Report Summary

  • 25

    Performance

    Renders faster than
    44% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 84% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

tcang.net

2020 China POS System, POS Machine, POS Terminal Manufacturer

Page Load Speed

17.5 sec in total

First Response

1.6 sec

Resources Loaded

11.4 sec

Page Rendered

4.5 sec

tcang.net screenshot

About Website

Visit tcang.net now to see the best up-to-date Tcang content and also check out these interesting facts you probably never knew about tcang.net

Tcang specializes in the design, production and sales of POS system, POS terminals, POS machines, Point of sale Devices, payment machines.

Visit tcang.net

Key Findings

We analyzed Tcang.net page load time and found that the first response time was 1.6 sec and then it took 15.9 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

tcang.net performance score

25

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

16/100

10%

LCP (Largest Contentful Paint)

Value13.6 s

0/100

25%

SI (Speed Index)

Value14.1 s

1/100

10%

TBT (Total Blocking Time)

Value940 ms

29/100

30%

CLS (Cumulative Layout Shift)

Value0.089

92/100

15%

TTI (Time to Interactive)

Value15.0 s

7/100

10%

Network Requests Diagram

www.tcang.net

1600 ms

autoptimize_1ab46dc367233c0741af1fe6ad1fe404.css

748 ms

autoptimize_single_ae4132d6ae4ee9e464ea1f54e5c8b7c1.css

141 ms

autoptimize_single_e838cc9ba0e8c968d7a9fe5e1dd3fc06.css

143 ms

autoptimize_single_70bd39c62943a40a0918095fa4d7acec.css

156 ms

Our browser made a total of 69 requests to load all elements on the main page. We found that 77% of them (53 requests) were addressed to the original Tcang.net, 9% (6 requests) were made to Googletagmanager.com and 6% (4 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (7.6 sec) belongs to the original domain Tcang.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 279.4 kB (12%)

Content Size

2.3 MB

After Optimization

2.0 MB

In fact, the total size of Tcang.net main page is 2.3 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 1.9 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 92.9 kB

  • Original 109.9 kB
  • After minification 109.1 kB
  • After compression 17.0 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 92.9 kB or 85% of the original size.

Image Optimization

-1%

Potential reduce by 13.3 kB

  • Original 1.9 MB
  • After minification 1.9 MB

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. Tcang images are well optimized though.

JavaScript Optimization

-25%

Potential reduce by 32.2 kB

  • Original 129.9 kB
  • After minification 129.9 kB
  • After compression 97.7 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 32.2 kB or 25% of the original size.

CSS Optimization

-92%

Potential reduce by 141.0 kB

  • Original 153.3 kB
  • After minification 12.3 kB
  • After compression 12.2 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. Tcang.net needs all CSS files to be minified and compressed as it can save up to 141.0 kB or 92% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (43%)

Requests Now

54

After Optimization

31

The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tcang. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

tcang.net accessibility score

94

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

tcang.net 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

High

Missing source maps for large first-party JavaScript

SEO Factors

tcang.net SEO score

92

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

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

High

Tap targets are not sized appropriately

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 Tcang.net 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 Tcang.net 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

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