Report Summary

  • 58

    Performance

    Renders faster than
    74% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

invo.northwestern.edu

Innovation and New Ventures - Northwestern University

Page Load Speed

2.2 sec in total

First Response

100 ms

Resources Loaded

1.7 sec

Page Rendered

344 ms

invo.northwestern.edu screenshot

About Website

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

Innovation and New Ventures (INVO) supports Northwestern inventors and entrepreneurs with commercializing their discoveries and technologies. This includes help disclosing inventions, applying for pat...

Visit invo.northwestern.edu

Key Findings

We analyzed Invo.northwestern.edu page load time and found that the first response time was 100 ms and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

invo.northwestern.edu performance score

58

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

52/100

10%

LCP (Largest Contentful Paint)

Value12.8 s

0/100

25%

SI (Speed Index)

Value3.8 s

83/100

10%

TBT (Total Blocking Time)

Value260 ms

83/100

30%

CLS (Cumulative Layout Shift)

Value0.028

100/100

15%

TTI (Time to Interactive)

Value8.0 s

42/100

10%

Network Requests Diagram

invo.northwestern.edu

100 ms

www.invo.northwestern.edu

923 ms

gtm.js

82 ms

styles.css

151 ms

invo.css

38 ms

Our browser made a total of 44 requests to load all elements on the main page. We found that 50% of them (22 requests) were addressed to the original Invo.northwestern.edu, 45% (20 requests) were made to Common.northwestern.edu and 2% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (923 ms) belongs to the original domain Invo.northwestern.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 182.6 kB (8%)

Content Size

2.3 MB

After Optimization

2.1 MB

In fact, the total size of Invo.northwestern.edu main page is 2.3 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. 35% of websites need less resources to load. Images take 2.1 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 45.0 kB

  • Original 55.1 kB
  • After minification 54.4 kB
  • After compression 10.1 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 45.0 kB or 82% of the original size.

Image Optimization

-5%

Potential reduce by 101.4 kB

  • Original 2.1 MB
  • After minification 2.0 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. Invo Northwestern images are well optimized though.

JavaScript Optimization

-4%

Potential reduce by 1.3 kB

  • Original 35.8 kB
  • After minification 35.8 kB
  • After compression 34.4 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

-54%

Potential reduce by 34.8 kB

  • Original 64.1 kB
  • After minification 63.9 kB
  • After compression 29.2 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. Invo.northwestern.edu needs all CSS files to be minified and compressed as it can save up to 34.8 kB or 54% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (36%)

Requests Now

36

After Optimization

23

The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Invo 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 5 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

invo.northwestern.edu accessibility score

96

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

Best Practices

invo.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

SEO Factors

invo.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 Invo.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 Invo.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

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