Diagram

debut.umin.ac.jp

1813 ms

npc.cgi

632 ms

green.gif

1112 ms

triangle_g.gif

386 ms

ball_g.gif

379 ms

Our browser made a total of 7 requests to load all elements on the main page. We found that 86% of them (6 requests) were addressed to the original Debut.umin.ac.jp, 14% (1 request) were made to Square.umin.ac.jp. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Debut.umin.ac.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 21.3 kB (87%)

Content Size

24.4 kB

After Optimization

3.1 kB

  • HTML

In fact, the total size of Debut.umin.ac.jp main page is 24.4 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. HTML takes 24.4 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 21.3 kB

  • Original 24.4 kB
  • After minification 13.9 kB
  • After compression 3.1 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 10.4 kB, which is 43% 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 21.3 kB or 87% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

6

After Optimization

6

  • Images

The browser has sent 6 CSS, Javascripts, AJAX and image requests in order to completely render the main page of DEBUT Umin. According to our analytics all requests are already optimized.

Network Requests Diagram

debut.umin.ac.jp

debut.umin.ac.jp

1813 ms

npc.cgi

npc.cgi

632 ms

green.gif

green.gif

1112 ms

triangle_g.gif

triangle_g.gif

386 ms

ball_g.gif

ball_g.gif

379 ms

new.gif

new.gif

199 ms

banner.gif

banner.gif

1420 ms

Accessibility Review

debut.umin.ac.jp accessibility score

61

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.

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

Image elements do not have [alt] attributes

Best Practices

debut.umin.ac.jp best practices score

77

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

debut.umin.ac.jp SEO score

54

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

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    JA

  • Encoding

    SHIFT_JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Debut.umin.ac.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 Debut.umin.ac.jp main page’s claimed encoding is shift_jis. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

debut.umin.ac.jp

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