5.1 sec in total
277 ms
4.7 sec
185 ms
Click here to check amazing CIBSE content for United Kingdom. Otherwise, check out these important facts you probably never knew about cibse.org
The Chartered Institution of Building Services Engineers (CIBSE) is the prime source of expertise in the Building Services industry.
Visit cibse.orgWe analyzed Cibse.org page load time and found that the first response time was 277 ms and then it took 4.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
cibse.org performance score
name
value
score
weighting
Value3.7 s
30/100
10%
Value9.5 s
0/100
25%
Value8.6 s
17/100
10%
Value6,920 ms
0/100
30%
Value0.286
42/100
15%
Value13.5 s
11/100
10%
277 ms
2560 ms
154 ms
224 ms
309 ms
Our browser made a total of 41 requests to load all elements on the main page. We found that 90% of them (37 requests) were addressed to the original Cibse.org, 5% (2 requests) were made to Google-analytics.com and 2% (1 request) were made to Stats.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (2.6 sec) belongs to the original domain Cibse.org.
Page size can be reduced by 322.2 kB (64%)
505.7 kB
183.6 kB
In fact, the total size of Cibse.org main page is 505.7 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. Javascripts take 205.7 kB which makes up the majority of the site volume.
Potential reduce by 78.3 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 78.3 kB or 84% of the original size.
Potential reduce by 44.1 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, CIBSE needs image optimization as it can save up to 44.1 kB or 36% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 131.0 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 131.0 kB or 64% of the original size.
Potential reduce by 68.7 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. Cibse.org needs all CSS files to be minified and compressed as it can save up to 68.7 kB or 83% of the original size.
Number of requests can be reduced by 8 (22%)
37
29
The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CIBSE. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.
cibse.org
277 ms
www.cibse.org
2560 ms
cibse.min.css
154 ms
modernizr.custom.28324.js
224 ms
WebResource.axd
309 ms
GetResource.ashx
168 ms
ScriptResource.axd
309 ms
ScriptResource.axd
250 ms
cibse.min.js
270 ms
maps.js
180 ms
cibse-logo.png
211 ms
cibse-small.png
98 ms
gva-2015-(reprint-2016)-listing.jpg.aspx
209 ms
random11.gif.aspx
238 ms
random6.gif.aspx
1233 ms
social-media.jpg.aspx
658 ms
energycentre.gif.aspx
210 ms
cibse-logo.png
210 ms
etb560.gif.aspx
551 ms
everyman-theatre_web_1.gif.aspx
343 ms
journaljobshome_1.gif.aspx
782 ms
hayshome_1.gif.aspx
330 ms
random13.gif.aspx
429 ms
feb16coverlisting.jpg.aspx
1513 ms
basket.png
430 ms
docs.png
521 ms
caption-bg.png
553 ms
select-bg.png
597 ms
news.png
645 ms
flame.png
663 ms
calendar.png
695 ms
global.png
736 ms
footer-bg.png
741 ms
social-sprite.png
770 ms
LogHits
878 ms
ga.js
69 ms
knockout-htf-49-liteweight.otf
696 ms
__utm.gif
13 ms
collect
61 ms
print.css
81 ms
nr-852.min.js
42 ms
cibse.org 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
Image elements do not have [alt] attributes
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
cibse.org 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
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
cibse.org 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
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 Cibse.org 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 Cibse.org 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.
cibse.org
Open Graph description is not detected on the main page of CIBSE. 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: