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pgonline.co.uk screenshot

Report Summary

  • 23

    Performance

    Renders faster than
    41% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

pgonline.co.uk

PG Online - Teaching and Learning Resources for STEM subjects: Mathematics, Computer Science, IT, Design & Technology and Business | PG Online

Page Load Speed

1.9 sec in total

First Response

61 ms

Resources Loaded

1.5 sec

Page Rendered

328 ms

pgonline.co.uk screenshot

About Website

Welcome to pgonline.co.uk homepage info - get ready to check PG Online best content for Hong Kong right away, or after learning these important things about pgonline.co.uk

STEM lesson resources. Completely planned, editable and structured lessons, worksheets, homework and final assessments, each with full mark schemes for Mathematics, Computer Science, IT, Design & Tech...

Visit pgonline.co.uk

Key Findings

We analyzed Pgonline.co.uk page load time and found that the first response time was 61 ms and then it took 1.9 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

pgonline.co.uk performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

30/100

10%

LCP (Largest Contentful Paint)

Value13.3 s

0/100

25%

SI (Speed Index)

Value19.7 s

0/100

10%

TBT (Total Blocking Time)

Value1,330 ms

17/100

30%

CLS (Cumulative Layout Shift)

Value0.012

100/100

15%

TTI (Time to Interactive)

Value18.2 s

3/100

10%

Network Requests Diagram

pgonline.co.uk

61 ms

pgonline.co.uk

155 ms

www.pgonline.co.uk

253 ms

78742b8f-3ed3-4c79-a00e-04a444112e00.css

41 ms

jquery.fancybox.min.css

36 ms

Our browser made a total of 57 requests to load all elements on the main page. We found that 53% of them (30 requests) were addressed to the original Pgonline.co.uk, 11% (6 requests) were made to Fast.fonts.net and 11% (6 requests) were made to Cdnjs.cloudflare.com. The less responsive or slowest element that took the longest time to load (809 ms) belongs to the original domain Pgonline.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 87.9 kB (3%)

Content Size

3.5 MB

After Optimization

3.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Pgonline.co.uk main page is 3.5 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 3.1 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 53.6 kB

  • Original 69.1 kB
  • After minification 69.0 kB
  • After compression 15.4 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 53.6 kB or 78% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 3.1 MB
  • After minification 3.1 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. PG Online images are well optimized though.

JavaScript Optimization

-16%

Potential reduce by 34.1 kB

  • Original 206.6 kB
  • After minification 206.4 kB
  • After compression 172.6 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 34.1 kB or 16% of the original size.

CSS Optimization

-0%

Potential reduce by 145 B

  • Original 70.8 kB
  • After minification 70.8 kB
  • After compression 70.6 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. Pgonline.co.uk has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 21 (43%)

Requests Now

49

After Optimization

28

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of PG Online. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

pgonline.co.uk

pgonline.co.uk

61 ms

pgonline.co.uk

pgonline.co.uk

155 ms

www.pgonline.co.uk

www.pgonline.co.uk

253 ms

78742b8f-3ed3-4c79-a00e-04a444112e00.css

78742b8f-3ed3-4c79-a00e-04a444112e00.css

41 ms

jquery.fancybox.min.css

jquery.fancybox.min.css

36 ms

styles-v4.css

styles-v4.css

214 ms

normalize.min.css

normalize.min.css

46 ms

modernizr.min.js

modernizr.min.js

50 ms

jquery.min.js

jquery.min.js

55 ms

imagesloaded.pkgd.min.js

imagesloaded.pkgd.min.js

50 ms

jquery.fancybox.min.js

jquery.fancybox.min.js

63 ms

jquery.matchHeight-min.js

jquery.matchHeight-min.js

205 ms

javascript.js

javascript.js

204 ms

owl.carousel.min.css

owl.carousel.min.css

209 ms

owl.carousel.min.js

owl.carousel.min.js

210 ms

js

js

85 ms

TwitterIcon.png

TwitterIcon.png

464 ms

FacebookIcon.png

FacebookIcon.png

152 ms

LinkedInIcon.png

LinkedInIcon.png

141 ms

invite-popout.svg

invite-popout.svg

152 ms

48.png

48.png

142 ms

42.png

42.png

156 ms

43.png

43.png

501 ms

44.png

44.png

578 ms

45.png

45.png

465 ms

46.png

46.png

577 ms

pg_online_awards_2023.jpg

pg_online_awards_2023.jpg

464 ms

gtm.js

gtm.js

71 ms

pg-online-logo.png

pg-online-logo.png

577 ms

search-icon.png

search-icon.png

577 ms

icon-cart.png

icon-cart.png

809 ms

meganav-background.jpg

meganav-background.jpg

659 ms

d42dd843-62b0-4623-8855-d5882512c3c9.woff

d42dd843-62b0-4623-8855-d5882512c3c9.woff

60 ms

3619b5f4-8df9-44f5-8c53-b7c236e9c74e.woff

3619b5f4-8df9-44f5-8c53-b7c236e9c74e.woff

168 ms

eadbb595-a394-48fc-834f-8bf5da15cddf.woff

eadbb595-a394-48fc-834f-8bf5da15cddf.woff

73 ms

1a.jpg

1a.jpg

640 ms

j8DATo7IlBM

j8DATo7IlBM

113 ms

left_2020.jpg

left_2020.jpg

626 ms

right_2020.jpg

right_2020.jpg

635 ms

home4-2018.jpg

home4-2018.jpg

651 ms

icon-home-unit-link.png

icon-home-unit-link.png

765 ms

home5_2018.jpg

home5_2018.jpg

754 ms

home9.jpg

home9.jpg

765 ms

b252d464-65cb-4950-88f7-ac0a1bf79b75.woff

b252d464-65cb-4950-88f7-ac0a1bf79b75.woff

96 ms

e976d680-12b6-411e-9f79-0ef9287f484d.woff

e976d680-12b6-411e-9f79-0ef9287f484d.woff

68 ms

hotjar-916042.js

hotjar-916042.js

109 ms

diffuser.js

diffuser.js

101 ms

www-player.css

www-player.css

7 ms

www-embed-player.js

www-embed-player.js

34 ms

base.js

base.js

63 ms

prism.app-us1.com

prism.app-us1.com

364 ms

ad_status.js

ad_status.js

146 ms

4-NlEi-7NY8SQPLCpX1INlyCg7Vzxjxgly2SzKIOrZg.js

4-NlEi-7NY8SQPLCpX1INlyCg7Vzxjxgly2SzKIOrZg.js

95 ms

embed.js

embed.js

25 ms

Create

Create

94 ms

id

id

78 ms

GenerateIT

GenerateIT

14 ms

Accessibility Review

pgonline.co.uk accessibility score

87

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

Buttons do not have an accessible name

High

<frame> or <iframe> elements do not have a title

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

pgonline.co.uk 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

pgonline.co.uk SEO score

92

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

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 Pgonline.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 Pgonline.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

pgonline.co.uk

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