3.7 sec in total
786 ms
2.2 sec
648 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 786 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
tres.nl performance score
name
value
score
weighting
Value4.4 s
16/100
10%
Value8.6 s
1/100
25%
Value16.3 s
0/100
10%
Value780 ms
38/100
30%
Value0.005
100/100
15%
Value13.2 s
12/100
10%
786 ms
337 ms
6 ms
349 ms
19 ms
Our browser made a total of 66 requests to load all elements on the main page. We found that 48% of them (32 requests) were addressed to the original Tres.nl, 21% (14 requests) were made to Use.typekit.net and 8% (5 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (786 ms) belongs to the original domain Tres.nl.
Page size can be reduced by 437.9 kB (28%)
1.5 MB
1.1 MB
In fact, the total size of Tres.nl main page is 1.5 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. 55% of websites need less resources to load. Images take 955.5 kB which makes up the majority of the site volume.
Potential reduce by 47.7 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 47.7 kB or 80% of the original size.
Potential reduce by 97 B
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. TRES images are well optimized though.
Potential reduce by 287.9 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 287.9 kB or 71% of the original size.
Potential reduce by 102.2 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 102.2 kB or 83% of the original size.
Number of requests can be reduced by 18 (35%)
51
33
The browser has sent 51 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 14 to 1 for JavaScripts and as a result speed up the page load time.
tres.nl
786 ms
style.css
337 ms
jquery.min.js
6 ms
script.min.js
349 ms
analytics.js
19 ms
1144_cbr.js
19 ms
logo-TRES-internet.png
125 ms
resize.asp
274 ms
resize.asp
275 ms
resize.asp
275 ms
resize.asp
274 ms
resize.asp
275 ms
resize.asp
273 ms
overzicht.jpg
542 ms
Rinsmaoverzicht.jpg
479 ms
rpoverzicht.jpg
480 ms
ROC-overzicht.jpg
541 ms
AllerSpanningacase.jpg
478 ms
AlcatelDynamic-Tour.jpg
541 ms
TeamClafis.jpg
619 ms
kpn.jpg
618 ms
ajax.jpg
619 ms
cig.jpg
591 ms
ab.jpg
670 ms
JanKuipers.jpg
618 ms
gtm.js
53 ms
linkid.js
9 ms
409 ms
1144_post.js
485 ms
fontawesome-webfont.woff
616 ms
collect
53 ms
collect
212 ms
conversion_async.js
162 ms
hotjar-21767.js
237 ms
collect
152 ms
collect
153 ms
Heerenheader.jpg
600 ms
header.jpg
580 ms
pyrasied.jpg
599 ms
rre0qis.js
263 ms
load
151 ms
53 ms
websites2.png
398 ms
webshops2.png
429 ms
app2.png
431 ms
71 ms
modules-043c1e6abe660c48857202e419ff9d8a.js
30 ms
tres.nl
53 ms
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32 ms
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72 ms
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101 ms
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229 ms
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143 ms
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143 ms
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143 ms
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143 ms
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142 ms
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166 ms
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167 ms
0aDqiYalEjAt9QyjF9nHUdtQtVVrlzQB59-34_-Zexqff4xygsMdeMJ6Mk6f5gI.woff
166 ms
81 ms
visit-data
219 ms
p.gif
126 ms
header.jpg
385 ms
Heerenheader.jpg
262 ms
pyrasied.jpg
238 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-*] attributes do not match their roles
[aria-hidden="true"] elements contain focusable descendents
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
Buttons do not have an accessible name
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
ISO-8859-1
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 iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
tres.nl
Open Graph description is not detected on the main page of TRES. 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: