Tools & Wizards About Us
stemcymru.org.uk screenshot

Report Summary

  • 18

    Performance

    Renders faster than
    35% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 60% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 90

    SEO

    Google-friendlier than
    69% of websites

stemcymru.org.uk

The Engineering Education Scheme Wales (EESW) | EESW | STEM Cymru

Page Load Speed

4.3 sec in total

First Response

256 ms

Resources Loaded

2.8 sec

Page Rendered

1.3 sec

stemcymru.org.uk screenshot

About Website

Click here to check amazing STEM Cymru content. Otherwise, check out these important facts you probably never knew about stemcymru.org.uk

The Engineering Education Scheme Wales (EESW) is a non-profit, educational charity which has been in existence since 1989

Visit stemcymru.org.uk

Key Findings

We analyzed Stemcymru.org.uk page load time and found that the first response time was 256 ms and then it took 4.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

stemcymru.org.uk performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

22/100

10%

LCP (Largest Contentful Paint)

Value13.2 s

0/100

25%

SI (Speed Index)

Value7.7 s

25/100

10%

TBT (Total Blocking Time)

Value740 ms

40/100

30%

CLS (Cumulative Layout Shift)

Value0.897

3/100

15%

TTI (Time to Interactive)

Value16.7 s

5/100

10%

Network Requests Diagram

stemcymru.org.uk

256 ms

www.stemcymru.org.uk

735 ms

DependencyHandler.axd

309 ms

modernizr-2.8.3.min.js

352 ms

api.js

69 ms

Our browser made a total of 51 requests to load all elements on the main page. We found that 65% of them (33 requests) were addressed to the original Stemcymru.org.uk, 10% (5 requests) were made to Gstatic.com and 8% (4 requests) were made to Player.vdocipher.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Stemcymru.org.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.6 MB (24%)

Content Size

10.8 MB

After Optimization

8.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Stemcymru.org.uk main page is 10.8 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. 85% 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 10.4 MB which makes up the majority of the site volume.

HTML Optimization

-90%

Potential reduce by 69.1 kB

  • Original 77.1 kB
  • After minification 44.0 kB
  • After compression 8.0 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 33.1 kB, which is 43% 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 69.1 kB or 90% of the original size.

Image Optimization

-24%

Potential reduce by 2.5 MB

  • Original 10.4 MB
  • After minification 7.9 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. Obviously, STEM Cymru needs image optimization as it can save up to 2.5 MB or 24% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-43%

Potential reduce by 111.0 kB

  • Original 258.9 kB
  • After minification 224.5 kB
  • After compression 147.8 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 111.0 kB or 43% of the original size.

CSS Optimization

-0%

Potential reduce by 134 B

  • Original 63.8 kB
  • After minification 63.8 kB
  • After compression 63.7 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. Stemcymru.org.uk has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 14 (32%)

Requests Now

44

After Optimization

30

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of STEM Cymru. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

stemcymru.org.uk

stemcymru.org.uk

256 ms

www.stemcymru.org.uk

www.stemcymru.org.uk

735 ms

DependencyHandler.axd

DependencyHandler.axd

309 ms

modernizr-2.8.3.min.js

modernizr-2.8.3.min.js

352 ms

api.js

api.js

69 ms

js

js

349 ms

angular.min.js

angular.min.js

601 ms

AppMain.js

AppMain.js

239 ms

formController.js

formController.js

222 ms

DependencyHandler.axd

DependencyHandler.axd

238 ms

recaptcha__en.js

recaptcha__en.js

160 ms

analytics.js

analytics.js

206 ms

index.html

index.html

158 ms

logo.png

logo.png

147 ms

recruitment-banner.png

recruitment-banner.png

580 ms

introduction-to-lego-spike-prime-and-robotics-winner-announced-1.jpg

introduction-to-lego-spike-prime-and-robotics-winner-announced-1.jpg

501 ms

banner-2.png

banner-2.png

502 ms

big-bang-at-school.png

big-bang-at-school.png

1068 ms

untitled-design-14.png

untitled-design-14.png

809 ms

140619-3.jpg

140619-3.jpg

502 ms

hawarden-high-school-visit-to-raytheon.png

hawarden-high-school-visit-to-raytheon.png

1087 ms

img_5658.jpg

img_5658.jpg

1068 ms

ks2.png

ks2.png

1081 ms

ks3.png

ks3.png

1083 ms

f1inschoolswalesthumb.png

f1inschoolswalesthumb.png

1080 ms

dsc_0091.jpg

dsc_0091.jpg

1187 ms

big-bang-school-logo-black-text.png

big-bang-school-logo-black-text.png

1096 ms

gie.jpg

gie.jpg

1096 ms

bangor-ad-5.jpg

bangor-ad-5.jpg

1097 ms

eesw-2018-19.jpg

eesw-2018-19.jpg

1098 ms

tymft-1.png

tymft-1.png

1181 ms

usw-16.jpg

usw-16.jpg

1183 ms

tym-news-photo.jpg

tym-news-photo.jpg

1189 ms

ysgol-nantgwyn.jpg

ysgol-nantgwyn.jpg

1182 ms

WEFO-300x217.jpg

WEFO-300x217.jpg

1182 ms

cpdmember.jpg

cpdmember.jpg

1232 ms

collect

collect

354 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

1122 ms

Linearicons-Free.woff

Linearicons-Free.woff

1121 ms

embedIframe.js

embedIframe.js

352 ms

anchor

anchor

90 ms

vdo.js

vdo.js

17 ms

8.js

8.js

512 ms

styles__ltr.css

styles__ltr.css

13 ms

recaptcha__en.js

recaptcha__en.js

23 ms

webworker.js

webworker.js

123 ms

logo_48.png

logo_48.png

71 ms

recaptcha__en.js

recaptcha__en.js

110 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

136 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

170 ms

KFOlCnqEu92Fr1MmYUtfBBc9.ttf

KFOlCnqEu92Fr1MmYUtfBBc9.ttf

138 ms

Accessibility Review

stemcymru.org.uk accessibility score

85

Accessibility Issues

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.

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

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

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

stemcymru.org.uk best practices score

58

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

Displays images with incorrect aspect ratio

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

stemcymru.org.uk SEO score

90

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

High

Tap targets are not sized appropriately

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 Stemcymru.org.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 Stemcymru.org.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

stemcymru.org.uk

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