Report Summary

  • 95

    Performance

    Renders faster than
    93% 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

  • 75

    SEO

    Google-friendlier than
    32% of websites

en.childrenslibrary.org

ICDL - International Children's Digital Library

Page Load Speed

2.3 sec in total

First Response

662 ms

Resources Loaded

1.5 sec

Page Rendered

166 ms

About Website

Click here to check amazing En Children S Library content for Spain. Otherwise, check out these important facts you probably never knew about en.childrenslibrary.org

International Children's Digital Library

Visit en.childrenslibrary.org

Key Findings

We analyzed En.childrenslibrary.org page load time and found that the first response time was 662 ms and then it took 1.7 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

en.childrenslibrary.org performance score

95

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.1 s

99/100

10%

LCP (Largest Contentful Paint)

Value2.9 s

80/100

25%

SI (Speed Index)

Value1.1 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.043

99/100

15%

TTI (Time to Interactive)

Value1.1 s

100/100

10%

Network Requests Diagram

en.childrenslibrary.org

662 ms

homeimport.css

11 ms

jquery-ui-1.7.1.custom.css

16 ms

jquery-1.3.2.min.js

24 ms

jquery-ui-1.7.1.custom.min.js

45 ms

Our browser made a total of 37 requests to load all elements on the main page. We found that 92% of them (34 requests) were addressed to the original En.childrenslibrary.org, 5% (2 requests) were made to Google-analytics.com and 3% (1 request) were made to Gmodules.com. The less responsive or slowest element that took the longest time to load (800 ms) belongs to the original domain En.childrenslibrary.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 348.9 kB (65%)

Content Size

534.1 kB

After Optimization

185.2 kB

In fact, the total size of En.childrenslibrary.org main page is 534.1 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. Javascripts take 317.6 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 38.2 kB

  • Original 45.4 kB
  • After minification 39.7 kB
  • After compression 7.1 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 5.7 kB, which is 13% 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 38.2 kB or 84% of the original size.

Image Optimization

-35%

Potential reduce by 46.3 kB

  • Original 131.2 kB
  • After minification 84.9 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. Obviously, En Children S Library needs image optimization as it can save up to 46.3 kB or 35% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-73%

Potential reduce by 230.5 kB

  • Original 317.6 kB
  • After minification 309.7 kB
  • After compression 87.0 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 230.5 kB or 73% of the original size.

CSS Optimization

-85%

Potential reduce by 33.8 kB

  • Original 39.9 kB
  • After minification 30.5 kB
  • After compression 6.1 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. En.childrenslibrary.org needs all CSS files to be minified and compressed as it can save up to 33.8 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (29%)

Requests Now

35

After Optimization

25

The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of En Children S Library. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

en.childrenslibrary.org accessibility score

100

Accessibility Issues

Best Practices

en.childrenslibrary.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

Serves images with low resolution

SEO Factors

en.childrenslibrary.org SEO score

75

Search Engine Optimization Advices

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 En.childrenslibrary.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 En.childrenslibrary.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 En Children S Library. 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: