Tools & Wizards About Us
digital-libraries.artic.edu screenshot

Report Summary

  • 28

    Performance

    Renders faster than
    47% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 86% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

digital-libraries.artic.edu

Archival Collections | The Art Institute of Chicago

Page Load Speed

2 sec in total

First Response

98 ms

Resources Loaded

1.6 sec

Page Rendered

314 ms

digital-libraries.artic.edu screenshot

About Website

Click here to check amazing Digital Libraries Art Ic content for United States. Otherwise, check out these important facts you probably never knew about digital-libraries.artic.edu

The Art Institute of Chicago Archives collects, preserves and makes available materials related to the history of the Art Institute of Chicago, the School, as well as materials related to the history ...

Visit digital-libraries.artic.edu

Key Findings

We analyzed Digital-libraries.artic.edu page load time and found that the first response time was 98 ms and then it took 1.9 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

digital-libraries.artic.edu performance score

28

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

33/100

10%

LCP (Largest Contentful Paint)

Value7.2 s

5/100

25%

SI (Speed Index)

Value7.4 s

27/100

10%

TBT (Total Blocking Time)

Value1,340 ms

17/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value14.8 s

8/100

10%

Network Requests Diagram

digital-libraries.artic.edu

98 ms

archival-collections

484 ms

picturefill.min.js

75 ms

icons-be72e57724.svg

10 ms

video-js.css

97 ms

Our browser made a total of 35 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Digital-libraries.artic.edu, 31% (11 requests) were made to Artic.edu and 23% (8 requests) were made to Artic-web.imgix.net. The less responsive or slowest element that took the longest time to load (484 ms) relates to the external source Artic.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 226.4 kB (33%)

Content Size

689.4 kB

After Optimization

463.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Digital-libraries.artic.edu main page is 689.4 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. 40% of websites need less resources to load. HTML takes 279.9 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 221.3 kB

  • Original 279.9 kB
  • After minification 267.5 kB
  • After compression 58.6 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 221.3 kB or 79% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 183.9 kB
  • After minification 183.9 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. Digital Libraries Art Ic images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 50 B

  • Original 21.0 kB
  • After minification 21.0 kB
  • After compression 20.9 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. This website has mostly compressed JavaScripts.

CSS Optimization

-2%

Potential reduce by 5.0 kB

  • Original 204.6 kB
  • After minification 204.6 kB
  • After compression 199.6 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. Digital-libraries.artic.edu has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 14 (48%)

Requests Now

29

After Optimization

15

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Digital Libraries Art Ic. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

digital-libraries.artic.edu

digital-libraries.artic.edu

98 ms

archival-collections

archival-collections

484 ms

picturefill.min.js

picturefill.min.js

75 ms

icons-be72e57724.svg

icons-be72e57724.svg

10 ms

video-js.css

video-js.css

97 ms

app-890cd90b5e.css

app-890cd90b5e.css

22 ms

app-1b2984b621.js

app-1b2984b621.js

57 ms

blocks3D-af94d1f32d.js

blocks3D-af94d1f32d.js

55 ms

virtualTour-93b13d4d2e.js

virtualTour-93b13d4d2e.js

63 ms

tour.js

tour.js

63 ms

mirador-62ab202933.js

mirador-62ab202933.js

70 ms

videojs-668af187fb.js

videojs-668af187fb.js

67 ms

print-6b5ea70d35.css

print-6b5ea70d35.css

4 ms

gtm.js

gtm.js

407 ms

sullivan.jpg

sullivan.jpg

345 ms

U525691.jpg

U525691.jpg

18 ms

wce_portrait.jpg

wce_portrait.jpg

20 ms

IM031795_014-web.jpg

IM031795_014-web.jpg

107 ms

oral_histories.jpg

oral_histories.jpg

20 ms

C00189-web.jpg

C00189-web.jpg

142 ms

digital_publications-web.jpg

digital_publications-web.jpg

20 ms

sullivan.jpg

sullivan.jpg

106 ms

fonts.css

fonts.css

66 ms

FCBE209160624C2CA.css

FCBE209160624C2CA.css

212 ms

js

js

62 ms

destination

destination

61 ms

analytics.js

analytics.js

41 ms

fbevents.js

fbevents.js

54 ms

activity;xsp=4975994;qty=1;cost=[revenue];ord=[order%20id]

activity;xsp=4975994;qty=1;cost=[revenue];ord=[order%20id]

139 ms

collect

collect

77 ms

collect

collect

182 ms

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16 ms

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16 ms

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16 ms

ga-audiences

ga-audiences

55 ms

Accessibility Review

digital-libraries.artic.edu accessibility score

95

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

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

digital-libraries.artic.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

Page has valid source maps

SEO Factors

digital-libraries.artic.edu SEO score

82

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 Digital-libraries.artic.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 Digital-libraries.artic.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

digital-libraries.artic.edu

Open Graph data is detected on the main page of Digital Libraries Art Ic. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: