Tools & Wizards About Us
duke.net screenshot

Report Summary

  • 83

    Performance

    Renders faster than
    88% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

duke.net

Page Load Speed

4.3 sec in total

First Response

1.7 sec

Resources Loaded

2.4 sec

Page Rendered

158 ms

duke.net screenshot

About Website

Visit duke.net now to see the best up-to-date Duke content and also check out these interesting facts you probably never knew about duke.net

Visit duke.net

Key Findings

We analyzed Duke.net page load time and found that the first response time was 1.7 sec and then it took 2.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

duke.net performance score

83

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

67/100

10%

LCP (Largest Contentful Paint)

Value3.4 s

66/100

25%

SI (Speed Index)

Value5.8 s

49/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.004

100/100

15%

TTI (Time to Interactive)

Value3.1 s

95/100

10%

Network Requests Diagram

duke.net

1695 ms

style.css

82 ms

dkblue.css

77 ms

jquery-1.2.6.min.js

137 ms

jquery.flow.1.0.js

105 ms

Our browser made a total of 18 requests to load all elements on the main page. We found that 89% of them (16 requests) were addressed to the original Duke.net, 11% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Duke.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 125.6 kB (33%)

Content Size

382.8 kB

After Optimization

257.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Duke.net main page is 382.8 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. 15% of websites need less resources to load. Images take 273.9 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 10.0 kB

  • Original 12.0 kB
  • After minification 7.5 kB
  • After compression 2.0 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 4.5 kB, which is 37% 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 10.0 kB or 83% of the original size.

Image Optimization

-21%

Potential reduce by 56.9 kB

  • Original 273.9 kB
  • After minification 216.9 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, Duke needs image optimization as it can save up to 56.9 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

-55%

Potential reduce by 41.5 kB

  • Original 76.0 kB
  • After minification 75.1 kB
  • After compression 34.4 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 41.5 kB or 55% of the original size.

CSS Optimization

-82%

Potential reduce by 17.2 kB

  • Original 21.0 kB
  • After minification 16.4 kB
  • After compression 3.8 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. Duke.net needs all CSS files to be minified and compressed as it can save up to 17.2 kB or 82% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

16

After Optimization

16

  • Images
  • JavaScript
  • CSS

The browser has sent 16 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Duke. According to our analytics all requests are already optimized.

Network Requests Diagram

duke.net

duke.net

1695 ms

style.css

style.css

82 ms

dkblue.css

dkblue.css

77 ms

jquery-1.2.6.min.js

jquery-1.2.6.min.js

137 ms

jquery.flow.1.0.js

jquery.flow.1.0.js

105 ms

ga.js

ga.js

30 ms

head_bg.jpg

head_bg.jpg

102 ms

header.jpg

header.jpg

229 ms

logo.png

logo.png

154 ms

nav_left.png

nav_left.png

176 ms

nav_center.png

nav_center.png

207 ms

nav_hover2.png

nav_hover2.png

213 ms

nav_right.png

nav_right.png

241 ms

slider-01.jpg

slider-01.jpg

391 ms

Bluelight

Bluelight

245 ms

go-button.jpg

go-button.jpg

289 ms

vert_separator2.gif

vert_separator2.gif

305 ms

__utm.gif

__utm.gif

12 ms

Accessibility Review

duke.net accessibility score

100

Accessibility Issues

Best Practices

duke.net best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

duke.net SEO score

92

Search Engine Optimization Advices

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

    N/A

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Duke.net can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Duke.net 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

duke.net

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