Report Summary

  • 35

    Performance

    Renders faster than
    56% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 70% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

hemophilia.org

National Hemophilia Foundation | For all Bleeding Disorders

Page Load Speed

1.6 sec in total

First Response

169 ms

Resources Loaded

1 sec

Page Rendered

365 ms

hemophilia.org screenshot

About Website

Click here to check amazing Hemophilia content for United States. Otherwise, check out these important facts you probably never knew about hemophilia.org

The National Hemophilia Foundation (NHF) is dedicated to finding better treatments and cures for inheritable blood disorders and to preventing the complications of these disorders through education, a...

Visit hemophilia.org

Key Findings

We analyzed Hemophilia.org page load time and found that the first response time was 169 ms and then it took 1.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

hemophilia.org performance score

35

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

59/100

10%

LCP (Largest Contentful Paint)

Value5.5 s

18/100

25%

SI (Speed Index)

Value5.1 s

62/100

10%

TBT (Total Blocking Time)

Value1,320 ms

17/100

30%

CLS (Cumulative Layout Shift)

Value0.13

81/100

15%

TTI (Time to Interactive)

Value13.3 s

12/100

10%

Network Requests Diagram

www.hemophilia.org

169 ms

css_kShW4RPmRstZ3SpIC-ZvVGNFVAi0WEMuCnI0ZkYIaFw.css

47 ms

css_IN8YVfDWledWgyZkWlG_Hxte49gwuM2VYqiZ_kds3wY.css

71 ms

css_6qyd6Zf4JTFqvqiVuAf0oD4Ks5FNM_lpfToJSAYqLYc.css

90 ms

css_N7hJga6wblffiADzr8wvMcwQxqsqT_fxaoC9xPkcvbA.css

139 ms

Our browser made a total of 68 requests to load all elements on the main page. We found that 76% of them (52 requests) were addressed to the original Hemophilia.org, 6% (4 requests) were made to Platform.twitter.com and 4% (3 requests) were made to Stepsforliving.hemophilia.org. The less responsive or slowest element that took the longest time to load (588 ms) relates to the external source Connect.facebook.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 485.3 kB (36%)

Content Size

1.3 MB

After Optimization

863.2 kB

In fact, the total size of Hemophilia.org 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. 55% of websites need less resources to load. Images take 780.9 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 94.9 kB

  • Original 114.1 kB
  • After minification 110.6 kB
  • After compression 19.1 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. 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 94.9 kB or 83% of the original size.

Image Optimization

-5%

Potential reduce by 39.3 kB

  • Original 780.9 kB
  • After minification 741.5 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. Hemophilia images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 144.0 kB

  • Original 210.9 kB
  • After minification 186.8 kB
  • After compression 67.0 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 144.0 kB or 68% of the original size.

CSS Optimization

-85%

Potential reduce by 207.1 kB

  • Original 242.7 kB
  • After minification 236.2 kB
  • After compression 35.6 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. Hemophilia.org needs all CSS files to be minified and compressed as it can save up to 207.1 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 30 (45%)

Requests Now

67

After Optimization

37

The browser has sent 67 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Hemophilia. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

hemophilia.org accessibility score

88

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

hemophilia.org 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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

hemophilia.org SEO score

79

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

High

Image elements do not have [alt] attributes

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 uses legible font sizes

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 Hemophilia.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 Hemophilia.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

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