Tools & Wizards About Us
btczx.com screenshot

Report Summary

  • 52

    Performance

    Renders faster than
    69% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

btczx.com

比特在线

Page Load Speed

7.4 sec in total

First Response

805 ms

Resources Loaded

6.5 sec

Page Rendered

125 ms

btczx.com screenshot

About Website

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

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Visit btczx.com

Key Findings

We analyzed Btczx.com page load time and found that the first response time was 805 ms and then it took 6.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

btczx.com performance score

52

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

21/100

10%

LCP (Largest Contentful Paint)

Value4.1 s

46/100

25%

SI (Speed Index)

Value4.1 s

78/100

10%

TBT (Total Blocking Time)

Value830 ms

35/100

30%

CLS (Cumulative Layout Shift)

Value0.079

94/100

15%

TTI (Time to Interactive)

Value6.6 s

57/100

10%

Network Requests Diagram

btczx.com

805 ms

system.css

69 ms

jquery-1.11.3.min.js

274 ms

stat.php

2264 ms

templet-link.png

73 ms

Our browser made a total of 15 requests to load all elements on the main page. We found that 60% of them (9 requests) were addressed to the original Btczx.com, 7% (1 request) were made to V1.cnzz.com and 7% (1 request) were made to Oz.cnzz.com. The less responsive or slowest element that took the longest time to load (2.3 sec) relates to the external source V1.cnzz.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 29.3 kB (26%)

Content Size

113.0 kB

After Optimization

83.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Btczx.com main page is 113.0 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. 15% of websites need less resources to load. Images take 83.0 kB which makes up the majority of the site volume.

HTML Optimization

-64%

Potential reduce by 2.6 kB

  • Original 4.1 kB
  • After minification 3.4 kB
  • After compression 1.5 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. This page needs HTML code to be minified as it can gain 703 B, which is 17% 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 2.6 kB or 64% of the original size.

Image Optimization

-8%

Potential reduce by 7.0 kB

  • Original 83.0 kB
  • After minification 75.9 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. Btczx images are well optimized though.

JavaScript Optimization

-64%

Potential reduce by 6.9 kB

  • Original 10.7 kB
  • After minification 10.7 kB
  • After compression 3.8 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 6.9 kB or 64% of the original size.

CSS Optimization

-84%

Potential reduce by 12.8 kB

  • Original 15.2 kB
  • After minification 8.2 kB
  • After compression 2.4 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. Btczx.com needs all CSS files to be minified and compressed as it can save up to 12.8 kB or 84% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

13

After Optimization

13

  • Images
  • JavaScript
  • CSS

The browser has sent 13 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Btczx. According to our analytics all requests are already optimized.

Network Requests Diagram

btczx.com

btczx.com

805 ms

system.css

system.css

69 ms

jquery-1.11.3.min.js

jquery-1.11.3.min.js

274 ms

stat.php

stat.php

2264 ms

templet-link.png

templet-link.png

73 ms

body-bg-6.jpg

body-bg-6.jpg

685 ms

search-icon.png

search-icon.png

131 ms

common-avatar.png

common-avatar.png

131 ms

contact-qq.png

contact-qq.png

133 ms

8e905bd68c9d88c12451a09604ec3af4_email.png

8e905bd68c9d88c12451a09604ec3af4_email.png

139 ms

stat.htm

stat.htm

158 ms

core.php

core.php

723 ms

9.gif

9.gif

1379 ms

pic.gif

pic.gif

750 ms

app.gif

app.gif

1337 ms

Accessibility Review

btczx.com accessibility score

89

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

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

Links do not have a discernible name

Best Practices

btczx.com best practices score

67

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

btczx.com 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

    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 Btczx.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 Btczx.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

btczx.com

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