6.3 sec in total
1.5 sec
4.4 sec
436 ms
Click here to check amazing Underwater Vision content. Otherwise, check out these important facts you probably never knew about underwatervision.co.uk
Underwater Vision was established in 2008 with the objective of providing a cost effective, safe, and reliable underwater inspection service using Remote Operated Vehicles (ROV).
Visit underwatervision.co.ukWe analyzed Underwatervision.co.uk page load time and found that the first response time was 1.5 sec and then it took 4.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
underwatervision.co.uk performance score
name
value
score
weighting
Value6.5 s
2/100
10%
Value13.2 s
0/100
25%
Value13.0 s
2/100
10%
Value490 ms
59/100
30%
Value0.025
100/100
15%
Value12.4 s
15/100
10%
1517 ms
86 ms
168 ms
171 ms
179 ms
Our browser made a total of 116 requests to load all elements on the main page. We found that 71% of them (82 requests) were addressed to the original Underwatervision.co.uk, 14% (16 requests) were made to Maps.googleapis.com and 5% (6 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Underwatervision.co.uk.
Page size can be reduced by 1.5 MB (53%)
2.9 MB
1.4 MB
In fact, the total size of Underwatervision.co.uk main page is 2.9 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. 75% 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 1.2 MB which makes up the majority of the site volume.
Potential reduce by 66.4 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 66.4 kB or 82% of the original size.
Potential reduce by 4.8 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. Underwater Vision images are well optimized though.
Potential reduce by 830.4 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 830.4 kB or 71% of the original size.
Potential reduce by 611.0 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. Underwatervision.co.uk needs all CSS files to be minified and compressed as it can save up to 611.0 kB or 89% of the original size.
Number of requests can be reduced by 59 (55%)
108
49
The browser has sent 108 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Underwater Vision. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 38 to 1 for JavaScripts and from 23 to 1 for CSS and as a result speed up the page load time.
www.underwatervision.co.uk
1517 ms
Defaults.css
86 ms
styles.css
168 ms
settings.css
171 ms
js_composer.css
179 ms
jsn-gui-frontend.css
169 ms
front_end.css
176 ms
front_end_responsive.css
250 ms
slick.css
247 ms
icons.css
250 ms
animate.min.css
252 ms
css
32 ms
style.css
343 ms
jquery.js
341 ms
jquery-migrate.min.js
327 ms
jquery.themepunch.tools.min.js
416 ms
jquery.themepunch.revolution.min.js
417 ms
js
47 ms
slick.js
337 ms
custom.js
408 ms
modernizr.custom.min.js
419 ms
animate.css
427 ms
style.css
428 ms
interactive-styles.css
490 ms
vc_carousel.css
497 ms
background-style.css
498 ms
jquery.form.min.js
501 ms
scripts.js
510 ms
scrollReveal.js
512 ms
stellar.js
571 ms
bootstrap.min.js
581 ms
jquery.sticky.js
580 ms
scripts.min.js
585 ms
jquery.fitvids.js
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fitvid.js
595 ms
js_composer_front.js
653 ms
waypoints.min.js
665 ms
jquery.appear.js
663 ms
31352.js
58 ms
custom.js
600 ms
transition.js
521 ms
vc_carousel.js
527 ms
jsn-fonticomoon.css
579 ms
icomoon.css
582 ms
ultimate_bg.js
585 ms
jparallax.js
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jquery.vhparallax.js
521 ms
combined.css
433 ms
font-awesome.min.css
483 ms
animate.css
502 ms
analytics.js
122 ms
black-linen.png
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logouw2.png
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blank.gif
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BeFunky_01uw.jpg.jpg
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servicesuw.jpg
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ndt.jpg
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enviromentaluw.jpg
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powerstationsuw.jpg
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pipelineuw.jpg
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dockandharbour.jpg
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windfarm.jpg
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clients_01.jpg
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clients_02.jpg
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clients_06.jpg
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clients_07.jpg
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yorkshirewater.jpg
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toyota.jpg
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southernwater.jpg
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btu.jpg
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balforbeatty.jpg
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skanska.jpg
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shell.jpg
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UyYrYy3ltEffJV9QueSi4UpeNX8RPf6i6WQfJWyCWEs.ttf
75 ms
Q_pTky3Sc3ubRibGToTAYjnFfol0SnfBMmbnmUK0fZM.ttf
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fontawesome-webfont.woff
74 ms
collect
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common.js
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map.js
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util.js
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marker.js
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loader.gif
536 ms
bullet.png
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large_left.png
601 ms
large_right.png
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ajax-loader.gif
605 ms
StaticMapService.GetMapImage
105 ms
onion.js
17 ms
ViewportInfoService.GetViewportInfo
39 ms
stats.js
35 ms
controls.js
32 ms
transparent.png
117 ms
css
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google4.png
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mapcnt6.png
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sv5.png
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spotlight-poi.png
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vt
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tmapctrl4.png
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d-6IYplOFocCacKzxwXSOKCWcynf_cDxXwCLxiixG1c.ttf
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AuthenticationService.Authenticate
204 ms
underwatervision.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
Buttons do not have an accessible name
Image elements do not have [alt] attributes
Links do not have a discernible name
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
underwatervision.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
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
underwatervision.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
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
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Underwatervision.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 Underwatervision.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.
underwatervision.co.uk
Open Graph data is detected on the main page of Underwater Vision. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: