Tools & Wizards About Us
zonnebrillenstudio.nl screenshot

Report Summary

  • 82

    Performance

    Renders faster than
    87% of other websites

  • 53

    Accessibility

    Visual factors better than
    that of 22% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 58

    SEO

    Google-friendlier than
    20% of websites

zonnebrillenstudio.nl

Brillen, specifieke kijkoplossingen, contactlenzen & optometrie | Van Wissing Optiek Velp

Page Load Speed

3.2 sec in total

First Response

446 ms

Resources Loaded

2.6 sec

Page Rendered

112 ms

zonnebrillenstudio.nl screenshot

About Website

Click here to check amazing Zonne Brillen Studio content. Otherwise, check out these important facts you probably never knew about zonnebrillenstudio.nl

Van Wissing Optiek, in het centrum van Velp, is een moderne optiekwinkel met sinds 1945 klassieke en ouderwets goede service. Bij ons staat u met uw persoonlijke zorgvraag centraal, wij ontzorgen en k...

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Key Findings

We analyzed Zonnebrillenstudio.nl page load time and found that the first response time was 446 ms and then it took 2.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

zonnebrillenstudio.nl performance score

82

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

76/100

10%

LCP (Largest Contentful Paint)

Value4.2 s

44/100

25%

SI (Speed Index)

Value2.9 s

95/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.9 s

88/100

10%

Network Requests Diagram

zonnebrillenstudio.nl

446 ms

www.zonnebrillenstudio.nl

685 ms

1-zonnebrillenstudio-nl.asp

315 ms

zonnebrillenstudio.css

744 ms

common.asp

256 ms

Our browser made a total of 35 requests to load all elements on the main page. We found that 94% of them (33 requests) were addressed to the original Zonnebrillenstudio.nl, 6% (2 requests) were made to Ssl.google-analytics.com. The less responsive or slowest element that took the longest time to load (744 ms) belongs to the original domain Zonnebrillenstudio.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 162.8 kB (44%)

Content Size

368.3 kB

After Optimization

205.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zonnebrillenstudio.nl main page is 368.3 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 202.4 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 21.0 kB

  • Original 24.6 kB
  • After minification 19.9 kB
  • After compression 3.5 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 4.6 kB, which is 19% 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 21.0 kB or 86% of the original size.

Image Optimization

-11%

Potential reduce by 21.8 kB

  • Original 202.4 kB
  • After minification 180.6 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. Obviously, Zonne Brillen Studio needs image optimization as it can save up to 21.8 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 34 B

  • Original 17.2 kB
  • After minification 17.2 kB
  • After compression 17.1 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

-97%

Potential reduce by 120.0 kB

  • Original 124.2 kB
  • After minification 28.2 kB
  • After compression 4.2 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. Zonnebrillenstudio.nl needs all CSS files to be minified and compressed as it can save up to 120.0 kB or 97% of the original size.

Requests Breakdown

Number of requests can be reduced by 7 (22%)

Requests Now

32

After Optimization

25

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zonne Brillen Studio. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

zonnebrillenstudio.nl

zonnebrillenstudio.nl

446 ms

www.zonnebrillenstudio.nl

www.zonnebrillenstudio.nl

685 ms

1-zonnebrillenstudio-nl.asp

1-zonnebrillenstudio-nl.asp

315 ms

zonnebrillenstudio.css

zonnebrillenstudio.css

744 ms

common.asp

common.asp

256 ms

facebook.asp

facebook.asp

258 ms

validatie.asp

validatie.asp

340 ms

layer.asp

layer.asp

256 ms

forms.asp

forms.asp

290 ms

facebook.asp

facebook.asp

352 ms

ga.js

ga.js

31 ms

close.png

close.png

106 ms

layer-logo.jpg

layer-logo.jpg

406 ms

body-schaduw-links.jpg

body-schaduw-links.jpg

117 ms

header-bg-website.jpg

header-bg-website.jpg

440 ms

width.gif

width.gif

96 ms

merk-geenlogo.jpg

merk-geenlogo.jpg

114 ms

idlng-11-20120712-222722--0.jpg

idlng-11-20120712-222722--0.jpg

262 ms

idlng-4-20111004-154918--0.jpg

idlng-4-20111004-154918--0.jpg

197 ms

idlng-8-20110722-091617--0.jpg

idlng-8-20110722-091617--0.jpg

199 ms

idlng-3-20110502-215125--0.jpg

idlng-3-20110502-215125--0.jpg

304 ms

idlng-10-20140302-152810--0.jpg

idlng-10-20140302-152810--0.jpg

296 ms

idlng-5-20110519-184459--0.jpg

idlng-5-20110519-184459--0.jpg

283 ms

idlng-6-20110603-112956--0.jpg

idlng-6-20110603-112956--0.jpg

345 ms

idlng-2-20110501-231717--0.jpg

idlng-2-20110501-231717--0.jpg

378 ms

idlng-1-20110705-100812--0.jpg

idlng-1-20110705-100812--0.jpg

397 ms

idlng-7-20110614-091155--0.jpg

idlng-7-20110614-091155--0.jpg

395 ms

idlng-9-20110730-105723--0.jpg

idlng-9-20110730-105723--0.jpg

428 ms

misc-bg.jpg

misc-bg.jpg

469 ms

facebook-icon.png

facebook-icon.png

486 ms

twitter-icon.png

twitter-icon.png

492 ms

veiling-rechtsheader.jpg

veiling-rechtsheader.jpg

497 ms

idlng-586-20140427-163550--0.jpg

idlng-586-20140427-163550--0.jpg

519 ms

body-schaduw-rechts.jpg

body-schaduw-rechts.jpg

511 ms

__utm.gif

__utm.gif

13 ms

Accessibility Review

zonnebrillenstudio.nl accessibility score

53

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

zonnebrillenstudio.nl best practices score

58

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

High

Browser errors were logged to the console

SEO Factors

zonnebrillenstudio.nl SEO score

58

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    NL

  • Language Claimed

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zonnebrillenstudio.nl can be misinterpreted by Google and other search engines. Our service has detected that Dutch is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Zonnebrillenstudio.nl main page’s claimed encoding is . 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

zonnebrillenstudio.nl

Open Graph description is not detected on the main page of Zonne Brillen Studio. 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: