4 sec in total
894 ms
2.8 sec
299 ms
Click here to check amazing Commercial Diving Services content. Otherwise, check out these important facts you probably never knew about commercialdivingservices.co.uk
Sub Aqua Diving Services provides diving support for any project including marine civil engineering, Nuclear installations and offshore renewables.
Visit commercialdivingservices.co.ukWe analyzed Commercialdivingservices.co.uk page load time and found that the first response time was 894 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.
commercialdivingservices.co.uk performance score
name
value
score
weighting
Value3.9 s
25/100
10%
Value7.0 s
6/100
25%
Value7.8 s
24/100
10%
Value280 ms
81/100
30%
Value0.752
6/100
15%
Value6.9 s
54/100
10%
894 ms
84 ms
165 ms
227 ms
229 ms
Our browser made a total of 85 requests to load all elements on the main page. We found that 81% of them (69 requests) were addressed to the original Commercialdivingservices.co.uk, 16% (14 requests) were made to Fonts.gstatic.com and 2% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (894 ms) belongs to the original domain Commercialdivingservices.co.uk.
Page size can be reduced by 44.5 kB (3%)
1.3 MB
1.2 MB
In fact, the total size of Commercialdivingservices.co.uk main page is 1.3 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. Images take 1.1 MB which makes up the majority of the site volume.
Potential reduce by 27.1 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 27.1 kB or 78% of the original size.
Potential reduce by 7.6 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. Commercial Diving Services images are well optimized though.
Potential reduce by 6.8 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. This website has mostly compressed JavaScripts.
Potential reduce by 3.0 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. Commercialdivingservices.co.uk has all CSS files already compressed.
Number of requests can be reduced by 40 (63%)
63
23
The browser has sent 63 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Commercial Diving Services. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 24 to 1 for CSS and as a result speed up the page load time.
commercialdivingservices.co.uk
894 ms
bootstrap.min.css
84 ms
bootstrap-responsive.min.css
165 ms
bootstrap-extended.css
227 ms
font-awesome.min.css
229 ms
style-bs2.css
234 ms
text_block.css
237 ms
carousel.css
245 ms
rsmg-showcase-font.css
254 ms
magnific-popup.css
302 ms
style.css
303 ms
light.css
311 ms
content.css
314 ms
template-12.css
332 ms
icons.css
345 ms
style-bs2.css
376 ms
rsmg-slideshow-font.css
379 ms
style.css
389 ms
bootstrap-carousel.css
392 ms
bootstrap-carousel-slide-effect.css
413 ms
list.css
420 ms
cookieconsent.min.css
462 ms
jquery.min.js
534 ms
jquery-noconflict.js
469 ms
jquery-migrate.min.js
470 ms
bootstrap.min.js
494 ms
rspagebuilder.js
503 ms
core.js
557 ms
jquery.script.min.js
559 ms
jquery.magnific-popup.min.js
560 ms
template.js
575 ms
jquery.mobile.custom.js
587 ms
device-dropdown.js
609 ms
scrollReveal.min.js
609 ms
offscreen.min.js
625 ms
jcarousel.min.js
630 ms
css
30 ms
css
42 ms
custom.css
654 ms
jquery.touchSwipe.min.js
592 ms
cookieconsent.min.js
599 ms
init.js
536 ms
modernizr.min.js
531 ms
logo.jpg
173 ms
82b04889cd34c285cab39d0cd445c106.jpg
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next.png
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testimonial1.jpg
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dive-bg5.jpg
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9001-LOGO.jpg
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DNVGL-LOGO.jpg
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ADC-LOGO.jpg
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ACHILLIES.jpg
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CONSTRUCTIONLINE.jpg
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S6uyw4BMUTPHjx4wWw.ttf
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2-cO9IRs1JiJN1FRAMjTN5zd9vgsFF_5asQTb6hZ2JKZ_O4ViesC.ttf
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rsmg-slideshow.ttf
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SliderArrows.ttf
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rsmg-showcase.ttf
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commercialdivingservices.co.uk 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.
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
commercialdivingservices.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
Browser errors were logged to the console
commercialdivingservices.co.uk SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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 Commercialdivingservices.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 Commercialdivingservices.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.
commercialdivingservices.co.uk
Open Graph description is not detected on the main page of Commercial Diving Services. 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: