Tools & Wizards About Us
cogsci.northwestern.edu screenshot

Report Summary

  • 38

    Performance

    Renders faster than
    57% of other websites

  • 97

    Accessibility

    Visual factors better than
    that of 91% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

cogsci.northwestern.edu

Cognitive Science Program - Northwestern University

Page Load Speed

1.1 sec in total

First Response

113 ms

Resources Loaded

761 ms

Page Rendered

207 ms

cogsci.northwestern.edu screenshot

About Website

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

The Cognitive Science Program at Northwestern offers an undergraduate major and minor. Explore requirements, course descriptions and opportunities to advance research surrounding human thought and beh...

Visit cogsci.northwestern.edu

Key Findings

We analyzed Cogsci.northwestern.edu page load time and found that the first response time was 113 ms and then it took 968 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

cogsci.northwestern.edu performance score

38

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

73/100

10%

LCP (Largest Contentful Paint)

Value8.5 s

2/100

25%

SI (Speed Index)

Value6.2 s

43/100

10%

TBT (Total Blocking Time)

Value910 ms

31/100

30%

CLS (Cumulative Layout Shift)

Value0.026

100/100

15%

TTI (Time to Interactive)

Value13.1 s

12/100

10%

Network Requests Diagram

cogsci.northwestern.edu

113 ms

js

81 ms

styles.css

168 ms

swiper.css

178 ms

department.css

26 ms

Our browser made a total of 38 requests to load all elements on the main page. We found that 8% of them (3 requests) were addressed to the original Cogsci.northwestern.edu, 37% (14 requests) were made to Weinberg.northwestern.edu and 29% (11 requests) were made to Platform.twitter.com. The less responsive or slowest element that took the longest time to load (219 ms) relates to the external source Common.northwestern.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 17.9 kB (5%)

Content Size

370.8 kB

After Optimization

352.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cogsci.northwestern.edu main page is 370.8 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. 50% of websites need less resources to load. Images take 277.6 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 15.3 kB

  • Original 21.2 kB
  • After minification 20.9 kB
  • After compression 5.9 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 15.3 kB or 72% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 277.6 kB
  • After minification 277.6 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. Cogsci Northwestern images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 1.2 kB

  • Original 50.3 kB
  • After minification 50.3 kB
  • After compression 49.1 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

-6%

Potential reduce by 1.3 kB

  • Original 21.7 kB
  • After minification 21.4 kB
  • After compression 20.3 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. Cogsci.northwestern.edu has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 23 (70%)

Requests Now

33

After Optimization

10

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 33 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cogsci 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 15 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

cogsci.northwestern.edu

cogsci.northwestern.edu

113 ms

js

js

81 ms

styles.css

styles.css

168 ms

swiper.css

swiper.css

178 ms

department.css

department.css

26 ms

widgets.js

widgets.js

22 ms

jquery.min.js

jquery.min.js

55 ms

scripts.js

scripts.js

111 ms

swiper.jquery.min.js

swiper.jquery.min.js

109 ms

content-slider.js

content-slider.js

108 ms

cog-sci-banner-1440x268.jpg

cog-sci-banner-1440x268.jpg

199 ms

northwestern-university.svg

northwestern-university.svg

183 ms

social-media-icons.svg

social-media-icons.svg

177 ms

northwestern-university.svg

northwestern-university.svg

22 ms

search.svg

search.svg

98 ms

arrow-down-ltpurple.svg

arrow-down-ltpurple.svg

98 ms

arrow-right-white.svg

arrow-right-white.svg

22 ms

pdf.png

pdf.png

98 ms

pin-drop.svg

pin-drop.svg

95 ms

mobile-phone.svg

mobile-phone.svg

99 ms

email.svg

email.svg

105 ms

AkkuratProBold.woff

AkkuratProBold.woff

219 ms

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

26 ms

settings

settings

122 ms

AkkuratProRegular.woff

AkkuratProRegular.woff

143 ms

Poppins-Bold.woff

Poppins-Bold.woff

179 ms

Poppins-Light.woff

Poppins-Light.woff

195 ms

print.css

print.css

12 ms

timeline.e108540dddc96e4b707f5cf259a582d7.js

timeline.e108540dddc96e4b707f5cf259a582d7.js

4 ms

nucogsci

nucogsci

62 ms

polyfills-a40ef1678bae11e696dba45124eadd70.js

polyfills-a40ef1678bae11e696dba45124eadd70.js

5 ms

runtime-b1c52fd0a13ead5fcf6b.js

runtime-b1c52fd0a13ead5fcf6b.js

54 ms

modules-96ebc7ac3ad66d681a3d.js

modules-96ebc7ac3ad66d681a3d.js

58 ms

main-babd9234dc048fb47339.js

main-babd9234dc048fb47339.js

57 ms

_app-a9c9f1a99e4414675fb1.js

_app-a9c9f1a99e4414675fb1.js

57 ms

%5BscreenName%5D-0517bdda27d5006a5a2d.js

%5BscreenName%5D-0517bdda27d5006a5a2d.js

98 ms

_buildManifest.js

_buildManifest.js

98 ms

_ssgManifest.js

_ssgManifest.js

97 ms

Accessibility Review

cogsci.northwestern.edu accessibility score

97

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

cogsci.northwestern.edu best practices score

83

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

Page has valid source maps

SEO Factors

cogsci.northwestern.edu SEO score

85

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 Cogsci.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 Cogsci.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

cogsci.northwestern.edu

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