Tools & Wizards About Us
childrenscardiology.org screenshot

Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 86% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

childrenscardiology.org

Children's Cardiology

Page Load Speed

5.7 sec in total

First Response

158 ms

Resources Loaded

4.1 sec

Page Rendered

1.4 sec

childrenscardiology.org screenshot

About Website

Click here to check amazing Children S Cardiology content. Otherwise, check out these important facts you probably never knew about childrenscardiology.org

Visit childrenscardiology.org

Key Findings

We analyzed Childrenscardiology.org page load time and found that the first response time was 158 ms and then it took 5.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

childrenscardiology.org performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

18/100

10%

LCP (Largest Contentful Paint)

Value11.3 s

0/100

25%

SI (Speed Index)

Value16.9 s

0/100

10%

TBT (Total Blocking Time)

Value2,620 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value0.031

100/100

15%

TTI (Time to Interactive)

Value27.0 s

0/100

10%

Network Requests Diagram

childrenscardiology.org

158 ms

childrenscardiology.org

1490 ms

css

36 ms

custom-frontend.min.css

109 ms

post-4259.css

160 ms

Our browser made a total of 239 requests to load all elements on the main page. We found that 76% of them (182 requests) were addressed to the original Childrenscardiology.org, 11% (26 requests) were made to Fonts.gstatic.com and 8% (20 requests) were made to Reviews.rater8.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Childrenscardiology.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 417.9 kB (8%)

Content Size

5.4 MB

After Optimization

5.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Childrenscardiology.org main page is 5.4 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. Only a small number of websites need less resources to load. Images take 3.8 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 266.3 kB

  • Original 311.7 kB
  • After minification 288.7 kB
  • After compression 45.4 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 266.3 kB or 85% of the original size.

Image Optimization

-3%

Potential reduce by 128.7 kB

  • Original 3.8 MB
  • After minification 3.6 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. Children S Cardiology images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 12.9 kB

  • Original 976.8 kB
  • After minification 976.8 kB
  • After compression 963.9 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

-3%

Potential reduce by 9.9 kB

  • Original 329.0 kB
  • After minification 329.0 kB
  • After compression 319.1 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. Childrenscardiology.org has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 142 (69%)

Requests Now

205

After Optimization

63

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 205 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Children S Cardiology. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 90 to 1 for JavaScripts and from 54 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

childrenscardiology.org

childrenscardiology.org

158 ms

childrenscardiology.org

childrenscardiology.org

1490 ms

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36 ms

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Accessibility Review

childrenscardiology.org accessibility score

95

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

Links do not have a discernible name

Best Practices

childrenscardiology.org best practices score

83

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

Page has valid source maps

SEO Factors

childrenscardiology.org SEO score

86

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

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 Childrenscardiology.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 Childrenscardiology.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

childrenscardiology.org

Open Graph description is not detected on the main page of Children S Cardiology. 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: