Tools & Wizards About Us
shcomcel.com screenshot

Report Summary

  • 68

    Performance

    Renders faster than
    80% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

shcomcel.com

首页-上海科胜净化科技有限公司

Page Load Speed

5 sec in total

First Response

695 ms

Resources Loaded

4.1 sec

Page Rendered

165 ms

shcomcel.com screenshot

About Website

Welcome to shcomcel.com homepage info - get ready to check Shcomcel best content right away, or after learning these important things about shcomcel.com

一家专业从事电子、生物制药洁净室环境在线粒子监测系统集成与应用，及售后检测、维修校正服务一体化的高科技型公司

Visit shcomcel.com

Key Findings

We analyzed Shcomcel.com page load time and found that the first response time was 695 ms and then it took 4.3 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

shcomcel.com performance score

68

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

23/100

10%

LCP (Largest Contentful Paint)

Value4.5 s

37/100

25%

SI (Speed Index)

Value6.9 s

33/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.042

99/100

15%

TTI (Time to Interactive)

Value4.0 s

87/100

10%

Network Requests Diagram

shcomcel.com

695 ms

www.shcomcel.com

772 ms

swiper.min.css

458 ms

bootstrap.min.css

1116 ms

style.css

903 ms

Our browser made a total of 17 requests to load all elements on the main page. We found that all of those requests were addressed to Shcomcel.com and no external sources were called. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Shcomcel.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 386.5 kB (24%)

Content Size

1.6 MB

After Optimization

1.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Shcomcel.com main page is 1.6 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. 20% of websites need less resources to load. Images take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 8.9 kB

  • Original 12.3 kB
  • After minification 11.3 kB
  • After compression 3.4 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 8.9 kB or 72% of the original size.

Image Optimization

-4%

Potential reduce by 44.8 kB

  • Original 1.2 MB
  • After minification 1.1 MB

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. Shcomcel images are well optimized though.

JavaScript Optimization

-71%

Potential reduce by 178.8 kB

  • Original 252.5 kB
  • After minification 252.5 kB
  • After compression 73.7 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 178.8 kB or 71% of the original size.

CSS Optimization

-84%

Potential reduce by 154.0 kB

  • Original 183.7 kB
  • After minification 179.2 kB
  • After compression 29.7 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. Shcomcel.com needs all CSS files to be minified and compressed as it can save up to 154.0 kB or 84% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

15

After Optimization

15

  • Images
  • JavaScript
  • CSS

The browser has sent 15 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Shcomcel. According to our analytics all requests are already optimized.

Network Requests Diagram

shcomcel.com

shcomcel.com

695 ms

www.shcomcel.com

www.shcomcel.com

772 ms

swiper.min.css

swiper.min.css

458 ms

bootstrap.min.css

bootstrap.min.css

1116 ms

style.css

style.css

903 ms

jquery.min.js

jquery.min.js

1126 ms

swiper.min.js

swiper.min.js

1139 ms

bootstrap.min.js

bootstrap.min.js

713 ms

logo.png

logo.png

232 ms

icon7.png

icon7.png

235 ms

ewm.jpg

ewm.jpg

234 ms

support.svg

support.svg

232 ms

gotop.png

gotop.png

231 ms

banner1.jpg

banner1.jpg

1404 ms

banner1_min.jpg

banner1_min.jpg

1073 ms

banner1_text.png

banner1_text.png

393 ms

banner1_min_text.png

banner1_min_text.png

395 ms

Accessibility Review

shcomcel.com accessibility score

68

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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.

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

shcomcel.com 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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

shcomcel.com 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

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    ZH

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Shcomcel.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it matches the claimed language. Our system also found out that Shcomcel.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

shcomcel.com

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