Report Summary

  • 47

    Performance

    Renders faster than
    66% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 60% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

4coins.pl

Kantor Bitcoin - szybki zakup i sprzedaż bitcoinów | 4coins

Page Load Speed

2.6 sec in total

First Response

212 ms

Resources Loaded

2.3 sec

Page Rendered

144 ms

4coins.pl screenshot

About Website

Welcome to 4coins.pl homepage info - get ready to check 4 Coins best content for Netherlands right away, or after learning these important things about 4coins.pl

Kantor Bitcoin - szybki zakup i sprzedaż bitcoinów. Najlepszy kurs - także za gotówkę. Obsługujemy szybkie przelewy, wpłaty gotówkowe, przelewy pocztowe, bony ukash oraz skycash i płatności kartą w pu...

Visit 4coins.pl

Key Findings

We analyzed 4coins.pl page load time and found that the first response time was 212 ms and then it took 2.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

4coins.pl performance score

47

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.7 s

13/100

10%

LCP (Largest Contentful Paint)

Value4.7 s

33/100

25%

SI (Speed Index)

Value11.7 s

4/100

10%

TBT (Total Blocking Time)

Value130 ms

96/100

30%

CLS (Cumulative Layout Shift)

Value0.501

16/100

15%

TTI (Time to Interactive)

Value6.2 s

62/100

10%

Network Requests Diagram

4coins.pl

212 ms

www.4coins.pl

1040 ms

language-selector.css

94 ms

styles.css

189 ms

font-awesome.min.css

26 ms

Our browser made a total of 47 requests to load all elements on the main page. We found that 91% of them (43 requests) were addressed to the original 4coins.pl, 4% (2 requests) were made to Google-analytics.com and 2% (1 request) were made to Netdna.bootstrapcdn.com. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain 4coins.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 365.5 kB (56%)

Content Size

656.2 kB

After Optimization

290.7 kB

In fact, the total size of 4coins.pl main page is 656.2 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. 35% of websites need less resources to load. Javascripts take 285.6 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 14.0 kB

  • Original 18.6 kB
  • After minification 16.5 kB
  • After compression 4.7 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 2.2 kB, which is 12% 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 14.0 kB or 75% of the original size.

Image Optimization

-17%

Potential reduce by 31.6 kB

  • Original 187.9 kB
  • After minification 156.2 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, 4 Coins needs image optimization as it can save up to 31.6 kB or 17% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-63%

Potential reduce by 180.8 kB

  • Original 285.6 kB
  • After minification 274.4 kB
  • After compression 104.9 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 180.8 kB or 63% of the original size.

CSS Optimization

-85%

Potential reduce by 139.1 kB

  • Original 164.1 kB
  • After minification 137.0 kB
  • After compression 24.9 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. 4coins.pl needs all CSS files to be minified and compressed as it can save up to 139.1 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 22 (55%)

Requests Now

40

After Optimization

18

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 4 Coins. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

4coins.pl accessibility score

85

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

Image elements do not have [alt] attributes

Best Practices

4coins.pl 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

Page has valid source maps

SEO Factors

4coins.pl SEO score

90

Search Engine Optimization Advices

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

    PL

  • Language Claimed

    PL

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 4coins.pl can be misinterpreted by Google and other search engines. Our service has detected that Polish is used on the page, and it matches the claimed language. Our system also found out that 4coins.pl 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 4 Coins. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: