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bitcoin.de screenshot

Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

bitcoin.de

Bitcoins kaufen, Bitcoin Kurs bei Bitcoin.de!

Page Load Speed

7.9 sec in total

First Response

745 ms

Resources Loaded

6.9 sec

Page Rendered

220 ms

bitcoin.de screenshot

About Website

Welcome to bitcoin.de homepage info - get ready to check Bitcoin best content for Germany right away, or after learning these important things about bitcoin.de

Bitcoin.de ist Deutschlands erster und größter Handelsplatz für die digitale Währung Bitcoin.

Visit bitcoin.de

Key Findings

We analyzed Bitcoin.de page load time and found that the first response time was 745 ms and then it took 7.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

bitcoin.de performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.2 s

8/100

10%

LCP (Largest Contentful Paint)

Value8.7 s

1/100

25%

SI (Speed Index)

Value8.5 s

18/100

10%

TBT (Total Blocking Time)

Value2,370 ms

5/100

30%

CLS (Cumulative Layout Shift)

Value0.017

100/100

15%

TTI (Time to Interactive)

Value15.7 s

6/100

10%

Network Requests Diagram

www.bitcoin.de

745 ms

en

2205 ms

css

64 ms

1454487148.css

821 ms

1445597433.js

1117 ms

Our browser made a total of 47 requests to load all elements on the main page. We found that 72% of them (34 requests) were addressed to the original Bitcoin.de, 9% (4 requests) were made to Translate.googleapis.com and 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (3 sec) belongs to the original domain Bitcoin.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 866.7 kB (63%)

Content Size

1.4 MB

After Optimization

510.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Bitcoin.de main page is 1.4 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. 35% of websites need less resources to load. Javascripts take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 137.7 kB

  • Original 187.2 kB
  • After minification 157.4 kB
  • After compression 49.5 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 29.8 kB, which is 16% 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 137.7 kB or 74% of the original size.

Image Optimization

-7%

Potential reduce by 4.6 kB

  • Original 67.7 kB
  • After minification 63.1 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. Bitcoin images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 723.9 kB

  • Original 1.1 MB
  • After minification 1.1 MB
  • After compression 393.7 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 723.9 kB or 65% of the original size.

CSS Optimization

-12%

Potential reduce by 537 B

  • Original 4.4 kB
  • After minification 4.3 kB
  • After compression 3.9 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. Bitcoin.de needs all CSS files to be minified and compressed as it can save up to 537 B or 12% of the original size.

Requests Breakdown

Number of requests can be reduced by 27 (63%)

Requests Now

43

After Optimization

16

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bitcoin. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.bitcoin.de

www.bitcoin.de

745 ms

en

en

2205 ms

css

css

64 ms

1454487148.css

1454487148.css

821 ms

1445597433.js

1445597433.js

1117 ms

element.js

element.js

83 ms

socket.io.min.js

socket.io.min.js

12 ms

analytics.js

analytics.js

91 ms

logo-sm.png

logo-sm.png

3010 ms

de.png

de.png

408 ms

en.png

en.png

38 ms

fr.png

fr.png

63 ms

es.png

es.png

63 ms

it.png

it.png

58 ms

europeanunion.png

europeanunion.png

59 ms

translateelement.css

translateelement.css

113 ms

main.js

main.js

116 ms

clock.png

clock.png

50 ms

s.gif

s.gif

48 ms

bg.png

bg.png

47 ms

de.png

de.png

49 ms

fidor.png

fidor.png

56 ms

verified.png

verified.png

62 ms

cz.png

cz.png

62 ms

MG9KbUZFchDs94Tbv9U-paCWcynf_cDxXwCLxiixG1c.ttf

MG9KbUZFchDs94Tbv9U-paCWcynf_cDxXwCLxiixG1c.ttf

106 ms

uDssvmXgp7Nj3i336k_dSonF5uFdDttMLvmWuJdhhgs.ttf

uDssvmXgp7Nj3i336k_dSonF5uFdDttMLvmWuJdhhgs.ttf

109 ms

sep.png

sep.png

56 ms

bug.png

bug.png

62 ms

indicator.gif

indicator.gif

65 ms

btc-movie-hermann-1.png

btc-movie-hermann-1.png

64 ms

mobile.png

mobile.png

108 ms

desktop.png

desktop.png

62 ms

collect

collect

27 ms

bc_logo_en.png

bc_logo_en.png

26 ms

arrow_ticker_sprite.png

arrow_ticker_sprite.png

25 ms

buy_sell.png

buy_sell.png

28 ms

cverlbg.gif

cverlbg.gif

28 ms

logo-bg-big.png

logo-bg-big.png

24 ms

element_main.js

element_main.js

40 ms

tick.png

tick.png

28 ms

hbg.png

hbg.png

27 ms

social.png

social.png

29 ms

408 ms

stats_hourly_eur_statistics_48hour.json

stats_hourly_eur_statistics_48hour.json

518 ms

translate_24dp.png

translate_24dp.png

64 ms

l

l

37 ms

cleardot.gif

cleardot.gif

43 ms

Accessibility Review

bitcoin.de accessibility score

84

Accessibility Issues

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-hidden="true"] elements contain focusable descendents

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

bitcoin.de best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

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

bitcoin.de SEO score

85

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

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

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 Bitcoin.de 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 Bitcoin.de 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

bitcoin.de

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