3.4 sec in total
174 ms
2.5 sec
728 ms
Click here to check amazing North Sea Jazz content. Otherwise, check out these important facts you probably never knew about northseajazz.nl
12•13•14 JULI 2024 Rotterdam Ahoy. Het festival waar in drie dagen het verleden, heden én de toekomst van de jazz langskomen. Door de veelheid aan muzikale stijlen die worden gespeeld, vindt iedereen ...
Visit northseajazz.nlWe analyzed Northseajazz.nl page load time and found that the first response time was 174 ms and then it took 3.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
northseajazz.nl performance score
name
value
score
weighting
Value5.1 s
9/100
10%
Value13.9 s
0/100
25%
Value8.6 s
17/100
10%
Value1,200 ms
21/100
30%
Value0.037
100/100
15%
Value14.6 s
8/100
10%
174 ms
215 ms
425 ms
36 ms
770 ms
Our browser made a total of 40 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Northseajazz.nl, 65% (26 requests) were made to Northseajazz.com and 15% (6 requests) were made to Cdn.cookielaw.org. The less responsive or slowest element that took the longest time to load (884 ms) relates to the external source Northseajazz.com.
Page size can be reduced by 181.9 kB (8%)
2.3 MB
2.1 MB
In fact, the total size of Northseajazz.nl main page is 2.3 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 1.6 MB which makes up the majority of the site volume.
Potential reduce by 63.3 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. This page needs HTML code to be minified as it can gain 15.6 kB, which is 21% 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 63.3 kB or 87% of the original size.
Potential reduce by 21.9 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. North Sea Jazz images are well optimized though.
Potential reduce by 96.8 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 96.8 kB or 64% of the original size.
Potential reduce by 0 B
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. Northseajazz.nl has all CSS files already compressed.
Number of requests can be reduced by 8 (24%)
33
25
The browser has sent 33 CSS, Javascripts, AJAX and image requests in order to completely render the main page of North Sea Jazz. 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.
northseajazz.nl
174 ms
215 ms
rotterdam.css
425 ms
mc-validate.js
36 ms
bundle.js
770 ms
logo.svg
85 ms
nsj_logo_rev_datum_2023_rgb.svg
185 ms
afetmovie2022.jpg
408 ms
gallery-2022.jpg
530 ms
nn-north-sea-jazz-tv.jpg
526 ms
nn_north_sea_jazz_unicef.jpg
620 ms
jazzism-2022.jpg
598 ms
nsj-spotify.jpg
421 ms
transition-2020.jpg
421 ms
rock-19.jpg
515 ms
nsj-agenda.jpg
517 ms
nsj_logo_nn_rgb.svg
611 ms
nsj_logo_por_rgb.svg
614 ms
logo-birra-moretti.svg
618 ms
nsj_logo_fbi_rgb.svg
616 ms
logo-unicef.svg
695 ms
nsj_logo_ntr_rgb.svg
690 ms
de-volkskrant.svg
698 ms
logo-4fv.svg
699 ms
nsj_logo_yamaha_rgb.svg
706 ms
nsj_logo_rmih_rgb.svg
705 ms
gtm.js
129 ms
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15 ms
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13 ms
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11 ms
810feb4a44da48a75251b66b35e0877d.woff
884 ms
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10 ms
otSDKStub.js
38 ms
nsj-poidum-22.jpg
840 ms
e81b17e1-a5c3-4b79-a87b-7f46e56ce376.json
98 ms
location
31 ms
otBannerSdk.js
10 ms
en.json
100 ms
iab2Data.json
117 ms
otTCF.js
14 ms
northseajazz.nl accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
ARIA input fields do not have accessible names
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
Form elements do not have associated labels
Links do not have a discernible name
northseajazz.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
Missing source maps for large first-party JavaScript
northseajazz.nl SEO score
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
NL
NL
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Northseajazz.nl can be misinterpreted by Google and other search engines. Our service has detected that Dutch is used on the page, and it matches the claimed language. Our system also found out that Northseajazz.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.
northseajazz.nl
Open Graph data is detected on the main page of North Sea Jazz. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: