2.7 sec in total
425 ms
1.9 sec
426 ms
Welcome to centralheatingboilers.org.uk homepage info - get ready to check Centralheatingboilers best content right away, or after learning these important things about centralheatingboilers.org.uk
Unbiased Information and advice on central heating boilers. We compare gas boilers, electric boilers, oil boilers and combi boiler prices.
Visit centralheatingboilers.org.ukWe analyzed Centralheatingboilers.org.uk page load time and found that the first response time was 425 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.
centralheatingboilers.org.uk performance score
name
value
score
weighting
Value2.5 s
68/100
10%
Value2.8 s
82/100
25%
Value2.5 s
98/100
10%
Value80 ms
99/100
30%
Value0.029
100/100
15%
Value2.8 s
97/100
10%
425 ms
249 ms
87 ms
249 ms
412 ms
Our browser made a total of 56 requests to load all elements on the main page. We found that 59% of them (33 requests) were addressed to the original Centralheatingboilers.org.uk, 14% (8 requests) were made to Apis.google.com and 4% (2 requests) were made to Assets.pinterest.com. The less responsive or slowest element that took the longest time to load (609 ms) belongs to the original domain Centralheatingboilers.org.uk.
Page size can be reduced by 329.9 kB (33%)
1.0 MB
676.2 kB
In fact, the total size of Centralheatingboilers.org.uk main page is 1.0 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 547.8 kB which makes up the majority of the site volume.
Potential reduce by 77.7 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 77.7 kB or 78% of the original size.
Potential reduce by 13.2 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. Centralheatingboilers images are well optimized though.
Potential reduce by 210.4 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 210.4 kB or 65% of the original size.
Potential reduce by 28.7 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. Centralheatingboilers.org.uk needs all CSS files to be minified and compressed as it can save up to 28.7 kB or 81% of the original size.
Number of requests can be reduced by 23 (45%)
51
28
The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Centralheatingboilers. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and as a result speed up the page load time.
www.centralheatingboilers.org.uk
425 ms
modernizr-2.0.6.min.js
249 ms
styles.css
87 ms
style.css
249 ms
jquery.js
412 ms
jquery-migrate.min.js
168 ms
jquery.validate.js
251 ms
additional-methods.js
191 ms
pinit.js
7 ms
centralboilers.json
33 ms
jquery.form.min.js
327 ms
scripts.js
247 ms
functions.js
247 ms
comment-reply.min.js
324 ms
blogger.js
78 ms
wp-emoji-release.min.js
144 ms
bg-tile.jpg
198 ms
chb-logo.jpg
109 ms
slogan.jpg
110 ms
banner-get-quotes.jpg
290 ms
boiler-manufacturers-logos.jpg
111 ms
boiler-replacement.jpg
196 ms
boiler-cost.jpg
277 ms
boiler-type.jpg
196 ms
boiler-and-efficiency.jpg
281 ms
baxi-logo2.jpg
365 ms
boiler-image-temperature.jpg
365 ms
side-promo-save300.jpg
280 ms
top-boiler-tips.jpg
367 ms
become-a-supplier-img.jpg
609 ms
accreditations.jpg
366 ms
footer-logos.jpg
372 ms
gtm.js
48 ms
all.js
167 ms
widgets.js
108 ms
plusone.js
78 ms
promo-bg.jpg
434 ms
read.png
434 ms
sidebar.jpg
442 ms
quotes.jpg
443 ms
pinit_main.js
60 ms
analytics.js
5 ms
collect
36 ms
cb=gapi.loaded_0
14 ms
cb=gapi.loaded_1
47 ms
fastbutton
134 ms
postmessageRelay
55 ms
140 ms
xd_arbiter.php
131 ms
xd_arbiter.php
279 ms
3193398744-postmessagerelay.js
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rpc:shindig_random.js
133 ms
cb=gapi.loaded_0
39 ms
cb=gapi.loaded_1
40 ms
grlryt2bdKIyfMSOhzd1eA.woff
47 ms
cb=gapi.loaded_0
6 ms
centralheatingboilers.org.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
<frame> or <iframe> elements do not have a title
centralheatingboilers.org.uk best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
centralheatingboilers.org.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 doesn't use legible font sizes
N/A
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Centralheatingboilers.org.uk can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is English. Our system also found out that Centralheatingboilers.org.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.
centralheatingboilers.org.uk
Open Graph description is not detected on the main page of Centralheatingboilers. 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: