Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 61

    Accessibility

    Visual factors better than
    that of 27% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 85

    SEO

    Google-friendlier than
    56% of websites

piv.com.cn

北京立方天地科技发展有限责任公司

Page Load Speed

28.8 sec in total

First Response

4.1 sec

Resources Loaded

24.4 sec

Page Rendered

261 ms

piv.com.cn screenshot

About Website

Welcome to piv.com.cn homepage info - get ready to check Piv best content for China right away, or after learning these important things about piv.com.cn

北京立方天地科技作为国内PIV系统生产商,业务范围涵盖了PIV技术相关的设备生产、销售、使用、维护到客户订制方案的解决。北京高素质的研发团队保证用户可以不断拥有采用新型的PIV技术开发所得各种产品.

Visit piv.com.cn

Key Findings

We analyzed Piv.com.cn page load time and found that the first response time was 4.1 sec and then it took 24.6 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there were 9 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

piv.com.cn performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.5 s

6/100

10%

LCP (Largest Contentful Paint)

Value8.3 s

2/100

25%

SI (Speed Index)

Value22.5 s

0/100

10%

TBT (Total Blocking Time)

Value2,200 ms

6/100

30%

CLS (Cumulative Layout Shift)

Value0.114

86/100

15%

TTI (Time to Interactive)

Value24.0 s

1/100

10%

Network Requests Diagram

piv.com.cn

4148 ms

image.js

2113 ms

top.js

906 ms

mystat.asp

1216 ms

mycss.css

1061 ms

Our browser made a total of 45 requests to load all elements on the main page. We found that all of those requests were addressed to Piv.com.cn and no external sources were called. The less responsive or slowest element that took the longest time to load (20.1 sec) belongs to the original domain Piv.com.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 74.5 kB (19%)

Content Size

401.8 kB

After Optimization

327.2 kB

In fact, the total size of Piv.com.cn main page is 401.8 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. Only 5% of websites need less resources to load. Images take 365.8 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 27.4 kB

  • Original 32.3 kB
  • After minification 27.9 kB
  • After compression 4.9 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 4.5 kB, which is 14% 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 27.4 kB or 85% of the original size.

Image Optimization

-12%

Potential reduce by 44.8 kB

  • Original 365.8 kB
  • After minification 321.1 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, Piv needs image optimization as it can save up to 44.8 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-63%

Potential reduce by 1.7 kB

  • Original 2.7 kB
  • After minification 2.1 kB
  • After compression 1.0 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 1.7 kB or 63% of the original size.

CSS Optimization

-78%

Potential reduce by 655 B

  • Original 845 B
  • After minification 725 B
  • After compression 190 B

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. Piv.com.cn needs all CSS files to be minified and compressed as it can save up to 655 B or 78% of the original size.

Requests Breakdown

Number of requests can be reduced by 7 (20%)

Requests Now

35

After Optimization

28

The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Piv. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Accessibility Review

piv.com.cn accessibility score

61

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

piv.com.cn best practices score

75

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

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

piv.com.cn SEO score

85

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

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

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

    GB2312

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Piv.com.cn 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 Piv.com.cn 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 Piv. 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: