Tools & Wizards About Us
elso.org screenshot

Report Summary

  • 30

    Performance

    Renders faster than
    50% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 86% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

elso.org

Extracorporeal Life Support Organization | ELSO | ECMO

Page Load Speed

4.2 sec in total

First Response

135 ms

Resources Loaded

3.7 sec

Page Rendered

376 ms

elso.org screenshot

About Website

Welcome to elso.org homepage info - get ready to check ELSO best content for Switzerland right away, or after learning these important things about elso.org

ELSO’s primary mission is to maintain the largest registry of active ELSO centers that use extracorporeal membrane oxygenation (ECMO).

Visit elso.org

Key Findings

We analyzed Elso.org page load time and found that the first response time was 135 ms and then it took 4 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

elso.org performance score

30

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

60/100

10%

LCP (Largest Contentful Paint)

Value4.7 s

32/100

25%

SI (Speed Index)

Value10.2 s

8/100

10%

TBT (Total Blocking Time)

Value11,110 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value25.0 s

0/100

10%

Network Requests Diagram

elso.org

135 ms

elso.org

490 ms

3bb154d9e9188257b7047c02199ba920.22.css

39 ms

12a634d0c2537d78f83b389cfbeb68c9.22.js

30 ms

js

64 ms

Our browser made a total of 132 requests to load all elements on the main page. We found that 51% of them (67 requests) were addressed to the original Elso.org, 27% (35 requests) were made to Static.xx.fbcdn.net and 8% (11 requests) were made to Platform.twitter.com. The less responsive or slowest element that took the longest time to load (1.8 sec) relates to the external source Syndication.twitter.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 210.9 kB (14%)

Content Size

1.5 MB

After Optimization

1.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Elso.org main page is 1.5 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. 70% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 80.1 kB

  • Original 107.2 kB
  • After minification 90.5 kB
  • After compression 27.1 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 16.6 kB, which is 16% 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 80.1 kB or 75% of the original size.

Image Optimization

-9%

Potential reduce by 106.7 kB

  • Original 1.3 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. ELSO images are well optimized though.

JavaScript Optimization

-14%

Potential reduce by 18.9 kB

  • Original 138.7 kB
  • After minification 138.4 kB
  • After compression 119.8 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 18.9 kB or 14% of the original size.

CSS Optimization

-12%

Potential reduce by 5.2 kB

  • Original 44.6 kB
  • After minification 44.4 kB
  • After compression 39.4 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. Elso.org needs all CSS files to be minified and compressed as it can save up to 5.2 kB or 12% of the original size.

Requests Breakdown

Number of requests can be reduced by 56 (61%)

Requests Now

92

After Optimization

36

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 92 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ELSO. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 36 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

elso.org

elso.org

135 ms

elso.org

elso.org

490 ms

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30 ms

js

js

64 ms

StandardMenu.css

StandardMenu.css

157 ms

WebResource.axd

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156 ms

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177 ms

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bootstrap.min.css

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213 ms

bootstrap-theme.min.css

bootstrap-theme.min.css

212 ms

CustomSkin.css

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font-awesome.min.css

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stickyHeaderJs.js

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widgets.js

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logo.png

logo.png

448 ms

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457 ms

ELSO_2023_WA__.png

ELSO_2023_WA__.png

479 ms

AnnualReport2023Front.jpg

AnnualReport2023Front.jpg

502 ms

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582 ms

progressbar.gif

progressbar.gif

602 ms

firstBox.jpg

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633 ms

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660 ms

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webresource.axd

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standardmenu.css

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509 ms

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719 ms

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492 ms

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highslide.css

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396 ms

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359 ms

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348 ms

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323 ms

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247 ms

logo.png

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elso_website_concepts_igd_annual_conference_box.jpg

232 ms

linkedin-circle-no-bg.png

linkedin-circle-no-bg.png

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elso_2023_wa__.png

elso_2023_wa__.png

210 ms

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200 ms

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118 ms

progressbar.gif

progressbar.gif

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thirdbox.jpg

76 ms

firstbox.jpg

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82 ms

progressbar.gif

progressbar.gif

74 ms

secondbox.jpg

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52 ms

StandardMenu.js

StandardMenu.js

145 ms

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10 ms

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148 ms

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197 ms

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ga.js

31 ms

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Lato-Bold.ttf

157 ms

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409 ms

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14 ms

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174 ms

app.js

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76 ms

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widget_iframe.2f70fb173b9000da126c79afe2098f02.html

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

21 ms

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settings

100 ms

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timeline.e108540dddc96e4b707f5cf259a582d7.js

timeline.e108540dddc96e4b707f5cf259a582d7.js

2 ms

ELSOOrg

ELSOOrg

1772 ms

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1f1e6_1f1fa.png

1f1e6_1f1fa.png

53 ms

1f513.png

1f513.png

54 ms

1f3af.png

1f3af.png

55 ms

rounded-white.png

rounded-white.png

161 ms

zoomout.cur

zoomout.cur

155 ms

loader.white.gif

loader.white.gif

11 ms

zoomout.cur

zoomout.cur

46 ms

rounded-white.png

rounded-white.png

20 ms

polyfills-a40ef1678bae11e696dba45124eadd70.js

polyfills-a40ef1678bae11e696dba45124eadd70.js

7 ms

runtime-b1c52fd0a13ead5fcf6b.js

runtime-b1c52fd0a13ead5fcf6b.js

10 ms

modules-96ebc7ac3ad66d681a3d.js

modules-96ebc7ac3ad66d681a3d.js

11 ms

main-babd9234dc048fb47339.js

main-babd9234dc048fb47339.js

8 ms

_app-a9c9f1a99e4414675fb1.js

_app-a9c9f1a99e4414675fb1.js

9 ms

%5BscreenName%5D-0517bdda27d5006a5a2d.js

%5BscreenName%5D-0517bdda27d5006a5a2d.js

10 ms

_buildManifest.js

_buildManifest.js

11 ms

_ssgManifest.js

_ssgManifest.js

11 ms

Accessibility Review

elso.org accessibility score

95

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

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

High

Links do not have a discernible name

Best Practices

elso.org best practices score

67

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

elso.org SEO score

69

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

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 Elso.org 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 Elso.org 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

elso.org

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