Tools & Wizards About Us
deckard.mc.duke.edu screenshot

Report Summary

  • 55

    Performance

    Renders faster than
    72% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

deckard.mc.duke.edu

Center for Virtual Imaging Trials | A National Center for Biomedical Imaging and Bioengineering

Page Load Speed

2.2 sec in total

First Response

139 ms

Resources Loaded

1.6 sec

Page Rendered

458 ms

deckard.mc.duke.edu screenshot

About Website

Welcome to deckard.mc.duke.edu homepage info - get ready to check Deckard Mc Duke best content for United States right away, or after learning these important things about deckard.mc.duke.edu

CVIT is a National Center for Biomedical Imaging and Bioengineering supported by the National Institute of Biomedical Imaging and Bioengineering (NIBIB) and operated at Duke University.

Visit deckard.mc.duke.edu

Key Findings

We analyzed Deckard.mc.duke.edu page load time and found that the first response time was 139 ms and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

deckard.mc.duke.edu performance score

55

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

43/100

10%

LCP (Largest Contentful Paint)

Value10.6 s

0/100

25%

SI (Speed Index)

Value7.0 s

32/100

10%

TBT (Total Blocking Time)

Value110 ms

97/100

30%

CLS (Cumulative Layout Shift)

Value0.029

100/100

15%

TTI (Time to Interactive)

Value9.2 s

32/100

10%

Network Requests Diagram

deckard.mc.duke.edu

139 ms

cvit.duke.edu

850 ms

main.min.css

47 ms

css

34 ms

duke-alertbar-public.css

49 ms

Our browser made a total of 78 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Deckard.mc.duke.edu, 58% (45 requests) were made to Cvit.duke.edu and 15% (12 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (850 ms) relates to the external source Cvit.duke.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 357.4 kB (16%)

Content Size

2.2 MB

After Optimization

1.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Deckard.mc.duke.edu main page is 2.2 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. 60% of websites need less resources to load. Images take 1.8 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 181.7 kB

  • Original 216.6 kB
  • After minification 211.3 kB
  • After compression 34.9 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 181.7 kB or 84% of the original size.

Image Optimization

-10%

Potential reduce by 174.1 kB

  • Original 1.8 MB
  • After minification 1.6 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. Deckard Mc Duke images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 794 B

  • Original 123.3 kB
  • After minification 123.2 kB
  • After compression 122.5 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

-1%

Potential reduce by 726 B

  • Original 74.1 kB
  • After minification 74.0 kB
  • After compression 73.4 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. Deckard.mc.duke.edu has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 31 (48%)

Requests Now

64

After Optimization

33

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 64 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Deckard Mc Duke. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 17 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

deckard.mc.duke.edu

deckard.mc.duke.edu

139 ms

cvit.duke.edu

cvit.duke.edu

850 ms

main.min.css

main.min.css

47 ms

css

css

34 ms

duke-alertbar-public.css

duke-alertbar-public.css

49 ms

alert.css

alert.css

161 ms

screen.min.css

screen.min.css

54 ms

elementor-icons.min.css

elementor-icons.min.css

80 ms

frontend-lite.min.css

frontend-lite.min.css

102 ms

swiper.min.css

swiper.min.css

80 ms

post-39.css

post-39.css

95 ms

all.min.css

all.min.css

81 ms

v4-shims.min.css

v4-shims.min.css

84 ms

post-8.css

post-8.css

121 ms

addtoany.min.css

addtoany.min.css

108 ms

css

css

48 ms

page.js

page.js

42 ms

jquery.min.js

jquery.min.js

126 ms

jquery-migrate.min.js

jquery-migrate.min.js

108 ms

addtoany.min.js

addtoany.min.js

118 ms

duke-alertbar-public.js

duke-alertbar-public.js

124 ms

v4-shims.min.js

v4-shims.min.js

125 ms

inter.css

inter.css

59 ms

alert.html

alert.html

216 ms

public.css

public.css

123 ms

all.min.css

all.min.css

139 ms

frontend.min.js

frontend.min.js

141 ms

front.min.js

front.min.js

145 ms

obfx-grid.js

obfx-grid.js

148 ms

webpack.runtime.min.js

webpack.runtime.min.js

145 ms

frontend-modules.min.js

frontend-modules.min.js

147 ms

waypoints.min.js

waypoints.min.js

234 ms

core.min.js

core.min.js

233 ms

frontend.min.js

frontend.min.js

234 ms

gtm.js

gtm.js

132 ms

Transparent_Button-Overlay_custom.png

Transparent_Button-Overlay_custom.png

307 ms

Three-Dots.png

Three-Dots.png

292 ms

Square-CVIT.png

Square-CVIT.png

332 ms

Square-Research.png

Square-Research.png

326 ms

Square-Resources.png

Square-Resources.png

320 ms

Square-Opportunities.png

Square-Opportunities.png

332 ms

Duke_Radiology-1-1024x205.png

Duke_Radiology-1-1024x205.png

349 ms

duke-medical.png

duke-medical.png

350 ms

Duke-Pratt-Logo-RGB-Horizontal-White-1024x131.png

Duke-Pratt-Logo-RGB-Horizontal-White-1024x131.png

377 ms

CIPG_logo_white.png

CIPG_logo_white.png

366 ms

nibib.png

nibib.png

387 ms

cvit-logo-trpnt-150x68.png

cvit-logo-trpnt-150x68.png

93 ms

cvit-lab.jpg

cvit-lab.jpg

208 ms

TRD-1-3-Hero-V4.png

TRD-1-3-Hero-V4.png

301 ms

nih-logo-300x300-1.png

nih-logo-300x300-1.png

268 ms

AM2024BannerMobile.png

AM2024BannerMobile.png

170 ms

GUIscreen6-1-150x150.png

GUIscreen6-1-150x150.png

92 ms

transmorph-150x150.jpg

transmorph-150x150.jpg

190 ms

Picture_Tomo_Setup-150x150.png

Picture_Tomo_Setup-150x150.png

190 ms

challenge_phantoms-150x150.jpg

challenge_phantoms-150x150.jpg

229 ms

spie_logo_ish.png

spie_logo_ish.png

320 ms

IMG_20240212_155549_141_crop.jpg

IMG_20240212_155549_141_crop.jpg

255 ms

Background-Dots-Color-scaled.jpg

Background-Dots-Color-scaled.jpg

421 ms

software-4-300x300.jpg

software-4-300x300.jpg

276 ms

data-300x300.jpg

data-300x300.jpg

339 ms

software-300x300.jpg

software-300x300.jpg

320 ms

hero-image-300x124.jpg

hero-image-300x124.jpg

332 ms

software-3.jpg

software-3.jpg

341 ms

duke-logo.svg

duke-logo.svg

343 ms

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91 ms

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142 ms

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191 ms

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192 ms

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191 ms

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191 ms

sm.25.html

sm.25.html

107 ms

eso.D0Uc7kY6.js

eso.D0Uc7kY6.js

124 ms

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103 ms

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114 ms

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114 ms

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113 ms

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115 ms

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114 ms

Accessibility Review

deckard.mc.duke.edu accessibility score

93

Accessibility Issues

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

Best Practices

deckard.mc.duke.edu best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

deckard.mc.duke.edu 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

High

Tap targets are not sized appropriately

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 Deckard.mc.duke.edu 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 Deckard.mc.duke.edu 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

deckard.mc.duke.edu

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