3.4 sec in total
275 ms
2.7 sec
391 ms
Click here to check amazing Learn Java Script content for Hungary. Otherwise, check out these important facts you probably never knew about learnjavascript.co.uk
Free Lessons on all aspects of JavaScript and jQuery from novice to pro including comprehensive reference sections.
Visit learnjavascript.co.ukWe analyzed Learnjavascript.co.uk page load time and found that the first response time was 275 ms and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
learnjavascript.co.uk performance score
name
value
score
weighting
Value1.9 s
87/100
10%
Value2.3 s
93/100
25%
Value8.1 s
21/100
10%
Value5,990 ms
0/100
30%
Value0.02
100/100
15%
Value14.2 s
9/100
10%
275 ms
4 ms
113 ms
191 ms
176 ms
Our browser made a total of 190 requests to load all elements on the main page. We found that 8% of them (16 requests) were addressed to the original Learnjavascript.co.uk, 5% (10 requests) were made to Static.xx.fbcdn.net and 5% (9 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (378 ms) relates to the external source Securepubads.g.doubleclick.net.
Page size can be reduced by 727.2 kB (53%)
1.4 MB
636.7 kB
In fact, the total size of Learnjavascript.co.uk main page is 1.4 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Javascripts take 1.0 MB which makes up the majority of the site volume.
Potential reduce by 88.5 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 88.5 kB or 78% of the original size.
Potential reduce by 10.1 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. Learn Java Script images are well optimized though.
Potential reduce by 622.8 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 622.8 kB or 62% of the original size.
Potential reduce by 5.9 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. Learnjavascript.co.uk needs all CSS files to be minified and compressed as it can save up to 5.9 kB or 51% of the original size.
Number of requests can be reduced by 122 (71%)
172
50
The browser has sent 172 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Learn Java Script. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 69 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
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learnjavascript.co.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
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
<frame> or <iframe> elements do not have a title
learnjavascript.co.uk best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Browser errors were logged to the console
learnjavascript.co.uk SEO score
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
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Learnjavascript.co.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 Learnjavascript.co.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.
learnjavascript.co.uk
Open Graph description is not detected on the main page of Learn Java Script. 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: