6.1 sec in total
291 ms
5.5 sec
370 ms
Click here to check amazing Lens Online content for Belgium. Otherwise, check out these important facts you probably never knew about lensonline.be
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Visit lensonline.beWe analyzed Lensonline.be page load time and found that the first response time was 291 ms and then it took 5.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
lensonline.be performance score
name
value
score
weighting
Value4.4 s
17/100
10%
Value25.2 s
0/100
25%
Value8.8 s
15/100
10%
Value2,150 ms
6/100
30%
Value0.854
4/100
15%
Value18.2 s
3/100
10%
291 ms
689 ms
291 ms
376 ms
266 ms
Our browser made a total of 99 requests to load all elements on the main page. We found that 87% of them (86 requests) were addressed to the original Lensonline.be, 2% (2 requests) were made to Stats.g.doubleclick.net and 2% (2 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (990 ms) belongs to the original domain Lensonline.be.
Page size can be reduced by 713.1 kB (40%)
1.8 MB
1.1 MB
In fact, the total size of Lensonline.be 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 884.7 kB which makes up the majority of the site volume.
Potential reduce by 56.6 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. This page needs HTML code to be minified as it can gain 7.5 kB, which is 11% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 56.6 kB or 84% of the original size.
Potential reduce by 33.5 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. Lens Online images are well optimized though.
Potential reduce by 406.5 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 406.5 kB or 69% of the original size.
Potential reduce by 216.5 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. Lensonline.be needs all CSS files to be minified and compressed as it can save up to 216.5 kB or 86% of the original size.
Number of requests can be reduced by 37 (39%)
94
57
The browser has sent 94 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lens 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 25 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
lensonline.be
291 ms
lensonline.be
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www.lensonline.be
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main.css
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datepicker.css
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editable.css
251 ms
autosuggest_inquisitor.css
280 ms
jquery-1.8.3.js
446 ms
jquery.ui.core.js
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modernizr.custom.51698.js
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jquery.bxslider.js
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jquery.easing.1.3.js
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detectmobilebrowser.js
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iframeResizer.min.js
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jquery.bxslider.min.js
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init.js
514 ms
banner_ajax.js
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bsn.AutoSuggest_2.1.3_comp.js
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cookie.js
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lensonline_en.js
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conversion.js
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dc.js
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fbevents.js
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visit-data
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lensonline.be 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.
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.
lensonline.be 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
Page has valid source maps
lensonline.be 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
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Lensonline.be 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 Lensonline.be 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.
lensonline.be
Open Graph description is not detected on the main page of Lens 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: