2 sec in total
56 ms
1.2 sec
828 ms
Welcome to academics.duke.edu homepage info - get ready to check Academics Duke best content for United States right away, or after learning these important things about academics.duke.edu
Visit academics.duke.eduWe analyzed Academics.duke.edu page load time and found that the first response time was 56 ms and then it took 2 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.
academics.duke.edu performance score
name
value
score
weighting
Value3.4 s
39/100
10%
Value10.9 s
0/100
25%
Value5.5 s
55/100
10%
Value150 ms
95/100
30%
Value0.067
97/100
15%
Value9.0 s
33/100
10%
56 ms
39 ms
164 ms
62 ms
169 ms
Our browser made a total of 41 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Academics.duke.edu, 63% (26 requests) were made to Duke.edu and 12% (5 requests) were made to I1.ytimg.com. The less responsive or slowest element that took the longest time to load (895 ms) relates to the external source Scontent.cdninstagram.com.
Page size can be reduced by 447.6 kB (26%)
1.7 MB
1.2 MB
In fact, the total size of Academics.duke.edu 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. 45% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.
Potential reduce by 90.4 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 90.4 kB or 80% of the original size.
Potential reduce by 55.8 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. Academics Duke images are well optimized though.
Potential reduce by 217.3 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 217.3 kB or 71% of the original size.
Potential reduce by 84.0 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. Academics.duke.edu needs all CSS files to be minified and compressed as it can save up to 84.0 kB or 55% of the original size.
We found no issues to fix!
36
36
The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Academics Duke. According to our analytics all requests are already optimized.
academics.duke.edu
56 ms
duke.edu
39 ms
duke.edu
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duke.js
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mqdefault.jpg
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alert.html
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mqdefault.jpg
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logo-bg.png
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dukelogo_white.svg
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quad-20160301103623.jpg
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duketoday-logo.svg
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westcampusabelequad600.jpg
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robots-jobs.jpg
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duke-in-durham-20151009113357-r-q100-m1444405517.png
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dukelogo_gray.svg
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analytics.js
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humanities.books.jpg
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innovation.jpg
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visit.jpg
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duke.css
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fonts.woff.css
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GeAi3EAFXDPgXB4gl9sTxo3cIKINAPUfNB0AAVKpwccAAA==
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PM2oAAVKpwdgAAA==
3 ms
academics.duke.edu accessibility score
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
Links do not have a discernible name
academics.duke.edu best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Missing source maps for large first-party JavaScript
academics.duke.edu SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
Document uses legible font sizes
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Academics.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 Academics.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.
academics.duke.edu
Open Graph description is not detected on the main page of Academics 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: