5 sec in total
615 ms
4.1 sec
276 ms
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Visit prometheus.nlWe analyzed Prometheus.nl page load time and found that the first response time was 615 ms and then it took 4.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
prometheus.nl performance score
name
value
score
weighting
Value3.5 s
34/100
10%
Value9.3 s
1/100
25%
Value9.3 s
13/100
10%
Value270 ms
82/100
30%
Value0.418
23/100
15%
Value8.7 s
36/100
10%
615 ms
458 ms
456 ms
588 ms
596 ms
Our browser made a total of 94 requests to load all elements on the main page. We found that 81% of them (76 requests) were addressed to the original Prometheus.nl, 4% (4 requests) were made to S7.addthis.com and 3% (3 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Prometheus.nl.
Page size can be reduced by 768.4 kB (31%)
2.5 MB
1.7 MB
In fact, the total size of Prometheus.nl main page is 2.5 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 1.5 MB which makes up the majority of the site volume.
Potential reduce by 188.9 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 188.9 kB or 82% of the original size.
Potential reduce by 54.2 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. Prometheus images are well optimized though.
Potential reduce by 523.1 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 523.1 kB or 66% of the original size.
Potential reduce by 2.2 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. Prometheus.nl needs all CSS files to be minified and compressed as it can save up to 2.2 kB or 78% of the original size.
Number of requests can be reduced by 43 (48%)
89
46
The browser has sent 89 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Prometheus. 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 15 to 1 for CSS and as a result speed up the page load time.
prometheus.nl
615 ms
bootstrap.min.css
458 ms
element_message.css
456 ms
flexslider.css
588 ms
news-basic.css
596 ms
stylesheet_4f071281f0.css
588 ms
df_tabs.css
608 ms
main.css
643 ms
tx-powermail.css
649 ms
tx-news.css
779 ms
tx-indexedsearch.css
784 ms
slick.css
786 ms
slicknav.min.css
814 ms
jquery.min.js
915 ms
MooTools-Core-1.5.2.js
929 ms
main.js
977 ms
jquery.flexslider-min.js
982 ms
History.js
984 ms
History.Routing.js
1016 ms
df_tabs.js
1109 ms
addthis_widget.js
46 ms
bootstrap.min.js
1134 ms
slick.min.js
1187 ms
jquery.slicknav.min.js
1189 ms
isotope.min.js
1186 ms
css
55 ms
search_icon.png
316 ms
logo_header.png
313 ms
page_icon_total.png
310 ms
page_icon_recycle.png
309 ms
page_icon_transport.png
312 ms
page_icon_tandwielen.png
310 ms
page_icon_handen.png
505 ms
page_icon_headset.png
496 ms
page_icon_wolk.png
494 ms
page_icon_tang.png
501 ms
page_icon_info.png
507 ms
page_icon_oog.png
501 ms
page_icon_plant.png
685 ms
page_icon_koffer.png
687 ms
slider3.png
974 ms
slider1.png
994 ms
slider2.png
1077 ms
homeblok1.jpg
719 ms
homeblok2.jpg
875 ms
ecloud_logo.png
873 ms
homeblok3.jpg
1021 ms
homeblok4.jpg
1148 ms
ifat_logo.png
1069 ms
over_img.png
1274 ms
ilva.jpg
1193 ms
Werving.jpg
1232 ms
csm_ZRD_76fec082ce.jpg
1273 ms
Bouw_Logistic_Services.jpg
1278 ms
NNRD.jpg
1416 ms
csm_glasvoertuig_RMN_4df76e34d4.jpg
1395 ms
csm_Van_Gansewinkel_referentie_7accd06ccc.jpg
1434 ms
csm_Utrech_IMH_eda08a8007.jpg
1449 ms
csm_Standaard_cd13726c59.jpg
1401 ms
csm_GP-Groot-Herautomatisering_820823949b.jpg
1411 ms
csm_Nuna8winn_1e4a9abd71.jpg
1533 ms
csm_IFAT-impressie__1__623c4cb084.jpg
1527 ms
analytics.js
193 ms
w.js
171 ms
300lo.json
92 ms
cJZKeOuBrn4kERxqtaUH3aCWcynf_cDxXwCLxiixG1c.ttf
71 ms
DXI1ORHCpsQm3Vp6mXoaTYnF5uFdDttMLvmWuJdhhgs.ttf
84 ms
k3k702ZOKiLJc3WVjuplzInF5uFdDttMLvmWuJdhhgs.ttf
85 ms
sh.8e5f85691f9aaa082472a194.html
56 ms
clickstream.min.js
82 ms
MyriadWebPro.woff
1350 ms
csm_Servicedesk_7a19ae987d.jpg
1349 ms
csm_Digitale_tachograaf_4183a89826.jpg
1364 ms
csm_Amsterdam_AfvalRIS_8d7866a306.jpg
1379 ms
csm_SUEZ_dd1e97d05b.jpg
1498 ms
csm_Area-aslast_e318d8cbb8.jpg
1495 ms
collect
38 ms
layers.e5ea973510bf60b3db41.js
9 ms
storage.luckyorange.net
182 ms
nl.js
9 ms
csm_MDM-suitcase_d73c60e0b8.png
1363 ms
csm_Amsterdam_d79714fcdb.jpg
1371 ms
csm_L__ortye_0d1845f4c7.jpg
1364 ms
sm_fb_icon.png
1386 ms
sm_lk_icon.png
1499 ms
sm_tw_icon.png
1503 ms
settings.luckyorange.net
75 ms
totop_arrow.png
1363 ms
arrow_left.png
1370 ms
arrow_right.png
1343 ms
print.css
202 ms
115 ms
mutation.min.js
31 ms
reset.css
18 ms
prometheus.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.
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
Links do not have a discernible name
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
prometheus.nl best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
prometheus.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 Prometheus.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 Prometheus.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.
prometheus.nl
Open Graph description is not detected on the main page of Prometheus. 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: