Tools & Wizards About Us
cnafw.com.cn screenshot

Report Summary

  • 85

    Performance

    Renders faster than
    88% of other websites

  • 44

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 58

    SEO

    Google-friendlier than
    21% of websites

cnafw.com.cn

安防商务www.anfangsw.com安防网www.cnafw.com.cn-安防用品 安防设备 安防技术 安防器材 安防工程|监控|防盗|门禁 - 安防商务

Page Load Speed

5.2 sec in total

First Response

915 ms

Resources Loaded

4.1 sec

Page Rendered

231 ms

cnafw.com.cn screenshot

About Website

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

安防商务www.anfangsw.com安防网www.cnafw.com.cn是国内专业的安防用品综合信息发布平台，主要包括：监控设备 数字视频 门禁 考勤 报警防盗 楼宇对讲 安防软件 智能交通 消防设备 作业保护设备产品等信息，提供安防相关产品批发、代理、电子商务等服务信息，为安防监控企业建立最好网上的销售平台。

Visit cnafw.com.cn

Key Findings

We analyzed Cnafw.com.cn page load time and found that the first response time was 915 ms and then it took 4.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

cnafw.com.cn performance score

85

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.4 s

97/100

10%

LCP (Largest Contentful Paint)

Value3.6 s

61/100

25%

SI (Speed Index)

Value5.7 s

51/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.7 s

97/100

10%

Network Requests Diagram

cnafw.com.cn

915 ms

style.css

211 ms

jbox.css

413 ms

jquery-1.7.2.min.js

631 ms

common.js

424 ms

Our browser made a total of 72 requests to load all elements on the main page. We found that 46% of them (33 requests) were addressed to the original Cnafw.com.cn, 26% (19 requests) were made to Img.maoyisw.com and 17% (12 requests) were made to Static.fsung.cn. The less responsive or slowest element that took the longest time to load (1.8 sec) relates to the external source Img.maoyisw.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 111.6 kB (9%)

Content Size

1.3 MB

After Optimization

1.2 MB

  • HTML
  • Images
  • CSS

In fact, the total size of Cnafw.com.cn main page is 1.3 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. 30% of websites need less resources to load. Images take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 66.6 kB

  • Original 75.2 kB
  • After minification 52.4 kB
  • After compression 8.6 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 22.8 kB, which is 30% 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 66.6 kB or 89% of the original size.

Image Optimization

-4%

Potential reduce by 44.3 kB

  • Original 1.2 MB
  • After minification 1.2 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. Cn Afw images are well optimized though.

CSS Optimization

-16%

Potential reduce by 652 B

  • Original 4.1 kB
  • After minification 4.1 kB
  • After compression 3.4 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. Cnafw.com.cn needs all CSS files to be minified and compressed as it can save up to 652 B or 16% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (35%)

Requests Now

40

After Optimization

26

  • Images
  • JavaScript
  • CSS

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cn Afw. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

cnafw.com.cn

cnafw.com.cn

915 ms

style.css

style.css

211 ms

jbox.css

jbox.css

413 ms

jquery-1.7.2.min.js

jquery-1.7.2.min.js

631 ms

common.js

common.js

424 ms

search_form_under.js

search_form_under.js

428 ms

home_banner_top.js

home_banner_top.js

431 ms

home_top_left.js

home_top_left.js

555 ms

home_news_top.js

home_news_top.js

618 ms

duilian_left.js

duilian_left.js

655 ms

duilian_rihgt.js

duilian_rihgt.js

656 ms

jquery.jBox-2.3.min.js

jquery.jBox-2.3.min.js

657 ms

336131557611485.jpg

336131557611485.jpg

654 ms

2021031710095410197.jpg

2021031710095410197.jpg

768 ms

2024050415182687271.jpg

2024050415182687271.jpg

650 ms

fsung_icon.jpg

fsung_icon.jpg

887 ms

tip3.png

tip3.png

211 ms

logo.gif

logo.gif

208 ms

tip4.png

tip4.png

554 ms

78562011111084344.jpg

78562011111084344.jpg

216 ms

785620111028120810.jpg

785620111028120810.jpg

212 ms

785620111014113412.jpg

785620111014113412.jpg

222 ms

785620119685147.jpg

785620119685147.jpg

413 ms

78562011826101523.jpg

78562011826101523.jpg

419 ms

78562010926135056.jpg

78562010926135056.jpg

422 ms

2024050414335899298.jpg

2024050414335899298.jpg

649 ms

2024050414270738095.jpg

2024050414270738095.jpg

654 ms

2024050414144934090.jpg

2024050414144934090.jpg

652 ms

2024050414065388513.jpg

2024050414065388513.jpg

660 ms

search_form_under.js

search_form_under.js

654 ms

785620111028120810.jpg

785620111028120810.jpg

666 ms

78562011111084344.jpg

78562011111084344.jpg

671 ms

785620111014113412.jpg

785620111014113412.jpg

668 ms

785620119685147.jpg

785620119685147.jpg

475 ms

78562011826101523.jpg

78562011826101523.jpg

480 ms

78562010926135056.jpg

78562010926135056.jpg

483 ms

2024050415182687271.jpg

2024050415182687271.jpg

861 ms

2024050414335899298.jpg

2024050414335899298.jpg

1160 ms

336131557611485.jpg

336131557611485.jpg

1316 ms

2024050414144934090.jpg

2024050414144934090.jpg

1156 ms

2024050414270738095.jpg

2024050414270738095.jpg

1794 ms

2024050414065388513.jpg

2024050414065388513.jpg

1150 ms

1669178491.gif

1669178491.gif

215 ms

home_banner_top.js

home_banner_top.js

427 ms

2021031710095410197.jpg

2021031710095410197.jpg

1378 ms

1708159134.gif

1708159134.gif

425 ms

home_top_left.js

home_top_left.js

218 ms

liIcon.png

liIcon.png

211 ms

1708159993.gif

1708159993.gif

218 ms

home_news_top.js

home_news_top.js

407 ms

78562011111084344.jpg

78562011111084344.jpg

211 ms

785620111028120810.jpg

785620111028120810.jpg

208 ms

785620111014113412.jpg

785620111014113412.jpg

279 ms

785620119685147.jpg

785620119685147.jpg

217 ms

78562011826101523.jpg

78562011826101523.jpg

216 ms

78562010926135056.jpg

78562010926135056.jpg

211 ms

tip5.png

tip5.png

410 ms

coverage.png

coverage.png

412 ms

tops.png

tops.png

424 ms

1664541805.gif

1664541805.gif

214 ms

duilian_left.js

duilian_left.js

218 ms

78562011111084344.jpg

78562011111084344.jpg

217 ms

785620111028120810.jpg

785620111028120810.jpg

218 ms

78562010926135056.jpg

78562010926135056.jpg

225 ms

78562011826101523.jpg

78562011826101523.jpg

217 ms

785620119685147.jpg

785620119685147.jpg

373 ms

duilian_rihgt.js

duilian_rihgt.js

229 ms

closed2.gif

closed2.gif

217 ms

1708159181.gif

1708159181.gif

248 ms

785620111014113412.jpg

785620111014113412.jpg

357 ms

nopic.gif

nopic.gif

211 ms

1708159208.gif

1708159208.gif

214 ms

Accessibility Review

cnafw.com.cn accessibility score

44

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

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

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

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

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

cnafw.com.cn 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

cnafw.com.cn SEO score

58

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

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 Cnafw.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 Cnafw.com.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

cnafw.com.cn

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