Tools & Wizards About Us

Report Summary

  • 24

    Performance

    Renders faster than
    43% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

dewitteos.nl

Wijn Zeist , Wijnhandel De Witte Os, Utrecht voor de lekkerste wijnen

Page Load Speed

3.8 sec in total

First Response

394 ms

Resources Loaded

3.2 sec

Page Rendered

198 ms

About Website

Click here to check amazing De Witte Os content. Otherwise, check out these important facts you probably never knew about dewitteos.nl

Wijn Zeist , wijnhandel De Witte Os, te zeist Utrecht helpt je om meer over witte wijnen, rode wijnen, rose en Mousserende wijnen & Champagnes te weten te komen.

Visit dewitteos.nl

Key Findings

We analyzed Dewitteos.nl page load time and found that the first response time was 394 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.

Performance Metrics

dewitteos.nl performance score

24

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

14/100

10%

LCP (Largest Contentful Paint)

Value5.8 s

15/100

25%

SI (Speed Index)

Value9.8 s

10/100

10%

TBT (Total Blocking Time)

Value810 ms

36/100

30%

CLS (Cumulative Layout Shift)

Value0.311

37/100

15%

TTI (Time to Interactive)

Value14.1 s

10/100

10%

Network Requests Diagram

dewitteos.nl

394 ms

www.dewitteos.nl

759 ms

style.min.css

270 ms

wc-blocks-vendors-style.css

275 ms

wc-blocks-style.css

544 ms

Our browser made a total of 43 requests to load all elements on the main page. We found that 81% of them (35 requests) were addressed to the original Dewitteos.nl, 5% (2 requests) were made to Fonts.gstatic.com and 5% (2 requests) were made to Feedbackcompany.com. The less responsive or slowest element that took the longest time to load (904 ms) belongs to the original domain Dewitteos.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.4 MB (65%)

Content Size

2.2 MB

After Optimization

765.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dewitteos.nl main page is 2.2 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. Javascripts take 1.0 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 34.8 kB

  • Original 44.0 kB
  • After minification 41.3 kB
  • After compression 9.2 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 34.8 kB or 79% of the original size.

Image Optimization

-20%

Potential reduce by 55.2 kB

  • Original 272.0 kB
  • After minification 216.8 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. Obviously, De Witte Os needs image optimization as it can save up to 55.2 kB or 20% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-59%

Potential reduce by 617.1 kB

  • Original 1.0 MB
  • After minification 781.1 kB
  • After compression 432.6 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 617.1 kB or 59% of the original size.

CSS Optimization

-87%

Potential reduce by 715.3 kB

  • Original 821.9 kB
  • After minification 820.9 kB
  • After compression 106.6 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. Dewitteos.nl needs all CSS files to be minified and compressed as it can save up to 715.3 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 22 (59%)

Requests Now

37

After Optimization

15

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of De Witte Os. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

dewitteos.nl accessibility score

87

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Links do not have a discernible name

Best Practices

dewitteos.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

High

Missing source maps for large first-party JavaScript

SEO Factors

dewitteos.nl SEO score

85

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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

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

    UTF-8

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

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