Access aees.kyushu-u.ac.jp. 九州大学プラズマ・量子理工学メジャー

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

53/100

10%

LCP (Largest Contentful Paint)

Value21.9 s

0/100

25%

SI (Speed Index)

Value5.2 s

60/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.111

87/100

15%

TTI (Time to Interactive)

Value2.9 s

96/100

10%

aees.kyushu-u.ac.jp

1091 ms

default.css

405 ms

style.css

421 ms

logbox.css

425 ms

menu.js

441 ms

Our browser made a total of 110 requests to load all elements on the main page. We found that all of those requests were addressed to Aees.kyushu-u.ac.jp and no external sources were called. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Aees.kyushu-u.ac.jp.

Content Size

185.2 kB

After Optimization

137.6 kB

In fact, the total size of Aees.kyushu-u.ac.jp main page is 185.2 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. 25% of websites need less resources to load. Images take 147.3 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 25.4 kB

Original 30.7 kB
After minification 28.1 kB
After compression 5.2 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 25.4 kB or 83% of the original size.

Image Optimization

-11%

Potential reduce by 16.8 kB

Original 147.3 kB
After minification 130.5 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, Aees Kyushu U needs image optimization as it can save up to 16.8 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

-74%

Potential reduce by 769 B

Original 1.0 kB
After minification 927 B
After compression 269 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 769 B or 74% of the original size.

CSS Optimization

-74%

Potential reduce by 4.6 kB

Original 6.2 kB
After minification 4.7 kB
After compression 1.6 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. Aees.kyushu-u.ac.jp needs all CSS files to be minified and compressed as it can save up to 4.6 kB or 74% of the original size.

Requests Now

109

After Optimization

The browser has sent 109 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Aees Kyushu U. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

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.

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

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

High

Image elements do not have [alt] attributes

Language and Encoding

Language Detected

JA
Language Claimed

N/A
Encoding

SHIFT_JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Aees.kyushu-u.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 Aees.kyushu-u.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

aees.kyushu-u.ac.jp

Open Graph description is not detected on the main page of Aees Kyushu U. 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:

Report Summary

Performance

Accessibility

Best Practices

SEO

九州大学プラズマ・量子理工学メジャー

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

aees.kyushu-u.ac.jp

default.css

style.css

logbox.css

menu.js

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

aees.kyushu-u.ac.jp

default.css

style.css

logbox.css

menu.js

btn_01.gif

btn_01_h.gif

btn_02.gif

btn_02_h.gif

btn_03.gif

btn_03_h.gif

btn_04.gif

btn_04_h.gif

btn_05.gif

btn_05_h.gif

btn_06.gif

btn_06_h.gif

gak02_btn_01.gif

gak02_btn_01_h.gif

gak02_btn_02.gif

gak02_btn_02_h.gif

top_back.gif

body_back.gif

logo.gif

btn_07.gif

btn_08.gif

top_01.gif

top_news_01.gif

top_asia.gif

top_open.jpg

top_stu.jpg

top_voi2.jpg

top_bosyu.gif

top_lec.jpg

top_award.gif

top_postmail.jpg

kyousyokuin%20koubo%20banner.gif

yoyaku%20banner.gif

room%20banner.gif

spacer.gif

2_clover_r1_c1.jpg

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