1.9 sec in total
363 ms
1.1 sec
477 ms
Visit leydesdorff.net now to see the best up-to-date Leydesdorff content for United States and also check out these interesting facts you probably never knew about leydesdorff.net
Loet Leydesdorff: scientometrics, knowledge-based economy, information theory, self-organization, autopoiesis, innovation, triple helix
Visit leydesdorff.netWe analyzed Leydesdorff.net page load time and found that the first response time was 363 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.
leydesdorff.net performance score
name
value
score
weighting
Value1.7 s
92/100
10%
Value1.8 s
98/100
25%
Value1.7 s
100/100
10%
Value0 ms
100/100
30%
Value0
100/100
15%
Value1.7 s
100/100
10%
363 ms
19 ms
345 ms
175 ms
350 ms
Our browser made a total of 14 requests to load all elements on the main page. We found that 93% of them (13 requests) were addressed to the original Leydesdorff.net, 7% (1 request) were made to Cdn.jsdelivr.net. The less responsive or slowest element that took the longest time to load (711 ms) belongs to the original domain Leydesdorff.net.
Page size can be reduced by 27.0 kB (5%)
548.6 kB
521.5 kB
In fact, the total size of Leydesdorff.net main page is 548.6 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. 25% of websites need less resources to load. Images take 517.8 kB which makes up the majority of the site volume.
Potential reduce by 23.8 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 5.9 kB, which is 19% 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 23.8 kB or 78% of the original size.
Potential reduce by 3.2 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. Leydesdorff images are well optimized though.
We found no issues to fix!
13
13
The browser has sent 13 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Leydesdorff. According to our analytics all requests are already optimized.
leydesdorff.net
363 ms
bootstrap.min.css
19 ms
ma.jpg
345 ms
typing.gif
175 ms
triple_helix_life_achievement.jpg
350 ms
cover_issue_4055_es_ES.jpg
607 ms
image001.jpg
267 ms
thumb2a.gif
191 ms
thumb1a.gif
265 ms
hungary.jpg
281 ms
kn-b.econ.jpg
354 ms
triplex.gif
440 ms
loet.jpg
711 ms
cocitation_op.jpg
436 ms
leydesdorff.net 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.
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
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
Links do not have a discernible name
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
List items (<li>) are not contained within <ul> or <ol> parent elements.
leydesdorff.net best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
Serves images with low resolution
leydesdorff.net SEO score
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
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Leydesdorff.net can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Leydesdorff.net 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.
leydesdorff.net
Open Graph description is not detected on the main page of Leydesdorff. 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: