Tools & Wizards About Us
rare-cancer.org screenshot

Report Summary

  • 89

    Performance

    Renders faster than
    90% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 60% of websites

  • 69

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

rare-cancer.org

Rare Cancer : Rare Cancers

Page Load Speed

773 ms in total

First Response

223 ms

Resources Loaded

423 ms

Page Rendered

127 ms

rare-cancer.org screenshot

About Website

Welcome to rare-cancer.org homepage info - get ready to check Rare Cancer best content right away, or after learning these important things about rare-cancer.org

Comprehensive information and support for Rare Adult Cancer patients and Pediatric Cancer patients.

Visit rare-cancer.org

Key Findings

We analyzed Rare-cancer.org page load time and found that the first response time was 223 ms and then it took 550 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

rare-cancer.org performance score

89

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

79/100

10%

LCP (Largest Contentful Paint)

Value3.1 s

77/100

25%

SI (Speed Index)

Value2.6 s

97/100

10%

TBT (Total Blocking Time)

Value170 ms

93/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.1 s

95/100

10%

Network Requests Diagram

rare-cancer.org

223 ms

main.css

66 ms

addthis_widget.js

9 ms

logo.gif

136 ms

boost

14 ms

Our browser made a total of 8 requests to load all elements on the main page. We found that 50% of them (4 requests) were addressed to the original Rare-cancer.org, 25% (2 requests) were made to S7.addthis.com and 25% (2 requests) were made to M.addthis.com. The less responsive or slowest element that took the longest time to load (223 ms) belongs to the original domain Rare-cancer.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 299.0 kB (66%)

Content Size

451.7 kB

After Optimization

152.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Rare-cancer.org main page is 451.7 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. 15% of websites need less resources to load. Javascripts take 378.3 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 52.0 kB

  • Original 70.8 kB
  • After minification 68.9 kB
  • After compression 18.9 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 52.0 kB or 73% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 188 B
  • After minification 188 B

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. Rare Cancer images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 245.3 kB

  • Original 378.3 kB
  • After minification 378.3 kB
  • After compression 133.0 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 245.3 kB or 65% of the original size.

CSS Optimization

-74%

Potential reduce by 1.7 kB

  • Original 2.4 kB
  • After minification 1.9 kB
  • After compression 621 B

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. Rare-cancer.org needs all CSS files to be minified and compressed as it can save up to 1.7 kB or 74% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

7

After Optimization

7

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 7 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rare Cancer. According to our analytics all requests are already optimized.

Network Requests Diagram

rare-cancer.org

rare-cancer.org

223 ms

main.css

main.css

66 ms

addthis_widget.js

addthis_widget.js

9 ms

logo.gif

logo.gif

136 ms

boost

boost

14 ms

300lo.json

300lo.json

44 ms

open.png

open.png

66 ms

sh.07f0d9bf220d07a763adad1e.html

sh.07f0d9bf220d07a763adad1e.html

33 ms

Accessibility Review

rare-cancer.org accessibility score

85

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

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Best Practices

rare-cancer.org best practices score

69

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

High

Registers an unload listener

SEO Factors

rare-cancer.org SEO score

77

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    GL

  • Encoding

    WINDOWS-1252

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rare-cancer.org can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed Galician language. Our system also found out that Rare-cancer.org main page’s claimed encoding is windows-1252. 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

rare-cancer.org

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