Tools & Wizards About Us
cnmaf.cn screenshot

Report Summary

  • 79

    Performance

    Renders faster than
    85% 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

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 sec in total

First Response

843 ms

Resources Loaded

3.9 sec

Page Rendered

248 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...

Visit cnmaf.cn

Key Findings

We analyzed Cnmaf.cn page load time and found that the first response time was 843 ms and then it took 4.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

cnmaf.cn performance score

79

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.6 s

94/100

10%

LCP (Largest Contentful Paint)

Value3.8 s

54/100

25%

SI (Speed Index)

Value6.4 s

40/100

10%

TBT (Total Blocking Time)

Value50 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value5.4 s

72/100

10%

Network Requests Diagram

cnmaf.cn

843 ms

style.css

220 ms

jbox.css

411 ms

jquery-1.7.2.min.js

630 ms

common.js

421 ms

Our browser made a total of 74 requests to load all elements on the main page. We found that 47% of them (35 requests) were addressed to the original Cnmaf.cn, 27% (20 requests) were made to Img.maoyisw.com and 16% (12 requests) were made to Static.fsung.cn. The less responsive or slowest element that took the longest time to load (1.7 sec) relates to the external source Img.maoyisw.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 128.6 kB (11%)

Content Size

1.1 MB

After Optimization

1.0 MB

  • HTML
  • Images
  • CSS

In fact, the total size of Cnmaf.cn main page is 1.1 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 1.0 MB which makes up the majority of the site volume.

HTML Optimization

-90%

Potential reduce by 84.8 kB

  • Original 94.1 kB
  • After minification 63.9 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 84.8 kB or 90% of the original size.

Image Optimization

-4%

Potential reduce by 43.1 kB

  • Original 1.0 MB
  • After minification 999.8 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 (36%)

Requests Now

39

After Optimization

25

  • Images
  • JavaScript
  • CSS

The browser has sent 39 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

843 ms

style.css

style.css

220 ms

jbox.css

jbox.css

411 ms

jquery-1.7.2.min.js

jquery-1.7.2.min.js

630 ms

common.js

common.js

421 ms

search_form_under.js

search_form_under.js

423 ms

home_banner_top.js

home_banner_top.js

430 ms

home_top_left.js

home_top_left.js

438 ms

home_news_top.js

home_news_top.js

615 ms

duilian_left.js

duilian_left.js

647 ms

duilian_rihgt.js

duilian_rihgt.js

647 ms

jquery.jBox-2.3.min.js

jquery.jBox-2.3.min.js

648 ms

2021031710095410197.jpg

2021031710095410197.jpg

755 ms

2024050415182687271.jpg

2024050415182687271.jpg

648 ms

fsung_icon.jpg

fsung_icon.jpg

910 ms

tip3.png

tip3.png

220 ms

logo.gif

logo.gif

215 ms

tip4.png

tip4.png

410 ms

376931457350023.jpg

376931457350023.jpg

212 ms

376931457349946.jpg

376931457349946.jpg

213 ms

376931457349878.gif

376931457349878.gif

222 ms

376931457349817.gif

376931457349817.gif

424 ms

376931457349745.gif

376931457349745.gif

429 ms

376931457349679.jpg

376931457349679.jpg

424 ms

376931457349610.jpg

376931457349610.jpg

437 ms

2024050414335899298.jpg

2024050414335899298.jpg

648 ms

2024050414270738095.jpg

2024050414270738095.jpg

656 ms

2024050414144934090.jpg

2024050414144934090.jpg

659 ms

2024050414065388513.jpg

2024050414065388513.jpg

667 ms

search_form_under.js

search_form_under.js

692 ms

376931457350023.jpg

376931457350023.jpg

644 ms

376931457349946.jpg

376931457349946.jpg

644 ms

376931457349878.gif

376931457349878.gif

642 ms

376931457349817.gif

376931457349817.gif

444 ms

376931457349679.jpg

376931457349679.jpg

447 ms

376931457349745.gif

376931457349745.gif

457 ms

376931457349610.jpg

376931457349610.jpg

627 ms

2024050415182687271.jpg

2024050415182687271.jpg

834 ms

2024050414335899298.jpg

2024050414335899298.jpg

1059 ms

2024050414270738095.jpg

2024050414270738095.jpg

1708 ms

2024050414144934090.jpg

2024050414144934090.jpg

1075 ms

2024050414065388513.jpg

2024050414065388513.jpg

1133 ms

1669178491.gif

1669178491.gif

209 ms

home_banner_top.js

home_banner_top.js

417 ms

2021031710095410197.jpg

2021031710095410197.jpg

1351 ms

1708159134.gif

1708159134.gif

417 ms

home_top_left.js

home_top_left.js

210 ms

liIcon.png

liIcon.png

220 ms

1708159993.gif

1708159993.gif

218 ms

home_news_top.js

home_news_top.js

405 ms

376931457350023.jpg

376931457350023.jpg

220 ms

376931457349946.jpg

376931457349946.jpg

210 ms

376931457349878.gif

376931457349878.gif

216 ms

376931457349817.gif

376931457349817.gif

206 ms

376931457349745.gif

376931457349745.gif

213 ms

376931457349679.jpg

376931457349679.jpg

211 ms

376931457349610.jpg

376931457349610.jpg

411 ms

tip5.png

tip5.png

419 ms

coverage.png

coverage.png

421 ms

tops.png

tops.png

430 ms

1664541805.gif

1664541805.gif

209 ms

duilian_left.js

duilian_left.js

211 ms

376931457349817.gif

376931457349817.gif

211 ms

376931457349946.jpg

376931457349946.jpg

223 ms

376931457349679.jpg

376931457349679.jpg

217 ms

376931457350023.jpg

376931457350023.jpg

208 ms

376931457349745.gif

376931457349745.gif

335 ms

376931457349878.gif

376931457349878.gif

416 ms

duilian_rihgt.js

duilian_rihgt.js

209 ms

closed2.gif

closed2.gif

225 ms

1708159181.gif

1708159181.gif

223 ms

376931457349610.jpg

376931457349610.jpg

219 ms

nopic.gif

nopic.gif

211 ms

1708159208.gif

1708159208.gif

210 ms

Accessibility Review

cnmaf.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

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: