Report Summary

  • 14

    Performance

    Renders faster than
    26% of other websites

  • 66

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

zhongdiao.net

光纤|CO2|紫外|金属|二氧化碳|飞行在线|视觉定位|3d动态激光打标机_手持光纤激光焊接机_武汉非标自动化激光设备厂家哪家好-武汉中雕激光数控设备有限公司

Page Load Speed

35.9 sec in total

First Response

15.2 sec

Resources Loaded

20.5 sec

Page Rendered

179 ms

zhongdiao.net screenshot

About Website

Welcome to zhongdiao.net homepage info - get ready to check Zhongdiao best content right away, or after learning these important things about zhongdiao.net

武汉中雕激光数控有限公司是武汉·中国光谷激光光电子集群骨干激光设备生产厂家,主要生产销售武汉激光打标机,光纤激光打标机、CO2激光打标机、紫外激光打标机、飞行在线激光打标机、视觉定位激光打标机、3d动态激光打标机、手持激光焊接机、连续光纤激光焊接机等各类激光设备,并提供整套非标自动化激光设备解决方案,致力于打造激光智能制造设备,让激光科技改变人类生活,各类激光设备品类齐全,免费打样试机

Visit zhongdiao.net

Key Findings

We analyzed Zhongdiao.net page load time and found that the first response time was 15.2 sec and then it took 20.7 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.

Performance Metrics

zhongdiao.net performance score

14

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.4 s

6/100

10%

LCP (Largest Contentful Paint)

Value20.6 s

0/100

25%

SI (Speed Index)

Value19.1 s

0/100

10%

TBT (Total Blocking Time)

Value14,310 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.11

87/100

15%

TTI (Time to Interactive)

Value25.3 s

0/100

10%

Network Requests Diagram

zhongdiao.net

15234 ms

css.css

140 ms

pa.gif

164 ms

stat.php

1621 ms

bj22.jpg

96 ms

Our browser made a total of 11 requests to load all elements on the main page. We found that 55% of them (6 requests) were addressed to the original Zhongdiao.net, 9% (1 request) were made to S5.cnzz.com and 9% (1 request) were made to Oz.cnzz.com. The less responsive or slowest element that took the longest time to load (15.2 sec) belongs to the original domain Zhongdiao.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 9.1 kB (62%)

Content Size

14.6 kB

After Optimization

5.5 kB

In fact, the total size of Zhongdiao.net main page is 14.6 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. Javascripts take 10.7 kB which makes up the majority of the site volume.

HTML Optimization

-58%

Potential reduce by 2.2 kB

  • Original 3.9 kB
  • After minification 3.7 kB
  • After compression 1.7 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 2.2 kB or 58% of the original size.

JavaScript Optimization

-64%

Potential reduce by 6.9 kB

  • Original 10.7 kB
  • After minification 10.7 kB
  • After compression 3.8 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 6.9 kB or 64% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

9

After Optimization

9

The browser has sent 9 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zhongdiao. According to our analytics all requests are already optimized.

Accessibility Review

zhongdiao.net accessibility score

66

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

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

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

zhongdiao.net best practices score

75

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

zhongdiao.net SEO score

83

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

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

High

Tap targets are not sized appropriately

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 Zhongdiao.net 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 Zhongdiao.net 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 Zhongdiao. 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: