3.3 sec in total
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248 ms
Welcome to boltonboilers.com homepage info - get ready to check Boltonboilers best content right away, or after learning these important things about boltonboilers.com
Boiler and Heating Company Bolton, New Boiler Quote, Boiler Repairs, Central Heating Repairs, Boiler Service in Bolton, Boiler Replacements, Gas Safe
Visit boltonboilers.comWe analyzed Boltonboilers.com page load time and found that the first response time was 1.1 sec and then it took 2.2 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.
boltonboilers.com performance score
name
value
score
weighting
Value3.0 s
49/100
10%
Value4.3 s
41/100
25%
Value7.4 s
27/100
10%
Value1,870 ms
9/100
30%
Value0
100/100
15%
Value11.4 s
19/100
10%
1131 ms
89 ms
50 ms
179 ms
148 ms
Our browser made a total of 27 requests to load all elements on the main page. We found that 4% of them (1 request) were addressed to the original Boltonboilers.com, 67% (18 requests) were made to Static.parastorage.com and 15% (4 requests) were made to Static.wixstatic.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Boltonboilers.com.
Page size can be reduced by 256.2 kB (66%)
387.3 kB
131.1 kB
In fact, the total size of Boltonboilers.com main page is 387.3 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. 40% of websites need less resources to load. HTML takes 335.8 kB which makes up the majority of the site volume.
Potential reduce by 256.2 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. 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 256.2 kB or 76% of the original size.
Potential reduce by 0 B
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. Boltonboilers images are well optimized though.
Potential reduce by 48 B
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.
Number of requests can be reduced by 10 (48%)
21
11
The browser has sent 21 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Boltonboilers. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.
www.boltonboilers.com
1131 ms
minified.js
89 ms
focus-within-polyfill.js
50 ms
polyfill.min.js
179 ms
bootstrap-features.dbbc2053.bundle.min.js
148 ms
main.c5638ec5.bundle.min.js
155 ms
lodash.min.js
154 ms
react.production.min.js
140 ms
siteTags.bundle.min.js
137 ms
thunderbolt
211 ms
elementory-browser-support.min.js
36 ms
thunderbolt
302 ms
wix-perf-measure.bundle.min.js
9 ms
react-dom.production.min.js
56 ms
2d6447_3f828031116d4dae9e2ec9cdac220340.jpg
643 ms
2d6447_b425371f604b41a8b93724ba83a70eac~mv2.jpg
348 ms
2d6447_708cfbfde08440468c7a6e123d0e24d9~mv2.jpg
507 ms
2d6447_cda23c86f2e84204bf916c49edc7cf4e~mv2.jpg
432 ms
60be5c39-863e-40cb-9434-6ebafb62ab2b.woff
5 ms
5b4a262e-3342-44e2-8ad7-719998a68134.woff
13 ms
5b29e833-1b7a-40ab-82a5-cfd69c8650f4.woff
5 ms
80de9d5d-ab5f-40ce-911b-104e51e93d7c.woff
12 ms
deprecation-en.v5.html
17 ms
bolt-performance
83 ms
deprecation-style.v5.css
11 ms
right-arrow.svg
10 ms
WixMadeforDisplay_W_Bd.woff
4 ms
boltonboilers.com 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
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
boltonboilers.com 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
boltonboilers.com 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
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Boltonboilers.com 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 Boltonboilers.com 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.
boltonboilers.com
Open Graph data is detected on the main page of PARSED_DOMAIN, but there is no image specified in description. It would be a good idea for the website admin to select a nice image that can properly represent the website in Open Graph data, otherwise the first found image will be taken for this purpose and social media information block will look like this: