3.7 sec in total
280 ms
3.1 sec
277 ms
Click here to check amazing Contactlenzen content. Otherwise, check out these important facts you probably never knew about contactlenzen.net
Wil jij contactlenzen en lenzenvloeistof bestellen? Bestel dan hier lenzen zoals daglenzen weeklenzen en maandlenzen voor de beste prijs.
Visit contactlenzen.netWe analyzed Contactlenzen.net page load time and found that the first response time was 280 ms and then it took 3.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
contactlenzen.net performance score
name
value
score
weighting
Value2.7 s
61/100
10%
Value2.7 s
86/100
25%
Value3.7 s
85/100
10%
Value160 ms
93/100
30%
Value0.249
50/100
15%
Value5.2 s
74/100
10%
280 ms
1228 ms
277 ms
281 ms
283 ms
Our browser made a total of 53 requests to load all elements on the main page. We found that 85% of them (45 requests) were addressed to the original Contactlenzen.net, 4% (2 requests) were made to Google-analytics.com and 4% (2 requests) were made to V2.zopim.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Contactlenzen.net.
Page size can be reduced by 608.0 kB (55%)
1.1 MB
504.0 kB
In fact, the total size of Contactlenzen.net main page is 1.1 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. 40% of websites need less resources to load. HTML takes 447.0 kB which makes up the majority of the site volume.
Potential reduce by 333.0 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 333.0 kB or 75% of the original size.
Potential reduce by 9.8 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. Contactlenzen images are well optimized though.
Potential reduce by 116.0 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 116.0 kB or 65% of the original size.
Potential reduce by 149.2 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. Contactlenzen.net needs all CSS files to be minified and compressed as it can save up to 149.2 kB or 86% of the original size.
Number of requests can be reduced by 30 (60%)
50
20
The browser has sent 50 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Contactlenzen. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 15 to 1 for CSS and as a result speed up the page load time.
contactlenzen.net
280 ms
www.contactlenzen.net
1228 ms
boxes.css
277 ms
default_megadropdown.css
281 ms
icons.css
283 ms
flexSlider.css
278 ms
jquery.fancybox.css
281 ms
lush.min.combined.css
353 ms
spaarpunten.css
365 ms
filter.css
370 ms
tweede-artikelfoto-overzicht.css
369 ms
artikellayover.css
371 ms
add_to_shopping_cart.css
372 ms
jquery.bxslider.css
442 ms
merkenslider.css
456 ms
dynamic_css.css
461 ms
default.css
459 ms
jquery.ui.touch-punch.min.js
250 ms
jquery.maskedinput.min.js
278 ms
fancyRadioCheckbox.js
305 ms
jquery.fancybox.pack.js
305 ms
jquery_general.js
304 ms
mobile.js
304 ms
spaarpunten.js
307 ms
jquery.tooltipster.min.js
370 ms
filter_functions.js
398 ms
tweede-artikelfoto-overzicht.js
395 ms
add_to_shopping_cart.js
396 ms
jquery.bxslider.min.js
400 ms
analytics.js
61 ms
3df1d4b96d8976ff5986393e8767f5b2.js
431 ms
opc_loader.png
192 ms
Contactlenzen.net%20logo.png
217 ms
menu-bg.png
217 ms
1Cl.net.wo.jpg
311 ms
opti-free-express-lenzenvloeistof.png
400 ms
aanbieding.png
218 ms
1%20day%20acuvue%20define%20%20shimmer%20sparkle.jpg
283 ms
1%20day%20acuvue%20define.jpg
398 ms
acuvue%20oasys%20with%20hydraclear%20plus.png
405 ms
daglenzen-clear-1-day.png
403 ms
clear-55A-clearlab.png
463 ms
you%20eye%20plus%20lenzenvloeistof.png
583 ms
footer-logo.png
581 ms
facebook1.gif
669 ms
zorgverzekering.png
582 ms
IcoMoon-Ultimate.ttf
1280 ms
collect
3 ms
collect
60 ms
bounce
11 ms
widget_v2.134.js
21 ms
__$$__stringtable_lang_nl.js
12 ms
nr-885.min.js
46 ms
contactlenzen.net 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
Form elements do not have associated labels
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
[id] attributes on active, focusable elements are not unique
contactlenzen.net 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
Page has valid source maps
contactlenzen.net 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 Contactlenzen.net 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 Contactlenzen.net 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.
contactlenzen.net
Open Graph description is not detected on the main page of Contactlenzen. 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: