3.1 sec in total
396 ms
2.4 sec
279 ms
Visit subseauk.org now to see the best up-to-date Subsea UK content and also check out these interesting facts you probably never knew about subseauk.org
The Global Underwater Hub is the leading trade and industry development body for the UKs underwater sectors.
Visit subseauk.orgWe analyzed Subseauk.org page load time and found that the first response time was 396 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
subseauk.org performance score
name
value
score
weighting
Value5.5 s
6/100
10%
Value14.2 s
0/100
25%
Value8.4 s
18/100
10%
Value1,000 ms
27/100
30%
Value0.492
17/100
15%
Value11.1 s
20/100
10%
396 ms
469 ms
259 ms
175 ms
368 ms
Our browser made a total of 63 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Subseauk.org, 95% (60 requests) were made to Subseauk.com and 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (939 ms) relates to the external source Subseauk.com.
Page size can be reduced by 439.9 kB (21%)
2.1 MB
1.7 MB
In fact, the total size of Subseauk.org 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. 40% of websites need less resources to load. Images take 1.6 MB which makes up the majority of the site volume.
Potential reduce by 19.9 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 19.9 kB or 77% of the original size.
Potential reduce by 60.0 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. Subsea UK images are well optimized though.
Potential reduce by 274.5 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 274.5 kB or 71% of the original size.
Potential reduce by 85.5 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. Subseauk.org needs all CSS files to be minified and compressed as it can save up to 85.5 kB or 85% of the original size.
Number of requests can be reduced by 23 (38%)
61
38
The browser has sent 61 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Subsea UK. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
subseauk.org
396 ms
www.subseauk.com
469 ms
defaultnew.css
259 ms
style.css
175 ms
jquery-1.8.3.min.js
368 ms
superfish.js
188 ms
jquery.hoverIntent.js
200 ms
jquery.easing.1.3.js
257 ms
jQueryRotateCompressed.2.2.js
265 ms
functions.js
282 ms
di-subsea-animation.js
297 ms
shared.js
343 ms
jwplayer.js
444 ms
jquery.fancybox-1.3.4.css
360 ms
jquery.fancybox-1.3.4.pack.js
386 ms
jquery.cycle.js
498 ms
jquery.vticker-min.js
431 ms
analytics.js
7 ms
collect
20 ms
page-bg.gif
88 ms
logo-subseauk.gif
96 ms
icon-rss.gif
100 ms
icon-twitter.gif
90 ms
icon-facebook.gif
93 ms
icon-linkedin.gif
88 ms
logo-subsea-expo.jpg
175 ms
logo-subseaintel.gif
172 ms
logo-rgu.gif
174 ms
logo-nsri.gif
183 ms
nav-bg.gif
188 ms
icon-home.gif
197 ms
nav-sep.gif
256 ms
navsub-bg.gif
258 ms
icon-search.gif
259 ms
btn-search.gif
273 ms
icon-members.gif
280 ms
btn-login.gif
294 ms
SubseaIntelRS2.jpg
681 ms
DOF_Subsea_1.jpg
858 ms
hslidertxt-bg.png
345 ms
img-home1.jpg
454 ms
NCS_Survey-hp1.jpg
654 ms
Fugro-hp1.JPG
690 ms
Oceaneering-hp1.JPG
865 ms
PSL-hp1.JPG
727 ms
hicon4.gif
768 ms
hicon1.gif
768 ms
hicon2.gif
789 ms
hicon3.gif
818 ms
hicon5.gif
861 ms
icon-news-new-appointment-60px.png
853 ms
icon-news-survey60.png
888 ms
icon-news-technology-hardware-60px.png
908 ms
hnews-up.jpg
938 ms
hnews-rollover.jpg
939 ms
spacer.gif
874 ms
hevents-up.jpg
869 ms
hevents-rollover.jpg
905 ms
habout-up.jpg
915 ms
habout-rollover.jpg
937 ms
hdirectory-up.jpg
935 ms
hdirectory-rollover.jpg
872 ms
print.css
91 ms
subseauk.org 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
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
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
Form elements do not have associated labels
Links do not have a discernible name
subseauk.org 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
Page has valid source maps
subseauk.org 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
N/A
N/A
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Subseauk.org can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Subseauk.org main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
subseauk.org
Open Graph description is not detected on the main page of Subsea UK. 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: