2.3 sec in total
757 ms
1.4 sec
163 ms
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The definitive resource for boiler manual downloads. Download from our huge boiler manual selection using our fully searchable library boasting thousands of manuals from hundreds of manufacturers.
Visit onlineboilermanuals.comWe analyzed Onlineboilermanuals.com page load time and found that the first response time was 757 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.
onlineboilermanuals.com performance score
757 ms
652 ms
540 ms
340 ms
430 ms
Our browser made a total of 7 requests to load all elements on the main page. We found that all of those requests were addressed to Onlineboilermanuals.com and no external sources were called. The less responsive or slowest element that took the longest time to load (757 ms) belongs to the original domain Onlineboilermanuals.com.
Page size can be reduced by 215.4 kB (68%)
314.8 kB
99.4 kB
In fact, the total size of Onlineboilermanuals.com main page is 314.8 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. Javascripts take 131.7 kB which makes up the majority of the site volume.
Potential reduce by 11.5 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 3.8 kB, which is 25% 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 11.5 kB or 75% of the original size.
Potential reduce by 15.4 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. Obviously, Onlineboilermanuals needs image optimization as it can save up to 15.4 kB or 32% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 88.7 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 88.7 kB or 67% of the original size.
Potential reduce by 99.8 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. Onlineboilermanuals.com needs all CSS files to be minified and compressed as it can save up to 99.8 kB or 83% of the original size.
We found no issues to fix!
6
6
The browser has sent 6 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Onlineboilermanuals. According to our analytics all requests are already optimized.
onlineboilermanuals.com
757 ms
bootstrap.min.css
652 ms
full-width-pics.css
540 ms
jquery.js
340 ms
bootstrap.min.js
430 ms
boiler-manuals-instructions-servicing-downloads.png
111 ms
online-boiler-manual-download-offering.png
116 ms
onlineboilermanuals.com SEO score
N/A
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Onlineboilermanuals.com 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 Onlineboilermanuals.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.
onlineboilermanuals.com
Open Graph description is not detected on the main page of Onlineboilermanuals. 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: