3.5 sec in total
696 ms
2.6 sec
285 ms
Visit sterk-online.nl now to see the best up-to-date Sterk Online content and also check out these interesting facts you probably never knew about sterk-online.nl
Visit sterk-online.nlWe analyzed Sterk-online.nl page load time and found that the first response time was 696 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.
sterk-online.nl performance score
name
value
score
weighting
Value8.8 s
0/100
10%
Value14.0 s
0/100
25%
Value11.6 s
5/100
10%
Value540 ms
55/100
30%
Value0.319
36/100
15%
Value24.2 s
0/100
10%
696 ms
425 ms
25 ms
38 ms
45 ms
Our browser made a total of 73 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Sterk-online.nl, 4% (3 requests) were made to Fonts.googleapis.com and 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (710 ms) relates to the external source Sterk.amsterdam.
Page size can be reduced by 830.9 kB (45%)
1.8 MB
1.0 MB
In fact, the total size of Sterk-online.nl main page is 1.8 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. 45% of websites need less resources to load. Images take 861.5 kB which makes up the majority of the site volume.
Potential reduce by 92.3 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 92.3 kB or 82% of the original size.
Potential reduce by 71.2 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. Sterk Online images are well optimized though.
Potential reduce by 490.5 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 490.5 kB or 75% of the original size.
Potential reduce by 176.8 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. Sterk-online.nl needs all CSS files to be minified and compressed as it can save up to 176.8 kB or 85% of the original size.
Number of requests can be reduced by 49 (68%)
72
23
The browser has sent 72 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sterk Online. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 33 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.
www.sterk.amsterdam
696 ms
jquery-1.7.min.js
425 ms
css
25 ms
css
38 ms
css
45 ms
styles.css
446 ms
widgets.css
168 ms
prettyPhoto.css
170 ms
cloud-zoom.css
170 ms
magikfees.css
243 ms
catalogsale.css
251 ms
prototype.js
508 ms
ccard.js
252 ms
validation.js
329 ms
builder.js
334 ms
effects.js
452 ms
dragdrop.js
415 ms
controls.js
500 ms
slider.js
499 ms
js.js
501 ms
form.js
502 ms
menu.js
502 ms
translate.js
582 ms
cookies.js
584 ms
cloud-zoom.1.0.2.js
586 ms
carousel.js
588 ms
jquery.jscrollpane.min.js
597 ms
jquery.modal.1.4.1.min.js
600 ms
jquery.mousewheel.js
600 ms
mwheelIntent.js
601 ms
scripts.js
606 ms
jquery.prettyPhoto.js
682 ms
jquery.color.js
686 ms
jqtransform.js
688 ms
easyTooltip.js
685 ms
jquery.jcarousel.min.js
687 ms
jquery-latest.min.js
5 ms
jquery.fancybox.css
628 ms
jquery.fancybox.pack.js
680 ms
tms-0.3.js
678 ms
tms_presets.js
710 ms
jquery.easing.1.3.js
637 ms
ga.js
6 ms
__utm.gif
11 ms
footer_links_off.gif
596 ms
body-bg.gif
168 ms
header-container-bg.gif
123 ms
sterk-logo.png
121 ms
btn-search.png
124 ms
icon_facebook.png
121 ms
icon_pinterest.png
122 ms
icon_instagram.png
169 ms
maart.jpg
504 ms
sterk-maaltijden.jpg
632 ms
beef-jerky.jpg
669 ms
banners-1-def1.png
336 ms
banners-2-def1.png
455 ms
usp-diepvries.png
419 ms
banners-4-def1.png
503 ms
nav-container-bg.png
484 ms
menu-sub-marker.png
516 ms
slider-bg.png
548 ms
slider-loade.gif
549 ms
slider-next.png
549 ms
slider-prev.png
585 ms
marker-home.png
631 ms
tail-top-content.gif
632 ms
footer-container-bg.png
636 ms
marker-login.png
663 ms
btn-newsletter.gif
660 ms
fancybox_overlay.png
640 ms
print.css
89 ms
nr-892.min.js
42 ms
sterk-online.nl accessibility score
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
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
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.
sterk-online.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
Browser errors were logged to the console
sterk-online.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
EN
NL
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sterk-online.nl can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed Dutch language. Our system also found out that Sterk-online.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.
sterk-online.nl
Open Graph description is not detected on the main page of Sterk Online. 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: