4 sec in total
333 ms
3.4 sec
228 ms
Click here to check amazing Alt content for United Kingdom. Otherwise, check out these important facts you probably never knew about alt.ac.uk
Visit alt.ac.ukWe analyzed Alt.ac.uk page load time and found that the first response time was 333 ms and then it took 3.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
alt.ac.uk performance score
name
value
score
weighting
Value6.6 s
2/100
10%
Value8.4 s
2/100
25%
Value10.0 s
9/100
10%
Value840 ms
34/100
30%
Value0.364
29/100
15%
Value15.1 s
7/100
10%
333 ms
1718 ms
86 ms
172 ms
254 ms
Our browser made a total of 80 requests to load all elements on the main page. We found that 75% of them (60 requests) were addressed to the original Alt.ac.uk, 6% (5 requests) were made to Google.com and 3% (2 requests) were made to Maxcdn.bootstrapcdn.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Alt.ac.uk.
Page size can be reduced by 323.1 kB (62%)
520.1 kB
197.0 kB
In fact, the total size of Alt.ac.uk main page is 520.1 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. CSS take 200.6 kB which makes up the majority of the site volume.
Potential reduce by 36.8 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 36.8 kB or 79% of the original size.
Potential reduce by 10.4 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. Obviously, Alt needs image optimization as it can save up to 10.4 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 111.2 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 111.2 kB or 64% of the original size.
Potential reduce by 164.7 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. Alt.ac.uk needs all CSS files to be minified and compressed as it can save up to 164.7 kB or 82% of the original size.
Number of requests can be reduced by 41 (55%)
74
33
The browser has sent 74 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Alt. 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 from 25 to 1 for CSS and as a result speed up the page load time.
alt.ac.uk
333 ms
www.alt.ac.uk
1718 ms
system.base.css
86 ms
system.messages.css
172 ms
aggregator.css
254 ms
date.css
252 ms
datepicker.1.7.css
255 ms
field.css
253 ms
node.css
254 ms
search.css
254 ms
user.css
332 ms
views.css
333 ms
ctools.css
333 ms
eu_cookie_compliance.css
333 ms
tagclouds.css
333 ms
jcarousel-default.css
333 ms
civicrm.css
537 ms
extras.css
411 ms
widgets.css
411 ms
font-awesome.css
42 ms
css
58 ms
normalize.css
409 ms
styles.css
415 ms
alt-styles.css
411 ms
hacks.css
487 ms
jquery.js
657 ms
jquery.once.js
487 ms
drupal.js
491 ms
custom_search.js
492 ms
jquery.jcarousel.min.js
567 ms
jcarousel.js
568 ms
site.min.js
571 ms
alt.js
573 ms
jsapi
53 ms
eu_cookie_compliance.js
604 ms
alt-logo_0_0.png
100 ms
member_0_1_0.JPG
99 ms
alt-annual-survey-2015.jpg
100 ms
Open%20Education%20Week.jpg
100 ms
CB_ALT_080915_196_sml.jpg
181 ms
logo-blackboard-learn.jpg
99 ms
Meetoo_Powered_By_Lumi%20%282%29.jpg
280 ms
logo-collaborate.jpg
281 ms
Echo360.jpg
281 ms
logo-sfa.jpg
279 ms
logo-positive-internet.jpg
280 ms
logo-panopto.jpg
313 ms
logo-sqa.jpg
311 ms
Brightspace_Prefered%20CMYK-1v4.jpg
312 ms
Canvas_color%20%282%29.jpg
312 ms
logo-edmix.jpg
311 ms
logo-realize.jpg
312 ms
logo-mediasite.jpg
400 ms
Talis%20Logo%20-%20ALT%20-%20GIF%20240x240.gif
398 ms
logo-bis.jpg
393 ms
logo-techsmith.jpg
393 ms
logo-blackboard-collaborate.jpg
394 ms
logo-mediacore.jpg
395 ms
logo-ulcc.jpg
482 ms
2013_Jisc_Logo_RGB150%28big%29.jpg
481 ms
logo-intel.jpg
480 ms
gtm.js
161 ms
32 ms
cJZKeOuBrn4kERxqtaUH3T8E0i7KZn-EPnyo3HZu7kw.woff
78 ms
default+en.css
4 ms
default.css
19 ms
default+en.I.js
19 ms
default.css
45 ms
theme-sprite.png
333 ms
theme-sprite.png
332 ms
fontawesome-webfont.woff
114 ms
2UX7WLTfW3W8TclTUvlFyQ.woff
112 ms
widgets.js
155 ms
analytics.js
193 ms
fql
282 ms
share
130 ms
timeline.d11f7a3b3287fb94220e8ee6d03cc772.js
12 ms
syndication
117 ms
537954816535040000
284 ms
collect
57 ms
alt.ac.uk accessibility score
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
[role] values are not valid
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
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
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
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.
alt.ac.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
alt.ac.uk 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
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Alt.ac.uk can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Alt.ac.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.
alt.ac.uk
Open Graph description is not detected on the main page of Alt. 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: