4 sec in total
711 ms
3.1 sec
185 ms
Welcome to shelleycollege.org homepage info - get ready to check Shelley College best content for United Kingdom right away, or after learning these important things about shelleycollege.org
Shelley College secondary school and sixth form college.
Visit shelleycollege.orgWe analyzed Shelleycollege.org page load time and found that the first response time was 711 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
shelleycollege.org performance score
name
value
score
weighting
Value5.8 s
4/100
10%
Value8.2 s
2/100
25%
Value7.4 s
28/100
10%
Value60 ms
100/100
30%
Value0.01
100/100
15%
Value7.0 s
53/100
10%
711 ms
223 ms
221 ms
232 ms
237 ms
Our browser made a total of 53 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Shelleycollege.org, 4% (2 requests) were made to Google-analytics.com and 4% (2 requests) were made to S.ytimg.com. The less responsive or slowest element that took the longest time to load (1.5 sec) relates to the external source Home.shelleycollege.org.
Page size can be reduced by 467.8 kB (32%)
1.4 MB
975.3 kB
In fact, the total size of Shelleycollege.org main page is 1.4 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. 55% of websites need less resources to load. Images take 911.7 kB which makes up the majority of the site volume.
Potential reduce by 18.2 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 18.2 kB or 78% of the original size.
Potential reduce by 77.2 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. Shelley College images are well optimized though.
Potential reduce by 169.8 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 169.8 kB or 64% of the original size.
Potential reduce by 202.6 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. Shelleycollege.org needs all CSS files to be minified and compressed as it can save up to 202.6 kB or 83% of the original size.
Number of requests can be reduced by 20 (43%)
47
27
The browser has sent 47 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Shelley College. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.
home.shelleycollege.org
711 ms
reset.css
223 ms
forms.css
221 ms
layout.css
232 ms
responsive.css
237 ms
bootstrap.css
238 ms
fancybox.css
303 ms
daterangepicker.css
427 ms
jquery.js
570 ms
forms.js
457 ms
moment.min.js
457 ms
cycle.js
465 ms
fancybox.js
517 ms
simplyscroll.js
635 ms
bootstrap.js
654 ms
daterangepicker.js
672 ms
common.js
674 ms
analytics.js
101 ms
1mmPu-6DMLQ
206 ms
logo.png
199 ms
shelleycollege.jpg
509 ms
bar-shelleycollege.png
218 ms
secondary.jpg
619 ms
bar-secondary.png
323 ms
sixthform.jpg
543 ms
bar-sixthform.png
414 ms
gla.jpg
845 ms
bar-gla.png
625 ms
icon-arrows.png
625 ms
exam-success.jpg
1010 ms
sixthform-prospectus.jpg
935 ms
noimg.jpg
1011 ms
icon-twitter.png
828 ms
investors-in-people.jpg
839 ms
ofsted-2013.jpg
1035 ms
national-teaching-school.jpg
1041 ms
green-light-alliance.jpg
1039 ms
footer-logo-255.png
1234 ms
ceop.gif
1204 ms
pe-logo2.png
1206 ms
dep-education.jpg
1336 ms
widgets.js
120 ms
dosis-xtr.woff
1281 ms
dosis-bld.woff
1284 ms
dosis-med.woff
1424 ms
dosis-reg.woff
1447 ms
dosis-lht.woff
1450 ms
footer-bar.png
1468 ms
collect
94 ms
www-embed-player-vflfNyN_r.css
31 ms
www-embed-player.js
52 ms
Tqng9ngJVK4Gqvh3e602hP-HqlN49KFEUSDtmrOPmWo.js
34 ms
ad_status.js
29 ms
shelleycollege.org accessibility score
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
Buttons do not have an accessible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
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
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
List items (<li>) are not contained within <ul> or <ol> parent elements.
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
shelleycollege.org best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
shelleycollege.org SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
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
Document uses legible font sizes
Tap targets are not sized appropriately
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Shelleycollege.org 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 Shelleycollege.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.
shelleycollege.org
Open Graph description is not detected on the main page of Shelley College. 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: