Report Summary

  • 33

    Performance

    Renders faster than
    53% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 89% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

dukehealthimprovement.org

Duke Center For Community and Population Health Improvement - Duke Center for Community and Population Health Improvement

Page Load Speed

1.9 sec in total

First Response

164 ms

Resources Loaded

1.4 sec

Page Rendered

296 ms

dukehealthimprovement.org screenshot

About Website

Click here to check amazing Duke Health Improvement content. Otherwise, check out these important facts you probably never knew about dukehealthimprovement.org

CCPHI uses integrated health system and public data sources to inform community and population health priorities, and to serve as a platform for rigorous clinical studies and program implementation

Visit dukehealthimprovement.org

Key Findings

We analyzed Dukehealthimprovement.org page load time and found that the first response time was 164 ms and then it took 1.7 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

dukehealthimprovement.org performance score

33

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.7 s

13/100

10%

LCP (Largest Contentful Paint)

Value10.9 s

0/100

25%

SI (Speed Index)

Value5.9 s

47/100

10%

TBT (Total Blocking Time)

Value700 ms

42/100

30%

CLS (Cumulative Layout Shift)

Value0.136

80/100

15%

TTI (Time to Interactive)

Value10.4 s

24/100

10%

Network Requests Diagram

dukehealthimprovement.org

164 ms

www.dukehealthimprovement.org

167 ms

www.dukehealthimprovement.org

368 ms

sites.css

49 ms

fancybox.css

62 ms

Our browser made a total of 44 requests to load all elements on the main page. We found that 30% of them (13 requests) were addressed to the original Dukehealthimprovement.org, 30% (13 requests) were made to Cdn2.editmysite.com and 25% (11 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (498 ms) belongs to the original domain Dukehealthimprovement.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 691.8 kB (41%)

Content Size

1.7 MB

After Optimization

983.5 kB

In fact, the total size of Dukehealthimprovement.org main page is 1.7 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. Javascripts take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 49.1 kB

  • Original 60.8 kB
  • After minification 59.1 kB
  • After compression 11.7 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 49.1 kB or 81% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 306.0 kB
  • After minification 306.0 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. Duke Health Improvement images are well optimized though.

JavaScript Optimization

-51%

Potential reduce by 642.5 kB

  • Original 1.3 MB
  • After minification 1.3 MB
  • After compression 627.2 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 642.5 kB or 51% of the original size.

CSS Optimization

-0%

Potential reduce by 182 B

  • Original 38.8 kB
  • After minification 38.8 kB
  • After compression 38.6 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. Dukehealthimprovement.org has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 17 (59%)

Requests Now

29

After Optimization

12

The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Duke Health Improvement. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

dukehealthimprovement.org accessibility score

96

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.

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

dukehealthimprovement.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

SEO Factors

dukehealthimprovement.org SEO score

85

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

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 Dukehealthimprovement.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 Dukehealthimprovement.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

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