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catalog.starklibrary.org screenshot

Report Summary

  • 52

    Performance

    Renders faster than
    70% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

catalog.starklibrary.org

Javascript required

Page Load Speed

3 sec in total

First Response

393 ms

Resources Loaded

2.4 sec

Page Rendered

135 ms

catalog.starklibrary.org screenshot

About Website

Welcome to catalog.starklibrary.org homepage info - get ready to check Catalog Starklibrary best content for United States right away, or after learning these important things about catalog.starklibrary.org

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Key Findings

We analyzed Catalog.starklibrary.org page load time and found that the first response time was 393 ms and then it took 2.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

catalog.starklibrary.org performance score

52

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.4 s

7/100

10%

LCP (Largest Contentful Paint)

Value5.5 s

18/100

25%

SI (Speed Index)

Value5.4 s

56/100

10%

TBT (Total Blocking Time)

Value350 ms

74/100

30%

CLS (Cumulative Layout Shift)

Value0.046

99/100

15%

TTI (Time to Interactive)

Value8.0 s

43/100

10%

Network Requests Diagram

catalog.starklibrary.org

393 ms

;jsessionid=A863F64F30FFEF6D8A4857349C6D87DF

150 ms

jquery-1.7.2.min.js

351 ms

googleMaps.js

140 ms

ToggleWidget.js

145 ms

Our browser made a total of 21 requests to load all elements on the main page. We found that 90% of them (19 requests) were addressed to the original Catalog.starklibrary.org, 10% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (501 ms) belongs to the original domain Catalog.starklibrary.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 570.8 kB (73%)

Content Size

783.9 kB

After Optimization

213.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Catalog.starklibrary.org main page is 783.9 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 663.5 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 11.2 kB

  • Original 15.2 kB
  • After minification 11.4 kB
  • After compression 4.0 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. This page needs HTML code to be minified as it can gain 3.8 kB, which is 25% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 11.2 kB or 74% of the original size.

Image Optimization

-4%

Potential reduce by 556 B

  • Original 15.5 kB
  • After minification 14.9 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. Catalog Starklibrary images are well optimized though.

JavaScript Optimization

-73%

Potential reduce by 483.5 kB

  • Original 663.5 kB
  • After minification 585.1 kB
  • After compression 180.0 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 483.5 kB or 73% of the original size.

CSS Optimization

-84%

Potential reduce by 75.5 kB

  • Original 89.8 kB
  • After minification 68.0 kB
  • After compression 14.3 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. Catalog.starklibrary.org needs all CSS files to be minified and compressed as it can save up to 75.5 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (58%)

Requests Now

19

After Optimization

8

  • Images
  • JavaScript
  • CSS

The browser has sent 19 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Catalog Starklibrary. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

catalog.starklibrary.org

catalog.starklibrary.org

393 ms

;jsessionid=A863F64F30FFEF6D8A4857349C6D87DF

;jsessionid=A863F64F30FFEF6D8A4857349C6D87DF

150 ms

jquery-1.7.2.min.js

jquery-1.7.2.min.js

351 ms

googleMaps.js

googleMaps.js

140 ms

ToggleWidget.js

ToggleWidget.js

145 ms

encore-deploy.js

encore-deploy.js

300 ms

toggle.js

toggle.js

148 ms

dojo.js

dojo.js

480 ms

encore.js

encore.js

501 ms

tapestry.js

tapestry.js

290 ms

dpstyles.css

dpstyles.css

409 ms

iiistyles.css

iiistyles.css

367 ms

styles.css

styles.css

370 ms

dpprint.css

dpprint.css

73 ms

Encore_SLIC_Logo.png

Encore_SLIC_Logo.png

139 ms

go_button.png

go_button.png

70 ms

copyright.png

copyright.png

73 ms

uparrow.png

uparrow.png

75 ms

analytics.js

analytics.js

33 ms

mobileSprite.png

mobileSprite.png

151 ms

collect

collect

15 ms

Accessibility Review

catalog.starklibrary.org accessibility score

77

Accessibility Issues

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

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

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

catalog.starklibrary.org 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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

catalog.starklibrary.org SEO score

77

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

High

Page is blocked from indexing

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

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Catalog.starklibrary.org can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Catalog.starklibrary.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

catalog.starklibrary.org

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