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edf.one screenshot

Report Summary

  • 39

    Performance

    Renders faster than
    58% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 73

    SEO

    Google-friendlier than
    31% of websites

edf.one

EDF - European Dermatology Forum - European Dermatology Forum

Page Load Speed

3.7 sec in total

First Response

340 ms

Resources Loaded

3.1 sec

Page Rendered

239 ms

edf.one screenshot

About Website

Click here to check amazing EDF content. Otherwise, check out these important facts you probably never knew about edf.one

EDF - A non-profit professional organization dedicated to improve the quality of healthcare in Europe, promote the highest standard of undergraduate educational training, and to strengthen the impact ...

Visit edf.one

Key Findings

We analyzed Edf.one page load time and found that the first response time was 340 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

edf.one performance score

39

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

37/100

10%

LCP (Largest Contentful Paint)

Value3.9 s

53/100

25%

SI (Speed Index)

Value8.4 s

19/100

10%

TBT (Total Blocking Time)

Value740 ms

40/100

30%

CLS (Cumulative Layout Shift)

Value0.253

49/100

15%

TTI (Time to Interactive)

Value15.3 s

7/100

10%

Network Requests Diagram

edf.one

340 ms

www.edf.one

336 ms

819 ms

anon-cm35j8nxi0001wnjrds878wnb.css

545 ms

cl9r045qt0086w1jn81r0h0pk-edf-logo-1.svg

340 ms

Our browser made a total of 20 requests to load all elements on the main page. We found that all of those requests were addressed to Edf.one and no external sources were called. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Edf.one.

Page Optimization Overview & Recommendations

Page size can be reduced by 964.5 kB (35%)

Content Size

2.7 MB

After Optimization

1.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Edf.one main page is 2.7 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. 25% of websites need less resources to load. Javascripts take 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-93%

Potential reduce by 786.0 kB

  • Original 841.0 kB
  • After minification 818.4 kB
  • After compression 55.0 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 786.0 kB or 93% of the original size.

Image Optimization

-4%

Potential reduce by 8.2 kB

  • Original 228.6 kB
  • After minification 220.5 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. EDF images are well optimized though.

JavaScript Optimization

-11%

Potential reduce by 170.3 kB

  • Original 1.5 MB
  • After minification 1.5 MB
  • After compression 1.4 MB

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 170.3 kB or 11% of the original size.

CSS Optimization

-0%

Potential reduce by 0 B

  • Original 146.0 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.

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 EDF. According to our analytics all requests are already optimized.

Network Requests Diagram

edf.one

edf.one

340 ms

www.edf.one

www.edf.one

336 ms

819 ms

anon-cm35j8nxi0001wnjrds878wnb.css

anon-cm35j8nxi0001wnjrds878wnb.css

545 ms

cl9r045qt0086w1jn81r0h0pk-edf-logo-1.svg

cl9r045qt0086w1jn81r0h0pk-edf-logo-1.svg

340 ms

cldygvedp00138f3qfh7855ry-edf-meeting.full.jpg

cldygvedp00138f3qfh7855ry-edf-meeting.full.jpg

342 ms

cldygvs5k001q8f3qe5znpc3o-euroderm.full.jpg

cldygvs5k001q8f3qe5znpc3o-euroderm.full.jpg

342 ms

cldygwaug002d8f3qbeefng74-cyberderm.full.jpg

cldygwaug002d8f3qbeefng74-cyberderm.full.jpg

345 ms

cldygxfbw003v8f3qpne9umj6-edf-guidelines.full.jpg

cldygxfbw003v8f3qpne9umj6-edf-guidelines.full.jpg

367 ms

cl09moj8u00157cd66n1qgrnm-edf-may-2021-banner.full.jpg

cl09moj8u00157cd66n1qgrnm-edf-may-2021-banner.full.jpg

557 ms

swiss4ward-logo.png

swiss4ward-logo.png

437 ms

anon-cm35j8nxi0001wnjrds878wnb.js

anon-cm35j8nxi0001wnjrds878wnb.js

1089 ms

cl09mx6ro00e47cd6jny9dvo3-home-edf-about.full.jpg

cl09mx6ro00e47cd6jny9dvo3-home-edf-about.full.jpg

107 ms

cl3wowwtc002i90jnmlfnsm5s-guideline.full.jpg

cl3wowwtc002i90jnmlfnsm5s-guideline.full.jpg

238 ms

cl09mxx8k00fy7cd6njo1xqve-home-edf-cyberderm.full.jpg

cl09mxx8k00fy7cd6njo1xqve-home-edf-cyberderm.full.jpg

112 ms

cl3woy7h4004990jn1j9dfo2c-euro2.full.jpg

cl3woy7h4004990jn1j9dfo2c-euro2.full.jpg

230 ms

cl09myni200hr7cd6djx0q7k8-euro4.full.png

cl09myni200hr7cd6djx0q7k8-euro4.full.png

154 ms

cl3wozexr006w90jno237v889-home-edf-whitebook.full.jpg

cl3wozexr006w90jno237v889-home-edf-whitebook.full.jpg

213 ms

OpenSans-Regular.ttf

OpenSans-Regular.ttf

414 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

336 ms

Accessibility Review

edf.one 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.

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

ARIA IDs are not unique

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

High

Links do not have a discernible name

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

edf.one best practices score

83

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

Missing source maps for large first-party JavaScript

SEO Factors

edf.one SEO score

73

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

Links do not have descriptive text

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

High

robots.txt is not valid

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

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Edf.one 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 Edf.one main page’s claimed encoding is . 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

edf.one

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