2.6 sec in total
524 ms
1.8 sec
206 ms
Welcome to audio21.nl homepage info - get ready to check AUDIO21 best content right away, or after learning these important things about audio21.nl
Van betaalbaar tot high-end audio, Platenspelers, draaitafel specialist, versterkers, luidprekers, buizenversterkers, speakers, AUDIO21
Visit audio21.nlWe analyzed Audio21.nl page load time and found that the first response time was 524 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.
audio21.nl performance score
name
value
score
weighting
Value11.8 s
0/100
10%
Value11.8 s
0/100
25%
Value16.9 s
0/100
10%
Value90 ms
99/100
30%
Value0.101
89/100
15%
Value20.0 s
2/100
10%
524 ms
207 ms
425 ms
173 ms
173 ms
Our browser made a total of 21 requests to load all elements on the main page. We found that 81% of them (17 requests) were addressed to the original Audio21.nl, 10% (2 requests) were made to Google-analytics.com and 5% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (678 ms) belongs to the original domain Audio21.nl.
Page size can be reduced by 296.8 kB (39%)
763.3 kB
466.6 kB
In fact, the total size of Audio21.nl main page is 763.3 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. Javascripts take 401.0 kB which makes up the majority of the site volume.
Potential reduce by 7.8 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. 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 7.8 kB or 66% of the original size.
Potential reduce by 11.8 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. AUDIO21 images are well optimized though.
Potential reduce by 277.2 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 277.2 kB or 69% of the original size.
Number of requests can be reduced by 8 (42%)
19
11
The browser has sent 19 CSS, Javascripts, AJAX and image requests in order to completely render the main page of AUDIO21. 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.
audio21.nl
524 ms
jscss.php
207 ms
mootools-core.js
425 ms
core.js
173 ms
caption.js
173 ms
mootools-more.js
678 ms
cookies.js
175 ms
slideshow.js
447 ms
menu.js
339 ms
accordion.open.js
344 ms
css
23 ms
degrade.png
87 ms
AUDIO21-logo-200x195.png
171 ms
vinylfuif-2016.jpg
339 ms
Audio21_hifi_en_apparatuur.jpg
514 ms
Audio21_Mark.jpg
174 ms
ga.js
14 ms
loader.png
255 ms
RossoFiorentinomuziek.jpg
573 ms
cJZKeOuBrn4kERxqtaUH3aCWcynf_cDxXwCLxiixG1c.ttf
15 ms
__utm.gif
12 ms
audio21.nl 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
Links do not have a discernible name
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.
audio21.nl 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
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
audio21.nl SEO score
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
NL
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Audio21.nl can be misinterpreted by Google and other search engines. Our service has detected that Dutch 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 Audio21.nl 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.
audio21.nl
Open Graph description is not detected on the main page of AUDIO21. 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: