Tools & Wizards About Us
nucats.northwestern.edu screenshot

Report Summary

  • 37

    Performance

    Renders faster than
    56% of other websites

  • 99

    Accessibility

    Visual factors better than
    that of 96% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

nucats.northwestern.edu

Home: Northwestern University Clinical & Translational Sciences Institute: Feinberg School of Medicine

Page Load Speed

1.5 sec in total

First Response

65 ms

Resources Loaded

994 ms

Page Rendered

467 ms

nucats.northwestern.edu screenshot

About Website

Welcome to nucats.northwestern.edu homepage info - get ready to check Nucats Northwestern best content for United States right away, or after learning these important things about nucats.northwestern.edu

Explore the resources available through Northwestern University Clinical & Translational Sciences Institute at Feinberg School of Medicine.

Visit nucats.northwestern.edu

Key Findings

We analyzed Nucats.northwestern.edu page load time and found that the first response time was 65 ms and then it took 1.5 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

nucats.northwestern.edu performance score

37

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

34/100

10%

LCP (Largest Contentful Paint)

Value9.6 s

0/100

25%

SI (Speed Index)

Value3.9 s

82/100

10%

TBT (Total Blocking Time)

Value990 ms

28/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value10.4 s

24/100

10%

Network Requests Diagram

nucats.northwestern.edu

65 ms

nucats.northwestern.edu

103 ms

www.nucats.northwestern.edu

202 ms

bootstrap.min.css

71 ms

all.css

87 ms

Our browser made a total of 48 requests to load all elements on the main page. We found that 33% of them (16 requests) were addressed to the original Nucats.northwestern.edu, 13% (6 requests) were made to Deptcommon.fsm.northwestern.edu and 13% (6 requests) were made to Medtargetsystem.com. The less responsive or slowest element that took the longest time to load (309 ms) belongs to the original domain Nucats.northwestern.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 100.3 kB (8%)

Content Size

1.3 MB

After Optimization

1.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Nucats.northwestern.edu main page is 1.3 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. 50% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 40.7 kB

  • Original 49.7 kB
  • After minification 40.4 kB
  • After compression 9.0 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 9.3 kB, which is 19% 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 40.7 kB or 82% of the original size.

Image Optimization

-2%

Potential reduce by 24.5 kB

  • Original 1.1 MB
  • After minification 1.0 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. Nucats Northwestern images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 2.5 kB

  • Original 110.1 kB
  • After minification 109.4 kB
  • After compression 107.7 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

-61%

Potential reduce by 32.7 kB

  • Original 53.7 kB
  • After minification 52.8 kB
  • After compression 21.0 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. Nucats.northwestern.edu needs all CSS files to be minified and compressed as it can save up to 32.7 kB or 61% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (42%)

Requests Now

38

After Optimization

22

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nucats 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 12 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

nucats.northwestern.edu

nucats.northwestern.edu

65 ms

nucats.northwestern.edu

nucats.northwestern.edu

103 ms

www.nucats.northwestern.edu

www.nucats.northwestern.edu

202 ms

bootstrap.min.css

bootstrap.min.css

71 ms

all.css

all.css

87 ms

css

css

71 ms

css

css

92 ms

landing-page.css

landing-page.css

133 ms

v4.0.css

v4.0.css

83 ms

js

js

114 ms

siteanalyze_16505.js

siteanalyze_16505.js

72 ms

jquery-3.4.1.min.js

jquery-3.4.1.min.js

59 ms

popper.min.js

popper.min.js

70 ms

bootstrap.min.js

bootstrap.min.js

56 ms

slick.min.js

slick.min.js

60 ms

common.js

common.js

159 ms

slick-home.js

slick-home.js

162 ms

beacon.js

beacon.js

79 ms

gtm.js

gtm.js

75 ms

ppe-lab-work-1440-400.jpg

ppe-lab-work-1440-400.jpg

228 ms

Ward-150x150.png

Ward-150x150.png

274 ms

podcast-icon.svg

podcast-icon.svg

257 ms

Feinberg-linear-white-240.svg

Feinberg-linear-white-240.svg

85 ms

pip-gradient-segment-purple.svg

pip-gradient-segment-purple.svg

81 ms

Northwestern_horizontal_white-trimmed.svg

Northwestern_horizontal_white-trimmed.svg

81 ms

brain-scans-550-310.jpg

brain-scans-550-310.jpg

224 ms

test-tubes-1440-400-background.jpg

test-tubes-1440-400-background.jpg

309 ms

laila-gharzai.jpg

laila-gharzai.jpg

296 ms

friedewald.jpg

friedewald.jpg

282 ms

holmes-360jpg.jpg

holmes-360jpg.jpg

296 ms

faceted-bg-hero.jpg

faceted-bg-hero.jpg

245 ms

logos-NU.svg

logos-NU.svg

249 ms

logos-NMHC.svg

logos-NMHC.svg

284 ms

logos-lurie-childrens.svg

logos-lurie-childrens.svg

282 ms

logos-Feinberg.svg

logos-Feinberg.svg

298 ms

logos-sra-lab.svg

logos-sra-lab.svg

296 ms

123 ms

6xK3dSBYKcSV-LCoeQqfX1RYOo3qOK7g.ttf

6xK3dSBYKcSV-LCoeQqfX1RYOo3qOK7g.ttf

49 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf

51 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVc.ttf

56 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVc.ttf

79 ms

fa-solid-900.woff

fa-solid-900.woff

46 ms

fa-regular-400.woff

fa-regular-400.woff

46 ms

fa-brands-400.woff

fa-brands-400.woff

56 ms

signal.js

signal.js

7 ms

fp.js

fp.js

24 ms

_itu.png

_itu.png

37 ms

78 ms

Accessibility Review

nucats.northwestern.edu accessibility score

99

Accessibility Issues

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

nucats.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

nucats.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 Nucats.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 Nucats.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

nucats.northwestern.edu

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