Report Summary

  • 94

    Performance

    Renders faster than
    93% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 44% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 91

    SEO

    Google-friendlier than
    71% of websites

jclc.org

Public libraries in Jefferson County, Alabama

Page Load Speed

546 ms in total

First Response

99 ms

Resources Loaded

321 ms

Page Rendered

126 ms

jclc.org screenshot

About Website

Visit jclc.org now to see the best up-to-date Jclc content for United States and also check out these interesting facts you probably never knew about jclc.org

Find links to web sites on many subjects. All links reviewed by librarians or other review source. Read local information on events at the Jefferson County Library Cooperative Library's public lib...

Visit jclc.org

Key Findings

We analyzed Jclc.org page load time and found that the first response time was 99 ms and then it took 447 ms to load all DOM resources and completely render a web page. This is an excellent result, as only 5% of websites can load faster.

Performance Metrics

jclc.org performance score

94

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

76/100

10%

LCP (Largest Contentful Paint)

Value2.3 s

94/100

25%

SI (Speed Index)

Value2.2 s

99/100

10%

TBT (Total Blocking Time)

Value140 ms

95/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value2.6 s

98/100

10%

Network Requests Diagram

jclc.org

99 ms

analytics.js

33 ms

2015no1.css

100 ms

WebResource.axd

54 ms

WebResource.axd

97 ms

Our browser made a total of 20 requests to load all elements on the main page. We found that 90% of them (18 requests) were addressed to the original Jclc.org, 10% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (113 ms) belongs to the original domain Jclc.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 70.4 kB (59%)

Content Size

119.4 kB

After Optimization

49.0 kB

In fact, the total size of Jclc.org main page is 119.4 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. 15% of websites need less resources to load. Javascripts take 69.1 kB which makes up the majority of the site volume.

HTML Optimization

-69%

Potential reduce by 11.5 kB

  • Original 16.8 kB
  • After minification 16.3 kB
  • After compression 5.2 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 11.5 kB or 69% of the original size.

Image Optimization

-2%

Potential reduce by 248 B

  • Original 13.6 kB
  • After minification 13.3 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. Jclc images are well optimized though.

JavaScript Optimization

-59%

Potential reduce by 40.8 kB

  • Original 69.1 kB
  • After minification 53.1 kB
  • After compression 28.3 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 40.8 kB or 59% of the original size.

CSS Optimization

-89%

Potential reduce by 17.8 kB

  • Original 19.9 kB
  • After minification 13.3 kB
  • After compression 2.2 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. Jclc.org needs all CSS files to be minified and compressed as it can save up to 17.8 kB or 89% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

19

After Optimization

19

The browser has sent 19 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jclc. According to our analytics all requests are already optimized.

Accessibility Review

jclc.org accessibility score

76

Accessibility Issues

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Form elements do not have associated labels

Best Practices

jclc.org best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

SEO Factors

jclc.org SEO score

91

Search Engine Optimization Advices

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 doesn't use legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jclc.org can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Jclc.org 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

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