Report Summary

  • 70

    Performance

    Renders faster than
    81% of other websites

  • 46

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    18% of websites

  • 54

    SEO

    Google-friendlier than
    19% of websites

tzcx.net

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Page Load Speed

16.4 sec in total

First Response

2.3 sec

Resources Loaded

13.8 sec

Page Rendered

220 ms

tzcx.net screenshot

About Website

Welcome to tzcx.net homepage info - get ready to check Tzcx best content right away, or after learning these important things about tzcx.net

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Visit tzcx.net

Key Findings

We analyzed Tzcx.net page load time and found that the first response time was 2.3 sec and then it took 14 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

tzcx.net performance score

70

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.8 s

90/100

10%

LCP (Largest Contentful Paint)

Value5.1 s

25/100

25%

SI (Speed Index)

Value5.2 s

59/100

10%

TBT (Total Blocking Time)

Value230 ms

86/100

30%

CLS (Cumulative Layout Shift)

Value0.021

100/100

15%

TTI (Time to Interactive)

Value4.3 s

85/100

10%

Network Requests Diagram

tzcx.net

2349 ms

style.css

635 ms

font.css

1174 ms

style1.css

618 ms

style1.css

554 ms

Our browser made a total of 65 requests to load all elements on the main page. We found that 82% of them (53 requests) were addressed to the original Tzcx.net, 11% (7 requests) were made to Tzcx.net.cdn243.hnpet.net and 3% (2 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (6.8 sec) relates to the external source Tzcx.net.cdn243.hnpet.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 244.2 kB (51%)

Content Size

481.4 kB

After Optimization

237.2 kB

In fact, the total size of Tzcx.net main page is 481.4 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. 20% of websites need less resources to load. Images take 190.2 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 17.7 kB

  • Original 23.0 kB
  • After minification 20.2 kB
  • After compression 5.3 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 2.7 kB, which is 12% 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 17.7 kB or 77% of the original size.

Image Optimization

-16%

Potential reduce by 31.2 kB

  • Original 190.2 kB
  • After minification 159.1 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. Obviously, Tzcx needs image optimization as it can save up to 31.2 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-67%

Potential reduce by 114.6 kB

  • Original 172.0 kB
  • After minification 169.2 kB
  • After compression 57.4 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 114.6 kB or 67% of the original size.

CSS Optimization

-84%

Potential reduce by 80.8 kB

  • Original 96.2 kB
  • After minification 68.9 kB
  • After compression 15.4 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. Tzcx.net needs all CSS files to be minified and compressed as it can save up to 80.8 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 18 (33%)

Requests Now

54

After Optimization

36

The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tzcx. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

tzcx.net accessibility score

46

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.

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

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

High

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

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

tzcx.net best practices score

50

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

tzcx.net SEO score

54

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

High

Page is blocked from indexing

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

    GB2312

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tzcx.net 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 Tzcx.net main page’s claimed encoding is gb2312. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

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