Tools & Wizards About Us
imlab.jp screenshot

Report Summary

  • 70

    Performance

    Renders faster than
    81% of other websites

  • 58

    Accessibility

    Visual factors better than
    that of 25% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

imlab.jp

知能メディア処理研究室 | 大阪公立大学 知能情報工学分野

Page Load Speed

3.5 sec in total

First Response

962 ms

Resources Loaded

2.3 sec

Page Rendered

208 ms

imlab.jp screenshot

About Website

Visit imlab.jp now to see the best up-to-date Imlab content and also check out these interesting facts you probably never knew about imlab.jp

大阪公立大学 大学院情報学研究科 基幹情報学専攻　知能情報学分野　知能メディア処理研究室のTOPページです．

Visit imlab.jp

Key Findings

We analyzed Imlab.jp page load time and found that the first response time was 962 ms and then it took 2.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

imlab.jp performance score

70

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

64/100

10%

LCP (Largest Contentful Paint)

Value8.6 s

1/100

25%

SI (Speed Index)

Value3.7 s

86/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value2.6 s

98/100

10%

Network Requests Diagram

imlab.jp

962 ms

style2.css

349 ms

Logo_40wht.gif

18 ms

lang-jp.gif

419 ms

title.jpg

1421 ms

Our browser made a total of 29 requests to load all elements on the main page. We found that 90% of them (26 requests) were addressed to the original Imlab.jp, 7% (2 requests) were made to Google-analytics.com and 3% (1 request) were made to Google.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Imlab.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 79.1 kB (28%)

Content Size

280.2 kB

After Optimization

201.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Imlab.jp main page is 280.2 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. 15% of websites need less resources to load. Images take 246.7 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 17.8 kB

  • Original 23.0 kB
  • After minification 20.4 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. This page needs HTML code to be minified as it can gain 2.6 kB, which is 11% 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 17.8 kB or 77% of the original size.

Image Optimization

-23%

Potential reduce by 57.6 kB

  • Original 246.7 kB
  • After minification 189.1 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, Imlab needs image optimization as it can save up to 57.6 kB or 23% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-14%

Potential reduce by 971 B

  • Original 6.8 kB
  • After minification 6.8 kB
  • After compression 5.9 kB

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 971 B or 14% of the original size.

CSS Optimization

-74%

Potential reduce by 2.7 kB

  • Original 3.6 kB
  • After minification 2.9 kB
  • After compression 923 B

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. Imlab.jp needs all CSS files to be minified and compressed as it can save up to 2.7 kB or 74% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

28

After Optimization

28

  • Images
  • JavaScript
  • CSS

The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Imlab. According to our analytics all requests are already optimized.

Network Requests Diagram

imlab.jp

imlab.jp

962 ms

style2.css

style2.css

349 ms

Logo_40wht.gif

Logo_40wht.gif

18 ms

lang-jp.gif

lang-jp.gif

419 ms

title.jpg

title.jpg

1421 ms

back1.gif

back1.gif

521 ms

allow-l.gif

allow-l.gif

491 ms

intro.png

intro.png

509 ms

news.png

news.png

542 ms

honor.png

honor.png

605 ms

research.png

research.png

825 ms

patent.png

patent.png

691 ms

member.png

member.png

712 ms

publicationdb.png

publicationdb.png

724 ms

internalonly.png

internalonly.png

808 ms

link.png

link.png

892 ms

top.png

top.png

915 ms

opu_top.gif

opu_top.gif

907 ms

technovation_j.jpg

technovation_j.jpg

1013 ms

csis.jpg

csis.jpg

999 ms

FB.png

FB.png

1092 ms

crest_logo_small.png

crest_logo_small.png

1089 ms

Tc-11_Logo_v2_72dpi.png

Tc-11_Logo_v2_72dpi.png

1317 ms

3days.png

3days.png

1174 ms

u-pat.png

u-pat.png

1218 ms

camocr.png

camocr.png

1227 ms

llah.jpg

llah.jpg

1273 ms

urchin.js

urchin.js

5 ms

__utm.gif

__utm.gif

3 ms

Accessibility Review

imlab.jp accessibility score

58

Accessibility Issues

Tables and lists

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

Impact

Issue

High

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

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

High

Form elements do not have associated labels

Best Practices

imlab.jp best practices score

58

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

General

Impact

Issue

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

imlab.jp SEO score

67

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

    JA

  • Language Claimed

    JA

  • Encoding

    SHIFT_JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Imlab.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 Imlab.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

imlab.jp

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