2.1 sec in total
709 ms
1.2 sec
107 ms
Welcome to itunes.ucl.ac.uk homepage info - get ready to check Itunes UCL best content for United Kingdom right away, or after learning these important things about itunes.ucl.ac.uk
Details of how to obtain content from UCL's iTunes U site
Visit itunes.ucl.ac.ukWe analyzed Itunes.ucl.ac.uk page load time and found that the first response time was 709 ms and then it took 1.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.
itunes.ucl.ac.uk performance score
name
value
score
weighting
Value4.6 s
14/100
10%
Value12.0 s
0/100
25%
Value10.8 s
6/100
10%
Value230 ms
87/100
30%
Value0.066
97/100
15%
Value15.7 s
6/100
10%
709 ms
90 ms
100 ms
97 ms
30 ms
Our browser made a total of 55 requests to load all elements on the main page. We found that 7% of them (4 requests) were addressed to the original Itunes.ucl.ac.uk, 84% (46 requests) were made to Cdn.ucl.ac.uk and 7% (4 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (709 ms) belongs to the original domain Itunes.ucl.ac.uk.
Page size can be reduced by 144.2 kB (64%)
224.6 kB
80.4 kB
In fact, the total size of Itunes.ucl.ac.uk main page is 224.6 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. 25% of websites need less resources to load. CSS take 131.8 kB which makes up the majority of the site volume.
Potential reduce by 16.1 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 9.3 kB, which is 49% 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 16.1 kB or 84% of the original size.
Potential reduce by 21 B
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. Itunes UCL images are well optimized though.
Potential reduce by 18.1 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 18.1 kB or 43% of the original size.
Potential reduce by 110.0 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. Itunes.ucl.ac.uk needs all CSS files to be minified and compressed as it can save up to 110.0 kB or 83% of the original size.
Number of requests can be reduced by 47 (87%)
54
7
The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Itunes UCL. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 33 to 1 for CSS and as a result speed up the page load time.
itunes.ucl.ac.uk
709 ms
ucl_default_2col_layout.css
90 ms
corp-identity-dark-grey.css
100 ms
ticker.js
97 ms
jquery.min.js
30 ms
ui.core.min.js
96 ms
fontsizer.jquery.js
95 ms
jquery.cookie.min.js
95 ms
ucl.alert.js
96 ms
jquery.doc.ready.js
26 ms
local-styles.css
301 ms
uclSearch.css
25 ms
base.css
12 ms
nav_vlist.css
13 ms
basemod.css
14 ms
basemod_gfxborder.css
14 ms
basemod_2col_left_13.css
15 ms
basemod_2col_column_divider.css
15 ms
content.css
15 ms
ui.all.css
18 ms
ucl_mods.css
16 ms
ucl_header.css
16 ms
ucl_breadcrumb_row.css
18 ms
ucl_2col_textresizer.css
17 ms
ucl_footer.css
18 ms
ucl_silva_doc_styling.css
22 ms
ucl_branding.css
19 ms
ucl_gallery.css
18 ms
print_003_draft.css
21 ms
ui.base.css
8 ms
ui.theme.css
11 ms
print_base.css
5 ms
ui.core.css
4 ms
ui.accordion.css
6 ms
ui.datepicker.css
6 ms
ui.dialog.css
6 ms
ui.progressbar.css
7 ms
ui.resizable.css
7 ms
ui.slider.css
7 ms
ui.tabs.css
8 ms
print.css
2 ms
ga.js
36 ms
search.png
33 ms
printlogo.gif
6 ms
corp-identity-dark-grey.gif
35 ms
wht_rt.gif
33 ms
bullet_circle_dk_grey.gif
34 ms
bullet_dk_grey.gif
33 ms
edit.gif
35 ms
corner_br_black.gif
35 ms
ituneswelcome_2.jpg
294 ms
launch_button.png
217 ms
__utm.gif
24 ms
__utm.gif
36 ms
__utm.gif
9 ms
itunes.ucl.ac.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
itunes.ucl.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
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
itunes.ucl.ac.uk SEO score
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
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Itunes.ucl.ac.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 Itunes.ucl.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.
itunes.ucl.ac.uk
Open Graph description is not detected on the main page of Itunes UCL. 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: