2.5 sec in total
360 ms
2 sec
210 ms
Visit janssen.co.uk now to see the best up-to-date Janssen content and also check out these interesting facts you probably never knew about janssen.co.uk
Welcome to Janssen UK . Find out how Janssen is committed to bringing medicines to the patients who need them.
Visit janssen.co.ukWe analyzed Janssen.co.uk page load time and found that the first response time was 360 ms and then it took 2.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.
janssen.co.uk performance score
name
value
score
weighting
Value3.9 s
25/100
10%
Value10.9 s
0/100
25%
Value4.5 s
72/100
10%
Value260 ms
82/100
30%
Value0.617
10/100
15%
Value5.5 s
71/100
10%
360 ms
278 ms
491 ms
37 ms
114 ms
Our browser made a total of 28 requests to load all elements on the main page. We found that 86% of them (24 requests) were addressed to the original Janssen.co.uk, 7% (2 requests) were made to Admin.brightcove.com and 7% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Janssen.co.uk.
Page size can be reduced by 468.2 kB (49%)
965.1 kB
496.9 kB
In fact, the total size of Janssen.co.uk main page is 965.1 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. 35% of websites need less resources to load. Javascripts take 406.5 kB which makes up the majority of the site volume.
Potential reduce by 70.8 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 70.8 kB or 81% of the original size.
Potential reduce by 7.5 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. Janssen images are well optimized though.
Potential reduce by 309.1 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 309.1 kB or 76% of the original size.
Potential reduce by 80.9 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. Janssen.co.uk needs all CSS files to be minified and compressed as it can save up to 80.9 kB or 81% of the original size.
Number of requests can be reduced by 10 (38%)
26
16
The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Janssen. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.
janssen.co.uk
360 ms
css_8318a6fe97bb3c6aefa2c5975b17e6b8.css
278 ms
js_88d1b742157cbe19d467f4aad6d33e27.js
491 ms
BrightcoveExperiences.js
37 ms
js_c4dffab38a2b601bfd2891f6c6170132.js
114 ms
pageBg.jpg
167 ms
blackdot.gif
164 ms
janssen_uk_logo.jpg
166 ms
icon_txt_small.gif
205 ms
icon_txt_medium.gif
205 ms
icon_txt_large.gif
206 ms
searchButton.jpg
976 ms
welcome-banner-bg.png
881 ms
twitter_banner.gif
207 ms
animatedbanner2_lab.jpg
270 ms
animatedbanner2_lives.jpg
1063 ms
animatedbanner2_hope.jpg
285 ms
animatedbanner2_race.jpg
1183 ms
animatedbanner2_transforming.jpg
359 ms
warning.png
386 ms
underNavBg.jpg
436 ms
arrow-down.png
517 ms
upgrade_flash_player2.gif
4 ms
footer.jpg
596 ms
footer-link-seperator.png
591 ms
ga.js
122 ms
close-button-small.png
562 ms
__utm.gif
120 ms
janssen.co.uk accessibility score
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
Image elements do not have [alt] attributes
Links do not have a discernible name
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
janssen.co.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
janssen.co.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
Image elements do not have [alt] attributes
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 Janssen.co.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 Janssen.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.
janssen.co.uk
Open Graph description is not detected on the main page of Janssen. 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: