Tools & Wizards About Us

Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

judo-u.com

亚博集团控股有限公司

Page Load Speed

4.2 sec in total

First Response

612 ms

Resources Loaded

3 sec

Page Rendered

534 ms

About Website

Click here to check amazing Judo U content. Otherwise, check out these important facts you probably never knew about judo-u.com

亚博集团控股有限公司（简称“亚博集团控股有限公司”）成立于1997年，亚博集团控股有限公司位于海口保税区，是集研发、生产、销售与服务于一体的国家级高新技术企业，建有海口、武汉、上海、桂林四个研发、制造基地，在美国及香港设有公司。金盘科技主要从事应用于新能源、高端装备、节能环保等领域的输配电及控制设备产品的研发、生产和销售。亚博集团控股有限公司产品销售遍布全国，并出口到全球70多个国家和地区。创建于...

Visit judo-u.com

Key Findings

We analyzed Judo-u.com page load time and found that the first response time was 612 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

judo-u.com performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.2 s

99/100

10%

LCP (Largest Contentful Paint)

Value1.2 s

100/100

25%

SI (Speed Index)

Value2.2 s

99/100

10%

TBT (Total Blocking Time)

Value50 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value2.5 s

98/100

10%

Network Requests Diagram

judo-u.com

612 ms

css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css

186 ms

css_TsVRTbLFUpEZAfw-_bWPJu840QT523CPjUVJ5MRWfyk.css

188 ms

css_8x9W_mQF03MTJ4dSV6ycWKkbaK8TR0Sd4fGezzLhh-c.css

190 ms

css__6NS1vl1q3eRGbbPNJ9_-H9h-lsww4IAkM5vnfEFpT4.css

283 ms

Our browser made a total of 86 requests to load all elements on the main page. We found that all of those requests were addressed to Judo-u.com and no external sources were called. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Judo-u.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 364.1 kB (15%)

Content Size

2.4 MB

After Optimization

2.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Judo-u.com main page is 2.4 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 60% of websites need less resources to load. Images take 2.0 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 64.6 kB

  • Original 78.6 kB
  • After minification 72.5 kB
  • After compression 14.1 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. 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 64.6 kB or 82% of the original size.

Image Optimization

-3%

Potential reduce by 65.5 kB

  • Original 2.0 MB
  • After minification 1.9 MB

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. Judo U images are well optimized though.

JavaScript Optimization

-75%

Potential reduce by 176.0 kB

  • Original 234.8 kB
  • After minification 180.2 kB
  • After compression 58.8 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 176.0 kB or 75% of the original size.

CSS Optimization

-77%

Potential reduce by 58.0 kB

  • Original 75.4 kB
  • After minification 72.8 kB
  • After compression 17.4 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. Judo-u.com needs all CSS files to be minified and compressed as it can save up to 58.0 kB or 77% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (7%)

Requests Now

85

After Optimization

79

  • Images
  • JavaScript
  • CSS

The browser has sent 85 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Judo U. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

judo-u.com accessibility score

84

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

Best Practices

judo-u.com best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

SEO Factors

judo-u.com SEO score

92

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

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Judo-u.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese 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 Judo-u.com 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 Judo 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: