2.7 sec in total
622 ms
1.9 sec
197 ms
Click here to check amazing Duomo content. Otherwise, check out these important facts you probably never knew about duomo.co.uk
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Visit duomo.co.ukWe analyzed Duomo.co.uk page load time and found that the first response time was 622 ms and then it took 2.1 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.
duomo.co.uk performance score
name
value
score
weighting
Value6.7 s
2/100
10%
Value15.3 s
0/100
25%
Value13.9 s
1/100
10%
Value2,780 ms
3/100
30%
Value1.225
1/100
15%
Value21.3 s
1/100
10%
622 ms
445 ms
709 ms
379 ms
199 ms
Our browser made a total of 52 requests to load all elements on the main page. We found that 56% of them (29 requests) were addressed to the original Duomo.co.uk, 10% (5 requests) were made to Static.licdn.com and 8% (4 requests) were made to Translate.googleapis.com. The less responsive or slowest element that took the longest time to load (709 ms) belongs to the original domain Duomo.co.uk.
Page size can be reduced by 421.8 kB (29%)
1.4 MB
1.0 MB
In fact, the total size of Duomo.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. 55% of websites need less resources to load. Images take 839.1 kB which makes up the majority of the site volume.
Potential reduce by 33.9 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. This page needs HTML code to be minified as it can gain 12.9 kB, which is 30% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 33.9 kB or 80% of the original size.
Potential reduce by 58.8 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. Duomo images are well optimized though.
Potential reduce by 251.8 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 251.8 kB or 55% of the original size.
Potential reduce by 77.3 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. Duomo.co.uk needs all CSS files to be minified and compressed as it can save up to 77.3 kB or 79% of the original size.
Number of requests can be reduced by 28 (56%)
50
22
The browser has sent 50 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Duomo. 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 6 to 1 for CSS and as a result speed up the page load time.
duomo.co.uk
622 ms
Site_V2.css
445 ms
jquery.js
709 ms
jquery.dimensions.js
379 ms
Product.js
199 ms
Sitemap_V2.js
206 ms
bootstrap.min.css
501 ms
homepage.css
315 ms
bootstrap.min.js
453 ms
in.js
5 ms
element.js
34 ms
WebResource.axd
334 ms
duomo_logo.png
121 ms
Search.png
119 ms
Register.png
118 ms
SignIn.png
119 ms
sense-air.jpg
346 ms
hvr.jpg
259 ms
valves.jpg
440 ms
ventilation.jpg
526 ms
gas-detection.jpg
315 ms
burner.jpg
345 ms
carbon-dioxide-sensor.jpg
383 ms
carbon-alarm.jpg
507 ms
gas-proving.jpg
656 ms
front_cell_cards.png
547 ms
front_cell_quote.png
464 ms
front_cell_mobile.png
540 ms
front_cell_contact.png
671 ms
widgets.js
4 ms
secureAnonymousFramework
39 ms
translateelement.css
70 ms
main.js
105 ms
ga.js
12 ms
glyphicons-halflings-regular.woff
498 ms
element_main.js
50 ms
button.0308b81ff1714e446f674b5b9793f2cd.js
47 ms
__utm.gif
43 ms
xdrpc.html
39 ms
translate_24dp.png
74 ms
l
62 ms
googlelogo_color_42x16dp.png
69 ms
follow_button.b9740740e0bcf9b0657c5b11bd4388da.en.html
29 ms
followcompany
80 ms
css
35 ms
anonymoususerspace
11 ms
js
44 ms
css
70 ms
js
74 ms
jot
91 ms
sprite_connect_v15.png
10 ms
glyphicons-halflings-regular.ttf
136 ms
duomo.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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
Some elements have a [tabindex] value greater than 0
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
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.
duomo.co.uk best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
duomo.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
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 Duomo.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 Duomo.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.
duomo.co.uk
Open Graph description is not detected on the main page of Duomo. 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: