Tools & Wizards About Us
elsa.science screenshot

Report Summary

  • 49

    Performance

    Renders faster than
    67% of other websites

  • 97

    Accessibility

    Visual factors better than
    that of 91% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 96

    SEO

    Google-friendlier than
    90% of websites

elsa.science

Find Your Path in Life with Rheumatic diseases - Elsa

Page Load Speed

4.7 sec in total

First Response

49 ms

Resources Loaded

3.9 sec

Page Rendered

700 ms

elsa.science screenshot

About Website

Click here to check amazing Elsa content. Otherwise, check out these important facts you probably never knew about elsa.science

Educational and motivational support to improve your self-management skills – so you can live everyday to its fullest. All based on science.

Visit elsa.science

Key Findings

We analyzed Elsa.science page load time and found that the first response time was 49 ms and then it took 4.6 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

elsa.science performance score

49

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

14/100

10%

LCP (Largest Contentful Paint)

Value4.9 s

29/100

25%

SI (Speed Index)

Value4.6 s

71/100

10%

TBT (Total Blocking Time)

Value590 ms

50/100

30%

CLS (Cumulative Layout Shift)

Value0.029

100/100

15%

TTI (Time to Interactive)

Value9.6 s

29/100

10%

Network Requests Diagram

49 ms

js

88 ms

Logo_____Elsa_Science.svg

171 ms

polyfill-545db9dacbb203a0ce1e.js

11 ms

component---src-templates-page-tsx-fac57e6fd7365791c747.js

23 ms

Our browser made a total of 74 requests to load all elements on the main page. We found that 46% of them (34 requests) were addressed to the original Elsa.science, 28% (21 requests) were made to Images.ctfassets.net and 23% (17 requests) were made to Use.typekit.net. The less responsive or slowest element that took the longest time to load (3.4 sec) relates to the external source Images.ctfassets.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 622.5 kB (46%)

Content Size

1.3 MB

After Optimization

721.5 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Elsa.science main page is 1.3 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 529.4 kB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 284.8 kB

  • Original 322.1 kB
  • After minification 322.1 kB
  • After compression 37.3 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 284.8 kB or 88% of the original size.

Image Optimization

-0%

Potential reduce by 154 B

  • Original 529.4 kB
  • After minification 529.2 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. Elsa images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 337.5 kB

  • Original 492.5 kB
  • After minification 492.4 kB
  • After compression 155.0 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 337.5 kB or 69% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (16%)

Requests Now

57

After Optimization

48

  • AJAX
  • Images
  • JavaScript

The browser has sent 57 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Elsa. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

49 ms

js

js

88 ms

Logo_____Elsa_Science.svg

Logo_____Elsa_Science.svg

171 ms

polyfill-545db9dacbb203a0ce1e.js

polyfill-545db9dacbb203a0ce1e.js

11 ms

component---src-templates-page-tsx-fac57e6fd7365791c747.js

component---src-templates-page-tsx-fac57e6fd7365791c747.js

23 ms

commons-27980ad5eb9797e63cba.js

commons-27980ad5eb9797e63cba.js

40 ms

styles-08bc34de4ea872a98d93.js

styles-08bc34de4ea872a98d93.js

27 ms

app-d9966d8a47d0c614dd77.js

app-d9966d8a47d0c614dd77.js

39 ms

framework-1bcdbcdd30f43763a25c.js

framework-1bcdbcdd30f43763a25c.js

38 ms

webpack-runtime-4239340a6a3d67245e67.js

webpack-runtime-4239340a6a3d67245e67.js

25 ms

AppStore_Default_ENG.svg

AppStore_Default_ENG.svg

155 ms

PlayStore_Default_ENG.svg

PlayStore_Default_ENG.svg

113 ms

img-place3-img1-eng.png

img-place3-img1-eng.png

97 ms

img-place2-img1-eng.png

img-place2-img1-eng.png

3399 ms

img-place4-img1-eng.png

img-place4-img1-eng.png

122 ms

img-place4-img2-eng.png

img-place4-img2-eng.png

101 ms

img-place1-img1-eng.png

img-place1-img1-eng.png

261 ms

lotta.jpg.png

lotta.jpg.png

118 ms

johanna.jpg.png

johanna.jpg.png

137 ms

lisa.jpg.png

lisa.jpg.png

137 ms

cajsa.jpg.png

cajsa.jpg.png

137 ms

andreas.jpg.png

andreas.jpg.png

137 ms

goran.jpg.png

goran.jpg.png

138 ms

thomas.jpg.png

thomas.jpg.png

138 ms

rh-screening.svg

rh-screening.svg

143 ms

ReumaNL.svg

ReumaNL.svg

145 ms

LUMC.svg

LUMC.svg

148 ms

KI.svg

KI.svg

150 ms

FAU.svg

FAU.svg

155 ms

WestMidlands.svg

WestMidlands.svg

155 ms

cloud-1.svg

cloud-1.svg

93 ms

cloud-2.svg

cloud-2.svg

75 ms

road-section-top.svg

road-section-top.svg

36 ms

journey-illustration.svg

journey-illustration.svg

37 ms

road-section-ltr-1.svg

road-section-ltr-1.svg

39 ms

road-section-rtl-1.svg

road-section-rtl-1.svg

41 ms

illustration-strategy.svg

illustration-strategy.svg

133 ms

road-section-ltr-2.svg

road-section-ltr-2.svg

41 ms

illustration-chair-b.svg

illustration-chair-b.svg

42 ms

bush-2.svg

bush-2.svg

107 ms

bush-1.svg

bush-1.svg

97 ms

footer-art.svg

footer-art.svg

75 ms

ce-logo.svg

ce-logo.svg

89 ms

badge-gdpr.svg

badge-gdpr.svg

140 ms

road-section-bottom.svg

road-section-bottom.svg

87 ms

app-data.json

app-data.json

45 ms

page-data.json

page-data.json

52 ms

3128451320.json

3128451320.json

54 ms

page-data.json

page-data.json

44 ms

page-data.json

page-data.json

55 ms

page-data.json

page-data.json

45 ms

page-data.json

page-data.json

45 ms

page-data.json

page-data.json

79 ms

page-data.json

page-data.json

30 ms

page-data.json

page-data.json

32 ms

mxr7ovj.js

mxr7ovj.js

117 ms

component---src-templates-page-tsx-fac57e6fd7365791c747.js

component---src-templates-page-tsx-fac57e6fd7365791c747.js

5 ms

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32 ms

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50 ms

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49 ms

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49 ms

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47 ms

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48 ms

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50 ms

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55 ms

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49 ms

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49 ms

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50 ms

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54 ms

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50 ms

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50 ms

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51 ms

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51 ms

p.gif

p.gif

71 ms

Accessibility Review

elsa.science accessibility score

97

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

elsa.science best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

elsa.science SEO score

96

Search Engine Optimization Advices

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

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 Elsa.science 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 Elsa.science 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

elsa.science

Open Graph data is detected on the main page of Elsa. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: