Tools & Wizards About Us
kcls.org screenshot

Report Summary

  • 8

    Performance

    Renders faster than
    22% of other websites

  • 97

    Accessibility

    Visual factors better than
    that of 91% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

kcls.org

King County Library System

Page Load Speed

4 sec in total

First Response

67 ms

Resources Loaded

3.3 sec

Page Rendered

610 ms

kcls.org screenshot

About Website

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

Search the library catalog, put holds on books, find homework help for students, parents, and teachers, and look up open hours and…

Visit kcls.org

Key Findings

We analyzed Kcls.org page load time and found that the first response time was 67 ms and then it took 3.9 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

kcls.org performance score

8

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.1 s

1/100

10%

LCP (Largest Contentful Paint)

Value8.1 s

2/100

25%

SI (Speed Index)

Value9.1 s

14/100

10%

TBT (Total Blocking Time)

Value3,220 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.329

34/100

15%

TTI (Time to Interactive)

Value23.2 s

1/100

10%

Network Requests Diagram

kcls.org

67 ms

kcls.org

341 ms

style.min.css

46 ms

style.css

55 ms

cms-wordpress.css

67 ms

Our browser made a total of 62 requests to load all elements on the main page. We found that 8% of them (5 requests) were addressed to the original Kcls.org, 40% (25 requests) were made to D4804za1f1gw.cloudfront.net and 13% (8 requests) were made to Cor-cdn-static.bibliocommons.com. The less responsive or slowest element that took the longest time to load (949 ms) relates to the external source Googleads.g.doubleclick.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 994.4 kB (39%)

Content Size

2.6 MB

After Optimization

1.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Kcls.org main page is 2.6 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 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 713.0 kB

  • Original 828.8 kB
  • After minification 783.4 kB
  • After compression 115.8 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 713.0 kB or 86% of the original size.

Image Optimization

-50%

Potential reduce by 276.0 kB

  • Original 548.2 kB
  • After minification 272.2 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. Obviously, Kcls needs image optimization as it can save up to 276.0 kB or 50% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 1.8 kB

  • Original 1.1 MB
  • After minification 1.1 MB
  • After compression 1.1 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 126.9 kB
  • After minification 126.9 kB
  • After compression 123.3 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. Kcls.org has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 35 (70%)

Requests Now

50

After Optimization

15

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 50 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kcls. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

kcls.org

kcls.org

67 ms

kcls.org

kcls.org

341 ms

style.min.css

style.min.css

46 ms

style.css

style.css

55 ms

cms-wordpress.css

cms-wordpress.css

67 ms

v3.css

v3.css

68 ms

bw-bb-modules.css

bw-bb-modules.css

78 ms

slick.css

slick.css

79 ms

365068-layout.css

365068-layout.css

156 ms

jquery.min.js

jquery.min.js

80 ms

jquery-migrate.min.js

jquery-migrate.min.js

82 ms

c-system-message.min.js

c-system-message.min.js

81 ms

in-view.min.js

in-view.min.js

81 ms

c-bw-bb.min.js

c-bw-bb.min.js

81 ms

banner-email.min.js

banner-email.min.js

84 ms

c-sliders.min.js

c-sliders.min.js

82 ms

c-tabs-catalog.min.js

c-tabs-catalog.min.js

84 ms

responsive_external_header-c60fcf3650be665b532bd462de3f54a7.css

responsive_external_header-c60fcf3650be665b532bd462de3f54a7.css

39 ms

external_library_branding.css

external_library_branding.css

76 ms

stylesheet.css

stylesheet.css

81 ms

css

css

61 ms

element.js

element.js

202 ms

load_chat.php

load_chat.php

203 ms

conversion.js

conversion.js

201 ms

c-common.min.js

c-common.min.js

11 ms

365068-layout.js

365068-layout.js

199 ms

share-button.js

share-button.js

21 ms

iframe-resize.min.js

iframe-resize.min.js

8 ms

handlebars.min.js

handlebars.min.js

8 ms

sdk.js

sdk.js

203 ms

responsive_external_header-11cbf52e01b3bde58bc8f7d20e5c4ef0.js

responsive_external_header-11cbf52e01b3bde58bc8f7d20e5c4ef0.js

16 ms

gtm.js

gtm.js

268 ms

logo.png

logo.png

161 ms

1848190189-large.png

1848190189-large.png

161 ms

897375967-large.png

897375967-large.png

266 ms

1878724559-large.png

1878724559-large.png

261 ms

2096748209-large.png

2096748209-large.png

260 ms

1871968899-large.png

1871968899-large.png

259 ms

Biblio2-1TaxHelp-landscape.png

Biblio2-1TaxHelp-landscape.png

333 ms

positive-indian-guy-chilling-at-home-using-laptop-2023-11-27-05-09-57-utc-670x447.jpg

positive-indian-guy-chilling-at-home-using-laptop-2023-11-27-05-09-57-utc-670x447.jpg

159 ms

card_1_1.png

card_1_1.png

158 ms

card_2_1.png

card_2_1.png

137 ms

KCLSF-brandmark-130_65.png

KCLSF-brandmark-130_65.png

158 ms

close.dark.png

close.dark.png

136 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf

247 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4gaVc.ttf

248 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVc.ttf

248 ms

fontello-7aaf5df643343c6846d1d2be8803acd8.woff

fontello-7aaf5df643343c6846d1d2be8803acd8.woff

141 ms

js

js

139 ms

js

js

292 ms

234 ms

app.sdk-af54c5f547fb4087980d.css

app.sdk-af54c5f547fb4087980d.css

207 ms

app.sdk-af54c5f547fb4087980d.js

app.sdk-af54c5f547fb4087980d.js

218 ms

css

css

89 ms

949 ms

403 ms

8067.js

8067.js

392 ms

is_local_branch.json

is_local_branch.json

743 ms

systemMessages

systemMessages

738 ms

state

state

190 ms

is_local_branch.json

is_local_branch.json

201 ms

kcls.org.json

kcls.org.json

83 ms

Accessibility Review

kcls.org accessibility score

97

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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

kcls.org best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

kcls.org 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 Kcls.org 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 Kcls.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

kcls.org

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