4.6 sec in total
201 ms
2.8 sec
1.6 sec
Welcome to d3av.co.uk homepage info - get ready to check D3 AV best content right away, or after learning these important things about d3av.co.uk
d3 Audio and Visual are professional engineers providing the best AV solutions and installations throughout Scotland and the UK. Get in touch to learn more.
Visit d3av.co.ukWe analyzed D3av.co.uk page load time and found that the first response time was 201 ms and then it took 4.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
d3av.co.uk performance score
name
value
score
weighting
Value3.1 s
46/100
10%
Value13.3 s
0/100
25%
Value5.2 s
60/100
10%
Value1,380 ms
16/100
30%
Value0.251
49/100
15%
Value11.5 s
18/100
10%
201 ms
168 ms
390 ms
89 ms
174 ms
Our browser made a total of 96 requests to load all elements on the main page. We found that 79% of them (76 requests) were addressed to the original D3av.co.uk, 3% (3 requests) were made to Player.vimeo.com and 3% (3 requests) were made to Gstatic.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain D3av.co.uk.
Page size can be reduced by 235.5 kB (9%)
2.6 MB
2.4 MB
In fact, the total size of D3av.co.uk main page is 2.6 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. 65% of websites need less resources to load. Images take 2.3 MB which makes up the majority of the site volume.
Potential reduce by 52.1 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. This page needs HTML code to be minified as it can gain 16.5 kB, which is 26% 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 52.1 kB or 83% of the original size.
Potential reduce by 172.6 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. D3 AV images are well optimized though.
Potential reduce by 7.9 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 2.8 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. D3av.co.uk has all CSS files already compressed.
Number of requests can be reduced by 22 (25%)
88
66
The browser has sent 88 CSS, Javascripts, AJAX and image requests in order to completely render the main page of D3 AV. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
d3av.co.uk
201 ms
www.d3av.co.uk
168 ms
www.d3av.co.uk
390 ms
bootstrap.min.css
89 ms
custom.css
174 ms
media.css
250 ms
67239.js
57 ms
ajaxCookie.php
248 ms
common.js
259 ms
jquery.min.js
18 ms
jquery.bxslider.js
264 ms
function.js
264 ms
api.js
34 ms
gtm.js
115 ms
logo.png
113 ms
central_church_audio_visual_strategy.jpg
825 ms
silverstone_audio_visual_strategy.jpg
777 ms
service-iconbg.jpg
110 ms
define_icon.png
110 ms
design_icon.png
111 ms
d3mockv2.png
207 ms
maintaince_icon.png
207 ms
consultancy_icon.png
207 ms
logo2.png
207 ms
logo4.png
311 ms
logo1.png
311 ms
logo3.png
369 ms
ctouch.png
309 ms
d-and-b-audiotechnik.png
371 ms
epson.png
374 ms
lacoustics.png
374 ms
lifesize.png
451 ms
polycom.png
533 ms
promethean-world.png
456 ms
samsung.png
457 ms
canon.png
534 ms
loxonelogo_partnersilver2019.jpg
704 ms
allen--heath-logo.png
540 ms
apart-logo.jpg
616 ms
audio-technica.png
618 ms
blackmagic-logo.jpg
624 ms
db-audio.png
699 ms
datavideo-logo.jpg
702 ms
dpa-logo.png
705 ms
ev-logo.png
780 ms
extron-logo.png
785 ms
furman.jpeg
869 ms
563266682
296 ms
565614232
296 ms
560473368
298 ms
kramer-logo.png
786 ms
l-acoustics.jpg
851 ms
lg-logo.jpg
811 ms
Montserrat-Regular.woff
765 ms
OpenSans.woff
860 ms
Montserrat-Bold.woff
797 ms
loxone-logo.jpg
832 ms
recaptcha__en.js
38 ms
js
61 ms
analytics.js
57 ms
fallback
104 ms
philips-logo.png
744 ms
ptz-optics-logo.jpg
777 ms
qsc-logo.jpg
837 ms
sennheiser-logo.png
786 ms
collect
32 ms
1164479398-eb8a7b310e0cc4d8f71772c727a62ddbf645a4939b09f07dc6e83b6a92cdeedd-d
317 ms
1169545711-406598ad0e75de286499e30abc2037fc5012d97c524398b94031122fa9374e5b-d
65 ms
1158570144-6bae372843724ed1f696cd6560b0043eb35133d0b7e0f16aae961ace9f29b9e2-d
63 ms
fallback__ltr.css
14 ms
shure-logo.jpg
718 ms
soundcraft-logo.jpg
887 ms
van_damme_logo.png
823 ms
css
28 ms
logo_48.png
3 ms
KFOmCnqEu92Fr1Mu4mxP.ttf
20 ms
KFOlCnqEu92Fr1MmEU9fBBc9.ttf
25 ms
yamaha-logo.png
690 ms
stampofapproval.png
703 ms
logo2.png
737 ms
logo3.png
754 ms
logo4.png
689 ms
logo5.png
699 ms
menu-border.jpg
735 ms
menu-arrow-icon.png
675 ms
phone-icon.png
682 ms
menu-border2.jpg
681 ms
lastmenu-leftbg.png
620 ms
footer-formbg.jpg
1153 ms
select-arrow.png
655 ms
phone-icon2.png
592 ms
message-icon.png
597 ms
social-icon.png
602 ms
bg_blc_transparent.png
613 ms
slider-left-arrow.png
588 ms
slider-right-arrow.png
592 ms
d3av.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
Form elements do not have associated labels
Links do not have a discernible name
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
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.
d3av.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
d3av.co.uk SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
robots.txt is not valid
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 D3av.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 D3av.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.
d3av.co.uk
Open Graph description is not detected on the main page of D3 AV. 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: