Tools & Wizards About Us

Report Summary

  • 82

    Performance

    Renders faster than
    87% of other websites

  • 44

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 58

    SEO

    Google-friendlier than
    21% of websites

numcontrol.cn

数控设备商www.numcontrol.com数控网www.numcontrol.cn-数控设备网|数控机床|数控机床配件|数控冲床|锻压类机床|五金模具|机械加工 - 数控设备商

Page Load Speed

5.2 sec in total

First Response

782 ms

Resources Loaded

4.1 sec

Page Rendered

279 ms

About Website

Visit numcontrol.cn now to see the best up-to-date Numcontrol content and also check out these interesting facts you probably never knew about numcontrol.cn

数控设备商www.numcontrol.com数控网www.numcontrol.cn-是数控设备行业全面、科学的数控设备网上交易平台。网站业务包括金属切削机床|数控成型车床|锻压类机床|数控磨床|数控车床|数控特种专用车床|木工机床|机床工控|齿轮加工机床|特种加工机床|螺纹加工机床|数控系统|机床工量具|测量设备|机床元部件|机床刀具夹具|机床附件|数控机床配件。

Visit numcontrol.cn

Key Findings

We analyzed Numcontrol.cn page load time and found that the first response time was 782 ms and then it took 4.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

numcontrol.cn performance score

82

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.4 s

97/100

10%

LCP (Largest Contentful Paint)

Value3.9 s

51/100

25%

SI (Speed Index)

Value5.8 s

50/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.6 s

98/100

10%

Network Requests Diagram

numcontrol.cn

782 ms

style.css

213 ms

jbox.css

423 ms

jquery-1.7.2.min.js

635 ms

common.js

425 ms

Our browser made a total of 74 requests to load all elements on the main page. We found that 47% of them (35 requests) were addressed to the original Numcontrol.cn, 27% (20 requests) were made to Img.maoyisw.com and 16% (12 requests) were made to Static.fsung.cn. The less responsive or slowest element that took the longest time to load (1.9 sec) relates to the external source Img.maoyisw.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 128.9 kB (11%)

Content Size

1.1 MB

After Optimization

1.0 MB

  • HTML
  • Images
  • CSS

In fact, the total size of Numcontrol.cn main page is 1.1 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. 30% of websites need less resources to load. Images take 1.0 MB which makes up the majority of the site volume.

HTML Optimization

-90%

Potential reduce by 85.1 kB

  • Original 94.3 kB
  • After minification 64.2 kB
  • After compression 9.2 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 30.1 kB, which is 32% 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 85.1 kB or 90% of the original size.

Image Optimization

-4%

Potential reduce by 43.1 kB

  • Original 1.0 MB
  • After minification 999.8 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. Numcontrol images are well optimized though.

CSS Optimization

-16%

Potential reduce by 652 B

  • Original 4.1 kB
  • After minification 4.1 kB
  • After compression 3.4 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. Numcontrol.cn needs all CSS files to be minified and compressed as it can save up to 652 B or 16% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (36%)

Requests Now

39

After Optimization

25

  • Images
  • JavaScript
  • CSS

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Numcontrol. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

numcontrol.cn accessibility score

44

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

High

Links do not have a discernible name

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

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

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

numcontrol.cn best practices score

50

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

numcontrol.cn SEO score

58

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 Numcontrol.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 Numcontrol.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

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