3.7 sec in total
64 ms
3.1 sec
535 ms
Click here to check amazing Liysf content. Otherwise, check out these important facts you probably never knew about liysf.org.uk
London International Youth Science Forum CIC (LIYSF CIC) is a STEM summer camp in the UK that offers a two-week STEM Programme held at Imperial College, London covering a wide range of lectures by ren...
Visit liysf.org.ukWe analyzed Liysf.org.uk page load time and found that the first response time was 64 ms and then it took 3.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
liysf.org.uk performance score
name
value
score
weighting
Value4.1 s
20/100
10%
Value6.7 s
8/100
25%
Value11.9 s
4/100
10%
Value3,510 ms
1/100
30%
Value0.01
100/100
15%
Value14.9 s
8/100
10%
64 ms
1069 ms
15 ms
11 ms
80 ms
Our browser made a total of 59 requests to load all elements on the main page. We found that 63% of them (37 requests) were addressed to the original Liysf.org.uk, 32% (19 requests) were made to and 2% (1 request) were made to Cdn-cookieyes.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Liysf.org.uk.
Page size can be reduced by 86.5 kB (15%)
573.3 kB
486.8 kB
In fact, the total size of Liysf.org.uk main page is 573.3 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. 45% of websites need less resources to load. Javascripts take 303.0 kB which makes up the majority of the site volume.
Potential reduce by 85.9 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 85.9 kB or 75% of the original size.
Potential reduce by 0 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. Liysf images are well optimized though.
Potential reduce by 698 B
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. This website has mostly compressed JavaScripts.
Number of requests can be reduced by 35 (92%)
38
3
The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Liysf. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 36 to 1 for JavaScripts and as a result speed up the page load time.
liysf.org.uk
64 ms
www.liysf.org.uk
1069 ms
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cc5c7a6842c91cf9d1e635f44d093d9e.js
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api.js
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6d813ae80188b6847d9a4b7a444fdfdd.js
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a15b40367608ce76fbb91a5d1e2a79ba.js
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39c4b90cb1a31c1a16018d71d62de493.js
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71fa9bd5b75e57eea2c06a903416e7be.js
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gtm.js
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L1050004-scaled3.jpg
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About-Our-Programme-Background.jpg
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liysf.org.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
Links do not have a discernible name
liysf.org.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
liysf.org.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
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 Liysf.org.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 Liysf.org.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.
liysf.org.uk
Open Graph data is detected on the main page of Liysf. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: