Tools & Wizards About Us
contactlensonline.nl screenshot

Report Summary

  • 50

    Performance

    Renders faster than
    68% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

contactlensonline.nl

ContactlensOnline - Verantwoord contactlenzen bestellen

Page Load Speed

3.7 sec in total

First Response

722 ms

Resources Loaded

2.7 sec

Page Rendered

201 ms

contactlensonline.nl screenshot

About Website

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

Onze webshop wordt ondersteund door oogartsen. Wij bieden medische informatie en verkopen enkel lenzen en vloeistoffen van hoogwaardige kwaliteit.

Visit contactlensonline.nl

Key Findings

We analyzed Contactlensonline.nl page load time and found that the first response time was 722 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 55% of websites can load faster.

Performance Metrics

contactlensonline.nl performance score

50

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

26/100

10%

LCP (Largest Contentful Paint)

Value8.3 s

2/100

25%

SI (Speed Index)

Value7.0 s

33/100

10%

TBT (Total Blocking Time)

Value260 ms

83/100

30%

CLS (Cumulative Layout Shift)

Value0.029

100/100

15%

TTI (Time to Interactive)

Value8.3 s

40/100

10%

Network Requests Diagram

contactlensonline.nl

722 ms

js

67 ms

recent-posts.css

224 ms

style.min.css

298 ms

frontend.css

303 ms

Our browser made a total of 82 requests to load all elements on the main page. We found that 88% of them (72 requests) were addressed to the original Contactlensonline.nl, 9% (7 requests) were made to Fonts.gstatic.com and 2% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (833 ms) belongs to the original domain Contactlensonline.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 164.8 kB (22%)

Content Size

738.8 kB

After Optimization

574.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Contactlensonline.nl main page is 738.8 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. 45% of websites need less resources to load. Javascripts take 367.0 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 154.0 kB

  • Original 186.2 kB
  • After minification 180.1 kB
  • After compression 32.2 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 154.0 kB or 83% of the original size.

Image Optimization

-0%

Potential reduce by 32 B

  • Original 23.8 kB
  • After minification 23.8 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. Contactlens Online images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 2.8 kB

  • Original 367.0 kB
  • After minification 366.9 kB
  • After compression 364.2 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. This website has mostly compressed JavaScripts.

CSS Optimization

-5%

Potential reduce by 8.0 kB

  • Original 161.9 kB
  • After minification 161.3 kB
  • After compression 153.9 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. Contactlensonline.nl has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 66 (89%)

Requests Now

74

After Optimization

8

  • Images
  • JavaScript
  • CSS

The browser has sent 74 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Contactlens 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 35 to 1 for JavaScripts and from 33 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

contactlensonline.nl

contactlensonline.nl

722 ms

js

js

67 ms

recent-posts.css

recent-posts.css

224 ms

style.min.css

style.min.css

298 ms

frontend.css

frontend.css

303 ms

badges.css

badges.css

293 ms

style.css

style.css

293 ms

style.css

style.css

295 ms

style.css

style.css

320 ms

styles.css

styles.css

307 ms

hmu-public.css

hmu-public.css

306 ms

style.min.css

style.min.css

308 ms

social-media.css

social-media.css

312 ms

wc-category-header-image.css

wc-category-header-image.css

311 ms

social-sharing.css

social-sharing.css

333 ms

portfolio.css

portfolio.css

403 ms

woocommerce-layout.css

woocommerce-layout.css

404 ms

woocommerce.css

woocommerce.css

412 ms

yith-wcbr.css

yith-wcbr.css

407 ms

photoswipe.min.css

photoswipe.min.css

408 ms

default-skin.min.css

default-skin.min.css

429 ms

js_composer.min.css

js_composer.min.css

649 ms

fresco.css

fresco.css

512 ms

swiper.min.css

swiper.min.css

506 ms

js-offcanvas.css

js-offcanvas.css

505 ms

wpbakery.css

wpbakery.css

511 ms

css

css

31 ms

styles.css

styles.css

569 ms

style.css

style.css

601 ms

frontend-gtag.min.js

frontend-gtag.min.js

598 ms

jquery.min.js

jquery.min.js

665 ms

jquery-migrate.min.js

jquery-migrate.min.js

605 ms

slider.js

slider.js

660 ms

social-sharing.js

social-sharing.js

689 ms

jquery.blockUI.min.js

jquery.blockUI.min.js

710 ms

add-to-cart.min.js

add-to-cart.min.js

708 ms

js.cookie.min.js

js.cookie.min.js

743 ms

woocommerce.min.js

woocommerce.min.js

756 ms

css

css

18 ms

wc-blocks.css

wc-blocks.css

736 ms

banner.css

banner.css

658 ms

rs6.css

rs6.css

631 ms

woocommerce-add-to-cart.js

woocommerce-add-to-cart.js

608 ms

photoswipe.min.js

photoswipe.min.js

656 ms

photoswipe-ui-default.min.js

photoswipe-ui-default.min.js

648 ms

wpstg-blank-loader.js

wpstg-blank-loader.js

650 ms

frontend.js

frontend.js

684 ms

colcade.js

colcade.js

614 ms

index.js

index.js

636 ms

index.js

index.js

660 ms

core.min.js

core.min.js

661 ms

mouse.min.js

mouse.min.js

660 ms

draggable.min.js

draggable.min.js

686 ms

ced_cng_cart.min.js

ced_cng_cart.min.js

619 ms

rbtools.min.js

rbtools.min.js

780 ms

rs6.min.js

rs6.min.js

833 ms

sourcebuster.min.js

sourcebuster.min.js

663 ms

order-attribution.min.js

order-attribution.min.js

656 ms

jquery.customSelect.min.js

jquery.customSelect.min.js

688 ms

fresco.js

fresco.js

644 ms

swiper-bundle.min.js

swiper-bundle.min.js

712 ms

js-offcanvas.js

js-offcanvas.js

658 ms

scripts-dist.js

scripts-dist.js

704 ms

mixitup.min.js

mixitup.min.js

751 ms

style.css

style.css

665 ms

portfolio.js

portfolio.js

723 ms

cart-fragments.min.js

cart-fragments.min.js

718 ms

js_composer_front.min.js

js_composer_front.min.js

670 ms

logo_contactlensonline_258.png

logo_contactlensonline_258.png

119 ms

dummy.png

dummy.png

119 ms

lens125HDscale-108x105.png

lens125HDscale-108x105.png

118 ms

home_vloeistofbakje.png

home_vloeistofbakje.png

119 ms

oogdruppels_home.png

oogdruppels_home.png

119 ms

footerlogo.png

footerlogo.png

120 ms

6xK3dSBYKcSV-LCoeQqfX1RYOo3qOK7g.ttf

6xK3dSBYKcSV-LCoeQqfX1RYOo3qOK7g.ttf

53 ms

6xKydSBYKcSV-LCoeQqfX1RYOo3i54rwlxdr.ttf

6xKydSBYKcSV-LCoeQqfX1RYOo3i54rwlxdr.ttf

54 ms

6xKydSBYKcSV-LCoeQqfX1RYOo3ig4vwlxdr.ttf

6xKydSBYKcSV-LCoeQqfX1RYOo3ig4vwlxdr.ttf

87 ms

6xK1dSBYKcSV-LCoeQqfX1RYOo3qPZ7nsDc.ttf

6xK1dSBYKcSV-LCoeQqfX1RYOo3qPZ7nsDc.ttf

89 ms

6xKwdSBYKcSV-LCoeQqfX1RYOo3qPZZclSds18E.ttf

6xKwdSBYKcSV-LCoeQqfX1RYOo3qPZZclSds18E.ttf

131 ms

KFOlCnqEu92Fr1MmWUlfBBc9.ttf

KFOlCnqEu92Fr1MmWUlfBBc9.ttf

9 ms

6xKydSBYKcSV-LCoeQqfX1RYOo3ik4zwlxdr.ttf

6xKydSBYKcSV-LCoeQqfX1RYOo3ik4zwlxdr.ttf

43 ms

woocommerce-smallscreen.css

woocommerce-smallscreen.css

98 ms

Accessibility Review

contactlensonline.nl accessibility score

84

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

Form elements do not have associated labels

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

contactlensonline.nl best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

Page has valid source maps

SEO Factors

contactlensonline.nl SEO score

100

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

Language and Encoding

  • Language Detected

    NL

  • Language Claimed

    NL

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Contactlensonline.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 Contactlensonline.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.

Social Sharing Optimization

contactlensonline.nl

Open Graph data is detected on the main page of Contactlens Online. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: