2.3 sec in total
257 ms
1.9 sec
198 ms
Click here to check amazing Alder Hey content for United Kingdom. Otherwise, check out these important facts you probably never knew about alderhey.nhs.uk
The official Alder Hey Children's NHS Foundation Trust website. Find out about our services, how to get here and much more.
Visit alderhey.nhs.ukWe analyzed Alderhey.nhs.uk page load time and found that the first response time was 257 ms and then it took 2.1 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.
alderhey.nhs.uk performance score
name
value
score
weighting
Value5.8 s
4/100
10%
Value6.1 s
12/100
25%
Value39.8 s
0/100
10%
Value42,050 ms
0/100
30%
Value0.181
67/100
15%
Value59.7 s
0/100
10%
257 ms
785 ms
84 ms
164 ms
161 ms
Our browser made a total of 53 requests to load all elements on the main page. We found that 72% of them (38 requests) were addressed to the original Alderhey.nhs.uk, 15% (8 requests) were made to Cqc.org.uk and 6% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (785 ms) belongs to the original domain Alderhey.nhs.uk.
Page size can be reduced by 268.6 kB (34%)
800.6 kB
532.1 kB
In fact, the total size of Alderhey.nhs.uk main page is 800.6 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 40% of websites need less resources to load. Images take 425.9 kB which makes up the majority of the site volume.
Potential reduce by 31.4 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. This page needs HTML code to be minified as it can gain 7.8 kB, which is 20% 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 31.4 kB or 80% of the original size.
Potential reduce by 9.7 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. Alder Hey images are well optimized though.
Potential reduce by 160.4 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 160.4 kB or 63% of the original size.
Potential reduce by 67.0 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. Alderhey.nhs.uk needs all CSS files to be minified and compressed as it can save up to 67.0 kB or 83% of the original size.
Number of requests can be reduced by 32 (63%)
51
19
The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Alder Hey. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 27 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.
alderhey.nhs.uk
257 ms
www.alderhey.nhs.uk
785 ms
wp-emoji-release.min.js
84 ms
rating.css
164 ms
cookies.css
161 ms
base.css
162 ms
skeleton.css
163 ms
style.css
168 ms
jquery.min.js
33 ms
jquery.cookies.js
238 ms
jquery.ajaxContentRequest.js
240 ms
jquery.visualChanges.js
239 ms
jquery.jcycle.js
242 ms
jquery.config.js
246 ms
jquery.searchResults.js
247 ms
jquery.youtubeVideos.js
318 ms
jscripts.php
320 ms
widget.js
264 ms
core.min.js
318 ms
widget.min.js
337 ms
mouse.min.js
338 ms
resizable.min.js
338 ms
draggable.min.js
398 ms
button.min.js
400 ms
position.min.js
399 ms
dialog.min.js
402 ms
jquery.rating.pack.js
419 ms
frontend.js
419 ms
jscripts-ftr-min.js
476 ms
wp-embed.min.js
481 ms
bg.jpg
164 ms
charity_logo.jpg
292 ms
Jay-Trivedi-with-3D-spine-model-110x85.jpg
290 ms
Alder-Hey-in-the-Park-110x85.jpg
290 ms
analytics.js
18 ms
pngSprites.png
465 ms
park_banner.jpg
465 ms
bvb_banner.jpg
463 ms
media-home-banner.jpg
484 ms
iconSprite.png
407 ms
shadowSprites.png
309 ms
cleanslate.css
30 ms
cqc-widget-styles.css
52 ms
location
371 ms
collect
14 ms
widget-bg-bottom-left.png
29 ms
gtm.js
125 ms
beacon
89 ms
collect
12 ms
asset_cqclogo_update.png
29 ms
widget-bg-top-right.png
27 ms
icon-button-providers.png
28 ms
roundtrip.js
16 ms
alderhey.nhs.uk 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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
Image elements do not have [alt] attributes
Links do not have a discernible name
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.
alderhey.nhs.uk 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
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
alderhey.nhs.uk SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
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
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 Alderhey.nhs.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 Alderhey.nhs.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.
alderhey.nhs.uk
Open Graph description is not detected on the main page of Alder Hey. 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: