2.6 sec in total
171 ms
2.1 sec
367 ms
Visit premium.bookboon.com now to see the best up-to-date Premium Bookboon content for United States and also check out these interesting facts you probably never knew about premium.bookboon.com
Visit premium.bookboon.comWe analyzed Premium.bookboon.com page load time and found that the first response time was 171 ms and then it took 2.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.
premium.bookboon.com performance score
name
value
score
weighting
Value5.9 s
4/100
10%
Value5.9 s
14/100
25%
Value6.0 s
46/100
10%
Value0 ms
100/100
30%
Value0
100/100
15%
Value5.9 s
66/100
10%
171 ms
470 ms
194 ms
342 ms
249 ms
Our browser made a total of 43 requests to load all elements on the main page. We found that 47% of them (20 requests) were addressed to the original Premium.bookboon.com, 16% (7 requests) were made to Bookboon.com and 14% (6 requests) were made to . The less responsive or slowest element that took the longest time to load (905 ms) belongs to the original domain Premium.bookboon.com.
Page size can be reduced by 131.6 kB (11%)
1.2 MB
1.0 MB
In fact, the total size of Premium.bookboon.com main page is 1.2 MB. 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 942.1 kB which makes up the majority of the site volume.
Potential reduce by 29.0 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 5.4 kB, which is 14% 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 29.0 kB or 78% of the original size.
Potential reduce by 9.1 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. Premium Bookboon images are well optimized though.
Potential reduce by 93.6 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 93.6 kB or 53% of the original size.
Number of requests can be reduced by 14 (41%)
34
20
The browser has sent 34 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Premium Bookboon. 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.
premium.bookboon.com
171 ms
premium.bookboon.com
470 ms
960a408.css
194 ms
142ef6e.js
342 ms
cpu0drp.js
249 ms
f919c2f.js
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a
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analytics.js
162 ms
mixpanel-2-latest.min.js
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how-to-build-a-subscription-business.jpg
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making-the-business-case.jpg
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emotional-intelligence-secrets.jpg
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uncovering-mindfulness.jpg
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strategic-procurement-management.jpg
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running-a-successful-executive-coaching-business.jpg
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careering-ahead.jpg
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sdk.js
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bg-billboard.jpg
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bg-self-study.png
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629 ms
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54 ms
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7 ms
42 ms
p.gif
127 ms
collect
18 ms
145 ms
xd_arbiter.php
241 ms
premium.bookboon.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
Image elements do not have [alt] attributes
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.
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.
premium.bookboon.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Page has valid source maps
premium.bookboon.com 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
N/A
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Premium.bookboon.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) and no language is claimed in <html> or <meta> tags either. Our system also found out that Premium.bookboon.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.
premium.bookboon.com
Open Graph description is not detected on the main page of Premium Bookboon. 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: