Tools & Wizards About Us

Report Summary

  • 75

    Performance

    Renders faster than
    83% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

bitcoinpaperwallet.com

Bitcoin Paper Wallet Generator: Print Offline Tamper-Resistant Addresses

Page Load Speed

5.8 sec in total

First Response

138 ms

Resources Loaded

5 sec

Page Rendered

716 ms

About Website

Click here to check amazing Bitcoin Paper Wallet content for Iran. Otherwise, check out these important facts you probably never knew about bitcoinpaperwallet.com

Print your own offline tamper resistant paper wallets to store bitcoins in 'cold storage'. Uses secure BitAddress open-source JavaScript key generator. Supports Litecoin and Dogecoin as well.

Visit bitcoinpaperwallet.com

Key Findings

We analyzed Bitcoinpaperwallet.com page load time and found that the first response time was 138 ms and then it took 5.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

bitcoinpaperwallet.com performance score

75

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

37/100

10%

LCP (Largest Contentful Paint)

Value3.7 s

57/100

25%

SI (Speed Index)

Value5.6 s

52/100

10%

TBT (Total Blocking Time)

Value110 ms

97/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.7 s

80/100

10%

Network Requests Diagram

bitcoinpaperwallet.com

138 ms

bitcoinpaperwallet.com

110 ms

bitcoinpaperwallet.io

372 ms

jquerymin.js

107 ms

style.css

118 ms

Our browser made a total of 48 requests to load all elements on the main page. We found that 4% of them (2 requests) were addressed to the original Bitcoinpaperwallet.com, 90% (43 requests) were made to Bitcoinpaperwallet.io and 4% (2 requests) were made to Stats.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (3.7 sec) relates to the external source Bitcoinpaperwallet.io.

Page Optimization Overview & Recommendations

Page size can be reduced by 85.8 kB (8%)

Content Size

1.1 MB

After Optimization

1.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Bitcoinpaperwallet.com main page is 1.1 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. 25% of websites need less resources to load. Images take 979.0 kB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 34.8 kB

  • Original 49.9 kB
  • After minification 48.9 kB
  • After compression 15.2 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 34.8 kB or 70% of the original size.

Image Optimization

-5%

Potential reduce by 47.3 kB

  • Original 979.0 kB
  • After minification 931.7 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. Bitcoin Paper Wallet images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 2.0 kB

  • Original 92.5 kB
  • After minification 92.5 kB
  • After compression 90.4 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

-24%

Potential reduce by 1.8 kB

  • Original 7.4 kB
  • After minification 7.4 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. Bitcoinpaperwallet.com needs all CSS files to be minified and compressed as it can save up to 1.8 kB or 24% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (19%)

Requests Now

43

After Optimization

35

  • Images
  • JavaScript
  • CSS

The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bitcoin Paper Wallet. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

bitcoinpaperwallet.com accessibility score

82

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

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

Form elements do not have associated labels

Best Practices

bitcoinpaperwallet.com 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

SEO Factors

bitcoinpaperwallet.com SEO score

82

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

Links do not have descriptive text

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bitcoinpaperwallet.com can be misinterpreted by Google and other search engines. Our service has detected that English 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 Bitcoinpaperwallet.com 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 description is not detected on the main page of Bitcoin Paper Wallet. 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: