Tools & Wizards About Us
emssn.com screenshot

Report Summary

  • 48

    Performance

    Renders faster than
    66% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 81

    SEO

    Google-friendlier than
    42% of websites

emssn.com

over 12 years' experience in Emergency Medical Field and Safety

Page Load Speed

8.3 sec in total

First Response

658 ms

Resources Loaded

7.5 sec

Page Rendered

154 ms

emssn.com screenshot

About Website

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

We Shanghai EMSS is professional supplier which specialize in production of Head immobilizer/Cervical collar/Splint/Spine board/Stretcher/CPR Series/First aid kit&bag/Safety Protection Series.Welcome

Visit emssn.com

Key Findings

We analyzed Emssn.com page load time and found that the first response time was 658 ms and then it took 7.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

emssn.com performance score

48

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.2 s

1/100

10%

LCP (Largest Contentful Paint)

Value7.2 s

5/100

25%

SI (Speed Index)

Value10.4 s

8/100

10%

TBT (Total Blocking Time)

Value210 ms

89/100

30%

CLS (Cumulative Layout Shift)

Value0.008

100/100

15%

TTI (Time to Interactive)

Value8.3 s

39/100

10%

Network Requests Diagram

www.emssn.com

658 ms

www.emssn.com

940 ms

jquery-1.10.1.min.js

1243 ms

common.js

1057 ms

thickbox.js

863 ms

Our browser made a total of 33 requests to load all elements on the main page. We found that 27% of them (9 requests) were addressed to the original Emssn.com, 36% (12 requests) were made to Res.diytrade.com and 6% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (2.1 sec) relates to the external source Res.diytrade.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 79.9 kB (8%)

Content Size

952.5 kB

After Optimization

872.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Emssn.com main page is 952.5 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. 30% of websites need less resources to load. Images take 845.8 kB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 9.2 kB

  • Original 13.1 kB
  • After minification 12.3 kB
  • After compression 3.9 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 9.2 kB or 70% of the original size.

Image Optimization

-7%

Potential reduce by 58.0 kB

  • Original 845.8 kB
  • After minification 787.8 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. Emssn images are well optimized though.

JavaScript Optimization

-11%

Potential reduce by 8.1 kB

  • Original 73.9 kB
  • After minification 73.9 kB
  • After compression 65.8 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 8.1 kB or 11% of the original size.

CSS Optimization

-23%

Potential reduce by 4.6 kB

  • Original 19.8 kB
  • After minification 19.8 kB
  • After compression 15.2 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. Emssn.com needs all CSS files to be minified and compressed as it can save up to 4.6 kB or 23% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (53%)

Requests Now

30

After Optimization

14

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Emssn. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.emssn.com

www.emssn.com

658 ms

www.emssn.com

www.emssn.com

940 ms

jquery-1.10.1.min.js

jquery-1.10.1.min.js

1243 ms

common.js

common.js

1057 ms

thickbox.js

thickbox.js

863 ms

thickbox.css

thickbox.css

862 ms

jquery.bxslider.css

jquery.bxslider.css

870 ms

jquery.bxslider.min.js

jquery.bxslider.min.js

1079 ms

diy-page-editor.css

diy-page-editor.css

1068 ms

common_page_css.css

common_page_css.css

1071 ms

custom_page_css.css

custom_page_css.css

455 ms

jcarousellite_1.0.1.js

jcarousellite_1.0.1.js

873 ms

browser_update.js

browser_update.js

749 ms

sdp.js

sdp.js

727 ms

sdp.js

sdp.js

721 ms

js

js

47 ms

e9f2.jpg

e9f2.jpg

97 ms

h.png

h.png

1089 ms

bj.png

bj.png

207 ms

image.gif

image.gif

210 ms

bj.jpg

bj.jpg

2054 ms

shop_cart_off-3.gif

shop_cart_off-3.gif

214 ms

Roboto-Light-webfont.woff

Roboto-Light-webfont.woff

215 ms

h.js

h.js

1064 ms

21.gif

21.gif

1660 ms

b.js

b.js

1505 ms

hm.gif

hm.gif

309 ms

520 ms

loadingAnimation.gif

loadingAnimation.gif

227 ms

js

js

42 ms

analytics.js

analytics.js

17 ms

collect

collect

27 ms

button_old_61.gif

button_old_61.gif

1023 ms

Accessibility Review

emssn.com accessibility score

76

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.

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

Form elements do not have associated labels

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

emssn.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

SEO Factors

emssn.com SEO score

81

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

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

High

Tap targets are not sized appropriately

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 Emssn.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 Emssn.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

emssn.com

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