Tools & Wizards About Us
bcb.io screenshot

Report Summary

  • 93

    Performance

    Renders faster than
    92% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

bcb.io

BCB Bets

Page Load Speed

975 ms in total

First Response

49 ms

Resources Loaded

750 ms

Page Rendered

176 ms

bcb.io screenshot

About Website

Visit bcb.io now to see the best up-to-date BCB content for United States and also check out these interesting facts you probably never knew about bcb.io

Web site created using create-react-app

Visit bcb.io

Key Findings

We analyzed Bcb.io page load time and found that the first response time was 49 ms and then it took 926 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

bcb.io performance score

93

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

88/100

10%

LCP (Largest Contentful Paint)

Value2.5 s

89/100

25%

SI (Speed Index)

Value1.9 s

100/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.119

85/100

15%

TTI (Time to Interactive)

Value3.9 s

88/100

10%

Network Requests Diagram

bcb.io

49 ms

main.css

8 ms

source-sans-pro:n2,i2,n3,i3,n4,i4,n6,i6,n7,i7,n9,i9;source-code-pro:n4,n7;volkhov.js

131 ms

modernizr-2.7.1.custom.min.js

15 ms

MathJax.js

62 ms

Our browser made a total of 29 requests to load all elements on the main page. We found that 17% of them (5 requests) were addressed to the original Bcb.io, 69% (20 requests) were made to Use.edgefonts.net and 7% (2 requests) were made to Cdn.mathjax.org. The less responsive or slowest element that took the longest time to load (187 ms) relates to the external source Use.edgefonts.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 231.0 kB (73%)

Content Size

318.2 kB

After Optimization

87.2 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of Bcb.io main page is 318.2 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. 50% of websites need less resources to load. Javascripts take 240.9 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 15.7 kB

  • Original 21.1 kB
  • After minification 20.1 kB
  • After compression 5.5 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. 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 15.7 kB or 74% of the original size.

JavaScript Optimization

-71%

Potential reduce by 171.1 kB

  • Original 240.9 kB
  • After minification 240.9 kB
  • After compression 69.8 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 171.1 kB or 71% of the original size.

CSS Optimization

-79%

Potential reduce by 44.2 kB

  • Original 56.1 kB
  • After minification 56.0 kB
  • After compression 11.9 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. Bcb.io needs all CSS files to be minified and compressed as it can save up to 44.2 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (56%)

Requests Now

9

After Optimization

4

  • Images
  • JavaScript
  • CSS

The browser has sent 9 CSS, Javascripts, AJAX and image requests in order to completely render the main page of BCB. 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

bcb.io

bcb.io

49 ms

main.css

main.css

8 ms

source-sans-pro:n2,i2,n3,i3,n4,i4,n6,i6,n7,i7,n9,i9;source-code-pro:n4,n7;volkhov.js

source-sans-pro:n2,i2,n3,i3,n4,i4,n6,i6,n7,i7,n9,i9;source-code-pro:n4,n7;volkhov.js

131 ms

modernizr-2.7.1.custom.min.js

modernizr-2.7.1.custom.min.js

15 ms

MathJax.js

MathJax.js

62 ms

jquery.min.js

jquery.min.js

81 ms

scripts.min.js

scripts.min.js

35 ms

bcb.io

bcb.io

120 ms

TeX-AMS-MML_HTMLorMML.js

TeX-AMS-MML_HTMLorMML.js

115 ms

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37 ms

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bNqBFEbGF2IKXqER1aep811dPkp-qXpD2_G27s-AgAbffF-AEN32IgCjMKM2HMJkIWmDZPo8Zei8ZcN0iYw0dcmX5Mw.woff

71 ms

kDx2qCTTsf6gX5wIHcIWmifn-w2ccPDDuYDCzqlWkVJffFPAEN32IgCjMKM2HMJkIWmDZPo8Zei8ZcN0iYw0dcmX5MJ.woff

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101 ms

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120 ms

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124 ms

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139 ms

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140 ms

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171 ms

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156 ms

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170 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

30 ms

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150 ms

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154 ms

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155 ms

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181 ms

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182 ms

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183 ms

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187 ms

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186 ms

p.gif

p.gif

124 ms

Accessibility Review

bcb.io accessibility score

100

Accessibility Issues

Best Practices

bcb.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

SEO Factors

bcb.io SEO score

92

Search Engine Optimization Advices

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 Bcb.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 Bcb.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

bcb.io

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