3.3 sec in total
391 ms
2.6 sec
309 ms
Visit alstoheat.co.uk now to see the best up-to-date Alsto Heat content and also check out these interesting facts you probably never knew about alstoheat.co.uk
Alsto Heat Ltd are a plumbing company that provides a range of services including central heating, boiler repairs and installations. Call us on 01242 236774
Visit alstoheat.co.ukWe analyzed Alstoheat.co.uk page load time and found that the first response time was 391 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
alstoheat.co.uk performance score
name
value
score
weighting
Value6.2 s
3/100
10%
Value11.7 s
0/100
25%
Value10.1 s
9/100
10%
Value380 ms
69/100
30%
Value0.516
15/100
15%
Value12.8 s
13/100
10%
391 ms
838 ms
284 ms
289 ms
28 ms
Our browser made a total of 36 requests to load all elements on the main page. We found that 92% of them (33 requests) were addressed to the original Alstoheat.co.uk, 6% (2 requests) were made to Google-analytics.com and 3% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Alstoheat.co.uk.
Page size can be reduced by 118.1 kB (14%)
839.4 kB
721.3 kB
In fact, the total size of Alstoheat.co.uk main page is 839.4 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 20% of websites need less resources to load. Images take 751.7 kB which makes up the majority of the site volume.
Potential reduce by 13.1 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 13.1 kB or 72% of the original size.
Potential reduce by 64.2 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. Alsto Heat images are well optimized though.
Potential reduce by 27.2 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 27.2 kB or 52% of the original size.
Potential reduce by 13.5 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. Alstoheat.co.uk needs all CSS files to be minified and compressed as it can save up to 13.5 kB or 81% of the original size.
Number of requests can be reduced by 5 (15%)
34
29
The browser has sent 34 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Alsto Heat. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.
alstoheat.co.uk
391 ms
www.alstoheat.co.uk
838 ms
styles.css
284 ms
responsive.css
289 ms
jquery.min.js
28 ms
jquery.cycle.all.min.js
414 ms
jquery.easing.1.1.1.js
305 ms
script.js
305 ms
tinynav.js
305 ms
ga.js
70 ms
bg.jpg
558 ms
logo.png
293 ms
gas-safe.png
145 ms
WORCESTER_LOGO.jpg
264 ms
contact-us.jpg
150 ms
submit.jpg
141 ms
Energy_Saving_Trust_Logo_Web.jpg
410 ms
worcester-bosch.jpg
406 ms
energy-saving-logo.jpg
428 ms
oftec%20logo.jpg
394 ms
watermark.jpg
431 ms
img0.jpg
650 ms
img1.jpg
793 ms
img3.jpg
796 ms
img4.jpg
698 ms
img5.jpg
830 ms
test.png
814 ms
supply-install-repair.gif
784 ms
boiler-repair-image.jpg
969 ms
boilers-image.jpg
919 ms
radiator-image.jpg
1048 ms
footer-bg-repeat.png
927 ms
gas-safe.jpg
943 ms
bullet-hover.png
957 ms
bullet.png
1049 ms
__utm.gif
25 ms
alstoheat.co.uk accessibility score
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
Image elements do not have [alt] attributes
Links do not have a discernible name
alstoheat.co.uk best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
alstoheat.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
Image elements do not have [alt] attributes
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 Alstoheat.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 Alstoheat.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.
alstoheat.co.uk
Open Graph description is not detected on the main page of Alsto Heat. 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: