Tools & Wizards About Us
blackcoiny.com screenshot

Report Summary

  • 30

    Performance

    Renders faster than
    50% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 78% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

blackcoiny.com

SKY PerfecTV!

Page Load Speed

4 sec in total

First Response

837 ms

Resources Loaded

2.1 sec

Page Rendered

1.1 sec

blackcoiny.com screenshot

About Website

Visit blackcoiny.com now to see the best up-to-date Blackcoiny content and also check out these interesting facts you probably never knew about blackcoiny.com

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Visit blackcoiny.com

Key Findings

We analyzed Blackcoiny.com page load time and found that the first response time was 837 ms and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

blackcoiny.com performance score

30

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.0 s

85/100

10%

LCP (Largest Contentful Paint)

Value11.4 s

0/100

25%

SI (Speed Index)

Value6.7 s

36/100

10%

TBT (Total Blocking Time)

Value1,680 ms

11/100

30%

CLS (Cumulative Layout Shift)

Value0.079

94/100

15%

TTI (Time to Interactive)

Value14.2 s

9/100

10%

Network Requests Diagram

www.skyperfectvs.com

837 ms

bt

36 ms

minified.js

62 ms

fetch.umd.js

191 ms

bolt-custom-elements.min.js

226 ms

Our browser made a total of 29 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Blackcoiny.com, 24% (7 requests) were made to Static.wixstatic.com and 10% (3 requests) were made to Skyperfectvs.com. The less responsive or slowest element that took the longest time to load (924 ms) relates to the external source Static.wixstatic.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 365.9 kB (71%)

Content Size

514.0 kB

After Optimization

148.1 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Blackcoiny.com main page is 514.0 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. 60% of websites need less resources to load. HTML takes 410.8 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 333.1 kB

  • Original 410.8 kB
  • After minification 409.0 kB
  • After compression 77.6 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 333.1 kB or 81% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 13.8 kB
  • After minification 13.8 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. Blackcoiny images are well optimized though.

JavaScript Optimization

-37%

Potential reduce by 32.8 kB

  • Original 89.4 kB
  • After minification 63.8 kB
  • After compression 56.6 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 32.8 kB or 37% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (35%)

Requests Now

23

After Optimization

15

  • AJAX
  • Images
  • JavaScript

The browser has sent 23 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Blackcoiny. 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

www.skyperfectvs.com

www.skyperfectvs.com

837 ms

bt

bt

36 ms

minified.js

minified.js

62 ms

fetch.umd.js

fetch.umd.js

191 ms

bolt-custom-elements.min.js

bolt-custom-elements.min.js

226 ms

requirejs.min.js

requirejs.min.js

255 ms

bolt-performance

bolt-performance

37 ms

dynamicmodel

dynamicmodel

121 ms

wixcode-worker.js

wixcode-worker.js

278 ms

wix-perf-measure.bundle.min.js

wix-perf-measure.bundle.min.js

243 ms

siteTags.bundle.min.js

siteTags.bundle.min.js

256 ms

f4f461_6c13b2e0e0c84bdfbd05f37f5188a5d6~mv2.gif

f4f461_6c13b2e0e0c84bdfbd05f37f5188a5d6~mv2.gif

548 ms

UpgradeBrowser.js

UpgradeBrowser.js

239 ms

hacker-backgrounds1.jpg

hacker-backgrounds1.jpg

877 ms

sukapa-card.jpg

sukapa-card.jpg

924 ms

coiny-card.jpg

coiny-card.jpg

890 ms

blackcoiny-card.jpg

blackcoiny-card.jpg

826 ms

035244_42d2c3e1d23a4802b2f590fb31a2fb47~mv2.png

035244_42d2c3e1d23a4802b2f590fb31a2fb47~mv2.png

547 ms

035244_41b52d13bf344b739924040d4ac6b270~mv2.png

035244_41b52d13bf344b739924040d4ac6b270~mv2.png

646 ms

JPN.svg

JPN.svg

521 ms

CHN.svg

CHN.svg

519 ms

liftedshadow_medium.png

liftedshadow_medium.png

320 ms

bt

bt

96 ms

4cefdf47-0136-4169-9933-3225dbbec9d9.woff

4cefdf47-0136-4169-9933-3225dbbec9d9.woff

92 ms

908c4810-64db-4b46-bb8e-823eb41f68c0.woff

908c4810-64db-4b46-bb8e-823eb41f68c0.woff

92 ms

eb1185bb-8f9d-4855-83fa-d06f0efef677.woff

eb1185bb-8f9d-4855-83fa-d06f0efef677.woff

75 ms

1c7b5ef1-5b09-4473-8003-a974846653a7.woff

1c7b5ef1-5b09-4473-8003-a974846653a7.woff

94 ms

xfu_0WLxV2_XKTNw6Ff3yg7C.woff

xfu_0WLxV2_XKTNw6Ff3yg7C.woff

160 ms

lodash.min.js

lodash.min.js

32 ms

Accessibility Review

blackcoiny.com accessibility score

92

Accessibility Issues

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

Buttons do not have an accessible name

Best Practices

blackcoiny.com best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

blackcoiny.com SEO score

93

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 doesn't use legible font sizes

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    JA

  • Encoding

    UTF-8

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

blackcoiny.com

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