Tools & Wizards About Us
scalingbitcoin.org screenshot

Report Summary

  • 57

    Performance

    Renders faster than
    73% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

scalingbitcoin.org

Scaling Bitcoin Workshop

Page Load Speed

7.6 sec in total

First Response

290 ms

Resources Loaded

7.2 sec

Page Rendered

127 ms

scalingbitcoin.org screenshot

About Website

Click here to check amazing Scaling Bitcoin content for United States. Otherwise, check out these important facts you probably never knew about scalingbitcoin.org

Bitcoin Scalability Workshops for Engineering and Academic community.

Visit scalingbitcoin.org

Key Findings

We analyzed Scalingbitcoin.org page load time and found that the first response time was 290 ms and then it took 7.3 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

scalingbitcoin.org performance score

57

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

24/100

10%

LCP (Largest Contentful Paint)

Value4.1 s

47/100

25%

SI (Speed Index)

Value6.5 s

39/100

10%

TBT (Total Blocking Time)

Value450 ms

63/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value7.4 s

49/100

10%

Network Requests Diagram

scalingbitcoin.org

290 ms

scalingbitcoin.org

535 ms

combine:css:material-design-lite:material.min;site:css:slick:slick;site:css:slick:slick-theme;site:css:iris-media-slider;site:css:iris-media-box;site:css:iris-jquery-tweets;boxmodal;site:css:style

622 ms

moment-with-locales.js

509 ms

combine:js:material-design-lite:material.min;jquery-2.1.3.min;jquery.easing.1.3;boxmodal;underscore-min;scripts:slick.min;api;site:scripts:iris-media-slider;site:scripts:iris-media-box;site:scripts:iris-jquery-tweets

1018 ms

Our browser made a total of 68 requests to load all elements on the main page. We found that 91% of them (62 requests) were addressed to the original Scalingbitcoin.org, 3% (2 requests) were made to Google-analytics.com and 1% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (3 sec) belongs to the original domain Scalingbitcoin.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 89.4 kB (8%)

Content Size

1.1 MB

After Optimization

1.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Scalingbitcoin.org 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. 40% of websites need less resources to load. Images take 756.7 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 18.0 kB

  • Original 23.2 kB
  • After minification 21.2 kB
  • After compression 5.2 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 18.0 kB or 78% of the original size.

Image Optimization

-9%

Potential reduce by 66.5 kB

  • Original 756.7 kB
  • After minification 690.1 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. Scaling Bitcoin images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 906 B

  • Original 307.2 kB
  • After minification 307.2 kB
  • After compression 306.3 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

-11%

Potential reduce by 3.9 kB

  • Original 36.2 kB
  • After minification 36.2 kB
  • After compression 32.3 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. Scalingbitcoin.org needs all CSS files to be minified and compressed as it can save up to 3.9 kB or 11% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (8%)

Requests Now

65

After Optimization

60

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 65 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Scaling 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 6 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

scalingbitcoin.org

scalingbitcoin.org

290 ms

scalingbitcoin.org

scalingbitcoin.org

535 ms

combine:css:material-design-lite:material.min;site:css:slick:slick;site:css:slick:slick-theme;site:css:iris-media-slider;site:css:iris-media-box;site:css:iris-jquery-tweets;boxmodal;site:css:style

combine:css:material-design-lite:material.min;site:css:slick:slick;site:css:slick:slick-theme;site:css:iris-media-slider;site:css:iris-media-box;site:css:iris-jquery-tweets;boxmodal;site:css:style

622 ms

moment-with-locales.js

moment-with-locales.js

509 ms

combine:js:material-design-lite:material.min;jquery-2.1.3.min;jquery.easing.1.3;boxmodal;underscore-min;scripts:slick.min;api;site:scripts:iris-media-slider;site:scripts:iris-media-box;site:scripts:iris-jquery-tweets

combine:js:material-design-lite:material.min;jquery-2.1.3.min;jquery.easing.1.3;boxmodal;underscore-min;scripts:slick.min;api;site:scripts:iris-media-slider;site:scripts:iris-media-box;site:scripts:iris-jquery-tweets

1018 ms

css

css

34 ms

api.js

api.js

37 ms

social-icon-bitcoin-edge.png

social-icon-bitcoin-edge.png

482 ms

social-icon-twitter.png

social-icon-twitter.png

510 ms

social-icon-irc.png

social-icon-irc.png

473 ms

social-icon-youtube.png

social-icon-youtube.png

595 ms

social-icon-wechat.png

social-icon-wechat.png

602 ms

social-icon-weibo.png

social-icon-weibo.png

603 ms

social-icons.png

social-icons.png

945 ms

home.png

home.png

979 ms

classroom.png

classroom.png

1006 ms

presentation.png

presentation.png

1057 ms

workflow.png

workflow.png

1087 ms

overtime.png

overtime.png

1071 ms

logo-text.svg

logo-text.svg

1420 ms

tent.png

tent.png

1443 ms

classroom.png

classroom.png

1487 ms

bitcoinedge.svg

bitcoinedge.svg

1560 ms

workflow.png

workflow.png

1552 ms

presentation.png

presentation.png

1571 ms

archive.png

archive.png

1924 ms

book.png

book.png

1924 ms

dna-helix.png

dna-helix.png

1953 ms

law.png

law.png

2019 ms

about.png

about.png

2028 ms

overtime.png

overtime.png

2059 ms

geo-fence.png

geo-fence.png

2390 ms

camcoder-pro.png

camcoder-pro.png

2421 ms

questions.png

questions.png

2422 ms

chaincode-labs.png

chaincode-labs.png

2491 ms

dcd.png

dcd.png

2154 ms

f2pool.png

f2pool.png

2531 ms

lemniscap.png

lemniscap.png

2636 ms

crypto-garage.png

crypto-garage.png

2898 ms

blockstream.png

blockstream.png

2894 ms

andromedacs.png

andromedacs.png

2915 ms

beam.png

beam.png

2971 ms

recaptcha__en.js

recaptcha__en.js

135 ms

analytics.js

analytics.js

118 ms

fulgur.png

fulgur.png

2992 ms

collect

collect

54 ms

js

js

62 ms

MaterialIcons-Regular.woff

MaterialIcons-Regular.woff

2925 ms

braiins.png

braiins.png

2896 ms

bitonic.png

bitonic.png

2859 ms

daglabs.png

daglabs.png

2819 ms

mit-dci.png

mit-dci.png

2882 ms

stanford-seclab.png

stanford-seclab.png

2878 ms

bsafe.png

bsafe.png

2931 ms

base-alliance.png

base-alliance.png

2892 ms

fcsc-huj.png

fcsc-huj.png

2865 ms

icl.png

icl.png

2862 ms

tu-wien.png

tu-wien.png

2881 ms

technion.png

technion.png

2895 ms

ic3.png

ic3.png

2918 ms

cal.png

cal.png

2912 ms

bcademy.png

bcademy.png

2856 ms

dg-lab-large.png

dg-lab-large.png

2837 ms

bitembassy.png

bitembassy.png

2901 ms

iba.png

iba.png

2882 ms

toilab.png

toilab.png

2889 ms

beer-sheva.png

beer-sheva.png

2923 ms

async.css

async.css

470 ms

Accessibility Review

scalingbitcoin.org accessibility score

78

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

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

scalingbitcoin.org 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

Page has valid source maps

SEO Factors

scalingbitcoin.org SEO score

83

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

High

Tap targets are not sized appropriately

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 Scalingbitcoin.org 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 Scalingbitcoin.org 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

scalingbitcoin.org

Open Graph data is detected on the main page of Scaling Bitcoin. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: