Access design.northwestern.edu. DESIGN INNOVATION - Segal Design Institute, Northwestern University

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

62/100

10%

LCP (Largest Contentful Paint)

Value24.5 s

0/100

25%

SI (Speed Index)

Value11.1 s

5/100

10%

TBT (Total Blocking Time)

Value1,570 ms

13/100

30%

CLS (Cumulative Layout Shift)

Value0.03

100/100

15%

TTI (Time to Interactive)

Value22.0 s

1/100

10%

design.northwestern.edu

73 ms

design.northwestern.edu

107 ms

slick.min.css

24 ms

slick-theme.css

48 ms

swiper.css

77 ms

Our browser made a total of 92 requests to load all elements on the main page. We found that 67% of them (62 requests) were addressed to the original Design.northwestern.edu, 18% (17 requests) were made to Common.northwestern.edu and 5% (5 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (754 ms) belongs to the original domain Design.northwestern.edu.

Content Size

8.1 MB

After Optimization

7.7 MB

In fact, the total size of Design.northwestern.edu main page is 8.1 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. Only a small number of websites need less resources to load. Images take 7.5 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 45.3 kB

Original 56.6 kB
After minification 55.5 kB
After compression 11.3 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 45.3 kB or 80% of the original size.

Image Optimization

-2%

Potential reduce by 172.6 kB

Original 7.5 MB
After minification 7.3 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. DESIGN Northwestern images are well optimized though.

JavaScript Optimization

-45%

Potential reduce by 224.2 kB

Original 497.2 kB
After minification 497.2 kB
After compression 273.0 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 224.2 kB or 45% of the original size.

CSS Optimization

-6%

Potential reduce by 6.5 kB

Original 108.3 kB
After minification 108.3 kB
After compression 101.8 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. Design.northwestern.edu has all CSS files already compressed.

Requests Now

After Optimization

The browser has sent 82 CSS, Javascripts, AJAX and image requests in order to completely render the main page of DESIGN 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 16 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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.

High

[role]s are not contained by their required parent element

High

[role] values are not valid

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

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.

High

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

Search Engine Optimization Advices

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

High

Links do not have descriptive text

High

Image elements do not have [alt] attributes

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

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/).

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 Design.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 Design.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

design.northwestern.edu

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

Report Summary

Performance

Accessibility

Best Practices

SEO

DESIGN INNOVATION - Segal Design Institute, Northwestern University

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

design.northwestern.edu

design.northwestern.edu

slick.min.css

slick-theme.css

swiper.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

design.northwestern.edu

design.northwestern.edu

slick.min.css

slick-theme.css

swiper.css

google-icons.css

styles.css

mobile-bottom-nav.css

pre-footer-styles.css

jquery-3.1.1.min.js

restive.min.js

slick.min.js

swiper.jquery.min.js

content-slider-1.1.js

homepage.js

search.js

jquery.validate-form.js

scripts.js

gtm.js

ELq71rgqAzk

northwestern.svg

arrow-down-white.svg

search.svg

arrow-down-ltpurple.svg

arrow-right-dkpurple.svg

northwestern-university.svg

pin-drop.svg

mobile-phone.svg

email.svg

social-media-icons.svg

button-play.svg

button-pause.svg

left.png

center-2018.jpg

right-2018.jpg

mindset-2018.jpg

arrow-right-yellow.svg

mindset.svg

process.jpg

process.svg

tools.jpg

tools.svg

welcoming-new-makers-to-the-corner-makery-170.jpg