Tools & Wizards About Us
aclibrary.bibliocommons.com screenshot

Report Summary

  • 6

    Performance

    Renders faster than
    21% of other websites

  • 99

    Accessibility

    Visual factors better than
    that of 96% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

aclibrary.bibliocommons.com

Recent Activity | Alameda County Library | BiblioCommons

Page Load Speed

7.1 sec in total

First Response

1.1 sec

Resources Loaded

5.2 sec

Page Rendered

793 ms

aclibrary.bibliocommons.com screenshot

About Website

Welcome to aclibrary.bibliocommons.com homepage info - get ready to check Ac Library Biblio Commons best content for United States right away, or after learning these important things about aclibrary.bibliocommons.com

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Key Findings

We analyzed Aclibrary.bibliocommons.com page load time and found that the first response time was 1.1 sec and then it took 6 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

aclibrary.bibliocommons.com performance score

6

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

43/100

10%

LCP (Largest Contentful Paint)

Value18.2 s

0/100

25%

SI (Speed Index)

Value11.8 s

4/100

10%

TBT (Total Blocking Time)

Value3,930 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.742

6/100

15%

TTI (Time to Interactive)

Value18.1 s

3/100

10%

Network Requests Diagram

aclibrary.bibliocommons.com

1059 ms

gtm.js

127 ms

bc_base-7458b34fb4de9be11818e405e123b860.css

91 ms

core-0ebb1c96c1022e0da243d70f0cde2466.css

104 ms

dashboard-aa0ea2fdf1b09998517dc104ca00771e.css

86 ms

Our browser made a total of 187 requests to load all elements on the main page. We found that 2% of them (4 requests) were addressed to the original Aclibrary.bibliocommons.com, 50% (93 requests) were made to Secure.syndetics.com and 26% (48 requests) were made to Cor-cdn-static.bibliocommons.com. The less responsive or slowest element that took the longest time to load (1.6 sec) relates to the external source Secure.syndetics.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 531.8 kB (19%)

Content Size

2.7 MB

After Optimization

2.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Aclibrary.bibliocommons.com main page is 2.7 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. Javascripts take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-90%

Potential reduce by 489.1 kB

  • Original 542.4 kB
  • After minification 537.7 kB
  • After compression 53.2 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 489.1 kB or 90% of the original size.

Image Optimization

-5%

Potential reduce by 38.6 kB

  • Original 814.1 kB
  • After minification 775.5 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. Ac Library Biblio Commons images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 515 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

-3%

Potential reduce by 3.6 kB

  • Original 115.5 kB
  • After minification 115.5 kB
  • After compression 111.9 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. Aclibrary.bibliocommons.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 33 (24%)

Requests Now

135

After Optimization

102

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 135 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ac Library 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 17 to 1 for JavaScripts and from 18 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

aclibrary.bibliocommons.com

aclibrary.bibliocommons.com

1059 ms

gtm.js

gtm.js

127 ms

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91 ms

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447 ms

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471 ms

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471 ms

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471 ms

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471 ms

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472 ms

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149 ms

aclibrary.bibliocommons.com.json

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64 ms

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42 ms

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Accessibility Review

aclibrary.bibliocommons.com accessibility score

99

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

aclibrary.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

aclibrary.bibliocommons.com SEO score

90

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 Aclibrary.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 Aclibrary.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

aclibrary.bibliocommons.com

Open Graph description is not detected on the main page of Ac Library 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: