Tools & Wizards About Us
obook.uchicago.edu screenshot

Report Summary

  • 39

    Performance

    Renders faster than
    58% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

obook.uchicago.edu

Welcome, Class of 2028 | The College | The University of Chicago | The University of Chicago

Page Load Speed

1.7 sec in total

First Response

48 ms

Resources Loaded

1.2 sec

Page Rendered

376 ms

obook.uchicago.edu screenshot

About Website

Visit obook.uchicago.edu now to see the best up-to-date Obook U Chicago content for United States and also check out these interesting facts you probably never knew about obook.uchicago.edu

Congratulations on your admission to UChicago. We are excited to welcome you as a new member of our community. College Orientation begins the summer before you arrive through Online Orientation and co...

Visit obook.uchicago.edu

Key Findings

We analyzed Obook.uchicago.edu page load time and found that the first response time was 48 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

obook.uchicago.edu performance score

39

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

19/100

10%

LCP (Largest Contentful Paint)

Value6.5 s

9/100

25%

SI (Speed Index)

Value4.4 s

75/100

10%

TBT (Total Blocking Time)

Value850 ms

34/100

30%

CLS (Cumulative Layout Shift)

Value0.004

100/100

15%

TTI (Time to Interactive)

Value10.8 s

21/100

10%

Network Requests Diagram

obook.uchicago.edu

48 ms

obook.uchicago.edu

26 ms

orientation

48 ms

orientation

19 ms

google_tag.script.js

9 ms

Our browser made a total of 28 requests to load all elements on the main page. We found that 7% of them (2 requests) were addressed to the original Obook.uchicago.edu, 43% (12 requests) were made to and 39% (11 requests) were made to College.uchicago.edu. The less responsive or slowest element that took the longest time to load (659 ms) relates to the external source D3qi0qp55mx5f5.cloudfront.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 306.2 kB (25%)

Content Size

1.2 MB

After Optimization

912.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Obook.uchicago.edu main page is 1.2 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. 55% of websites need less resources to load. Images take 529.1 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 62.3 kB

  • Original 83.1 kB
  • After minification 80.7 kB
  • After compression 20.8 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. 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 62.3 kB or 75% of the original size.

Image Optimization

-2%

Potential reduce by 12.0 kB

  • Original 529.1 kB
  • After minification 517.1 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. Obook U Chicago images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 220.0 kB

  • Original 327.9 kB
  • After minification 327.9 kB
  • After compression 107.9 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 220.0 kB or 67% of the original size.

CSS Optimization

-4%

Potential reduce by 11.9 kB

  • Original 278.6 kB
  • After minification 278.6 kB
  • After compression 266.7 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. Obook.uchicago.edu has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 3 (27%)

Requests Now

11

After Optimization

8

  • Images
  • JavaScript
  • CSS

The browser has sent 11 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Obook U Chicago. 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.

Network Requests Diagram

obook.uchicago.edu

obook.uchicago.edu

48 ms

obook.uchicago.edu

obook.uchicago.edu

26 ms

orientation

orientation

48 ms

orientation

orientation

19 ms

google_tag.script.js

google_tag.script.js

9 ms

paragraphs.unpublished.css

paragraphs.unpublished.css

11 ms

fonts.css

fonts.css

238 ms

site.css

site.css

22 ms

modernizr.min.js

modernizr.min.js

21 ms

site.js

site.js

37 ms

B1E46E911EF6CF447.css

B1E46E911EF6CF447.css

659 ms

OWeek.jpg

OWeek.jpg

58 ms

20220924_PEERMENTOR_116.jpg

20220924_PEERMENTOR_116.jpg

62 ms

20180923_openingconvocation_2829.jpg

20180923_openingconvocation_2829.jpg

61 ms

icons.svg

icons.svg

53 ms

AAEAAAABc3MwMQAIAAAAAQAAAAIABgAOAAYAAAABABAAAQAAAAEAKAABAAgAAQAOAAEAAQCqAAEABAABAKoAAQAAAAEAAAABAAEABv9ZAAEAAQCq

AAEAAAABc3MwMQAIAAAAAQAAAAIABgAOAAYAAAABABAAAQAAAAEAKAABAAgAAQAOAAEAAQCqAAEABAABAKoAAQAAAAEAAAABAAEABv9ZAAEAAQCq

18 ms

04AAQABALU=

04AAQABALU=

17 ms

WQABAAEAqg==

WQABAAEAqg==

16 ms

AAEAAAABc3MwMQAIAAAAAQAAAAIABgAOAAYAAAABABAAAQAAAAEAKAABAAgAAQAOAAEAAQCqAAEABAABAKoAAQAAAAEAAAABAAEABv9ZAAEAAQCq

AAEAAAABc3MwMQAIAAAAAQAAAAIABgAOAAYAAAABABAAAQAAAAEAKAABAAgAAQAOAAEAAQCqAAEABAABAKoAAQAAAAEAAAABAAEABv9ZAAEAAQCq

14 ms

WQABAAEAqg==

WQABAAEAqg==

13 ms

1kAAQABAKo=

1kAAQABAKo=

12 ms

AAoAAQAAAAwAAAAWAAAAAgABAAEANQABAAQAAAACAAAAAA==

AAoAAQAAAAwAAAAWAAAAAgABAAEANQABAAQAAAACAAAAAA==

12 ms

AAoAAQAAAAwAAAAWAAAAAgABAAEANgABAAQAAAACAAAAAA==

AAoAAQAAAAwAAAAWAAAAAgABAAEANgABAAQAAAACAAAAAA==

11 ms

AAoAAQAAAAwAAAAWAAAAAgABAAEANQABAAQAAAACAAAAAA==

AAoAAQAAAAwAAAAWAAAAAgABAAEANQABAAQAAAACAAAAAA==

11 ms

wAKAAEAAAAMAAAAFgAAAAIAAQABADUAAQAEAAAAAgAAAAA=

wAKAAEAAAAMAAAAFgAAAAIAAQABADUAAQAEAAAAAgAAAAA=

11 ms

AAoAAQAAAAwAAAAWAAAAAgABAAEANQABAAQAAAACAAAAAA==

AAoAAQAAAAwAAAAWAAAAAgABAAEANQABAAQAAAACAAAAAA==

10 ms

wAKAAEAAAAMAAAAFgAAAAIAAQABADUAAQAEAAAAAgAAAAA=

wAKAAEAAAAMAAAAFgAAAAIAAQABADUAAQAEAAAAAgAAAAA=

11 ms

gtm.js

gtm.js

79 ms

Accessibility Review

obook.uchicago.edu accessibility score

98

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

obook.uchicago.edu best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

obook.uchicago.edu SEO score

93

Search Engine Optimization Advices

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 Obook.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 Obook.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

obook.uchicago.edu

Open Graph description is not detected on the main page of Obook U Chicago. 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: