Tools & Wizards About Us
cardbit.io screenshot

Report Summary

  • 46

    Performance

    Renders faster than
    65% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

cardbit.io

Buy Bitcoins by Credit Card instantly. Crypto Invoices with Debit card as a payment method.

Page Load Speed

3.9 sec in total

First Response

51 ms

Resources Loaded

3.4 sec

Page Rendered

450 ms

cardbit.io screenshot

About Website

Welcome to cardbit.io homepage info - get ready to check Card Bit best content for United States right away, or after learning these important things about cardbit.io

Instantly Buy Bitcoins with Debit / Credit Card, use SEPA payments to Deposit and Withdraw Fiat Payments and Bitcoins. Send Crypto Invoices to Friends.

Visit cardbit.io

Key Findings

We analyzed Cardbit.io page load time and found that the first response time was 51 ms and then it took 3.9 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

cardbit.io performance score

46

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

57/100

10%

LCP (Largest Contentful Paint)

Value13.5 s

0/100

25%

SI (Speed Index)

Value7.0 s

32/100

10%

TBT (Total Blocking Time)

Value400 ms

68/100

30%

CLS (Cumulative Layout Shift)

Value0.057

98/100

15%

TTI (Time to Interactive)

Value11.8 s

17/100

10%

Network Requests Diagram

cardbit.io

51 ms

cardbit.io

583 ms

analytics.js

30 ms

css

40 ms

css

61 ms

Our browser made a total of 70 requests to load all elements on the main page. We found that 64% of them (45 requests) were addressed to the original Cardbit.io, 26% (18 requests) were made to Fonts.gstatic.com and 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.4 sec) belongs to the original domain Cardbit.io.

Page Optimization Overview & Recommendations

Page size can be reduced by 332.4 kB (18%)

Content Size

1.8 MB

After Optimization

1.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cardbit.io main page is 1.8 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. 60% of websites need less resources to load. Javascripts take 906.1 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 58.0 kB

  • Original 76.6 kB
  • After minification 63.5 kB
  • After compression 18.7 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 13.1 kB, which is 17% 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 58.0 kB or 76% of the original size.

Image Optimization

-33%

Potential reduce by 267.0 kB

  • Original 808.3 kB
  • After minification 541.3 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, Card Bit needs image optimization as it can save up to 267.0 kB or 33% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 1.2 kB

  • Original 906.1 kB
  • After minification 906.1 kB
  • After compression 904.9 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. This website has mostly compressed JavaScripts.

CSS Optimization

-12%

Potential reduce by 6.3 kB

  • Original 53.0 kB
  • After minification 53.0 kB
  • After compression 46.7 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. Cardbit.io needs all CSS files to be minified and compressed as it can save up to 6.3 kB or 12% of the original size.

Requests Breakdown

Number of requests can be reduced by 21 (42%)

Requests Now

50

After Optimization

29

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 50 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Card Bit. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

cardbit.io

cardbit.io

51 ms

cardbit.io

cardbit.io

583 ms

analytics.js

analytics.js

30 ms

css

css

40 ms

css

css

61 ms

highlight.min.css

highlight.min.css

454 ms

atom-one-dark.css

atom-one-dark.css

454 ms

swiper.min.css

swiper.min.css

433 ms

theme.css

theme.css

442 ms

styles.css

styles.css

426 ms

jquery.min.js

jquery.min.js

477 ms

api.js

api.js

60 ms

collect

collect

12 ms

js

js

69 ms

email-decode.min.js

email-decode.min.js

338 ms

vendor.js

vendor.js

790 ms

jquery.min.js

jquery.min.js

728 ms

popper.min.js

popper.min.js

766 ms

bootstrap.min.js

bootstrap.min.js

756 ms

fontawesome-all.min.js

fontawesome-all.min.js

787 ms

highlight.min.js

highlight.min.js

772 ms

swiper.min.js

swiper.min.js

1105 ms

theme.min.js

theme.min.js

1165 ms

main.js

main.js

1150 ms

app.js

app.js

1166 ms

recaptcha__en.js

recaptcha__en.js

103 ms

logo_inverse_white.svg

logo_inverse_white.svg

804 ms

bitcoin.svg

bitcoin.svg

803 ms

conversion.svg

conversion.svg

1083 ms

credit-card-64.png

credit-card-64.png

1132 ms

block_chain.svg

block_chain.svg

1128 ms

encryption.svg

encryption.svg

1115 ms

mining_pool2.svg

mining_pool2.svg

1176 ms

decentralized.svg

decentralized.svg

1188 ms

centralized.svg

centralized.svg

1479 ms

free.svg

free.svg

1487 ms

anonymity.svg

anonymity.svg

1529 ms

ledger.svg

ledger.svg

1539 ms

transaction.svg

transaction.svg

1570 ms

decryption.svg

decryption.svg

1599 ms

vector_plex_light_inv2.png

vector_plex_light_inv2.png

1883 ms

logo_blue.svg

logo_blue.svg

1881 ms

ibandirect_card.png

ibandirect_card.png

1954 ms

crypto_details_logo.png

crypto_details_logo.png

1955 ms

receive.svg

receive.svg

1672 ms

p2p.svg

p2p.svg

1999 ms

send.svg

send.svg

2043 ms

card-security.png

card-security.png

2289 ms

brief.png

brief.png

2289 ms

google-mobile.png

google-mobile.png

2340 ms

card-payment.png

card-payment.png

2351 ms

visa_mc_pci.png

visa_mc_pci.png

2326 ms

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60 ms

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68 ms

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76 ms

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84 ms

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84 ms

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97 ms

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145 ms

Accessibility Review

cardbit.io accessibility score

68

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.

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 IDs are not unique

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

cardbit.io 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

cardbit.io SEO score

92

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cardbit.io can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Cardbit.io 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

cardbit.io

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