Tools & Wizards About Us
skoolbo.co.uk screenshot

Report Summary

  • 9

    Performance

    Renders faster than
    23% of other websites

  • 66

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

skoolbo.co.uk

Skoolbo - Reading, Writing, Numeracy, Languages, Science and more

Page Load Speed

3.8 sec in total

First Response

157 ms

Resources Loaded

2.6 sec

Page Rendered

1.1 sec

skoolbo.co.uk screenshot

About Website

Welcome to skoolbo.co.uk homepage info - get ready to check Skoolbo best content for United Kingdom right away, or after learning these important things about skoolbo.co.uk

Skoolbo is a full curriculum learning program for four to ten-year-olds. Children are immersed in an incredible learning world and are highly motivated by the inbuilt rewards. Subjects include Reading...

Visit skoolbo.co.uk

Key Findings

We analyzed Skoolbo.co.uk page load time and found that the first response time was 157 ms and then it took 3.7 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

skoolbo.co.uk performance score

9

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

33/100

10%

LCP (Largest Contentful Paint)

Value18.4 s

0/100

25%

SI (Speed Index)

Value9.0 s

14/100

10%

TBT (Total Blocking Time)

Value5,210 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.393

26/100

15%

TTI (Time to Interactive)

Value24.0 s

1/100

10%

Network Requests Diagram

skoolbo.co.uk

157 ms

skoolbo.co.uk

458 ms

cssbootstrap

165 ms

ace-fonts.min.css

280 ms

ace.min.css

569 ms

Our browser made a total of 80 requests to load all elements on the main page. We found that 91% of them (73 requests) were addressed to the original Skoolbo.co.uk, 3% (2 requests) were made to Youtube.com and 3% (2 requests) were made to Connect.facebook.net. The less responsive or slowest element that took the longest time to load (774 ms) belongs to the original domain Skoolbo.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 224.6 kB (6%)

Content Size

3.6 MB

After Optimization

3.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Skoolbo.co.uk main page is 3.6 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. 50% of websites need less resources to load. Images take 3.3 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 100.2 kB

  • Original 120.7 kB
  • After minification 85.2 kB
  • After compression 20.5 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 35.5 kB, which is 29% 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 100.2 kB or 83% of the original size.

Image Optimization

-4%

Potential reduce by 116.6 kB

  • Original 3.3 MB
  • After minification 3.2 MB

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. Skoolbo images are well optimized though.

JavaScript Optimization

-11%

Potential reduce by 7.3 kB

  • Original 64.7 kB
  • After minification 64.2 kB
  • After compression 57.4 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 7.3 kB or 11% of the original size.

CSS Optimization

-1%

Potential reduce by 522 B

  • Original 89.2 kB
  • After minification 89.2 kB
  • After compression 88.6 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. Skoolbo.co.uk has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 30 (40%)

Requests Now

75

After Optimization

45

  • Images
  • JavaScript
  • CSS

The browser has sent 75 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Skoolbo. 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 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

skoolbo.co.uk

skoolbo.co.uk

157 ms

skoolbo.co.uk

skoolbo.co.uk

458 ms

cssbootstrap

cssbootstrap

165 ms

ace-fonts.min.css

ace-fonts.min.css

280 ms

ace.min.css

ace.min.css

569 ms

ace-skins.min.css

ace-skins.min.css

338 ms

ace-rtl.min.css

ace-rtl.min.css

441 ms

css

css

317 ms

navbar

navbar

396 ms

index.css

index.css

522 ms

modernizr

modernizr

543 ms

js

js

52 ms

tp.widget.bootstrap.min.js

tp.widget.bootstrap.min.js

19 ms

require

require

487 ms

require-config.js

require-config.js

634 ms

site.js

site.js

635 ms

iframe_api

iframe_api

45 ms

index.js

index.js

636 ms

fbevents.js

fbevents.js

63 ms

background_tile_2.png

background_tile_2.png

201 ms

skoolbo2_header.png

skoolbo2_header.png

212 ms

web_Snazz.jpg

web_Snazz.jpg

277 ms

web_Why%20Skoolbo.jpg

web_Why%20Skoolbo.jpg

124 ms

LearningGuaranteed_MATHS.png

LearningGuaranteed_MATHS.png

200 ms

web_30%20Day%20Free.jpg

web_30%20Day%20Free.jpg

200 ms

CODiE.png

CODiE.png

270 ms

web-best-person.jpg

web-best-person.jpg

291 ms

PB_badge2.png

PB_badge2.png

295 ms

web_images2.jpg

web_images2.jpg

424 ms

web-pricing-GBP.jpg

web-pricing-GBP.jpg

368 ms

web_smartest.jpg

web_smartest.jpg

408 ms

web_teachers.jpg

web_teachers.jpg

417 ms

web-snazz-learning.jpg

web-snazz-learning.jpg

374 ms

web-PB_Collage.jpg

web-PB_Collage.jpg

506 ms

personalbest.png

personalbest.png

482 ms

web_skillMaster.jpg

web_skillMaster.jpg

484 ms

web_computer.jpg

web_computer.jpg

493 ms

web_todaysChallenge.jpg

web_todaysChallenge.jpg

511 ms

web_stepbystep.jpg

web_stepbystep.jpg

512 ms

web_snazzimals.jpg

web_snazzimals.jpg

568 ms

web_tracker.jpg

web_tracker.jpg

569 ms

web_research.jpg

web_research.jpg

585 ms

web_rewards.jpg

web_rewards.jpg

679 ms

web_3dWorlds.jpg

web_3dWorlds.jpg

615 ms

web_grandparents.jpg

web_grandparents.jpg

624 ms

web_reading.jpg

web_reading.jpg

674 ms

web_phonicals.jpg

web_phonicals.jpg

692 ms

web_writing.jpg

web_writing.jpg

694 ms

web_ashg.jpg

web_ashg.jpg

721 ms

web_math.jpg

web_math.jpg

732 ms

web_timestable.jpg

web_timestable.jpg

760 ms

web_language.jpg

web_language.jpg

749 ms

www-widgetapi.js

www-widgetapi.js

10 ms

web_science.jpg

web_science.jpg

746 ms

ai.0.js

ai.0.js

56 ms

web_curiosity.jpg

web_curiosity.jpg

745 ms

OpenSans-400.woff

OpenSans-400.woff

774 ms

661377854607511

661377854607511

92 ms

OpenSans-300.woff

OpenSans-300.woff

691 ms

Big_Bimbo_NC.ttf

Big_Bimbo_NC.ttf

635 ms

jquery

jquery

664 ms

blockUI.js

blockUI.js

678 ms

jquery.countdown.min.js

jquery.countdown.min.js

678 ms

knockout

knockout

650 ms

leaderboard-service.js

leaderboard-service.js

655 ms

js-cookie.js

js-cookie.js

679 ms

jquery.visible.min.js

jquery.visible.min.js

695 ms

web_music.jpg

web_music.jpg

659 ms

web_art.jpg

web_art.jpg

663 ms

web_stories.jpg

web_stories.jpg

658 ms

web_money.jpg

web_money.jpg

657 ms

web_brain.jpg

web_brain.jpg

680 ms

web_footerCollage.jpg

web_footerCollage.jpg

623 ms

web_rainbow.png

web_rainbow.png

648 ms

web_snazzPopup.png

web_snazzPopup.png

648 ms

bootstrap

bootstrap

275 ms

jquery.blockUI.js

jquery.blockUI.js

296 ms

leaderboard-repository.js

leaderboard-repository.js

269 ms

knockout-extension.js

knockout-extension.js

278 ms

String.js

String.js

82 ms

Accessibility Review

skoolbo.co.uk accessibility score

66

Accessibility Issues

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

skoolbo.co.uk best practices score

67

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

skoolbo.co.uk SEO score

83

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

High

Image elements do not have [alt] attributes

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Skoolbo.co.uk 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 Skoolbo.co.uk 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

skoolbo.co.uk

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