Access zkteco.cn. 我司专业销售安装ZKTeco产品|提供专业的解决方案|ZKTeco中控太科营销中心-提供ZKTeco产品销售及解决方案|提供原厂质保及服务|

name

value

score

weighting

FCP (First Contentful Paint)

Value5.4 s

6/100

10%

LCP (Largest Contentful Paint)

Value17.8 s

0/100

25%

SI (Speed Index)

Value11.6 s

4/100

10%

TBT (Total Blocking Time)

Value100 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0.617

10/100

15%

TTI (Time to Interactive)

Value13.5 s

11/100

10%

zkteco.cn

792 ms

ziti.css

2568 ms

public.css

427 ms

swiper.min.css

429 ms

page.css

638 ms

Our browser made a total of 83 requests to load all elements on the main page. We found that 99% of them (82 requests) were addressed to the original Zkteco.cn, 1% (1 request) were made to Cdnjs.cloudflare.com. The less responsive or slowest element that took the longest time to load (2.6 sec) belongs to the original domain Zkteco.cn.

Content Size

4.0 MB

After Optimization

3.2 MB

In fact, the total size of Zkteco.cn main page is 4.0 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 3.3 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 37.6 kB

Original 44.9 kB
After minification 34.5 kB
After compression 7.3 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 10.5 kB, which is 23% 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 37.6 kB or 84% of the original size.

Image Optimization

-21%

Potential reduce by 677.1 kB

Original 3.3 MB
After minification 2.6 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. Obviously, Zk Teco needs image optimization as it can save up to 677.1 kB or 21% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-13%

Potential reduce by 21.1 kB

Original 159.7 kB
After minification 159.4 kB
After compression 138.5 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 21.1 kB or 13% of the original size.

CSS Optimization

-14%

Potential reduce by 67.8 kB

Original 487.5 kB
After minification 487.5 kB
After compression 419.7 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. Zkteco.cn needs all CSS files to be minified and compressed as it can save up to 67.8 kB or 14% of the original size.

Requests Now

After Optimization

The browser has sent 81 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zk Teco. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve the interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

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.

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

These items highlight common accessibility best practices.

High

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

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

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/).

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 Zkteco.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 Zkteco.cn 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

zkteco.cn

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

Report Summary

Performance

Accessibility

Best Practices

SEO

我司专业销售安装ZKTeco产品|提供专业的解决方案|ZKTeco中控太科营销中心-提供ZKTeco产品销售及解决方案|提供原厂质保及服务|

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

zkteco.cn

ziti.css

public.css

swiper.min.css

page.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

zkteco.cn

ziti.css

public.css

swiper.min.css

page.css

jquery.min.js

jquery.superslide.js

all.js

kefu.css

swiper.min.js

page.js

layer.js

jquery-ui-1.10.4.min.js

jquery.mcustomscrollbar.min.js

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