41.3 sec in total
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22.1 sec
307 ms
Welcome to derby-college.ac.uk homepage info - get ready to check Derby College best content for United Kingdom right away, or after learning these important things about derby-college.ac.uk
Create optimistic futures by nurturing talent that leads to aspirational destinations
Visit derby-college.ac.ukWe analyzed Derby-college.ac.uk page load time and found that the first response time was 18.9 sec and then it took 22.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.
derby-college.ac.uk performance score
name
value
score
weighting
Value4.7 s
12/100
10%
Value8.1 s
2/100
25%
Value7.3 s
29/100
10%
Value150 ms
95/100
30%
Value0.488
17/100
15%
Value7.3 s
50/100
10%
18895 ms
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619 ms
Our browser made a total of 127 requests to load all elements on the main page. We found that 91% of them (116 requests) were addressed to the original Derby-college.ac.uk, 2% (3 requests) were made to Google.com and 2% (2 requests) were made to Apis.google.com. The less responsive or slowest element that took the longest time to load (18.9 sec) belongs to the original domain Derby-college.ac.uk.
Page size can be reduced by 2.2 MB (50%)
4.4 MB
2.2 MB
In fact, the total size of Derby-college.ac.uk main page is 4.4 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. 60% of websites need less resources to load. Javascripts take 1.9 MB which makes up the majority of the site volume.
Potential reduce by 63.9 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 63.9 kB or 81% of the original size.
Potential reduce by 23.1 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. Derby College images are well optimized though.
Potential reduce by 1.3 MB
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 1.3 MB or 67% of the original size.
Potential reduce by 841.2 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. Derby-college.ac.uk needs all CSS files to be minified and compressed as it can save up to 841.2 kB or 84% of the original size.
Number of requests can be reduced by 61 (50%)
122
61
The browser has sent 122 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Derby College. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 28 to 1 for JavaScripts and from 35 to 1 for CSS and as a result speed up the page load time.
derby-college.ac.uk
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derby-college.ac.uk accessibility score
derby-college.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
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
derby-college.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 Derby-college.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 Derby-college.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.
derby-college.ac.uk
Open Graph description is not detected on the main page of Derby College. 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: