Report Summary

  • 48

    Performance

    Renders faster than
    67% 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

  • 93

    SEO

    Google-friendlier than
    84% of websites

czarni.eu

Uw blog en startpagina

Page Load Speed

11.3 sec in total

First Response

337 ms

Resources Loaded

9.8 sec

Page Rendered

1.1 sec

czarni.eu screenshot

About Website

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

Visit czarni.eu

Key Findings

We analyzed Czarni.eu page load time and found that the first response time was 337 ms and then it took 10.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

czarni.eu performance score

48

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

46/100

10%

LCP (Largest Contentful Paint)

Value4.2 s

45/100

25%

SI (Speed Index)

Value5.6 s

53/100

10%

TBT (Total Blocking Time)

Value1,500 ms

14/100

30%

CLS (Cumulative Layout Shift)

Value0.046

99/100

15%

TTI (Time to Interactive)

Value5.2 s

74/100

10%

Network Requests Diagram

czarni.eu

337 ms

czarni.linuxpl.info

5971 ms

slimbox.css

167 ms

joooidcontent.css

195 ms

grid-12.css

172 ms

Our browser made a total of 147 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Czarni.eu, 82% (120 requests) were made to Czarni.linuxpl.info and 7% (10 requests) were made to Static.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (6 sec) relates to the external source Czarni.linuxpl.info.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.1 MB (16%)

Content Size

7.2 MB

After Optimization

6.1 MB

In fact, the total size of Czarni.eu main page is 7.2 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. 70% of websites need less resources to load. Images take 6.3 MB which makes up the majority of the site volume.

HTML Optimization

-27%

Potential reduce by 74 B

  • Original 274 B
  • After minification 273 B
  • After compression 200 B

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 74 B or 27% of the original size.

Image Optimization

-7%

Potential reduce by 454.7 kB

  • Original 6.3 MB
  • After minification 5.8 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. Czarni images are well optimized though.

JavaScript Optimization

-71%

Potential reduce by 619.8 kB

  • Original 869.8 kB
  • After minification 851.3 kB
  • After compression 249.9 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 619.8 kB or 71% of the original size.

CSS Optimization

-80%

Potential reduce by 67.1 kB

  • Original 83.5 kB
  • After minification 70.3 kB
  • After compression 16.4 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. Czarni.eu needs all CSS files to be minified and compressed as it can save up to 67.1 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 70 (49%)

Requests Now

144

After Optimization

74

The browser has sent 144 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Czarni. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 27 to 1 for JavaScripts and from 18 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

czarni.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

czarni.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

SEO Factors

czarni.eu SEO score

93

Search Engine Optimization Advices

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

    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 Czarni.eu 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 Czarni.eu 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

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