3.4 sec in total
253 ms
2.4 sec
747 ms
Welcome to stjohnambulancejersey.com homepage info - get ready to check St John Ambulance Jersey best content right away, or after learning these important things about stjohnambulancejersey.com
Our volunteers provide first aid keeping people safe at most island public events, and we work at times of crisis to support the States of Jersey Ambulance
Visit stjohnambulancejersey.comWe analyzed Stjohnambulancejersey.com page load time and found that the first response time was 253 ms and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
stjohnambulancejersey.com performance score
name
value
score
weighting
Value3.9 s
24/100
10%
Value13.8 s
0/100
25%
Value8.0 s
22/100
10%
Value490 ms
59/100
30%
Value0.002
100/100
15%
Value12.8 s
13/100
10%
253 ms
711 ms
60 ms
59 ms
65 ms
Our browser made a total of 57 requests to load all elements on the main page. We found that 67% of them (38 requests) were addressed to the original Stjohnambulancejersey.com, 12% (7 requests) were made to Unpkg.com and 7% (4 requests) were made to Cdnjs.cloudflare.com. The less responsive or slowest element that took the longest time to load (777 ms) belongs to the original domain Stjohnambulancejersey.com.
Page size can be reduced by 927.2 kB (50%)
1.8 MB
913.2 kB
In fact, the total size of Stjohnambulancejersey.com main page is 1.8 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. 60% of websites need less resources to load. Javascripts take 760.7 kB which makes up the majority of the site volume.
Potential reduce by 30.3 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 30.3 kB or 78% of the original size.
Potential reduce by 15.9 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. St John Ambulance Jersey images are well optimized though.
Potential reduce by 556.8 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 556.8 kB or 73% of the original size.
Potential reduce by 324.1 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. Stjohnambulancejersey.com needs all CSS files to be minified and compressed as it can save up to 324.1 kB or 88% of the original size.
Number of requests can be reduced by 22 (45%)
49
27
The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of St John Ambulance Jersey. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and as a result speed up the page load time.
stjohnambulancejersey.com
253 ms
stjohnambulancejersey.com
711 ms
cookieconsent.min.css
60 ms
cookieconsent.min.js
59 ms
aos.css
65 ms
styles.min.css
657 ms
jquery-3.3.1.min.js
48 ms
vuejs-datepicker
74 ms
core-vue.min.js
585 ms
axios.min.js
61 ms
TweenMax.min.js
64 ms
swiper.min.js
777 ms
lazyload.min.js
257 ms
uikit.min.js
502 ms
aos.js
80 ms
main.min.js
335 ms
webintegration.js
542 ms
jquery-ui.js
60 ms
rxp-js.js
419 ms
aos.css
18 ms
vuejs-datepicker@1.6.2
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aos.js
16 ms
vuejs-datepicker.min.js
15 ms
gtm.js
311 ms
fbevents.js
297 ms
header-border.svg
263 ms
st-john-ambulance-logo.svg
259 ms
enter.svg
261 ms
search-icon.svg
265 ms
DSC06236_bc9e4c42e52fd22ff41eda620350ec20.jpg
469 ms
diagonal-pattern.svg
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humanity-icon-small.jpg
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excellence-icon.jpg
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accountability-icon.jpg
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responsiveness-icon.jpg
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teamwork-icon.jpg
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private-courses_809b68a152cf6fd5f0817daf0c8d7f66.jpg
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workplace_809b68a152cf6fd5f0817daf0c8d7f66.jpg
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handy-wicaksono-brizG9kR6qI-unsplash_809b68a152cf6fd5f0817daf0c8d7f66.jpg
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Whitney-Book.woff
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Whitney-Bold.woff
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facebook-light.svg
151 ms
instagram-light.svg
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twitter-light.svg
220 ms
call.svg
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email.svg
224 ms
st-john-ambulance-logo-white.svg
231 ms
diagonal-pattern-left.svg
226 ms
facebook-white.svg
294 ms
linkedin.svg
313 ms
twitter-white.svg
311 ms
DSC06126_2023-06-29-131433_01c4e1f73afb6fb065861393a3b3d571.jpg
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analytics.js
47 ms
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stjohnambulancejersey.com accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
ARIA IDs are not unique
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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.
stjohnambulancejersey.com 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
Page has valid source maps
stjohnambulancejersey.com 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
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Stjohnambulancejersey.com 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 Stjohnambulancejersey.com 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.
stjohnambulancejersey.com
Open Graph data is detected on the main page of St John Ambulance Jersey. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: