Tools & Wizards About Us
northwestern.edu screenshot

Report Summary

  • 51

    Performance

    Renders faster than
    69% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

northwestern.edu

Northwestern University

Page Load Speed

1.7 sec in total

First Response

116 ms

Resources Loaded

1.1 sec

Page Rendered

515 ms

northwestern.edu screenshot

About Website

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

Northwestern is one of the country’s leading private research and teaching universities, located in Evanston, IL. Our highly collaborative environment provides our diverse students and faculty with ex...

Visit northwestern.edu

Key Findings

We analyzed Northwestern.edu page load time and found that the first response time was 116 ms and then it took 1.6 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.

Performance Metrics

northwestern.edu performance score

51

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

51/100

10%

LCP (Largest Contentful Paint)

Value14.1 s

0/100

25%

SI (Speed Index)

Value5.7 s

52/100

10%

TBT (Total Blocking Time)

Value320 ms

77/100

30%

CLS (Cumulative Layout Shift)

Value0.019

100/100

15%

TTI (Time to Interactive)

Value10.4 s

24/100

10%

Network Requests Diagram

northwestern.edu

116 ms

www.northwestern.edu

166 ms

js

59 ms

styles.css

194 ms

northwestern.svg

190 ms

Our browser made a total of 47 requests to load all elements on the main page. We found that 40% of them (19 requests) were addressed to the original Northwestern.edu, 51% (24 requests) were made to Common.northwestern.edu and 4% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (572 ms) belongs to the original domain Northwestern.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 175.6 kB (7%)

Content Size

2.4 MB

After Optimization

2.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Northwestern.edu main page is 2.4 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 2.2 MB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 26.5 kB

  • Original 35.3 kB
  • After minification 35.2 kB
  • After compression 8.7 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 26.5 kB or 75% of the original size.

Image Optimization

-1%

Potential reduce by 32.2 kB

  • Original 2.2 MB
  • After minification 2.2 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. Northwestern images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 755 B

  • Original 32.8 kB
  • After minification 32.8 kB
  • After compression 32.1 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

-84%

Potential reduce by 116.1 kB

  • Original 137.8 kB
  • After minification 137.3 kB
  • After compression 21.8 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. Northwestern.edu needs all CSS files to be minified and compressed as it can save up to 116.1 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (36%)

Requests Now

39

After Optimization

25

  • Images
  • JavaScript
  • CSS

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 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

northwestern.edu

northwestern.edu

116 ms

www.northwestern.edu

www.northwestern.edu

166 ms

js

js

59 ms

styles.css

styles.css

194 ms

northwestern.svg

northwestern.svg

190 ms

jquery.min.js

jquery.min.js

22 ms

scripts.js

scripts.js

227 ms

analytics.js

analytics.js

30 ms

siteanalyze_55710.js

siteanalyze_55710.js

37 ms

our-people.jpg

our-people.jpg

87 ms

our-places.jpg

our-places.jpg

131 ms

our-events.jpg

our-events.jpg

157 ms

trumans255.jpg

trumans255.jpg

180 ms

firefly255.jpg

firefly255.jpg

180 ms

bright255.jpg

bright255.jpg

237 ms

diversity2.jpg

diversity2.jpg

130 ms

collaboration.jpg

collaboration.jpg

170 ms

global-engagement.jpg

global-engagement.jpg

178 ms

research.jpg

research.jpg

307 ms

arts-circle.jpg

arts-circle.jpg

307 ms

innovation1.jpg

innovation1.jpg

307 ms

athletics.jpg

athletics.jpg

315 ms

video.jpg

video.jpg

314 ms

northwestern-university.svg

northwestern-university.svg

233 ms

js

js

104 ms

penguins1440.jpg

penguins1440.jpg

572 ms

arch5321.jpg

arch5321.jpg

333 ms

arrow-down-gold.svg

arrow-down-gold.svg

92 ms

search.svg

search.svg

90 ms

arrow-down-ltpurple.svg

arrow-down-ltpurple.svg

87 ms

external-link-top-nav.png

external-link-top-nav.png

93 ms

ribbon-bg.jpg

ribbon-bg.jpg

188 ms

arrow-right-white.svg

arrow-right-white.svg

189 ms

bullet.png

bullet.png

188 ms

pin-drop.svg

pin-drop.svg

187 ms

mobile-phone.svg

mobile-phone.svg

189 ms

social-media-icons.png

social-media-icons.png

239 ms

AkkuratProBold.woff

AkkuratProBold.woff

231 ms

grey-slash.svg

grey-slash.svg

203 ms

slashes-white-bg.gif

slashes-white-bg.gif

215 ms

arrow-right-dkpurple.svg

arrow-right-dkpurple.svg

201 ms

AkkuratProRegular.woff

AkkuratProRegular.woff

99 ms

Poppins-Bold.woff

Poppins-Bold.woff

104 ms

Poppins-ExtraBold.woff

Poppins-ExtraBold.woff

104 ms

Poppins-ExtraLight.woff

Poppins-ExtraLight.woff

140 ms

Poppins-Light.woff

Poppins-Light.woff

104 ms

print.css

print.css

30 ms

Accessibility Review

northwestern.edu accessibility score

98

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.

Best Practices

northwestern.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

SEO Factors

northwestern.edu SEO score

86

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

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 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 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

northwestern.edu

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