3 sec in total
376 ms
2.4 sec
192 ms
Welcome to vle.cam.ac.uk homepage info - get ready to check Vle Cam best content for United Kingdom right away, or after learning these important things about vle.cam.ac.uk
Visit vle.cam.ac.ukWe analyzed Vle.cam.ac.uk page load time and found that the first response time was 376 ms and then it took 2.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.
vle.cam.ac.uk performance score
name
value
score
weighting
Value6.5 s
2/100
10%
Value18.6 s
0/100
25%
Value6.9 s
33/100
10%
Value150 ms
95/100
30%
Value0.261
47/100
15%
Value17.9 s
3/100
10%
376 ms
220 ms
87 ms
444 ms
535 ms
Our browser made a total of 21 requests to load all elements on the main page. We found that 90% of them (19 requests) were addressed to the original Vle.cam.ac.uk, 10% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (708 ms) belongs to the original domain Vle.cam.ac.uk.
Page size can be reduced by 317.4 kB (15%)
2.1 MB
1.8 MB
In fact, the total size of Vle.cam.ac.uk main page is 2.1 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. 20% of websites need less resources to load. Images take 1.7 MB which makes up the majority of the site volume.
Potential reduce by 25.0 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 3.5 kB, which is 11% 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 25.0 kB or 77% of the original size.
Potential reduce by 55.7 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. Vle Cam images are well optimized though.
Potential reduce by 229.6 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 229.6 kB or 66% of the original size.
Potential reduce by 7.2 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. Vle.cam.ac.uk needs all CSS files to be minified and compressed as it can save up to 7.2 kB or 79% of the original size.
Number of requests can be reduced by 7 (37%)
19
12
The browser has sent 19 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vle Cam. 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 as a result speed up the page load time.
www.vle.cam.ac.uk
376 ms
index.php
220 ms
yui_combo.php
87 ms
yui_combo.php
444 ms
all
535 ms
javascript-static.js
322 ms
footer
244 ms
logo.png
108 ms
help
85 ms
background-1
561 ms
background-2
564 ms
background-3
556 ms
background-4
708 ms
background-5
649 ms
yui_combo.php
199 ms
analytics.js
19 ms
collect
17 ms
yui_combo.php
84 ms
yui_combo.php
86 ms
yui_combo.php
86 ms
yui_combo.php
87 ms
vle.cam.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
[aria-*] attributes do not match their roles
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
Some elements have a [tabindex] value greater than 0
vle.cam.ac.uk best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
General
Impact
Issue
Detected JavaScript libraries
Missing source maps for large first-party JavaScript
vle.cam.ac.uk SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Page is blocked from indexing
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 Vle.cam.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 Vle.cam.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.
vle.cam.ac.uk
Open Graph description is not detected on the main page of Vle Cam. 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: