6.3 sec in total
232 ms
5.7 sec
377 ms
Click here to check amazing Isoenergy content. Otherwise, check out these important facts you probably never knew about isoenergy.co.uk
isoenergy design, supply & install ground source heat pumps and other renewable energy systems that convert energy from natural sources into your home.
Visit isoenergy.co.ukWe analyzed Isoenergy.co.uk page load time and found that the first response time was 232 ms and then it took 6.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
isoenergy.co.uk performance score
name
value
score
weighting
Value8.6 s
0/100
10%
Value11.5 s
0/100
25%
Value11.3 s
5/100
10%
Value270 ms
82/100
30%
Value0.057
98/100
15%
Value13.0 s
12/100
10%
232 ms
911 ms
58 ms
148 ms
53 ms
Our browser made a total of 106 requests to load all elements on the main page. We found that 86% of them (91 requests) were addressed to the original Isoenergy.co.uk, 4% (4 requests) were made to Googletagmanager.com and 4% (4 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (2.1 sec) belongs to the original domain Isoenergy.co.uk.
Page size can be reduced by 742.3 kB (24%)
3.1 MB
2.4 MB
In fact, the total size of Isoenergy.co.uk main page is 3.1 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. 65% of websites need less resources to load. Images take 2.2 MB which makes up the majority of the site volume.
Potential reduce by 66.2 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 14.2 kB, which is 18% 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 66.2 kB or 83% of the original size.
Potential reduce by 63.7 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. Isoenergy images are well optimized though.
Potential reduce by 308.2 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 308.2 kB or 69% of the original size.
Potential reduce by 304.1 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. Isoenergy.co.uk needs all CSS files to be minified and compressed as it can save up to 304.1 kB or 85% of the original size.
Number of requests can be reduced by 43 (44%)
98
55
The browser has sent 98 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Isoenergy. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and from 22 to 1 for CSS and as a result speed up the page load time.
isoenergy.co.uk
232 ms
www.isoenergy.co.uk
911 ms
js
58 ms
js
148 ms
uc.js
53 ms
css
37 ms
bootstrap.css
529 ms
bootstrap-responsive.css
419 ms
addons.css
429 ms
joomla.css
427 ms
menu.css
323 ms
template.css
320 ms
template-responsive.css
419 ms
k2.css
633 ms
style1.css
517 ms
headings-helvetica.css
519 ms
custom.css
532 ms
bootstrap.css
533 ms
layout.css
715 ms
animations.css
718 ms
white.css
629 ms
green.css
633 ms
green.css
633 ms
9787bc69af91fb7c5311be65c3fc40b8.css
733 ms
btcontentslider.css
734 ms
style.css
735 ms
style.css
735 ms
jquery.min.js
1112 ms
jquery-noconflict.js
815 ms
jquery-migrate.min.js
836 ms
k2.frontend.js
837 ms
caption.js
837 ms
bootstrap.min.js
942 ms
script.js
915 ms
core.js
940 ms
keepalive.js
940 ms
jquery.ui.effects.min.js
942 ms
jquery.validate.min.js
1127 ms
jquery.pwebcontact-legacy.min.js
1147 ms
slides.js
1044 ms
default.js
1045 ms
greenerguide.min.js
510 ms
jquery.easing.1.3.js
1044 ms
js
39 ms
js
50 ms
analytics.js
21 ms
collect
54 ms
jquery.sequence-min.js
836 ms
collect
104 ms
glyphicons-halflings.png
123 ms
iso-logo_2023-190.png
121 ms
sprite-white.png
124 ms
nav-buttons.png
121 ms
preloader.gif
125 ms
slider2017_pusey_plantroom.jpg
623 ms
slider2017_ASHP.jpg
502 ms
slider_0000_Layer%201.jpg
800 ms
slider2017_maintain.jpg
416 ms
slider2017_0001_Pusey.jpg
520 ms
slider_0003_Weymouth.jpg
521 ms
slider_0001_stpeters.jpg
727 ms
home_image_consult.jpg
602 ms
c.png
625 ms
home_image_design2.png
730 ms
d.png
703 ms
slider2017_0001_Install.jpg
829 ms
i.png
728 ms
home_image_maintain.jpg
802 ms
m.png
831 ms
video-introduction-to-isoenergy.png
1143 ms
gg-v1banner.png
833 ms
26fcb32b7af80993eb7ca99a40478e63-3cee03f16e025a4c4456f628550bf95f_XL.jpg
899 ms
951f4f537f6a4a82331cfe19f08fc2f6-8dd1b15b07ee959fff716f219ff43fb5_XL.jpg
902 ms
2208ce08258120e5384d3080bdb54658-ae252c0654e8edaca099dba64773f3f2_XL.jpg
932 ms
d4bcec7abb5a7b7b80318dd181b5ad8f-3de37b3f2de6564a2ea064ec2afe25d4_XL.jpg
934 ms
cda85e9fc7f1d0a3012521b594b987da-59d925d75340d64d31d5ce71bf6ceaf4_XL.jpg
937 ms
b7a20006deee4564359d6687e6ee3566-a955a3de9afa2794fbaf8cc2473586cb_XL.jpg
999 ms
30b8809925ce819e64b5f6a1c5fbb0af-4c5025fc27e21ebeebad07703ddb77e0_XL.jpg
1003 ms
0dedf95c41308607313a66bd7779127a-1371abab3c4aabc3692f4afcfda574f7_XL.jpg
1037 ms
162f791ea324b72b7a709a22c2fcf295-85ca514f9886a96d3c067f991afcb736_XL.jpg
1038 ms
039f53e0007f854f895cf91b9f866516-0bb2d4215d5de184c10e9f50ee1d9553_XL.jpg
1040 ms
e5d36898d167d136c815de0ee93799b9-0345422ddcb43c580d78147360d8e84a_XL.jpg
1098 ms
e8aff8d8950204eca86bc3e074cbfd61-9e02b4257c05e19434bd28a1f3ded3e5_XL.jpg
1102 ms
bf26253d7b8f171dddb155f84ce1d562_S.jpg
1140 ms
ead47d36e50510c345eb86a3568f763f_S.jpg
1115 ms
KFOmCnqEu92Fr1Mu4mxP.ttf
58 ms
KFOlCnqEu92Fr1MmEU9fBBc9.ttf
66 ms
KFOlCnqEu92Fr1MmSU5fBBc9.ttf
86 ms
KFOlCnqEu92Fr1MmWUlfBBc9.ttf
90 ms
collect
34 ms
f63fb9fc1888bac2143cb5d1de3bea0f_S.jpg
1030 ms
839998e06c2f41419e3797450bd73178_S.jpg
1082 ms
service-bkt-_0000_architects.jpg
1084 ms
service-bkt-_0002_MnE.jpg
1228 ms
service-bkt-_0001_builders.jpg
1108 ms
service-bkt-_0003_country-estates.jpg
835 ms
8_1_small.png
752 ms
tsi.png
783 ms
MCSCertifiedMark_BLACK_RGB80.png
786 ms
5_1_small.png
750 ms
gshpa_small.png
732 ms
trustmark-logo-greyscale-70.png
728 ms
social-icons.png
701 ms
re-left.png
998 ms
re-right.png
2122 ms
loading.gif
728 ms
isoenergy.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
Form elements do not have associated labels
Links do not have a discernible name
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
isoenergy.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
Page has valid source maps
isoenergy.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
Links do not have descriptive text
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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 Isoenergy.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 Isoenergy.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.
isoenergy.co.uk
Open Graph description is not detected on the main page of Isoenergy. 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: