Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 91

    SEO

    Google-friendlier than
    71% of websites

catalog.cantonpl.org

Canton Public Library

Page Load Speed

904 ms in total

First Response

112 ms

Resources Loaded

668 ms

Page Rendered

124 ms

catalog.cantonpl.org screenshot

About Website

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Key Findings

We analyzed Catalog.cantonpl.org page load time and found that the first response time was 112 ms and then it took 792 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

catalog.cantonpl.org performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value10.1 s

0/100

10%

LCP (Largest Contentful Paint)

Value12.9 s

0/100

25%

SI (Speed Index)

Value10.1 s

9/100

10%

TBT (Total Blocking Time)

Value1,780 ms

10/100

30%

CLS (Cumulative Layout Shift)

Value0.005

100/100

15%

TTI (Time to Interactive)

Value21.2 s

1/100

10%

Network Requests Diagram

catalog.cantonpl.org

112 ms

css

24 ms

to-cat-min.css

238 ms

styles.css

70 ms

font-awesome.min.css

5 ms

Our browser made a total of 17 requests to load all elements on the main page. We found that 29% of them (5 requests) were addressed to the original Catalog.cantonpl.org, 29% (5 requests) were made to Cantonpl.org and 12% (2 requests) were made to Maxcdn.bootstrapcdn.com. The less responsive or slowest element that took the longest time to load (254 ms) relates to the external source Cantonpl.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 53.2 kB (53%)

Content Size

100.2 kB

After Optimization

47.0 kB

In fact, the total size of Catalog.cantonpl.org main page is 100.2 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. 25% of websites need less resources to load. CSS take 53.5 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 12.8 kB

  • Original 17.1 kB
  • After minification 16.7 kB
  • After compression 4.3 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 12.8 kB or 75% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 12.5 kB
  • After minification 12.5 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. Catalog Canton Pl images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 34 B

  • Original 17.2 kB
  • After minification 17.2 kB
  • After compression 17.1 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. This website has mostly compressed JavaScripts.

CSS Optimization

-75%

Potential reduce by 40.4 kB

  • Original 53.5 kB
  • After minification 53.5 kB
  • After compression 13.1 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.cantonpl.org needs all CSS files to be minified and compressed as it can save up to 40.4 kB or 75% of the original size.

Requests Breakdown

Number of requests can be reduced by 7 (54%)

Requests Now

13

After Optimization

6

The browser has sent 13 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Catalog Canton Pl. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

catalog.cantonpl.org accessibility score

100

Accessibility Issues

Best Practices

catalog.cantonpl.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

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

catalog.cantonpl.org SEO score

91

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

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Catalog.cantonpl.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 Catalog.cantonpl.org main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

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