Report Summary

  • 80

    Performance

    Renders faster than
    87% of other websites

  • 97

    Accessibility

    Visual factors better than
    that of 93% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 81

    SEO

    Google-friendlier than
    43% of websites

zappsite.nl

ZappSite

Page Load Speed

21 sec in total

First Response

251 ms

Resources Loaded

12.2 sec

Page Rendered

8.5 sec

zappsite.nl screenshot

About Website

Click here to check amazing Zapp Site content. Otherwise, check out these important facts you probably never knew about zappsite.nl

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Key Findings

We analyzed Zappsite.nl page load time and found that the first response time was 251 ms and then it took 20.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.

Performance Metrics

zappsite.nl performance score

80

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

33/100

10%

LCP (Largest Contentful Paint)

Value3.6 s

62/100

25%

SI (Speed Index)

Value4.5 s

72/100

10%

TBT (Total Blocking Time)

Value50 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.028

100/100

15%

TTI (Time to Interactive)

Value3.6 s

91/100

10%

Network Requests Diagram

zappsite.nl

251 ms

www.zappsite.nl

3767 ms

style.css

246 ms

css

29 ms

prettyPhoto.css

359 ms

Our browser made a total of 239 requests to load all elements on the main page. We found that 98% of them (234 requests) were addressed to the original Zappsite.nl, 2% (4 requests) were made to Fonts.gstatic.com and 0% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (4.6 sec) belongs to the original domain Zappsite.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.5 MB (32%)

Content Size

4.8 MB

After Optimization

3.3 MB

In fact, the total size of Zappsite.nl main page is 4.8 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. 85% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 3.9 MB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 433.4 kB

  • Original 487.0 kB
  • After minification 331.1 kB
  • After compression 53.6 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 155.9 kB, which is 32% 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 433.4 kB or 89% of the original size.

Image Optimization

-21%

Potential reduce by 806.7 kB

  • Original 3.9 MB
  • After minification 3.1 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. Obviously, Zapp Site needs image optimization as it can save up to 806.7 kB or 21% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-69%

Potential reduce by 178.3 kB

  • Original 257.1 kB
  • After minification 253.4 kB
  • After compression 78.7 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 178.3 kB or 69% of the original size.

CSS Optimization

-82%

Potential reduce by 86.0 kB

  • Original 104.8 kB
  • After minification 85.7 kB
  • After compression 18.8 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. Zappsite.nl needs all CSS files to be minified and compressed as it can save up to 86.0 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 17 (7%)

Requests Now

232

After Optimization

215

The browser has sent 232 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zapp Site. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

zappsite.nl accessibility score

97

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.

Best Practices

zappsite.nl best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

zappsite.nl SEO score

81

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

    NL

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zappsite.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 Zappsite.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 Zapp Site. 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: