Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 82% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 84

    SEO

    Google-friendlier than
    53% of websites

ibdcenter.uchicago.edu

Inflammatory Bowel Disease | Chicago IBD Center - UChicago Medicine

Page Load Speed

8.3 sec in total

First Response

85 ms

Resources Loaded

7.5 sec

Page Rendered

685 ms

ibdcenter.uchicago.edu screenshot

About Website

Welcome to ibdcenter.uchicago.edu homepage info - get ready to check IBD Center UChicago best content for United States right away, or after learning these important things about ibdcenter.uchicago.edu

The University of Chicago Medicine's world-renowned IBD Center integrates the latest IBD research into treatment. Tailoring treatment to work best for each patient.

Visit ibdcenter.uchicago.edu

Key Findings

We analyzed Ibdcenter.uchicago.edu page load time and found that the first response time was 85 ms and then it took 8.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

ibdcenter.uchicago.edu performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

19/100

10%

LCP (Largest Contentful Paint)

Value18.9 s

0/100

25%

SI (Speed Index)

Value9.3 s

12/100

10%

TBT (Total Blocking Time)

Value2,710 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.157

74/100

15%

TTI (Time to Interactive)

Value18.8 s

3/100

10%

Network Requests Diagram

ibdcenter.uchicago.edu

85 ms

inflammatory-bowel-disease

415 ms

gtm.js

137 ms

main-styles.css

49 ms

fonts.css

382 ms

Our browser made a total of 52 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Ibdcenter.uchicago.edu, 37% (19 requests) were made to Uchicagomedicine.org and 13% (7 requests) were made to Cdn.cookielaw.org. The less responsive or slowest element that took the longest time to load (5 sec) relates to the external source S126746124.t.eloqua.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 213.8 kB (16%)

Content Size

1.4 MB

After Optimization

1.2 MB

In fact, the total size of Ibdcenter.uchicago.edu main page is 1.4 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. 70% of websites need less resources to load. Images take 833.2 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 209.3 kB

  • Original 250.1 kB
  • After minification 206.7 kB
  • After compression 40.8 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. This page needs HTML code to be minified as it can gain 43.4 kB, which is 17% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 209.3 kB or 84% of the original size.

Image Optimization

-0%

Potential reduce by 2.9 kB

  • Original 833.2 kB
  • After minification 830.3 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. IBD Center UChicago images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 763 B

  • Original 54.0 kB
  • After minification 54.0 kB
  • After compression 53.3 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

-0%

Potential reduce by 811 B

  • Original 231.1 kB
  • After minification 231.1 kB
  • After compression 230.3 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. Ibdcenter.uchicago.edu has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 22 (52%)

Requests Now

42

After Optimization

20

The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of IBD Center UChicago. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

ibdcenter.uchicago.edu accessibility score

93

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-*] attributes are not valid or misspelled

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

ibdcenter.uchicago.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

Missing source maps for large first-party JavaScript

SEO Factors

ibdcenter.uchicago.edu SEO score

84

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

High

Tap targets are not sized appropriately

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 Ibdcenter.uchicago.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 Ibdcenter.uchicago.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 data is detected on the main page of IBD Center UChicago. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: