Report Summary

  • 57

    Performance

    Renders faster than
    73% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

ipr.northwestern.edu

Institute for Policy Research - Northwestern University

Page Load Speed

1.7 sec in total

First Response

110 ms

Resources Loaded

1.1 sec

Page Rendered

481 ms

ipr.northwestern.edu screenshot

About Website

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

The Institute for Policy Research (IPR) is an interdisciplinary public policy research institute founded in 1968 at Northwestern University. Our mission is to stimulate and support excellent social sc...

Visit ipr.northwestern.edu

Key Findings

We analyzed Ipr.northwestern.edu page load time and found that the first response time was 110 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

ipr.northwestern.edu performance score

57

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

26/100

10%

LCP (Largest Contentful Paint)

Value6.7 s

7/100

25%

SI (Speed Index)

Value5.2 s

60/100

10%

TBT (Total Blocking Time)

Value190 ms

90/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value7.6 s

46/100

10%

Network Requests Diagram

ipr.northwestern.edu

110 ms

www.ipr.northwestern.edu

192 ms

js

74 ms

styles.css

184 ms

ipr.css

34 ms

Our browser made a total of 49 requests to load all elements on the main page. We found that 47% of them (23 requests) were addressed to the original Ipr.northwestern.edu, 49% (24 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 (509 ms) belongs to the original domain Ipr.northwestern.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 42.2 kB (4%)

Content Size

976.8 kB

After Optimization

934.5 kB

In fact, the total size of Ipr.northwestern.edu main page is 976.8 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. 45% of websites need less resources to load. Images take 873.7 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 28.8 kB

  • Original 36.9 kB
  • After minification 36.2 kB
  • After compression 8.2 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 28.8 kB or 78% of the original size.

Image Optimization

-1%

Potential reduce by 11.9 kB

  • Original 873.7 kB
  • After minification 861.8 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. Ipr Northwestern images are well optimized though.

JavaScript Optimization

-4%

Potential reduce by 1.3 kB

  • Original 36.4 kB
  • After minification 36.4 kB
  • After compression 35.0 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. This website has mostly compressed JavaScripts.

CSS Optimization

-1%

Potential reduce by 219 B

  • Original 29.7 kB
  • After minification 29.7 kB
  • After compression 29.5 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. Ipr.northwestern.edu has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 16 (40%)

Requests Now

40

After Optimization

24

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ipr 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 4 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

ipr.northwestern.edu accessibility score

98

Accessibility Issues

ARIA

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.

Impact

Issue

High

[aria-hidden="true"] elements contain focusable descendents

Best Practices

ipr.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

ipr.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 Ipr.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 Ipr.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 Ipr 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: