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3nod.com.cn screenshot

Report Summary

  • 70

    Performance

    Renders faster than
    81% of other websites

  • 64

    Accessibility

    Visual factors better than
    that of 30% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 50

    SEO

    Google-friendlier than
    18% of websites

3nod.com.cn

三诺集团

Page Load Speed

58.2 sec in total

First Response

13 sec

Resources Loaded

45 sec

Page Rendered

219 ms

3nod.com.cn screenshot

About Website

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Key Findings

We analyzed 3nod.com.cn page load time and found that the first response time was 13 sec and then it took 45.3 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there were 5 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

3nod.com.cn performance score

70

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.7 s

91/100

10%

LCP (Largest Contentful Paint)

Value4.4 s

40/100

25%

SI (Speed Index)

Value13.6 s

2/100

10%

TBT (Total Blocking Time)

Value210 ms

89/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.3 s

94/100

10%

Network Requests Diagram

3nod.com.cn

12985 ms

fakeloader.css

1803 ms

jquery-1.8.0.min.js

19754 ms

jquery.jslides.js

10511 ms

public.css

5514 ms

Our browser made a total of 21 requests to load all elements on the main page. We found that all of those requests were addressed to 3nod.com.cn and no external sources were called. The less responsive or slowest element that took the longest time to load (20 sec) belongs to the original domain 3nod.com.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 69.9 kB (78%)

Content Size

90.0 kB

After Optimization

20.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of 3nod.com.cn main page is 90.0 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only 5% of websites need less resources to load. HTML takes 30.6 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 23.1 kB

  • Original 30.6 kB
  • After minification 28.1 kB
  • After compression 7.5 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 23.1 kB or 76% of the original size.

Image Optimization

-78%

Potential reduce by 13.8 kB

  • Original 17.6 kB
  • After minification 3.9 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, 3 Nod needs image optimization as it can save up to 13.8 kB or 78% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-72%

Potential reduce by 9.0 kB

  • Original 12.4 kB
  • After minification 11.5 kB
  • After compression 3.4 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 9.0 kB or 72% of the original size.

CSS Optimization

-82%

Potential reduce by 24.1 kB

  • Original 29.5 kB
  • After minification 24.7 kB
  • After compression 5.4 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. 3nod.com.cn needs all CSS files to be minified and compressed as it can save up to 24.1 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (20%)

Requests Now

15

After Optimization

12

  • Images
  • JavaScript
  • CSS

The browser has sent 15 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 3 Nod. 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 as a result speed up the page load time.

Network Requests Diagram

3nod.com.cn

3nod.com.cn

12985 ms

fakeloader.css

fakeloader.css

1803 ms

jquery-1.8.0.min.js

jquery-1.8.0.min.js

19754 ms

jquery.jslides.js

jquery.jslides.js

10511 ms

public.css

public.css

5514 ms

mSelect.js

mSelect.js

2723 ms

jquery.min_1.11.1.js

jquery.min_1.11.1.js

14435 ms

fakeloader.min.js

fakeloader.min.js

2741 ms

logo.png

logo.png

2581 ms

Share.gif

Share.gif

458 ms

1429003996.jpg

1429003996.jpg

4851 ms

50.jpg

50.jpg

19979 ms

01.jpg

01.jpg

19980 ms

40.jpg

40.jpg

19979 ms

12.jpg

12.jpg

19980 ms

Index_Main2.png

Index_Main2.png

9440 ms

n_bar.gif

n_bar.gif

5421 ms

tagleft.gif

tagleft.gif

5902 ms

tagright.gif

tagright.gif

6466 ms

mSelect.css

mSelect.css

7008 ms

blueCircle_bg.gif

blueCircle_bg.gif

494 ms

Accessibility Review

3nod.com.cn accessibility score

64

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

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

Links do not have a discernible name

Best Practices

3nod.com.cn best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

3nod.com.cn SEO score

50

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

    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 3nod.com.cn 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 3nod.com.cn 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

3nod.com.cn

Open Graph description is not detected on the main page of 3 Nod. 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: