51 sec in total
6.1 sec
43.9 sec
1 sec
Welcome to ja.nl homepage info - get ready to check Ja best content for Netherlands right away, or after learning these important things about ja.nl
leerlingen laten ontdekken dat ze de wereld kunnen veranderen
Visit ja.nlWe analyzed Ja.nl page load time and found that the first response time was 6.1 sec and then it took 44.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.
ja.nl performance score
name
value
score
weighting
Value4.0 s
23/100
10%
Value13.3 s
0/100
25%
Value5.9 s
47/100
10%
Value750 ms
39/100
30%
Value0.077
95/100
15%
Value15.0 s
7/100
10%
6124 ms
1449 ms
1588 ms
1130 ms
1253 ms
Our browser made a total of 132 requests to load all elements on the main page. We found that 89% of them (117 requests) were addressed to the original Ja.nl, 2% (3 requests) were made to Maps.google.com and 2% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (16 sec) belongs to the original domain Ja.nl.
Page size can be reduced by 842.2 kB (65%)
1.3 MB
445.3 kB
In fact, the total size of Ja.nl main page is 1.3 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. 65% of websites need less resources to load. Javascripts take 581.7 kB which makes up the majority of the site volume.
Potential reduce by 64.4 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 9.6 kB, which is 12% 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 64.4 kB or 82% of the original size.
Potential reduce by 8.2 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. Ja images are well optimized though.
Potential reduce by 370.9 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 370.9 kB or 64% of the original size.
Potential reduce by 398.7 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. Ja.nl needs all CSS files to be minified and compressed as it can save up to 398.7 kB or 83% of the original size.
Number of requests can be reduced by 38 (29%)
131
93
The browser has sent 131 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ja. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 19 to 1 for CSS and as a result speed up the page load time.
www.ja.nl
6124 ms
wp-emoji-release.min.js
1449 ms
jquery.ui.css
1588 ms
page-list.css
1130 ms
elusive.css
1253 ms
font-awesome.css
1014 ms
flexslider.css
1151 ms
style.css
4835 ms
style.css
1403 ms
default.min.css
1487 ms
ubermenu.min.css
1702 ms
trans_black_hover.css
1531 ms
font-awesome.min.css
1862 ms
genericons.css
1991 ms
jetpack.css
2482 ms
sharebar.css
1859 ms
front.end.css
2560 ms
uamAdmin.css
2497 ms
uamLoginForm.css
2100 ms
jquery.min.js
69 ms
settings.js
2181 ms
myjquery.js
2289 ms
custom.modernizr.js
2397 ms
sharebar.js
2481 ms
jquery.tools.min.js
2542 ms
functions.js
2589 ms
css
46 ms
css
45 ms
devicepx-jetpack.js
18 ms
js
151 ms
ubermenu.min.js
489 ms
comment-reply.min.js
248 ms
jquery.flexslider-min.js
432 ms
foundation.min.js
1256 ms
init.js
368 ms
e-201614.js
51 ms
background_squares.png
8784 ms
logo2.png
1947 ms
teen3.png
1319 ms
motivatie-slide-680x360.jpg
5204 ms
motivatie-slide.jpg
5076 ms
slide-1-680x360.jpg
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slide-1.jpg
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slide-2-680x360.jpg
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slide-2.jpg
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slide-3-680x360.jpg
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slide-3.jpg
7525 ms
slide-4-680x360.jpg
7118 ms
slide-4.jpg
7624 ms
slide-7-680x360.jpg
8830 ms
slide-7.jpg
9131 ms
slide-5-680x360.jpg
9075 ms
slide-5.jpg
9919 ms
slide-8-680x360.jpg
9539 ms
slide-8.jpg
10706 ms
slide-9-680x360.jpg
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slide-9.jpg
11245 ms
slide-10-680x360.jpg
11082 ms
slide-10.jpg
11820 ms
slide-11-680x360.jpg
11853 ms
slide-11.jpg
13215 ms
slide-13-680x360.jpg
13105 ms
slide-13.jpg
13599 ms
IMG_4692-640x250.jpg
13564 ms
IMG_2059-640x250.jpg
13973 ms
Afbeelding1-537x250.png
13755 ms
christelijke_school.jpg
15351 ms
persoonlijke_begeleiding.jpg
15247 ms
onderzoekend_leren.jpg
15685 ms
sport_cultuur.jpg
15587 ms
leren_door_te_doen.jpg
16028 ms
verleg_je_grenzen.jpg
15899 ms
sdk.js
461 ms
g.gif
67 ms
184 ms
xd_arbiter.php
105 ms
xd_arbiter.php
133 ms
font-awesome.woff
14047 ms
fontawesome-webfont.woff
13986 ms
ja_in_beeld.jpg
13349 ms
jamovie.jpg
13103 ms
alkmaarmaps.jpg
12494 ms
langedijkmaps1.jpg
12949 ms
common.js
67 ms
util.js
132 ms
stats.js
104 ms
AuthenticationService.Authenticate
146 ms
blockquote_bg.png
10588 ms
bullet-arrow0.png
9389 ms
top-arrow-btn0.png
9138 ms
langedijkmaps1.jpg
11547 ms
alkmaarmaps.jpg
11152 ms
jamovie.jpg
12334 ms
ja_in_beeld.jpg
11029 ms
verleg_je_grenzen.jpg
11468 ms
leren_door_te_doen.jpg
11308 ms
sport_cultuur.jpg
11453 ms
onderzoekend_leren.jpg
11174 ms
persoonlijke_begeleiding.jpg
11967 ms
christelijke_school.jpg
11613 ms
Afbeelding1-537x250.png
11239 ms
IMG_2059-640x250.jpg
11593 ms
IMG_4692-640x250.jpg
11636 ms
slide-13.jpg
11388 ms
slide-13-680x360.jpg
12022 ms
slide-11.jpg
11710 ms
slide-11-680x360.jpg
11134 ms
slide-10.jpg
11996 ms
slide-10-680x360.jpg
11527 ms
slide-9.jpg
11933 ms
slide-9-680x360.jpg
12255 ms
slide-8.jpg
12030 ms
slide-8-680x360.jpg
11558 ms
slide-5.jpg
12298 ms
slide-5-680x360.jpg
12035 ms
slide-7.jpg
12365 ms
slide-7-680x360.jpg
12296 ms
slide-4.jpg
13150 ms
slide-4-680x360.jpg
13182 ms
slide-3.jpg
13809 ms
slide-3-680x360.jpg
14605 ms
slide-2.jpg
13045 ms
slide-2-680x360.jpg
12880 ms
slide-1.jpg
13505 ms
slide-1-680x360.jpg
13477 ms
motivatie-slide.jpg
14229 ms
motivatie-slide-680x360.jpg
13502 ms
logo2.png
13941 ms
logo1.jpg
13228 ms
logo2.jpg
13267 ms
icon3.jpg
13364 ms
orbit-nav.png
11903 ms
ja.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
<frame> or <iframe> elements do not have a title
Links do not have a discernible name
ja.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
ja.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
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ja.nl can be misinterpreted by Google and other search engines. Our service has detected that Dutch is used on the page, and it does not match the claimed English language. Our system also found out that Ja.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.
ja.nl
Open Graph description is not detected on the main page of Ja. 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: