Report Summary

  • 55

    Performance

    Renders faster than
    72% of other websites

  • 45

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 89

    SEO

    Google-friendlier than
    66% of websites

dupuytren-online.info

Dupuytren's Contracture - Non-profit information and support

Page Load Speed

3.6 sec in total

First Response

350 ms

Resources Loaded

3.1 sec

Page Rendered

228 ms

dupuytren-online.info screenshot

About Website

Welcome to dupuytren-online.info homepage info - get ready to check Dupuytren Online best content for United States right away, or after learning these important things about dupuytren-online.info

Dupuytrens contracture and Ledderhose disease. Independent site with forum: surgery, needle aponeurotomy, collagenase and radiotherapy.

Visit dupuytren-online.info

Key Findings

We analyzed Dupuytren-online.info page load time and found that the first response time was 350 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

dupuytren-online.info performance score

55

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

26/100

10%

LCP (Largest Contentful Paint)

Value4.6 s

35/100

25%

SI (Speed Index)

Value5.7 s

52/100

10%

TBT (Total Blocking Time)

Value450 ms

62/100

30%

CLS (Cumulative Layout Shift)

Value0.088

93/100

15%

TTI (Time to Interactive)

Value6.6 s

58/100

10%

Network Requests Diagram

dupuytren-online.info

350 ms

dupuytren-online.info

433 ms

www.dupuytren-online.info

542 ms

css

31 ms

css

47 ms

Our browser made a total of 33 requests to load all elements on the main page. We found that 82% of them (27 requests) were addressed to the original Dupuytren-online.info, 12% (4 requests) were made to Fonts.gstatic.com and 6% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Dupuytren-online.info.

Page Optimization Overview & Recommendations

Page size can be reduced by 135.7 kB (25%)

Content Size

534.4 kB

After Optimization

398.7 kB

In fact, the total size of Dupuytren-online.info main page is 534.4 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. Javascripts take 280.9 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 28.2 kB

  • Original 35.4 kB
  • After minification 30.2 kB
  • After compression 7.2 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 5.2 kB, which is 15% 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 28.2 kB or 80% of the original size.

Image Optimization

-6%

Potential reduce by 4.3 kB

  • Original 73.7 kB
  • After minification 69.4 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. Dupuytren Online images are well optimized though.

JavaScript Optimization

-18%

Potential reduce by 49.3 kB

  • Original 280.9 kB
  • After minification 280.9 kB
  • After compression 231.6 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 49.3 kB or 18% of the original size.

CSS Optimization

-37%

Potential reduce by 53.9 kB

  • Original 144.4 kB
  • After minification 143.2 kB
  • After compression 90.6 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. Dupuytren-online.info needs all CSS files to be minified and compressed as it can save up to 53.9 kB or 37% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (26%)

Requests Now

23

After Optimization

17

The browser has sent 23 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dupuytren Online. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

dupuytren-online.info accessibility score

45

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.

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

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

dupuytren-online.info 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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

dupuytren-online.info SEO score

89

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

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

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 Dupuytren-online.info 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 Dupuytren-online.info 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

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