Tools & Wizards About Us
chestnet.org screenshot

Report Summary

  • 17

    Performance

    Renders faster than
    32% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 69% of websites

  • 69

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

chestnet.org

CHEST - American College of Chest Physicians

Page Load Speed

832 ms in total

First Response

58 ms

Resources Loaded

522 ms

Page Rendered

252 ms

chestnet.org screenshot

About Website

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

The American College of Chest Physicians (CHEST) is the leading professional association in innovative chest medicine. We advance the best health outcomes for patients with lung disease through educat...

Visit chestnet.org

Key Findings

We analyzed Chestnet.org page load time and found that the first response time was 58 ms and then it took 774 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

chestnet.org performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

12/100

10%

LCP (Largest Contentful Paint)

Value8.8 s

2/100

25%

SI (Speed Index)

Value13.7 s

2/100

10%

TBT (Total Blocking Time)

Value5,940 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.022

100/100

15%

TTI (Time to Interactive)

Value38.3 s

0/100

10%

Network Requests Diagram

chestnet.org

58 ms

www.chestnet.org

176 ms

reset.css

48 ms

mobile.css

53 ms

jquery.min.js

31 ms

Our browser made a total of 25 requests to load all elements on the main page. We found that 48% of them (12 requests) were addressed to the original Chestnet.org, 12% (3 requests) were made to Google-analytics.com and 4% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (176 ms) belongs to the original domain Chestnet.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 205.7 kB (64%)

Content Size

319.2 kB

After Optimization

113.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Chestnet.org main page is 319.2 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. 25% of websites need less resources to load. Javascripts take 246.3 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 32.0 kB

  • Original 44.1 kB
  • After minification 39.6 kB
  • After compression 12.1 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 32.0 kB or 73% of the original size.

Image Optimization

-21%

Potential reduce by 3.1 kB

  • Original 14.8 kB
  • After minification 11.8 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, CHEST Net needs image optimization as it can save up to 3.1 kB or 21% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-65%

Potential reduce by 159.6 kB

  • Original 246.3 kB
  • After minification 243.6 kB
  • After compression 86.8 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 159.6 kB or 65% of the original size.

CSS Optimization

-79%

Potential reduce by 11.0 kB

  • Original 13.9 kB
  • After minification 10.3 kB
  • After compression 2.9 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. Chestnet.org needs all CSS files to be minified and compressed as it can save up to 11.0 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (57%)

Requests Now

23

After Optimization

10

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 23 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CHEST Net. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

chestnet.org

chestnet.org

58 ms

www.chestnet.org

www.chestnet.org

176 ms

reset.css

reset.css

48 ms

mobile.css

mobile.css

53 ms

jquery.min.js

jquery.min.js

31 ms

jquery-migrate-1.0.0.min.js

jquery-migrate-1.0.0.min.js

5 ms

customSelect.jquery.js

customSelect.jquery.js

44 ms

jquery.html5-placeholder-shim.js

jquery.html5-placeholder-shim.js

46 ms

accp-mobile.js

accp-mobile.js

49 ms

jquery.collapsible.min.js

jquery.collapsible.min.js

74 ms

VisitorIdentification.aspx

VisitorIdentification.aspx

124 ms

gpt.js

gpt.js

6 ms

pubads_impl_81.js

pubads_impl_81.js

10 ms

container.html

container.html

54 ms

gtm.js

gtm.js

54 ms

ads

ads

116 ms

CHESTlogo_registered.ashx

CHESTlogo_registered.ashx

54 ms

home-intro-background.png

home-intro-background.png

26 ms

footer-button.png

footer-button.png

52 ms

analytics.js

analytics.js

26 ms

iframe_api

iframe_api

49 ms

ec.js

ec.js

11 ms

collect

collect

12 ms

collect

collect

60 ms

www-widgetapi.js

www-widgetapi.js

34 ms

Accessibility Review

chestnet.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.

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

ARIA IDs are not unique

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

chestnet.org best practices score

69

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

High

Registers an unload listener

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

chestnet.org SEO score

92

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

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Chestnet.org 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 Chestnet.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

chestnet.org

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