Tools & Wizards About Us
thalassemia.org screenshot

Report Summary

  • 41

    Performance

    Renders faster than
    60% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

thalassemia.org

The Cooley's Anemia Foundation - Leading the fight against thalassemia

Page Load Speed

4.2 sec in total

First Response

136 ms

Resources Loaded

3.2 sec

Page Rendered

865 ms

thalassemia.org screenshot

About Website

Welcome to thalassemia.org homepage info - get ready to check Thalassemia best content for United States right away, or after learning these important things about thalassemia.org

The Cooley's Anemia Foundation is dedicated to serving people afflicted with various forms of thalassemia, most notably the major form of this genetic blood disease, Cooley's anemia/thalasse...

Visit thalassemia.org

Key Findings

We analyzed Thalassemia.org page load time and found that the first response time was 136 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

thalassemia.org performance score

41

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

14/100

10%

LCP (Largest Contentful Paint)

Value9.5 s

0/100

25%

SI (Speed Index)

Value9.4 s

12/100

10%

TBT (Total Blocking Time)

Value350 ms

73/100

30%

CLS (Cumulative Layout Shift)

Value0.109

87/100

15%

TTI (Time to Interactive)

Value9.1 s

33/100

10%

Network Requests Diagram

thalassemia.org

136 ms

thalassemia.org

2224 ms

www.thalassemia.org

136 ms

1721834668-css67f6113c6c58d3f82e0426ab5714d32eb108f9c02d398c0d9c03b9c4659b4.css

27 ms

1721834668-csse4ad5333dc182367c01ba375c0b19125eabc7b75dc9e6f40c752739be2138.css

171 ms

Our browser made a total of 45 requests to load all elements on the main page. We found that 82% of them (37 requests) were addressed to the original Thalassemia.org, 7% (3 requests) were made to I0.wp.com and 4% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (2.2 sec) belongs to the original domain Thalassemia.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 80.8 kB (4%)

Content Size

1.8 MB

After Optimization

1.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Thalassemia.org main page is 1.8 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. 50% of websites need less resources to load. Images take 1.6 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 64.2 kB

  • Original 79.0 kB
  • After minification 78.9 kB
  • After compression 14.8 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 64.2 kB or 81% of the original size.

Image Optimization

-1%

Potential reduce by 10.4 kB

  • Original 1.6 MB
  • After minification 1.6 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. Thalassemia images are well optimized though.

JavaScript Optimization

-6%

Potential reduce by 3.9 kB

  • Original 69.6 kB
  • After minification 68.8 kB
  • After compression 65.7 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. This website has mostly compressed JavaScripts.

CSS Optimization

-4%

Potential reduce by 2.4 kB

  • Original 67.2 kB
  • After minification 67.2 kB
  • After compression 64.9 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. Thalassemia.org has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 19 (45%)

Requests Now

42

After Optimization

23

  • Images
  • JavaScript
  • CSS

The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Thalassemia. 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 from 11 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

thalassemia.org

thalassemia.org

136 ms

thalassemia.org

thalassemia.org

2224 ms

www.thalassemia.org

www.thalassemia.org

136 ms

1721834668-css67f6113c6c58d3f82e0426ab5714d32eb108f9c02d398c0d9c03b9c4659b4.css

1721834668-css67f6113c6c58d3f82e0426ab5714d32eb108f9c02d398c0d9c03b9c4659b4.css

27 ms

1721834668-csse4ad5333dc182367c01ba375c0b19125eabc7b75dc9e6f40c752739be2138.css

1721834668-csse4ad5333dc182367c01ba375c0b19125eabc7b75dc9e6f40c752739be2138.css

171 ms

1721834668-cssa10cc6322cbce4eced25ed380a51c978918e878c501926c7aec10f44fec87.css

1721834668-cssa10cc6322cbce4eced25ed380a51c978918e878c501926c7aec10f44fec87.css

290 ms

1721834668-cssb36ce44988021e5016b2e2abf50bdcd05599ccab90bdca6bdb2a5350a4011.css

1721834668-cssb36ce44988021e5016b2e2abf50bdcd05599ccab90bdca6bdb2a5350a4011.css

80 ms

1721834668-css23755f4de22aa7c58f8aaa751aa653105333c9c248436b0e0a410a3f482d3.css

1721834668-css23755f4de22aa7c58f8aaa751aa653105333c9c248436b0e0a410a3f482d3.css

47 ms

1721834668-css568a92aa84b0131ed59215c300ae5ee3d9005fd22b9a06a05fcd23d286929.css

1721834668-css568a92aa84b0131ed59215c300ae5ee3d9005fd22b9a06a05fcd23d286929.css

164 ms

1721834668-cssd34ae9069421c8227d1309dd565b9e900ec55f4ae7de477073bb98b6e03d9.css

1721834668-cssd34ae9069421c8227d1309dd565b9e900ec55f4ae7de477073bb98b6e03d9.css

43 ms

1721834668-css4a11d6f1e3e21391a4dac8ba09f7de3d470311071b33b679a6208813d4215.css

1721834668-css4a11d6f1e3e21391a4dac8ba09f7de3d470311071b33b679a6208813d4215.css

63 ms

1721834668-css12799083a4063e88cf6c6d24a4bf7724c08f1b0c74e9139a9fb97fe891044.css

1721834668-css12799083a4063e88cf6c6d24a4bf7724c08f1b0c74e9139a9fb97fe891044.css

73 ms

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1721834668-cssbc8c8a5cc392028941f808a423c233ae543722fa3408c722e9e4cd61499b2.css

88 ms

js

js

107 ms

1721834668-css4037518272eccbeae38a0a6ccb9603000b08a0e3c67ca183557872982b746.css

1721834668-css4037518272eccbeae38a0a6ccb9603000b08a0e3c67ca183557872982b746.css

100 ms

badge_toprated.js

badge_toprated.js

28 ms

1721834668-jsd3fac88cce63037fe9ee39915bb9b6bd650d829a9039203d790e101b79b7d6.js

1721834668-jsd3fac88cce63037fe9ee39915bb9b6bd650d829a9039203d790e101b79b7d6.js

105 ms

slick.min.js

slick.min.js

137 ms

jquery.cookie.js

jquery.cookie.js

138 ms

modernizr.js

modernizr.js

137 ms

foundation.min.js

foundation.min.js

139 ms

jquery.big-slide.js

jquery.big-slide.js

146 ms

e-202434.js

e-202434.js

23 ms

gtm.js

gtm.js

129 ms

Copy-of-Why-your-support-is-literally-our-lifeblood-10.jpg

Copy-of-Why-your-support-is-literally-our-lifeblood-10.jpg

223 ms

2023-top-rated-awards-badge-embed.png

2023-top-rated-awards-badge-embed.png

251 ms

research-image.png

research-image.png

185 ms

cooleys-anemia-logo.png

cooleys-anemia-logo.png

184 ms

banner.jpg

banner.jpg

183 ms

gximage2.png

gximage2.png

183 ms

banner8.jpg

banner8.jpg

184 ms

banner8-mobile.jpg

banner8-mobile.jpg

182 ms

cooleys-footer-logo.png

cooleys-footer-logo.png

217 ms

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Jump-Rope-A-Thon_0029-edit11.jpg

315 ms

Julia-Tang_0026edit5.jpg

Julia-Tang_0026edit5.jpg

217 ms

Robert-Mannino_0035-LR52-2.jpg

Robert-Mannino_0035-LR52-2.jpg

290 ms

AAWeb2b.jpg

AAWeb2b.jpg

308 ms

patient-thalassemia.png

patient-thalassemia.png

216 ms

thalassemia-trait.png

thalassemia-trait.png

247 ms

thalassemia-donor.png

thalassemia-donor.png

247 ms

thalassemia-doctor.png

thalassemia-doctor.png

246 ms

thalassemia-caf.png

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273 ms

thalassemia-info.png

thalassemia-info.png

338 ms

Copy-of-Why-your-support-is-literally-our-lifeblood-14.jpg

Copy-of-Why-your-support-is-literally-our-lifeblood-14.jpg

214 ms

Copy-of-Why-your-support-is-literally-our-lifeblood-8.jpg

Copy-of-Why-your-support-is-literally-our-lifeblood-8.jpg

246 ms

Accessibility Review

thalassemia.org accessibility score

72

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

thalassemia.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

thalassemia.org SEO score

77

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

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 Thalassemia.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 Thalassemia.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

thalassemia.org

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