12.7 sec in total
3.2 sec
9.2 sec
357 ms
Welcome to alcedo.nl homepage info - get ready to check Alcedo best content right away, or after learning these important things about alcedo.nl
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Visit alcedo.nlWe analyzed Alcedo.nl page load time and found that the first response time was 3.2 sec 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.
alcedo.nl performance score
name
value
score
weighting
Value2.4 s
70/100
10%
Value13.8 s
0/100
25%
Value5.0 s
63/100
10%
Value620 ms
48/100
30%
Value0.604
10/100
15%
Value10.5 s
24/100
10%
3197 ms
308 ms
320 ms
329 ms
297 ms
Our browser made a total of 78 requests to load all elements on the main page. We found that all of those requests were addressed to Alcedo.nl and no external sources were called. The less responsive or slowest element that took the longest time to load (3.2 sec) belongs to the original domain Alcedo.nl.
Page size can be reduced by 988.5 kB (49%)
2.0 MB
1.0 MB
In fact, the total size of Alcedo.nl main page is 2.0 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. 60% of websites need less resources to load. Javascripts take 819.1 kB which makes up the majority of the site volume.
Potential reduce by 68.9 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 68.9 kB or 80% of the original size.
Potential reduce by 23.4 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. Alcedo images are well optimized though.
Potential reduce by 595.2 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 595.2 kB or 73% of the original size.
Potential reduce by 300.9 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. Alcedo.nl needs all CSS files to be minified and compressed as it can save up to 300.9 kB or 79% of the original size.
Number of requests can be reduced by 59 (77%)
77
18
The browser has sent 77 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Alcedo. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 39 to 1 for JavaScripts and from 17 to 1 for CSS and as a result speed up the page load time.
www.alcedo.nl
3197 ms
wp-emoji-release.min.js
308 ms
vision-shortcodes.css
320 ms
wp-filebase.css
329 ms
layerslider.css
297 ms
front-style.css
303 ms
buttons.min.css
311 ms
dashicons.min.css
628 ms
mediaelementplayer.min.css
540 ms
wp-mediaelement.css
542 ms
media-views.min.css
530 ms
imgareaselect.css
538 ms
meteor-slides.css
544 ms
jquery.js
857 ms
jquery-migrate.min.js
724 ms
swfobject.js
760 ms
layerslider.kreaturamedia.jquery.js
738 ms
jquery-easing-1.3.js
738 ms
utils.min.js
808 ms
plupload.full.min.js
1078 ms
jquery.cycle.all.js
925 ms
jquery.metadata.v2.js
921 ms
jquery.touchwipe.1.1.1.js
943 ms
slideshow.js
994 ms
jquery.cu3er.js
1045 ms
style.css
1100 ms
primary-periwinkle.css
1110 ms
secondary-golden.css
1136 ms
_mobile.css
1177 ms
_font-awesome.css
1235 ms
jquery.prettyPhoto.js
1258 ms
vision-shortcodes.js
1279 ms
comment-reply.js
1289 ms
custom-main.js
1330 ms
slides.min.jquery.js
1357 ms
jquery.superfish.js
1432 ms
jquery.cycle.all.min.js
1360 ms
jquery.easing.1.3.js
1173 ms
jquery.isotope.js
1181 ms
underscore.min.js
1244 ms
shortcode.min.js
1309 ms
backbone.min.js
1306 ms
wp-util.min.js
1116 ms
wp-backbone.min.js
1129 ms
media-models.min.js
1169 ms
wp-plupload.min.js
1199 ms
core.min.js
1272 ms
widget.min.js
1198 ms
mouse.min.js
1119 ms
sortable.min.js
1111 ms
mediaelement-and-player.min.js
1278 ms
wp-mediaelement.js
1164 ms
media-views.min.js
1198 ms
media-editor.min.js
1139 ms
media-audiovideo.min.js
1105 ms
wp-embed.min.js
1104 ms
Alcedo-logo-blauw-open_200.png
1010 ms
geluid-445x273.jpg
1089 ms
trillingen-445x273.jpg
1109 ms
bouwlawaai-445x273.jpg
1297 ms
style.css
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bouwmonitoring-445x273.jpg
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bouwfysica-445x273.jpg
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milieu-445x273.jpg
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brand-445x273.jpg
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presentatie-280x124.jpg
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IJsvogel-280x124.jpg
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shattered.png
544 ms
sprite.png
689 ms
bg-top-aside-shadow.png
272 ms
bg-ui-gradient.png
357 ms
img-frames.png
356 ms
shadow-1.png
381 ms
bg-ui-shadow-bottom.png
453 ms
banner-abstract.png
992 ms
arrow-right.png
547 ms
bullet-type-1-footer.png
564 ms
fontawesome-webfont.woff
531 ms
alcedo.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
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
List items (<li>) are not contained within <ul> or <ol> parent elements.
alcedo.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
Page has valid source maps
alcedo.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
NL
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Alcedo.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 Alcedo.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.
alcedo.nl
Open Graph description is not detected on the main page of Alcedo. 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: