5.1 sec in total
392 ms
4.1 sec
590 ms
Welcome to tres.nl homepage info - get ready to check TRES best content for Netherlands right away, or after learning these important things about tres.nl
Wij zijn TRES. Digitaal bureau voor klantportalen, websites en digital marketing. Wij creëren digitale oplossingen voor jouw klanten. Samen met jou.
Visit tres.nlWe analyzed Tres.nl page load time and found that the first response time was 392 ms and then it took 4.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
tres.nl performance score
name
value
score
weighting
Value3.3 s
40/100
10%
Value4.7 s
32/100
25%
Value5.8 s
50/100
10%
Value1,390 ms
16/100
30%
Value0.002
100/100
15%
Value12.3 s
15/100
10%
392 ms
891 ms
395 ms
20 ms
197 ms
Our browser made a total of 132 requests to load all elements on the main page. We found that 86% of them (113 requests) were addressed to the original Tres.nl, 3% (4 requests) were made to Pixel-geo.prfct.co and 2% (3 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Tres.nl.
Page size can be reduced by 1.7 MB (25%)
6.6 MB
5.0 MB
In fact, the total size of Tres.nl main page is 6.6 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. 75% 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 6.1 MB which makes up the majority of the site volume.
Potential reduce by 177.1 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 24.8 kB, which is 11% 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 177.1 kB or 80% of the original size.
Potential reduce by 1.4 MB
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. Obviously, TRES needs image optimization as it can save up to 1.4 MB or 22% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 113.2 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 113.2 kB or 49% of the original size.
Potential reduce by 20.9 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. Tres.nl needs all CSS files to be minified and compressed as it can save up to 20.9 kB or 31% of the original size.
Number of requests can be reduced by 20 (16%)
122
102
The browser has sent 122 CSS, Javascripts, AJAX and image requests in order to completely render the main page of TRES. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and as a result speed up the page load time.
tres.nl
392 ms
tres.nl
891 ms
style.css
395 ms
uc.js
20 ms
uMarketingSuite.analytics.js
197 ms
gtm.js
264 ms
ping.js
319 ms
ss.js
321 ms
header-mobile-hand-schermkopie-2.jpg
224 ms
collegas-2023-okt.jpg
225 ms
ab_logo_rgb_full_liggend_2021_pay-off.png
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wagenborg.png
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bedrijfsfitnessnederland.png
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bgdd.png
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buckaroo.png
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civas.png
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cjib.png
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mhcmobility.png
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koopman.png
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wind.png
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kpn.png
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roc.png
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sva.png
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susa-280x150.png
619 ms
praktische-tips-ai_03-lr.jpg
798 ms
ai_developer02-lr.jpg
717 ms
kennissessie-card21.png
995 ms
emerce100-tres-lr.jpg
820 ms
thinksessie-scherp-in-veiligheid32-lr.jpg
726 ms
umbraco-13-preview_02lr.jpg
729 ms
dsc_2576_tres_lr.jpg
823 ms
kennissessie-card22.png
1024 ms
tres-seo-lr.jpg
836 ms
jeroen-smink-2023_03lr.jpg
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tres-14.jpg
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dsc_2676_tres_lr.jpg
926 ms
hr-situatie_07web.jpg
940 ms
lucaskemper_tres_nyckdevries_lr-15.jpg
1005 ms
werken-bij-website-2-lr.jpg
1031 ms
tres-developers.jpg
1027 ms
img_4166.jpg
1008 ms
js
57 ms
destination
119 ms
karla-400.woff
883 ms
karla-600.woff
935 ms
karla-700.woff
826 ms
koi
78 ms
montserrat-800.woff
787 ms
montserrat-700.woff
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montserrat-400.woff
837 ms
5f5a4869a6ea042219000565.js
32 ms
tagjs
2 ms
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adsct
182 ms
tap.php
45 ms
pixel
58 ms
script.js
735 ms
aos.js
736 ms
tiny-slider.js
736 ms
isotope.min.js
735 ms
kennissessie-card21-after.png
927 ms
dsc_2604_tres_lr.jpg
868 ms
sd
11 ms
pixel
15 ms
cb
2 ms
3 ms
bounce
16 ms
lucaskemper_tres_nyckdevries_lr-10.jpg
769 ms
sebastiaan-en-arsen-colour.jpg
759 ms
tres-reportage-2web.jpg
759 ms
emerce100-2023-social-vierkant.jpg
758 ms
card.jpg
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dsc_2676_tres_lr.jpeg
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kennissessie-card20.png
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kennissessie20-card-after.png
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tres-reportage-34web.jpg
703 ms
card.jpg
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persona-s-card.jpg
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kennissessie-card19-new.png
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tres-reportage-46web.jpg
703 ms
collect
766 ms
tres-reportage-3web.jpg
711 ms
vindbaar-zijn-card.jpg
706 ms
emerce100-card.jpg
713 ms
tres-lr-33-1.jpg
700 ms
tres-5.jpg
719 ms
tres-19.jpg
731 ms
atomicdesign-card.jpg
731 ms
tres-werkvloer-2-lr.jpg
737 ms
kennissessie-card18.jpg
733 ms
tres-reportage-4web.jpg
766 ms
digitale-toegankelijkheid-dit-is-wat-je-moet-weten-lr.jpg
718 ms
waarom-een-klantportaal-jouw-organisatie-vooruithelpt-lr.jpg
685 ms
kennissessie-card18-after.jpg
700 ms
icon-cards-kennissessie16-digitalisering.jpg
712 ms
agile-card.jpg
714 ms
cards-kennissessie-15-personalisatie.jpg
674 ms
fos-3.jpg
690 ms
kennissessie-card14.jpg
706 ms
digitaal-card.jpg
726 ms
kennissessie-card13.jpg
876 ms
initSliders.js
602 ms
fos2020-2.jpg
739 ms
data-card.jpg
740 ms
kennissessie-12-digitale-trends-2019-productcard.jpg
740 ms
kennissessie-11-e-recruitment-productcard.jpg
739 ms
kennissessie-card10.jpg
737 ms
kennissessie-card9.jpg
704 ms
kennissessie-card8.jpg
765 ms
kennissessie-7-branding-en-content-marketing-productcard.jpg
761 ms
kennissessie-6-online-brand-in-retail-productcard.jpg
758 ms
kennissessie-5-van-brand-strategie-naar-online-strategie-productcard.jpg
682 ms
kennissessie-card4.png
743 ms
kennissessie-3-growth-hacking-productcard.jpg
658 ms
kennissessie-card2.png
855 ms
kennissessie-card1.png
623 ms
platinum_horizontal_partner_badge.png
615 ms
partner-rgb.png
636 ms
microsoft.png
639 ms
leadinfo.png
701 ms
sslogo-1.png
645 ms
hellodialog.png
658 ms
footer.jpg
635 ms
platinum_horizontal_partner_badge_white.png
622 ms
dutchdigitalagencies.png
682 ms
googlepartner.png
680 ms
emerce.png
670 ms
dia.png
660 ms
19-280-digitrust-iso27001-keurmerk-zw-2.png
640 ms
19-280-digitrust-iso9001-keurmerk-zw.png
650 ms
tres.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-hidden="true"] elements contain focusable descendents
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
tres.nl best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Issues were logged in the Issues panel in Chrome Devtools
tres.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
Tap targets are not sized appropriately
NL
NL
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tres.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 Tres.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.
tres.nl
Open Graph data is detected on the main page of TRES. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: