Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 70

    Accessibility

    Visual factors better than
    that of 36% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 58

    SEO

    Google-friendlier than
    20% of websites

jsa64.umin.jp

UMIN SQUAREサービス

Page Load Speed

4.6 sec in total

First Response

998 ms

Resources Loaded

3.3 sec

Page Rendered

257 ms

jsa64.umin.jp screenshot

About Website

Visit jsa64.umin.jp now to see the best up-to-date Jsa 64 UMIN content for Japan and also check out these interesting facts you probably never knew about jsa64.umin.jp

第64回日本アレルギー学会学術大会公式サイト

Visit jsa64.umin.jp

Key Findings

We analyzed Jsa64.umin.jp page load time and found that the first response time was 998 ms and then it took 3.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

jsa64.umin.jp performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.6 s

100/100

10%

LCP (Largest Contentful Paint)

Value0.6 s

100/100

25%

SI (Speed Index)

Value1.4 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.004

100/100

15%

TTI (Time to Interactive)

Value0.6 s

100/100

10%

Network Requests Diagram

jsa64.umin.jp

998 ms

style.css

553 ms

backtotop.js

394 ms

bg_body.jpg

360 ms

bg_content-trans.png

605 ms

Our browser made a total of 18 requests to load all elements on the main page. We found that all of those requests were addressed to Jsa64.umin.jp and no external sources were called. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Jsa64.umin.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 29.1 kB (5%)

Content Size

552.8 kB

After Optimization

523.8 kB

In fact, the total size of Jsa64.umin.jp main page is 552.8 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 527.9 kB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 5.5 kB

  • Original 7.9 kB
  • After minification 7.1 kB
  • After compression 2.4 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 5.5 kB or 70% of the original size.

Image Optimization

-2%

Potential reduce by 9.9 kB

  • Original 527.9 kB
  • After minification 518.0 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. Jsa 64 UMIN images are well optimized though.

JavaScript Optimization

-63%

Potential reduce by 377 B

  • Original 597 B
  • After minification 456 B
  • After compression 220 B

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 377 B or 63% of the original size.

CSS Optimization

-81%

Potential reduce by 13.3 kB

  • Original 16.5 kB
  • After minification 12.0 kB
  • After compression 3.2 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. Jsa64.umin.jp needs all CSS files to be minified and compressed as it can save up to 13.3 kB or 81% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

17

After Optimization

17

The browser has sent 17 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jsa 64 UMIN. According to our analytics all requests are already optimized.

Accessibility Review

jsa64.umin.jp accessibility score

70

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

jsa64.umin.jp best practices score

67

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

jsa64.umin.jp SEO score

58

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

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jsa64.umin.jp can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Jsa64.umin.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 Jsa 64 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: