Report Summary

  • 35

    Performance

    Renders faster than
    55% of other websites

  • 62

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

cnfd-v.com

温州闸阀厂家-不锈钢截止阀价格-不锈钢球阀-温州阀都阀门有限公司

Page Load Speed

36.3 sec in total

First Response

6.1 sec

Resources Loaded

30.1 sec

Page Rendered

180 ms

cnfd-v.com screenshot

About Website

Click here to check amazing Cnfd V content. Otherwise, check out these important facts you probably never knew about cnfd-v.com

温州阀都阀门有限公司主要生产不锈钢闸阀,截止阀,止回阀,球阀等系列以及非标特殊阀门,产品型号齐全,质量上乘,价格实惠,售后服务无忧,厂家直接销售,没有中间商赚差价,采购不锈钢闸阀,截止阀,止回阀,球阀等产品,欢迎来电咨询:13868617228.

Visit cnfd-v.com

Key Findings

We analyzed Cnfd-v.com page load time and found that the first response time was 6.1 sec and then it took 30.2 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 16 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

cnfd-v.com performance score

35

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

17/100

10%

LCP (Largest Contentful Paint)

Value7.8 s

3/100

25%

SI (Speed Index)

Value21.7 s

0/100

10%

TBT (Total Blocking Time)

Value520 ms

56/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value16.0 s

6/100

10%

Network Requests Diagram

cnfd-v.com

6073 ms

global.css

842 ms

qq.css

850 ms

jquery-1.4.2.min.js

1265 ms

qq.js

853 ms

Our browser made a total of 72 requests to load all elements on the main page. We found that 51% of them (37 requests) were addressed to the original Cnfd-v.com, 44% (32 requests) were made to Cnfd-v.com.img.800cdn.com and 1% (1 request) were made to Zjnet.zjaic.gov.cn. The less responsive or slowest element that took the longest time to load (20.5 sec) relates to the external source Cnfd-v.com.img.800cdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 118.1 kB (36%)

Content Size

325.4 kB

After Optimization

207.4 kB

In fact, the total size of Cnfd-v.com main page is 325.4 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. 15% of websites need less resources to load. Images take 207.4 kB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 34.9 kB

  • Original 39.5 kB
  • After minification 24.8 kB
  • After compression 4.6 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 14.7 kB, which is 37% 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 34.9 kB or 88% of the original size.

Image Optimization

-15%

Potential reduce by 30.8 kB

  • Original 207.4 kB
  • After minification 176.6 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, Cnfd V needs image optimization as it can save up to 30.8 kB or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-66%

Potential reduce by 47.6 kB

  • Original 72.4 kB
  • After minification 72.4 kB
  • After compression 24.7 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 47.6 kB or 66% of the original size.

CSS Optimization

-76%

Potential reduce by 4.7 kB

  • Original 6.2 kB
  • After minification 5.6 kB
  • After compression 1.5 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. Cnfd-v.com needs all CSS files to be minified and compressed as it can save up to 4.7 kB or 76% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

23

After Optimization

23

The browser has sent 23 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cnfd V. According to our analytics all requests are already optimized.

Accessibility Review

cnfd-v.com accessibility score

62

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.

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

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

cnfd-v.com best practices score

58

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

cnfd-v.com SEO score

86

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 Cnfd-v.com 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 Cnfd-v.com 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 Cnfd V. 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: