Tools & Wizards About Us
chipublib.bibliocommons.com screenshot

Report Summary

  • 7

    Performance

    Renders faster than
    22% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 88

    SEO

    Google-friendlier than
    65% of websites

chipublib.bibliocommons.com

Recent Activity | Chicago Public Library | BiblioCommons

Page Load Speed

4.1 sec in total

First Response

11 ms

Resources Loaded

3.7 sec

Page Rendered

318 ms

chipublib.bibliocommons.com screenshot

About Website

Visit chipublib.bibliocommons.com now to see the best up-to-date Chipublib Biblio Commons content for United States and also check out these interesting facts you probably never knew about chipublib.bibliocommons.com

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Key Findings

We analyzed Chipublib.bibliocommons.com page load time and found that the first response time was 11 ms and then it took 4.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

chipublib.bibliocommons.com performance score

7

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

43/100

10%

LCP (Largest Contentful Paint)

Value19.7 s

0/100

25%

SI (Speed Index)

Value13.6 s

2/100

10%

TBT (Total Blocking Time)

Value3,140 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.663

8/100

15%

TTI (Time to Interactive)

Value19.8 s

2/100

10%

Network Requests Diagram

chipublib.bibliocommons.com

11 ms

chipublib.bibliocommons.com

699 ms

gtm.js

94 ms

bc_base-7458b34fb4de9be11818e405e123b860.css

67 ms

core-0ebb1c96c1022e0da243d70f0cde2466.css

76 ms

Our browser made a total of 179 requests to load all elements on the main page. We found that 2% of them (4 requests) were addressed to the original Chipublib.bibliocommons.com, 66% (118 requests) were made to Secure.syndetics.com and 15% (27 requests) were made to Cor-cdn-static.bibliocommons.com. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source Chipublib.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 455.9 kB (13%)

Content Size

3.4 MB

After Optimization

3.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Chipublib.bibliocommons.com main page is 3.4 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. Only a small number of websites need less resources to load. Images take 1.6 MB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 396.5 kB

  • Original 447.2 kB
  • After minification 442.7 kB
  • After compression 50.7 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 396.5 kB or 89% of the original size.

Image Optimization

-3%

Potential reduce by 49.8 kB

  • Original 1.6 MB
  • After minification 1.5 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. Chipublib Biblio Commons images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 40 B

  • Original 1.3 MB
  • After minification 1.3 MB
  • After compression 1.3 MB

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

-6%

Potential reduce by 9.6 kB

  • Original 148.3 kB
  • After minification 148.3 kB
  • After compression 138.7 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. Chipublib.bibliocommons.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 30 (19%)

Requests Now

157

After Optimization

127

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 157 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Chipublib Biblio Commons. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 19 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

chipublib.bibliocommons.com

chipublib.bibliocommons.com

11 ms

chipublib.bibliocommons.com

chipublib.bibliocommons.com

699 ms

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94 ms

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67 ms

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183 ms

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398 ms

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Accessibility Review

chipublib.bibliocommons.com accessibility score

100

Accessibility Issues

Best Practices

chipublib.bibliocommons.com best practices score

75

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

chipublib.bibliocommons.com SEO score

88

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

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 Chipublib.bibliocommons.com 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 Chipublib.bibliocommons.com 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

chipublib.bibliocommons.com

Open Graph description is not detected on the main page of Chipublib Biblio Commons. 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: