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name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

41/100

10%

LCP (Largest Contentful Paint)

Value17.6 s

0/100

25%

SI (Speed Index)

Value12.0 s

4/100

10%

TBT (Total Blocking Time)

Value4,580 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.644

9/100

15%

TTI (Time to Interactive)

Value17.9 s

4/100

10%

ylpl.bibliocommons.com

32 ms

ylpl.bibliocommons.com

395 ms

gtm.js

74 ms

bc_base-7458b34fb4de9be11818e405e123b860.css

40 ms

core-0ebb1c96c1022e0da243d70f0cde2466.css

51 ms

Our browser made a total of 126 requests to load all elements on the main page. We found that 3% of them (4 requests) were addressed to the original Ylpl.bibliocommons.com, 56% (70 requests) were made to Contentcafe2.btol.com and 21% (27 requests) were made to Cor-cdn-static.bibliocommons.com. The less responsive or slowest element that took the longest time to load (714 ms) relates to the external source Contentcafe2.btol.com.

Content Size

3.9 MB

After Optimization

3.4 MB

In fact, the total size of Ylpl.bibliocommons.com main page is 3.9 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 2.1 MB which makes up the majority of the site volume.

HTML Optimization

-90%

Potential reduce by 378.9 kB

Original 420.2 kB
After minification 417.0 kB
After compression 41.4 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 378.9 kB or 90% of the original size.

Image Optimization

-6%

Potential reduce by 121.4 kB

Original 2.1 MB
After minification 2.0 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. Ylpl 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

-3%

Potential reduce by 3.4 kB

Original 113.1 kB
After minification 113.1 kB
After compression 109.6 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. Ylpl.bibliocommons.com has all CSS files already compressed.

Requests Now

104

After Optimization

The browser has sent 104 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ylpl 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 16 to 1 for CSS and as a result speed up the page load time.

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

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/).

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 Ylpl.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 Ylpl.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

ylpl.bibliocommons.com

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

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Performance

Accessibility

Best Practices

SEO

Recent Activity | Yorba Linda Public Library | BiblioCommons

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

ylpl.bibliocommons.com

ylpl.bibliocommons.com

gtm.js

bc_base-7458b34fb4de9be11818e405e123b860.css

core-0ebb1c96c1022e0da243d70f0cde2466.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

ylpl.bibliocommons.com

ylpl.bibliocommons.com

gtm.js

bc_base-7458b34fb4de9be11818e405e123b860.css

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Jacket.aspx

Jacket.aspx

Jacket.aspx