Tools & Wizards About Us
btcxyw.com screenshot

Report Summary

  • 87

    Performance

    Renders faster than
    90% of other websites

  • 45

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

btcxyw.com

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Page Load Speed

6.2 sec in total

First Response

1.1 sec

Resources Loaded

4.6 sec

Page Rendered

400 ms

btcxyw.com screenshot

About Website

Click here to check amazing Btcxyw content. Otherwise, check out these important facts you probably never knew about btcxyw.com

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Key Findings

We analyzed Btcxyw.com page load time and found that the first response time was 1.1 sec and then it took 5 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

btcxyw.com performance score

87

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.1 s

99/100

10%

LCP (Largest Contentful Paint)

Value2.9 s

81/100

25%

SI (Speed Index)

Value8.0 s

22/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.1 s

100/100

10%

Network Requests Diagram

btcxyw.com

1125 ms

index.html

599 ms

style.css

431 ms

style.css

685 ms

cp_list.js

238 ms

Our browser made a total of 24 requests to load all elements on the main page. We found that all of those requests were addressed to Btcxyw.com and no external sources were called. The less responsive or slowest element that took the longest time to load (2.4 sec) belongs to the original domain Btcxyw.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 27.8 kB (5%)

Content Size

538.3 kB

After Optimization

510.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Btcxyw.com main page is 538.3 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. 15% of websites need less resources to load. Images take 517.3 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 14.1 kB

  • Original 18.8 kB
  • After minification 16.4 kB
  • After compression 4.7 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. This page needs HTML code to be minified as it can gain 2.4 kB, which is 13% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 14.1 kB or 75% of the original size.

Image Optimization

-3%

Potential reduce by 13.3 kB

  • Original 517.3 kB
  • After minification 504.0 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. Btcxyw images are well optimized though.

JavaScript Optimization

-36%

Potential reduce by 222 B

  • Original 619 B
  • After minification 619 B
  • After compression 397 B

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 222 B or 36% of the original size.

CSS Optimization

-10%

Potential reduce by 158 B

  • Original 1.6 kB
  • After minification 1.6 kB
  • After compression 1.4 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. Btcxyw.com has all CSS files already compressed.

Requests Breakdown

We found no issues to fix!

Requests Now

21

After Optimization

21

  • Images
  • JavaScript
  • CSS

The browser has sent 21 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Btcxyw. According to our analytics all requests are already optimized.

Network Requests Diagram

btcxyw.com

btcxyw.com

1125 ms

index.html

index.html

599 ms

style.css

style.css

431 ms

style.css

style.css

685 ms

cp_list.js

cp_list.js

238 ms

bg.jpg

bg.jpg

434 ms

logo.jpg

logo.jpg

889 ms

banner.jpg

banner.jpg

1101 ms

title.gif

title.gif

435 ms

pr_li.gif

pr_li.gif

445 ms

1.jpg

1.jpg

1327 ms

2.jpg

2.jpg

651 ms

3.jpg

3.jpg

863 ms

02.jpg

02.jpg

1784 ms

03.jpg

03.jpg

1227 ms

04.jpg

04.jpg

1509 ms

05.jpg

05.jpg

1549 ms

06.jpg

06.jpg

1324 ms

main_cp4.jpg

main_cp4.jpg

1444 ms

main_cp5.jpg

main_cp5.jpg

1548 ms

main_cp6.jpg

main_cp6.jpg

1550 ms

main_cp7.jpg

main_cp7.jpg

1662 ms

main_cp8.jpg

main_cp8.jpg

1725 ms

main_cp9.jpg

main_cp9.jpg

2427 ms

Accessibility Review

btcxyw.com accessibility score

45

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

Heading elements are not in a sequentially-descending order

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

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

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

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

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

Best Practices

btcxyw.com best practices score

58

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

btcxyw.com 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

    ZH

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Btcxyw.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese 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 Btcxyw.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

btcxyw.com

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