Report Summary

  • 59

    Performance

    Renders faster than
    75% of other websites

  • 60

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 38

    Best Practices

    More advanced features
    available than in
    18% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

ymmfa.com

上海明控机电科技有限公司 - 工控人家园

Page Load Speed

30.6 sec in total

First Response

1.8 sec

Resources Loaded

28.6 sec

Page Rendered

250 ms

ymmfa.com screenshot

About Website

Welcome to ymmfa.com homepage info - get ready to check Ymmfa best content for China right away, or after learning these important things about ymmfa.com

上海明控机电科技有限公司网站,工控人家园网站,提供资料下载,推广工业自动化产品及应用,三菱工控,西门子工控,欧姆龙工控等。

Visit ymmfa.com

Key Findings

We analyzed Ymmfa.com page load time and found that the first response time was 1.8 sec and then it took 28.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.

Performance Metrics

ymmfa.com performance score

59

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

53/100

10%

LCP (Largest Contentful Paint)

Value14.5 s

0/100

25%

SI (Speed Index)

Value9.8 s

11/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.004

100/100

15%

TTI (Time to Interactive)

Value4.8 s

80/100

10%

Network Requests Diagram

ymmfa.com

1841 ms

www.ymmfa.com

3248 ms

wind.css

1366 ms

pw_ajax.js

1051 ms

Deploy.js

728 ms

Our browser made a total of 56 requests to load all elements on the main page. We found that 55% of them (31 requests) were addressed to the original Ymmfa.com, 11% (6 requests) were made to Cpro.baidustatic.com and 9% (5 requests) were made to Bdimg.share.baidu.com. The less responsive or slowest element that took the longest time to load (15.3 sec) relates to the external source T11.baidu.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 185.2 kB (61%)

Content Size

304.7 kB

After Optimization

119.4 kB

In fact, the total size of Ymmfa.com main page is 304.7 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 229.6 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 33.2 kB

  • Original 43.0 kB
  • After minification 40.9 kB
  • After compression 9.8 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 33.2 kB or 77% of the original size.

Image Optimization

-15%

Potential reduce by 2.7 kB

  • Original 18.4 kB
  • After minification 15.7 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, Ymmfa needs image optimization as it can save up to 2.7 kB or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-61%

Potential reduce by 140.5 kB

  • Original 229.6 kB
  • After minification 227.2 kB
  • After compression 89.0 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 140.5 kB or 61% of the original size.

CSS Optimization

-64%

Potential reduce by 8.8 kB

  • Original 13.7 kB
  • After minification 12.4 kB
  • After compression 4.9 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. Ymmfa.com needs all CSS files to be minified and compressed as it can save up to 8.8 kB or 64% of the original size.

Requests Breakdown

Number of requests can be reduced by 20 (38%)

Requests Now

53

After Optimization

33

The browser has sent 53 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ymmfa. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

ymmfa.com accessibility score

60

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

ymmfa.com best practices score

38

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

High

Registers an unload listener

Low

Detected JavaScript libraries

High

Uses deprecated APIs

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

ymmfa.com SEO score

67

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

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    GBK

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ymmfa.com 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 Ymmfa.com main page’s claimed encoding is gbk. 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 Ymmfa. 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: