10 sec in total
483 ms
8.4 sec
1.1 sec
Welcome to dedijk.atlascollege.nl homepage info - get ready to check De Dijk Atlascollege best content for Netherlands right away, or after learning these important things about dedijk.atlascollege.nl
Op SG De Dijk ontwikkel je je met optimale ondersteuning in een vertrouwde omgeving. Je kunt bij ons terecht met vwo-, havo-, mavo- en vmbo-advies en wij bieden Fast Lane English, de plusvakken Intern...
Visit dedijk.atlascollege.nlWe analyzed Dedijk.atlascollege.nl page load time and found that the first response time was 483 ms and then it took 9.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
dedijk.atlascollege.nl performance score
name
value
score
weighting
Value5.5 s
6/100
10%
Value34.4 s
0/100
25%
Value64.9 s
0/100
10%
Value78,540 ms
0/100
30%
Value0.105
88/100
15%
Value107.5 s
0/100
10%
483 ms
2144 ms
251 ms
346 ms
399 ms
Our browser made a total of 112 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Dedijk.atlascollege.nl, 63% (70 requests) were made to Sgdedijk.nl and 6% (7 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (4.1 sec) relates to the external source Sgdedijk.nl.
Page size can be reduced by 534.8 kB (9%)
5.7 MB
5.1 MB
In fact, the total size of Dedijk.atlascollege.nl main page is 5.7 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 5.1 MB which makes up the majority of the site volume.
Potential reduce by 218.5 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 218.5 kB or 84% of the original size.
Potential reduce by 301.1 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. De Dijk Atlascollege images are well optimized though.
Potential reduce by 3.6 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. This website has mostly compressed JavaScripts.
Potential reduce by 11.6 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. Dedijk.atlascollege.nl has all CSS files already compressed.
Number of requests can be reduced by 52 (57%)
92
40
The browser has sent 92 CSS, Javascripts, AJAX and image requests in order to completely render the main page of De Dijk Atlascollege. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 32 to 1 for JavaScripts and from 22 to 1 for CSS and as a result speed up the page load time.
dedijk.atlascollege.nl
483 ms
www.sgdedijk.nl
2144 ms
wp-emoji-release.min.js
251 ms
sbi-styles.min.css
346 ms
style.min.css
399 ms
mediaelementplayer-legacy.min.css
382 ms
wp-mediaelement.min.css
395 ms
styles.css
382 ms
skins.css
403 ms
dashicons.min.css
632 ms
everest-forms.css
447 ms
css
124 ms
renew.css
654 ms
style.css
451 ms
jquery.qtip.min.css
457 ms
default-calendar-grid.min.css
479 ms
default-calendar-list.min.css
548 ms
all.css
252 ms
v4-shims.css
299 ms
social-logos.min.css
616 ms
jetpack.css
678 ms
jquery.min.js
795 ms
jquery-migrate.min.js
622 ms
pintra-redirect.js
1155 ms
js
215 ms
css
156 ms
css
79 ms
rs6.css
1087 ms
cs.6f62d0f.js
1104 ms
rbtools.min.js
1109 ms
rs6.min.js
1111 ms
x.js
1093 ms
comment-reply.min.js
1101 ms
eu-cookie-law.min.js
1103 ms
jquery.qtip.min.js
1107 ms
moment.min.js
1104 ms
moment-timezone-with-data.min.js
1110 ms
default-calendar.min.js
1105 ms
intersection-observer.js
1106 ms
lazy-images.js
1110 ms
imagesloaded.pkgd.min.js
1111 ms
mediaelement-and-player.min.js
1554 ms
mediaelement-migrate.min.js
1206 ms
e-202239.js
111 ms
jetpack-carousel.min.js
1200 ms
sbi-scripts.min.js
1423 ms
flexslider.js
946 ms
css
17 ms
sbi-sprite.png
268 ms
DeDijk_RGB_PNG.png
499 ms
dummy.png
502 ms
vmbo-de-dijk-middelbare-school.png
503 ms
mavo-de-dijk-middelbare-school-1.png
504 ms
havo-de-dijk-middelbare-school.png
606 ms
vwo-de-dijk-middelbare-school.png
607 ms
atlas-middelbare-school-dijk-de-dijk.png
2978 ms
Moeder-2.png
3213 ms
veiligheid-school-middelbare-vwo-mavo-havo.png
1140 ms
932763_a407e444b1f349c3bf923cb0b2f87081_mv2_d_5020_2953_s_4_2.webp
1140 ms
JWF-Kletspraat-4-oktober.png
4079 ms
WhatsApp-Image-2022-05-31-at-10.27.42-PM.jpeg
3687 ms
placeholder.png
1532 ms
MGL7093-scaled.jpg
4062 ms
Copernicus12736_ArjenOttemaFotografie-kl.jpg
3838 ms
Diap-Logo.png
3242 ms
logo-atlas-diap-238px.png
3263 ms
mijn-dijk-2.png
3458 ms
mijn-dijk-facebook-2.png
3458 ms
dijk-tik-tok-1.png
3548 ms
Youtube_dedijk.png
3545 ms
7086522113003212038
798 ms
middelbare-school.png
3292 ms
middelbare-school-havo.png
3304 ms
De-Dijk-quotes-vwo-havo-vmbo.png
3403 ms
De-Dijk-quotes-vwo-mavo-vmbo.png
3489 ms
S6uyw4BMUTPHjxAwWA.woff
928 ms
S6u9w4BMUTPHh7USSwaPHw.woff
1245 ms
S6u9w4BMUTPHh6UVSwaPHw.woff
1703 ms
fa-solid-900.woff
3894 ms
fa-regular-400.woff
534 ms
fa-solid-900.woff
926 ms
fa-brands-400.woff
1700 ms
Fh4uPib9Iyv2ucM6pGQMWimMp004La2CeQ.woff
1701 ms
browser.oci.js
2148 ms
browser.oci.js
2302 ms
img-embed-logo-colorful-6e578f33c94fb378e31eb676c51d6ac2.svg
2120 ms
37593bf672a1baf9597122f5d4662189.jpeg
2270 ms
tiktok-embed.es5.7679342fa9ebccfee0ab.js
2297 ms
vendors~home.es5.921fb8a7c91a06756aca.js
2084 ms
home.es5.d837437c65ab42231f90.js
2239 ms
img-embed-banner-comment-d1335fb135de82a0a6b923df2e515c06.svg
2075 ms
img-embed-music-26847fc3f0c6f8b667c268b0c0a2bd0f.svg
2078 ms
S6u8w4BMUTPHjxsAUi-s.woff
1467 ms
S6u_w4BMUTPHjxsI9w2_FQfr.woff
1702 ms
S6u_w4BMUTPHjxsI5wq_FQfr.woff
1609 ms
fa-light-300.woff
3178 ms
fa-brands-400.woff
2729 ms
sofiapro-regular.otf
1904 ms
sofiapro-medium.otf
2058 ms
sofiapro-bold.otf
2056 ms
Proxima-Nova-Semibold.woff
2054 ms
Proxima-Nova-Regular.woff
2055 ms
1f578.svg
808 ms
1f316.svg
725 ms
1f526.svg
729 ms
1fa93.svg
731 ms
309516740_640404814146732_7399404414346521539_n.webpthumb.jpg
1123 ms
309516740_640404814146732_7399404414346521539_n.webpfull.jpg
1276 ms
sdk_setting
247 ms
common-monitors.1.0.1.js
28 ms
monitors.3.6.45.oci.js
18 ms
sentry.3.6.45.oci.js
18 ms
dedijk.atlascollege.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-*] attributes do not match their roles
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
Image elements do not have [alt] attributes
Links do not have a discernible name
dedijk.atlascollege.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
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Missing source maps for large first-party JavaScript
dedijk.atlascollege.nl SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
NL
NL
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dedijk.atlascollege.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 Dedijk.atlascollege.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.
dedijk.atlascollege.nl
Open Graph data is detected on the main page of De Dijk Atlascollege. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: