Tools & Wizards About Us
lensshopper.nl screenshot

Report Summary

  • 87

    Performance

    Renders faster than
    89% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 94

    SEO

    Google-friendlier than
    90% of websites

lensshopper.nl

Contactlenzen - Lensshopper.nl - Wij gidsen u naar de beste aanbieders op het internet!

Page Load Speed

4.3 sec in total

First Response

1 sec

Resources Loaded

2.9 sec

Page Rendered

335 ms

lensshopper.nl screenshot

About Website

Visit lensshopper.nl now to see the best up-to-date Lensshopper content and also check out these interesting facts you probably never knew about lensshopper.nl

Bespaar tot maar liefst 70 procent op contactlenzen. De scherpste prijzen van 12 contactlens aanbieders

Visit lensshopper.nl

Key Findings

We analyzed Lensshopper.nl page load time and found that the first response time was 1 sec and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

lensshopper.nl performance score

87

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

50/100

10%

LCP (Largest Contentful Paint)

Value3.2 s

73/100

25%

SI (Speed Index)

Value3.4 s

89/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.1 s

95/100

10%

Network Requests Diagram

www.lensshopper.nl

1027 ms

reset.css

255 ms

master.css

688 ms

Script.js

362 ms

ajax.js

369 ms

Our browser made a total of 67 requests to load all elements on the main page. We found that 97% of them (65 requests) were addressed to the original Lensshopper.nl, 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Lensshopper.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 154.2 kB (53%)

Content Size

288.4 kB

After Optimization

134.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Lensshopper.nl main page is 288.4 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 20% of websites need less resources to load. Images take 104.2 kB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 68.6 kB

  • Original 77.0 kB
  • After minification 75.0 kB
  • After compression 8.4 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 68.6 kB or 89% of the original size.

Image Optimization

-10%

Potential reduce by 10.0 kB

  • Original 104.2 kB
  • After minification 94.2 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. Lensshopper images are well optimized though.

JavaScript Optimization

-50%

Potential reduce by 22.0 kB

  • Original 44.3 kB
  • After minification 35.2 kB
  • After compression 22.3 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 22.0 kB or 50% of the original size.

CSS Optimization

-85%

Potential reduce by 53.5 kB

  • Original 62.8 kB
  • After minification 42.9 kB
  • After compression 9.3 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. Lensshopper.nl needs all CSS files to be minified and compressed as it can save up to 53.5 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (35%)

Requests Now

66

After Optimization

43

  • Images
  • JavaScript
  • CSS

The browser has sent 66 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lensshopper. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.lensshopper.nl

www.lensshopper.nl

1027 ms

reset.css

reset.css

255 ms

master.css

master.css

688 ms

Script.js

Script.js

362 ms

ajax.js

ajax.js

369 ms

ajax-dynamic-list.js

ajax-dynamic-list.js

479 ms

ajax-dynamic-content.js

ajax-dynamic-content.js

361 ms

ajax-tooltip.js

ajax-tooltip.js

470 ms

bodybluebg5.gif

bodybluebg5.gif

120 ms

se.gif

se.gif

118 ms

gb.gif

gb.gif

119 ms

de.gif

de.gif

113 ms

us.gif

us.gif

112 ms

fr.gif

fr.gif

114 ms

fi.gif

fi.gif

222 ms

it.gif

it.gif

222 ms

no.gif

no.gif

224 ms

nl.gif

nl.gif

229 ms

rss_small.gif

rss_small.gif

227 ms

brand-acuvue.jpg

brand-acuvue.jpg

231 ms

brand-dailies.jpg

brand-dailies.jpg

345 ms

brand-coopervision.jpg

brand-coopervision.jpg

338 ms

brand-biomedics.jpg

brand-biomedics.jpg

350 ms

brand-FreshLook.jpg

brand-FreshLook.jpg

343 ms

brand-softlens.jpg

brand-softlens.jpg

345 ms

btn_search.jpg

btn_search.jpg

348 ms

85x35_lensway.jpg

85x35_lensway.jpg

447 ms

70focus_dailies_237x237.jpg

70focus_dailies_237x237.jpg

455 ms

expand.gif

expand.gif

453 ms

lensway.png

lensway.png

466 ms

85x35_lenson.jpg

85x35_lenson.jpg

463 ms

4focusdailies30.jpg

4focusdailies30.jpg

465 ms

lenson.png

lenson.png

555 ms

5focusdailies90.jpg

5focusdailies90.jpg

559 ms

11_day_acuvue_237x237.jpg

11_day_acuvue_237x237.jpg

573 ms

21_day_acuvue_237x237.jpg

21_day_acuvue_237x237.jpg

577 ms

31dayacuvueforastigmatism_237x237.jpg

31dayacuvueforastigmatism_237x237.jpg

577 ms

41day_acu_moist_237x237.jpg

41day_acu_moist_237x237.jpg

572 ms

51day_acu_moist_237x237.jpg

51day_acu_moist_237x237.jpg

661 ms

6142.jpg

6142.jpg

667 ms

7142.jpg

7142.jpg

686 ms

8488.jpg

8488.jpg

682 ms

9488.jpg

9488.jpg

691 ms

ga.js

ga.js

37 ms

Ingenbild.gif

Ingenbild.gif

655 ms

__utm.gif

__utm.gif

11 ms

12694.jpg

12694.jpg

667 ms

15acuvue2col_grupp_237x237.jpg

15acuvue2col_grupp_237x237.jpg

672 ms

16acuvue2col_grupp_237x237.jpg

16acuvue2col_grupp_237x237.jpg

689 ms

17acuvue2col_grupp_237x237.jpg

17acuvue2col_grupp_237x237.jpg

692 ms

18acuvue2col_grupp_237x237.jpg

18acuvue2col_grupp_237x237.jpg

698 ms

annonser.gif

annonser.gif

697 ms

lensshopper_tansp_logo.gif

lensshopper_tansp_logo.gif

668 ms

header-lensshopper.gif

header-lensshopper.gif

673 ms

right_on.gif

right_on.gif

689 ms

left_on.gif

left_on.gif

693 ms

right.gif

right.gif

699 ms

left.gif

left.gif

698 ms

menu-bg.gif

menu-bg.gif

656 ms

menu-edge.gif

menu-edge.gif

660 ms

bg_searchfield.jpg

bg_searchfield.jpg

683 ms

ranked_row4.jpg

ranked_row4.jpg

721 ms

rating_stars.gif

rating_stars.gif

716 ms

to_store.jpg

to_store.jpg

713 ms

optician-bg.jpg

optician-bg.jpg

657 ms

bg_fade.gif

bg_fade.gif

659 ms

iphone.css

iphone.css

121 ms

Accessibility Review

lensshopper.nl accessibility score

78

Accessibility Issues

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

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

lensshopper.nl best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

lensshopper.nl SEO score

94

Search Engine Optimization Advices

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

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    NL

  • Language Claimed

    NL

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Lensshopper.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 Lensshopper.nl main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

lensshopper.nl

Open Graph description is not detected on the main page of Lensshopper. 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: