Tools & Wizards About Us

Report Summary

  • 21

    Performance

    Renders faster than
    39% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 74% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

zavvi.nl

Zavvi Nederland - Film & TV, Blu-ray, Merch, Collectables en Kleding.

Page Load Speed

3.2 sec in total

First Response

193 ms

Resources Loaded

2.3 sec

Page Rendered

690 ms

About Website

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

Ontdek de nieuwste DVDs, Blu-rays, collectables en games uit de popcultuur wereld. Profiteer van de laagste en scherpste prijzen, exclusieve aanbiedingen en verzending door heel Nederland!

Visit zavvi.nl

Key Findings

We analyzed Zavvi.nl page load time and found that the first response time was 193 ms and then it took 3 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

zavvi.nl performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

9/100

10%

LCP (Largest Contentful Paint)

Value6.8 s

7/100

25%

SI (Speed Index)

Value8.2 s

20/100

10%

TBT (Total Blocking Time)

Value2,830 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.037

100/100

15%

TTI (Time to Interactive)

Value15.6 s

6/100

10%

Network Requests Diagram

zavvi.nl

193 ms

www.zavvi.nl

254 ms

home.dept

259 ms

screen-541cadad16.css

365 ms

font-face-ca3bd7a38c.css

174 ms

Our browser made a total of 146 requests to load all elements on the main page. We found that 38% of them (56 requests) were addressed to the original Zavvi.nl, 43% (63 requests) were made to S4.thcdn.com and 3% (5 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (447 ms) belongs to the original domain Zavvi.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 952.1 kB (33%)

Content Size

2.9 MB

After Optimization

1.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zavvi.nl main page is 2.9 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. 70% of websites need less resources to load. Images take 1.7 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 247.7 kB

  • Original 291.3 kB
  • After minification 223.4 kB
  • After compression 43.6 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 67.9 kB, which is 23% 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 247.7 kB or 85% of the original size.

Image Optimization

-3%

Potential reduce by 55.5 kB

  • Original 1.7 MB
  • After minification 1.6 MB

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. Zavvi images are well optimized though.

JavaScript Optimization

-63%

Potential reduce by 355.4 kB

  • Original 562.2 kB
  • After minification 560.5 kB
  • After compression 206.8 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 355.4 kB or 63% of the original size.

CSS Optimization

-85%

Potential reduce by 293.6 kB

  • Original 345.2 kB
  • After minification 343.9 kB
  • After compression 51.6 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. Zavvi.nl needs all CSS files to be minified and compressed as it can save up to 293.6 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 67 (48%)

Requests Now

140

After Optimization

73

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 140 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zavvi. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 53 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

zavvi.nl accessibility score

90

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.

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

ARIA IDs are not unique

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

zavvi.nl best practices score

67

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

Browser errors were logged to the console

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

zavvi.nl SEO score

92

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

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

    EN

  • Language Claimed

    NL

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zavvi.nl can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed Dutch language. Our system also found out that Zavvi.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 description is not detected on the main page of Zavvi. 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: