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zack.eu screenshot

Report Summary

  • 89

    Performance

    Renders faster than
    90% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 87% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

zack.eu

Zack - Follow your style

Page Load Speed

4.5 sec in total

First Response

320 ms

Resources Loaded

4.1 sec

Page Rendered

138 ms

zack.eu screenshot

About Website

Welcome to zack.eu homepage info - get ready to check Zack best content right away, or after learning these important things about zack.eu

Exklusive Lifestyle-Accessoires aus Edelstahl im edlen, schönen und zeitlosen Design. Zack Wohnaccessoires in wertigen Materialien und herausragender Qualität.

Visit zack.eu

Key Findings

We analyzed Zack.eu page load time and found that the first response time was 320 ms and then it took 4.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

zack.eu performance score

89

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.8 s

89/100

10%

LCP (Largest Contentful Paint)

Value1.8 s

98/100

25%

SI (Speed Index)

Value4.3 s

76/100

10%

TBT (Total Blocking Time)

Value180 ms

91/100

30%

CLS (Cumulative Layout Shift)

Value0.121

84/100

15%

TTI (Time to Interactive)

Value4.5 s

82/100

10%

Network Requests Diagram

zack.eu

320 ms

zack.info

311 ms

www.zack.info

397 ms

mod_jflanguageselection.css

112 ms

mootools-1.2.4-core-yc.js

320 ms

Our browser made a total of 22 requests to load all elements on the main page. We found that 5% of them (1 request) were addressed to the original Zack.eu, 95% (21 requests) were made to Zack.info. The less responsive or slowest element that took the longest time to load (2.7 sec) relates to the external source Zack.info.

Page Optimization Overview & Recommendations

Page size can be reduced by 141.7 kB (42%)

Content Size

337.7 kB

After Optimization

195.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zack.eu main page is 337.7 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. 15% of websites need less resources to load. Images take 179.1 kB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 8.9 kB

  • Original 12.7 kB
  • After minification 11.9 kB
  • After compression 3.8 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 8.9 kB or 70% of the original size.

Image Optimization

-12%

Potential reduce by 21.5 kB

  • Original 179.1 kB
  • After minification 157.7 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, Zack needs image optimization as it can save up to 21.5 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-74%

Potential reduce by 81.7 kB

  • Original 110.6 kB
  • After minification 96.8 kB
  • After compression 28.9 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 81.7 kB or 74% of the original size.

CSS Optimization

-84%

Potential reduce by 29.7 kB

  • Original 35.3 kB
  • After minification 25.6 kB
  • After compression 5.6 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. Zack.eu needs all CSS files to be minified and compressed as it can save up to 29.7 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (21%)

Requests Now

19

After Optimization

15

  • Images
  • JavaScript
  • CSS

The browser has sent 19 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zack. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

zack.eu

zack.eu

320 ms

zack.info

zack.info

311 ms

www.zack.info

www.zack.info

397 ms

mod_jflanguageselection.css

mod_jflanguageselection.css

112 ms

mootools-1.2.4-core-yc.js

mootools-1.2.4-core-yc.js

320 ms

mootools-1.2.4.4-more-yc.js

mootools-1.2.4.4-more-yc.js

208 ms

caption.js

caption.js

208 ms

template_css.css

template_css.css

209 ms

overlay.js

overlay.js

220 ms

multiBox.js

multiBox.js

227 ms

multiBox.css

multiBox.css

309 ms

de.gif

de.gif

115 ms

nl.gif

nl.gif

115 ms

fr.gif

fr.gif

117 ms

sv.gif

sv.gif

105 ms

zack_logo.jpg

zack_logo.jpg

212 ms

bohren.gif

bohren.gif

106 ms

bohren-bild.gif

bohren-bild.gif

211 ms

neuheiten.jpg

neuheiten.jpg

415 ms

slogan-transparent.png

slogan-transparent.png

220 ms

titlemotiv-animation.gif

titlemotiv-animation.gif

2707 ms

linea-teaser-2013-en.png

linea-teaser-2013-en.png

441 ms

Accessibility Review

zack.eu accessibility score

95

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.

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

zack.eu best practices score

92

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

Missing source maps for large first-party JavaScript

SEO Factors

zack.eu SEO score

86

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

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    EN

  • Encoding

    UTF-8

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

zack.eu

Open Graph description is not detected on the main page of Zack. 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: