Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 50

    SEO

    Google-friendlier than
    18% of websites

beta-lab.umin.ac.jp

東京大学大学院医学系研究科 病因 ・病理学専攻応用病理学分野

Page Load Speed

4.4 sec in total

First Response

1.2 sec

Resources Loaded

3.1 sec

Page Rendered

149 ms

beta-lab.umin.ac.jp screenshot

About Website

Click here to check amazing Beta Lab Umin content for Japan. Otherwise, check out these important facts you probably never knew about beta-lab.umin.ac.jp

Visit beta-lab.umin.ac.jp

Key Findings

We analyzed Beta-lab.umin.ac.jp page load time and found that the first response time was 1.2 sec and then it took 3.2 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

beta-lab.umin.ac.jp performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.1 s

99/100

10%

LCP (Largest Contentful Paint)

Value1.5 s

100/100

25%

SI (Speed Index)

Value2.4 s

98/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.1 s

100/100

10%

Network Requests Diagram

beta-lab.umin.ac.jp

1180 ms

base.css

372 ms

logo.gif

475 ms

top.jpg

813 ms

topic_f02.jpg

576 ms

Our browser made a total of 14 requests to load all elements on the main page. We found that all of those requests were addressed to Beta-lab.umin.ac.jp and no external sources were called. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Beta-lab.umin.ac.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 22.3 kB (15%)

Content Size

151.9 kB

After Optimization

129.6 kB

In fact, the total size of Beta-lab.umin.ac.jp main page is 151.9 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. Only 10% of websites need less resources to load. Images take 129.4 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 9.5 kB

  • Original 12.4 kB
  • After minification 10.4 kB
  • After compression 2.9 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 2.0 kB, which is 16% 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 9.5 kB or 77% of the original size.

Image Optimization

-4%

Potential reduce by 4.9 kB

  • Original 129.4 kB
  • After minification 124.4 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. Beta Lab Umin images are well optimized though.

CSS Optimization

-78%

Potential reduce by 7.9 kB

  • Original 10.1 kB
  • After minification 8.3 kB
  • After compression 2.2 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. Beta-lab.umin.ac.jp needs all CSS files to be minified and compressed as it can save up to 7.9 kB or 78% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

13

After Optimization

13

The browser has sent 13 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Beta Lab Umin. According to our analytics all requests are already optimized.

Accessibility Review

beta-lab.umin.ac.jp accessibility score

72

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

Image elements do not have [alt] attributes

Best Practices

beta-lab.umin.ac.jp best practices score

75

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

beta-lab.umin.ac.jp SEO score

50

Search Engine Optimization Advices

Content Best Practices

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

Impact

Issue

High

Links do not have descriptive text

High

Image elements do not have [alt] attributes

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 Beta-lab.umin.ac.jp 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 Beta-lab.umin.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

Open Graph description is not detected on the main page of Beta Lab 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: