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cnmaf.cn screenshot

Report Summary

  • 85

    Performance

    Renders faster than
    89% of other websites

  • 48

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    18% of websites

  • 58

    SEO

    Google-friendlier than
    20% of websites

cnmaf.cn

机械加工商www.cnmaf.com机械加工网www.cnmaf.cn-机械加工|金属加工|设备加工|加工设备 - 机械加工商

Page Load Speed

5.7 sec in total

First Response

903 ms

Resources Loaded

4.2 sec

Page Rendered

610 ms

cnmaf.cn screenshot

About Website

Welcome to cnmaf.cn homepage info - get ready to check Cn Maf best content right away, or after learning these important things about cnmaf.cn

机械加工商www.cnmaf.com机械加工网www.cnmaf.cn-是专业的机械加工、金属加工综合信息平台，主要包括机械设备 机床加工 矿业设备 汽车五金配件 焊接、切割设备与材料 通用零部件 化工加工 印刷、包装加工 模具加工 农业机械 建筑、建材设备 五金加工 金属管材管件 制冷、加热设备 木工机械 机械加工设备、机械加工技术、机械加工行业资讯、机械加工展会、机械加工人才、最新市场行情等信...

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Key Findings

We analyzed Cnmaf.cn page load time and found that the first response time was 903 ms and then it took 4.8 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

cnmaf.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)

Value5.9 s

48/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.6 s

98/100

10%

Network Requests Diagram

cnmaf.cn

903 ms

style.css

217 ms

jbox.css

429 ms

jquery-1.7.2.min.js

657 ms

common.js

442 ms

Our browser made a total of 73 requests to load all elements on the main page. We found that 56% of them (41 requests) were addressed to the original Cnmaf.cn, 27% (20 requests) were made to Img.maoyisw.com and 15% (11 requests) were made to Static.fsung.cn. The less responsive or slowest element that took the longest time to load (1.2 sec) relates to the external source Img.maoyisw.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 131.1 kB (19%)

Content Size

672.6 kB

After Optimization

541.6 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Cnmaf.cn main page is 672.6 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. 30% of websites need less resources to load. Images take 573.2 kB which makes up the majority of the site volume.

HTML Optimization

-90%

Potential reduce by 86.0 kB

  • Original 95.3 kB
  • After minification 65.2 kB
  • After compression 9.3 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 30.2 kB, which is 32% 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 86.0 kB or 90% of the original size.

Image Optimization

-8%

Potential reduce by 44.4 kB

  • Original 573.2 kB
  • After minification 528.8 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. Cn Maf 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. Cnmaf.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 (37%)

Requests Now

38

After Optimization

24

  • Images
  • JavaScript
  • CSS

The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cn Maf. 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

cnmaf.cn

cnmaf.cn

903 ms

style.css

style.css

217 ms

jbox.css

jbox.css

429 ms

jquery-1.7.2.min.js

jquery-1.7.2.min.js

657 ms

common.js

common.js

442 ms

search_form_under.js

search_form_under.js

442 ms

home_banner_top.js

home_banner_top.js

443 ms

home_top_left.js

home_top_left.js

451 ms

home_news_top.js

home_news_top.js

637 ms

duilian_left.js

duilian_left.js

764 ms

duilian_rihgt.js

duilian_rihgt.js

764 ms

jquery.jBox-2.3.min.js

jquery.jBox-2.3.min.js

764 ms

2022082313593813256.jpg

2022082313593813256.jpg

669 ms

fsung_icon.jpg

fsung_icon.jpg

983 ms

tip3.png

tip3.png

213 ms

logo.gif

logo.gif

220 ms

tip4.png

tip4.png

221 ms

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334182013816152312.jpg

226 ms

334182013816151860.jpg

334182013816151860.jpg

219 ms

334182013816151331.jpg

334182013816151331.jpg

220 ms

334182013816145725.jpg

334182013816145725.jpg

414 ms

334182012922150240.jpg

334182012922150240.jpg

428 ms

334182012922150015.jpg

334182012922150015.jpg

429 ms

334182012922145221.jpg

334182012922145221.jpg

433 ms

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2022082313590164977.jpg

626 ms

2022082313575971974.jpg

2022082313575971974.jpg

625 ms

2022082313565561516.jpg

2022082313565561516.jpg

638 ms

2022082313554517130.jpg

2022082313554517130.jpg

639 ms

2022082313551219581.jpg

2022082313551219581.jpg

650 ms

search_form_under.js

search_form_under.js

690 ms

334182013816151860.jpg

334182013816151860.jpg

679 ms

334182013816151331.jpg

334182013816151331.jpg

688 ms

334182013816152312.jpg

334182013816152312.jpg

695 ms

334182013816145725.jpg

334182013816145725.jpg

504 ms

334182012922150240.jpg

334182012922150240.jpg

490 ms

334182012922150015.jpg

334182012922150015.jpg

490 ms

334182012922145221.jpg

334182012922145221.jpg

666 ms

2022082313593813256.jpg

2022082313593813256.jpg

920 ms

2022082313590164977.jpg

2022082313590164977.jpg

937 ms

2022082313575971974.jpg

2022082313575971974.jpg

941 ms

2022082313565561516.jpg

2022082313565561516.jpg

928 ms

2022082313554517130.jpg

2022082313554517130.jpg

931 ms

2022082313551219581.jpg

2022082313551219581.jpg

1239 ms

home_banner_top.js

home_banner_top.js

215 ms

1651366518.gif

1651366518.gif

424 ms

home_top_left.js

home_top_left.js

428 ms

liIcon.png

liIcon.png

217 ms

1633690482.gif

1633690482.gif

213 ms

home_news_top.js

home_news_top.js

230 ms

334182013816152312.jpg

334182013816152312.jpg

222 ms

334182013816151860.jpg

334182013816151860.jpg

223 ms

334182013816151331.jpg

334182013816151331.jpg

227 ms

334182013816145725.jpg

334182013816145725.jpg

227 ms

334182012922150240.jpg

334182012922150240.jpg

221 ms

334182012922150015.jpg

334182012922150015.jpg

223 ms

334182012922145221.jpg

334182012922145221.jpg

382 ms

tip5.png

tip5.png

436 ms

coverage.png

coverage.png

440 ms

tops.png

tops.png

439 ms

1633691080.jpg

1633691080.jpg

212 ms

duilian_left.js

duilian_left.js

215 ms

334182013816152312.jpg

334182013816152312.jpg

221 ms

334182012922150240.jpg

334182012922150240.jpg

211 ms

334182013816151860.jpg

334182013816151860.jpg

222 ms

334182012922150015.jpg

334182012922150015.jpg

216 ms

334182013816151331.jpg

334182013816151331.jpg

229 ms

334182013816145725.jpg

334182013816145725.jpg

219 ms

334182012922145221.jpg

334182012922145221.jpg

266 ms

duilian_rihgt.js

duilian_rihgt.js

215 ms

closed2.gif

closed2.gif

255 ms

1651366541.gif

1651366541.gif

257 ms

nopic.gif

nopic.gif

265 ms

1651366564.gif

1651366564.gif

215 ms

Accessibility Review

cnmaf.cn accessibility score

48

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

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

Best Practices

cnmaf.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

cnmaf.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 Cnmaf.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 Cnmaf.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

cnmaf.cn

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