3.1 sec in total
281 ms
2.7 sec
134 ms
Welcome to behaviourchangewheel.com homepage info - get ready to check Behaviour Change Wheel best content right away, or after learning these important things about behaviourchangewheel.com
Behaviour Change Wheel Book - Buy the Paperback Book, E-Book or Online Book here. Design and evaluate behaviour change interventions and policies. The Behaviour Change Wheel, A Guide To Designing Inte...
Visit behaviourchangewheel.comWe analyzed Behaviourchangewheel.com page load time and found that the first response time was 281 ms and then it took 2.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
behaviourchangewheel.com performance score
name
value
score
weighting
Value6.1 s
3/100
10%
Value11.9 s
0/100
25%
Value8.0 s
22/100
10%
Value1,660 ms
11/100
30%
Value0.058
98/100
15%
Value15.0 s
7/100
10%
281 ms
498 ms
739 ms
6 ms
7 ms
Our browser made a total of 70 requests to load all elements on the main page. We found that 89% of them (62 requests) were addressed to the original Behaviourchangewheel.com, 3% (2 requests) were made to Code.britishwebsites.co.uk and 3% (2 requests) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (844 ms) relates to the external source Code.britishwebsites.co.uk.
Page size can be reduced by 358.8 kB (41%)
881.4 kB
522.6 kB
In fact, the total size of Behaviourchangewheel.com main page is 881.4 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. 45% of websites need less resources to load. Images take 369.6 kB which makes up the majority of the site volume.
Potential reduce by 87.5 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 23.3 kB, which is 24% 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 87.5 kB or 91% of the original size.
Potential reduce by 26.2 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. Behaviour Change Wheel images are well optimized though.
Potential reduce by 202.3 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 202.3 kB or 56% of the original size.
Potential reduce by 42.7 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. Behaviourchangewheel.com needs all CSS files to be minified and compressed as it can save up to 42.7 kB or 78% of the original size.
Number of requests can be reduced by 23 (35%)
65
42
The browser has sent 65 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Behaviour Change Wheel. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.
behaviourchangewheel.com
281 ms
www.behaviourchangewheel.com
498 ms
bwcore.3.0.css
739 ms
jquery.min.js
6 ms
jquery-ui.min.js
7 ms
jquery-ui.css
8 ms
bwcore.3.0.js
844 ms
vex.js
84 ms
vex.dialog.js
168 ms
init.js
169 ms
vex.css
167 ms
bw-theme.css
169 ms
jquery.selectbox-0.2.js
169 ms
jquery.selectbox.css
170 ms
jquery.mCustomScrollbar.js
251 ms
customScrollBarMobile.js
257 ms
jquery.mCustomScrollbar.css
257 ms
jquery.form.js
257 ms
ajaxform-standard.js
258 ms
pdfobject.js
259 ms
website.js
335 ms
index.js
343 ms
website.css
343 ms
website.top.css
346 ms
index.css
345 ms
jquery.mousewheel.min.js
6 ms
analytics.js
60 ms
icon_login.png
113 ms
book.png
253 ms
icon_browse.png
105 ms
icon_info.png
105 ms
amazon.png
106 ms
waterstones.png
107 ms
icon_arrow_right.png
160 ms
policy_guidelines.png
175 ms
policy_environmental.png
253 ms
policy_communication.png
256 ms
policy_legislation.png
258 ms
policy_service.png
326 ms
policy_regulation.png
259 ms
policy_fiscal.png
336 ms
int_education.png
339 ms
int_persuasion.png
341 ms
int_incentivisation.png
343 ms
int_coercion.png
345 ms
int_training.png
409 ms
int_enablement.png
421 ms
int_modelling.png
421 ms
int_environmental.png
437 ms
int_restrictions.png
435 ms
eyelet.png
436 ms
com_cap_psychological.png
493 ms
com_cap_physical.png
508 ms
com_opp_social.png
508 ms
com_opp_physical.png
523 ms
com_motive_reflective.png
523 ms
com_motive_automatic.png
523 ms
transparent.png
576 ms
quotes_left.png
591 ms
quotes_right.png
590 ms
footer_abc.png
609 ms
footer_bct.png
610 ms
footer_cbc.png
610 ms
collect
15 ms
segoeuil.woff
822 ms
segoeui.woff
831 ms
segoeuii.woff
742 ms
currencies.js
602 ms
sb_logo.png
589 ms
set-currency
224 ms
behaviourchangewheel.com 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
Form elements do not have associated labels
Links do not have a discernible name
behaviourchangewheel.com 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
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
behaviourchangewheel.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
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 Behaviourchangewheel.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 Behaviourchangewheel.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.
behaviourchangewheel.com
Open Graph description is not detected on the main page of Behaviour Change Wheel. 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: