Tools & Wizards About Us

Report Summary

  • 57

    Performance

    Renders faster than
    73% of other websites

  • 40

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 50

    SEO

    Google-friendlier than
    18% of websites

zygfw.com

Products Shop Platform of Shanghai Automation Instrumentation Co., Ltd.

Page Load Speed

13.6 sec in total

First Response

945 ms

Resources Loaded

12.5 sec

Page Rendered

153 ms

About Website

Click here to check amazing Zygfw content. Otherwise, check out these important facts you probably never knew about zygfw.com

Products shopping platform of Shanghai Automation Instrumentation Co.,Ltd..Most detailed information bank of Shanghai Automation Instrument products On-line.Sell more than 20 main type,150 series and ...

Visit zygfw.com

Key Findings

We analyzed Zygfw.com page load time and found that the first response time was 945 ms and then it took 12.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

zygfw.com performance score

57

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

23/100

10%

LCP (Largest Contentful Paint)

Value8.4 s

2/100

25%

SI (Speed Index)

Value8.8 s

16/100

10%

TBT (Total Blocking Time)

Value100 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.3 s

84/100

10%

Network Requests Diagram

zygfw.com

945 ms

main.css

275 ms

top.css

521 ms

MSClass.js

522 ms

adv.js

525 ms

Our browser made a total of 69 requests to load all elements on the main page. We found that 90% of them (62 requests) were addressed to the original Zygfw.com, 4% (3 requests) were made to Hm.baidu.com and 1% (1 request) were made to Js.users.51.la. The less responsive or slowest element that took the longest time to load (5.9 sec) relates to the external source Hm.baidu.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 106.3 kB (47%)

Content Size

227.1 kB

After Optimization

120.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zygfw.com main page is 227.1 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 25% of websites need less resources to load. Javascripts take 108.1 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 39.5 kB

  • Original 46.6 kB
  • After minification 40.3 kB
  • After compression 7.1 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. This page needs HTML code to be minified as it can gain 6.2 kB, which is 13% 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 39.5 kB or 85% of the original size.

Image Optimization

-1%

Potential reduce by 805 B

  • Original 69.4 kB
  • After minification 68.6 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. Zygfw images are well optimized though.

JavaScript Optimization

-60%

Potential reduce by 64.8 kB

  • Original 108.1 kB
  • After minification 108.1 kB
  • After compression 43.3 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 64.8 kB or 60% of the original size.

CSS Optimization

-39%

Potential reduce by 1.2 kB

  • Original 3.1 kB
  • After minification 3.1 kB
  • After compression 1.9 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. Zygfw.com needs all CSS files to be minified and compressed as it can save up to 1.2 kB or 39% of the original size.

Requests Breakdown

Number of requests can be reduced by 21 (32%)

Requests Now

66

After Optimization

45

  • Images
  • JavaScript
  • CSS

The browser has sent 66 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zygfw. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

zygfw.com accessibility score

40

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

<input type="image"> elements do not have [alt] text

High

Form elements do not have associated labels

High

Links do not have a discernible name

High

<object> elements do not have alternate text

Best Practices

zygfw.com 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

zygfw.com 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

High

Document uses plugins

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    GB2312

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zygfw.com can be misinterpreted by Google and other search engines. Our service has detected that English 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 Zygfw.com main page’s claimed encoding is gb2312. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

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