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aboutctx.com screenshot

Report Summary

  • 80

    Performance

    Renders faster than
    86% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 67% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 87

    SEO

    Google-friendlier than
    65% of websites

aboutctx.com

Learn more about CTX | About CTX

Page Load Speed

303 ms in total

First Response

34 ms

Resources Loaded

147 ms

Page Rendered

122 ms

aboutctx.com screenshot

About Website

Visit aboutctx.com now to see the best up-to-date About CTX content and also check out these interesting facts you probably never knew about aboutctx.com

What is CTX? Cerebrotendinous xanthomatosis is a genetic disorder, if untreated can harm child development. Learn more about CTX symptoms, and treatment options.

Visit aboutctx.com

Key Findings

We analyzed Aboutctx.com page load time and found that the first response time was 34 ms and then it took 269 ms to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

aboutctx.com performance score

80

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

51/100

10%

LCP (Largest Contentful Paint)

Value2.9 s

79/100

25%

SI (Speed Index)

Value3.4 s

90/100

10%

TBT (Total Blocking Time)

Value230 ms

86/100

30%

CLS (Cumulative Layout Shift)

Value0.054

98/100

15%

TTI (Time to Interactive)

Value7.0 s

53/100

10%

Network Requests Diagram

aboutctx.com

34 ms

www.aboutctx.com

39 ms

analytics.js

5 ms

semantic.css

17 ms

landing.css

2 ms

Our browser made a total of 15 requests to load all elements on the main page. We found that 87% of them (13 requests) were addressed to the original Aboutctx.com, 13% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (39 ms) belongs to the original domain Aboutctx.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 710.5 kB (83%)

Content Size

856.6 kB

After Optimization

146.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Aboutctx.com main page is 856.6 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. 50% of websites need less resources to load. Javascripts take 479.4 kB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 5.1 kB

  • Original 7.3 kB
  • After minification 6.0 kB
  • After compression 2.2 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 1.4 kB, which is 19% 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 5.1 kB or 70% of the original size.

Image Optimization

-16%

Potential reduce by 3.9 kB

  • Original 24.3 kB
  • After minification 20.3 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. Obviously, About CTX needs image optimization as it can save up to 3.9 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-82%

Potential reduce by 393.8 kB

  • Original 479.4 kB
  • After minification 317.2 kB
  • After compression 85.6 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 393.8 kB or 82% of the original size.

CSS Optimization

-89%

Potential reduce by 307.7 kB

  • Original 345.7 kB
  • After minification 245.4 kB
  • After compression 37.9 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. Aboutctx.com needs all CSS files to be minified and compressed as it can save up to 307.7 kB or 89% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (31%)

Requests Now

13

After Optimization

9

  • Images
  • JavaScript
  • CSS

The browser has sent 13 CSS, Javascripts, AJAX and image requests in order to completely render the main page of About CTX. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

aboutctx.com

aboutctx.com

34 ms

www.aboutctx.com

www.aboutctx.com

39 ms

analytics.js

analytics.js

5 ms

semantic.css

semantic.css

17 ms

landing.css

landing.css

2 ms

jquery.js

jquery.js

15 ms

semantic.js

semantic.js

39 ms

landing.js

landing.js

5 ms

common.js

common.js

2 ms

collect

collect

39 ms

main_logo.png

main_logo.png

2 ms

healthcare.png

healthcare.png

1 ms

patient.png

patient.png

3 ms

retrophin_logo.png

retrophin_logo.png

3 ms

icons.svg

icons.svg

4 ms

Accessibility Review

aboutctx.com accessibility score

87

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.

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

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

aboutctx.com 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

Page has valid source maps

SEO Factors

aboutctx.com SEO score

87

Search Engine Optimization Advices

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Aboutctx.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Aboutctx.com 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

aboutctx.com

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