Report Summary

  • 30

    Performance

    Renders faster than
    49% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 79% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

ori.duke.edu

Office of Academic Solutions and Information Systems (OASIS) | Duke University School of Medicine

Page Load Speed

1.5 sec in total

First Response

69 ms

Resources Loaded

1.2 sec

Page Rendered

232 ms

ori.duke.edu screenshot

About Website

Click here to check amazing Ori Duke content for United States. Otherwise, check out these important facts you probably never knew about ori.duke.edu

About Us Our Mission The OASIS mission is to create and support a cohesive portfolio of technology services that purposefully and relentlessly support Duke University's research and medical educa...

Visit ori.duke.edu

Key Findings

We analyzed Ori.duke.edu page load time and found that the first response time was 69 ms and then it took 1.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

ori.duke.edu performance score

30

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.8 s

0/100

10%

LCP (Largest Contentful Paint)

Value10.6 s

0/100

25%

SI (Speed Index)

Value9.6 s

11/100

10%

TBT (Total Blocking Time)

Value770 ms

38/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value11.0 s

21/100

10%

Network Requests Diagram

ori.duke.edu

69 ms

ori.duke.edu

231 ms

css_laTFvBy3i3_34i-g1s4e9tekudsPSeRH6HOys8YB4SM.css

151 ms

css_wGL8lLq9aBb7Rnz_T8GgyQR1vz81acOQcP4wg9wwq28.css

161 ms

css_SKvabFqTVyzavb4w5l-jLFW-TGp3KbSVrSax_J8mM3Q.css

205 ms

Our browser made a total of 35 requests to load all elements on the main page. We found that 6% of them (2 requests) were addressed to the original Ori.duke.edu, 43% (15 requests) were made to Medschool.duke.edu and 17% (6 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (370 ms) relates to the external source Medschool.duke.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 524.9 kB (51%)

Content Size

1.0 MB

After Optimization

501.8 kB

In fact, the total size of Ori.duke.edu main page is 1.0 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 394.8 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 32.5 kB

  • Original 41.8 kB
  • After minification 40.5 kB
  • After compression 9.3 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 32.5 kB or 78% of the original size.

Image Optimization

-9%

Potential reduce by 33.7 kB

  • Original 394.8 kB
  • After minification 361.1 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. Ori Duke images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 193.5 kB

  • Original 287.0 kB
  • After minification 244.4 kB
  • After compression 93.5 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 193.5 kB or 67% of the original size.

CSS Optimization

-88%

Potential reduce by 265.3 kB

  • Original 303.1 kB
  • After minification 297.9 kB
  • After compression 37.8 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. Ori.duke.edu needs all CSS files to be minified and compressed as it can save up to 265.3 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (53%)

Requests Now

30

After Optimization

14

The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ori 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 11 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

ori.duke.edu accessibility score

92

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

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

ori.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

High

Page has valid source maps

SEO Factors

ori.duke.edu SEO score

93

Search Engine Optimization Advices

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 Ori.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 Ori.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

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