Tools & Wizards About Us
radiology.northwestern.edu screenshot

Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 72% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

radiology.northwestern.edu

Home: Department of Radiology: Feinberg School of Medicine

Page Load Speed

1.1 sec in total

First Response

237 ms

Resources Loaded

722 ms

Page Rendered

138 ms

radiology.northwestern.edu screenshot

About Website

Click here to check amazing Radiology Northwestern content for United States. Otherwise, check out these important facts you probably never knew about radiology.northwestern.edu

Explore the Department of Radiology at Northwestern University Feinberg School of Medicine: Meet our faculty, browse our training programs and catch up on our latest research.

Visit radiology.northwestern.edu

Key Findings

We analyzed Radiology.northwestern.edu page load time and found that the first response time was 237 ms and then it took 860 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

radiology.northwestern.edu performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

27/100

10%

LCP (Largest Contentful Paint)

Value9.6 s

0/100

25%

SI (Speed Index)

Value23.0 s

0/100

10%

TBT (Total Blocking Time)

Value38,770 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value50.4 s

0/100

10%

Network Requests Diagram

radiology.northwestern.edu

237 ms

NM-dept-responsive.css

260 ms

font-awesome.min.css

7 ms

rwd-nm.css

76 ms

jquery.min.js

13 ms

Our browser made a total of 26 requests to load all elements on the main page. We found that 23% of them (6 requests) were addressed to the original Radiology.northwestern.edu, 35% (9 requests) were made to Deptcommon.fsm.northwestern.edu and 12% (3 requests) were made to Feinberg.northwestern.edu. The less responsive or slowest element that took the longest time to load (298 ms) relates to the external source Deptcommon.fsm.northwestern.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 158.9 kB (64%)

Content Size

250.1 kB

After Optimization

91.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Radiology.northwestern.edu main page is 250.1 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. 25% of websites need less resources to load. Javascripts take 122.6 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 17.9 kB

  • Original 23.2 kB
  • After minification 22.5 kB
  • After compression 5.3 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 17.9 kB or 77% of the original size.

Image Optimization

-1%

Potential reduce by 251 B

  • Original 25.4 kB
  • After minification 25.1 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. Radiology Northwestern images are well optimized though.

JavaScript Optimization

-63%

Potential reduce by 77.6 kB

  • Original 122.6 kB
  • After minification 122.6 kB
  • After compression 45.0 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 77.6 kB or 63% of the original size.

CSS Optimization

-80%

Potential reduce by 63.1 kB

  • Original 78.9 kB
  • After minification 78.1 kB
  • After compression 15.8 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. Radiology.northwestern.edu needs all CSS files to be minified and compressed as it can save up to 63.1 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (42%)

Requests Now

24

After Optimization

14

  • Images
  • JavaScript
  • CSS

The browser has sent 24 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Radiology Northwestern. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

radiology.northwestern.edu

radiology.northwestern.edu

237 ms

NM-dept-responsive.css

NM-dept-responsive.css

260 ms

font-awesome.min.css

font-awesome.min.css

7 ms

rwd-nm.css

rwd-nm.css

76 ms

jquery.min.js

jquery.min.js

13 ms

respond.min.js

respond.min.js

204 ms

NM.js

NM.js

256 ms

jquery.flexslider-min.js

jquery.flexslider-min.js

298 ms

silver-bg-vertical.jpg

silver-bg-vertical.jpg

79 ms

analytics.js

analytics.js

27 ms

research-slider3.png

research-slider3.png

88 ms

Northwestern_horizontal_white-trimmed.svg

Northwestern_horizontal_white-trimmed.svg

64 ms

NM-Logo-Stacked-RGB.svg

NM-Logo-Stacked-RGB.svg

69 ms

NM-FSM-sprite.png

NM-FSM-sprite.png

190 ms

search-icon.png

search-icon.png

86 ms

sidebar-arrow-down-gray.gif

sidebar-arrow-down-gray.gif

86 ms

education-slider3.png

education-slider3.png

158 ms

russell.jpg

russell.jpg

155 ms

radiology-panels-sprite-180.png

radiology-panels-sprite-180.png

188 ms

collect

collect

14 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

6 ms

9885.js

9885.js

19 ms

s

s

58 ms

bullets.png

bullets.png

56 ms

bg_direction_nav.png

bg_direction_nav.png

55 ms

u

u

37 ms

Accessibility Review

radiology.northwestern.edu accessibility score

89

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.

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

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

High

Links do not have a discernible name

Best Practices

radiology.northwestern.edu best practices score

75

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

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

radiology.northwestern.edu SEO score

100

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Radiology.northwestern.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 Radiology.northwestern.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

radiology.northwestern.edu

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