Tools & Wizards About Us

Report Summary

  • 78

    Performance

    Renders faster than
    85% of other websites

  • 47

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

bitcoin4.us

Bitcoin for Us! The concept, the reality, the future.

Page Load Speed

1.9 sec in total

First Response

711 ms

Resources Loaded

1.1 sec

Page Rendered

159 ms

About Website

Visit bitcoin4.us now to see the best up-to-date Bitcoin 4 content for Pakistan and also check out these interesting facts you probably never knew about bitcoin4.us

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Key Findings

We analyzed Bitcoin4.us page load time and found that the first response time was 711 ms and then it took 1.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

bitcoin4.us performance score

78

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.9 s

100/100

10%

LCP (Largest Contentful Paint)

Value2.0 s

97/100

25%

SI (Speed Index)

Value5.3 s

57/100

10%

TBT (Total Blocking Time)

Value650 ms

46/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.2 s

94/100

10%

Network Requests Diagram

bitcoin4.us

711 ms

bitcoin4us_main.css

60 ms

5633c238311c4baf240aa548

25 ms

miner.min.js

355 ms

57e3fc6b7056922c667bd20c

33 ms

Our browser made a total of 12 requests to load all elements on the main page. We found that 50% of them (6 requests) were addressed to the original Bitcoin4.us, 33% (4 requests) were made to Ad.bitmedia.io and 8% (1 request) were made to Coinhive.com. The less responsive or slowest element that took the longest time to load (711 ms) belongs to the original domain Bitcoin4.us.

Page Optimization Overview & Recommendations

Page size can be reduced by 12.3 kB (8%)

Content Size

162.1 kB

After Optimization

149.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Bitcoin4.us main page is 162.1 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. Only 10% of websites need less resources to load. Images take 120.6 kB which makes up the majority of the site volume.

HTML Optimization

-60%

Potential reduce by 3.0 kB

  • Original 5.1 kB
  • After minification 4.9 kB
  • After compression 2.0 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 3.0 kB or 60% of the original size.

Image Optimization

-4%

Potential reduce by 5.3 kB

  • Original 120.6 kB
  • After minification 115.2 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. Bitcoin 4 images are well optimized though.

JavaScript Optimization

-11%

Potential reduce by 3.8 kB

  • Original 35.9 kB
  • After minification 35.9 kB
  • After compression 32.1 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 3.8 kB or 11% of the original size.

CSS Optimization

-22%

Potential reduce by 111 B

  • Original 509 B
  • After minification 509 B
  • After compression 398 B

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. Bitcoin4.us needs all CSS files to be minified and compressed as it can save up to 111 B or 22% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

9

After Optimization

9

  • Images
  • JavaScript
  • CSS

The browser has sent 9 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bitcoin 4. According to our analytics all requests are already optimized.

Network Requests Diagram

Accessibility Review

bitcoin4.us accessibility score

47

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

<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

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

bitcoin4.us best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

bitcoin4.us SEO score

69

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

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 Bitcoin4.us 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 Bitcoin4.us 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 4. 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: