Report Summary

  • 7

    Performance

    Renders faster than
    22% of other websites

  • 43

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

zzhuaer.en.alibaba.com

Zhengzhou Huaer Electro-Optics Technology Co., Ltd.

Page Load Speed

4 sec in total

First Response

316 ms

Resources Loaded

2.9 sec

Page Rendered

830 ms

zzhuaer.en.alibaba.com screenshot

About Website

Visit zzhuaer.en.alibaba.com now to see the best up-to-date Zz Huaer En Alibaba content for China and also check out these interesting facts you probably never knew about zzhuaer.en.alibaba.com

Zhengzhou Huaer Electro-Optics Technology Co., Ltd., Experts in Manufacturing and Exporting and 0 more Products.

Visit zzhuaer.en.alibaba.com

Key Findings

We analyzed Zzhuaer.en.alibaba.com page load time and found that the first response time was 316 ms and then it took 3.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

zzhuaer.en.alibaba.com performance score

7

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

67/100

10%

LCP (Largest Contentful Paint)

Value17.6 s

0/100

25%

SI (Speed Index)

Value15.7 s

0/100

10%

TBT (Total Blocking Time)

Value5,330 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.863

4/100

15%

TTI (Time to Interactive)

Value28.8 s

0/100

10%

Network Requests Diagram

zzhuaer.en.alibaba.com

316 ms

zzhuaer.en.alibaba.com

789 ms

65 ms

95 ms

header.css

122 ms

Our browser made a total of 116 requests to load all elements on the main page. We found that 2% of them (2 requests) were addressed to the original Zzhuaer.en.alibaba.com, 29% (34 requests) were made to Img.alicdn.com and 28% (32 requests) were made to S.alicdn.com. The less responsive or slowest element that took the longest time to load (1.4 sec) relates to the external source Img.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 3.7 MB (60%)

Content Size

6.2 MB

After Optimization

2.5 MB

In fact, the total size of Zzhuaer.en.alibaba.com main page is 6.2 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Javascripts take 5.1 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 482.8 kB

  • Original 592.2 kB
  • After minification 588.3 kB
  • After compression 109.4 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 482.8 kB or 82% of the original size.

Image Optimization

-6%

Potential reduce by 12.9 kB

  • Original 218.0 kB
  • After minification 205.1 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. Zz Huaer En Alibaba images are well optimized though.

JavaScript Optimization

-59%

Potential reduce by 3.0 MB

  • Original 5.1 MB
  • After minification 5.1 MB
  • After compression 2.1 MB

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 3.0 MB or 59% of the original size.

CSS Optimization

-65%

Potential reduce by 212.6 kB

  • Original 326.7 kB
  • After minification 275.9 kB
  • After compression 114.1 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. Zzhuaer.en.alibaba.com needs all CSS files to be minified and compressed as it can save up to 212.6 kB or 65% of the original size.

Requests Breakdown

Number of requests can be reduced by 49 (47%)

Requests Now

105

After Optimization

56

The browser has sent 105 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zz Huaer En Alibaba. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 29 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

zzhuaer.en.alibaba.com accessibility score

43

Accessibility Issues

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

Buttons do not have an accessible name

High

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

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

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

zzhuaer.en.alibaba.com best practices score

75

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

Displays images with incorrect aspect ratio

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

zzhuaer.en.alibaba.com SEO score

79

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

High

Document doesn't have a valid hreflang

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 doesn't use legible font sizes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zzhuaer.en.alibaba.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Zzhuaer.en.alibaba.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 data is detected on the main page of Zz Huaer En Alibaba. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: