Tools & Wizards About Us
tzwdk.com screenshot

Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 72

    SEO

    Google-friendlier than
    31% of websites

tzwdk.com

Ball Valve, Brass Valve, Brass Fitting, Angle Valve - Wandekai

Page Load Speed

23.7 sec in total

First Response

654 ms

Resources Loaded

21 sec

Page Rendered

2.1 sec

tzwdk.com screenshot

About Website

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

Zhejiang Wandekai Fluid Equipment Technology Co.,Ltd. is mainly producing copper valves, brass fittings,HVAC products.

Visit tzwdk.com

Key Findings

We analyzed Tzwdk.com page load time and found that the first response time was 654 ms and then it took 23 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

tzwdk.com performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.3 s

3/100

10%

LCP (Largest Contentful Paint)

Value11.1 s

0/100

25%

SI (Speed Index)

Value10.7 s

7/100

10%

TBT (Total Blocking Time)

Value2,230 ms

6/100

30%

CLS (Cumulative Layout Shift)

Value0.113

86/100

15%

TTI (Time to Interactive)

Value15.2 s

7/100

10%

Network Requests Diagram

tzwdk.com

654 ms

style.css

963 ms

public.css

991 ms

v-w1Ji03v88

143 ms

14.png

20310 ms

Our browser made a total of 72 requests to load all elements on the main page. We found that 4% of them (3 requests) were addressed to the original Tzwdk.com, 50% (36 requests) were made to Cdn.globalso.com and 15% (11 requests) were made to Globalso.site. The less responsive or slowest element that took the longest time to load (20.3 sec) belongs to the original domain Tzwdk.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 432.6 kB (19%)

Content Size

2.2 MB

After Optimization

1.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Tzwdk.com main page is 2.2 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. 65% of websites need less resources to load. Images take 1.7 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 42.3 kB

  • Original 50.2 kB
  • After minification 46.6 kB
  • After compression 7.9 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 42.3 kB or 84% of the original size.

Image Optimization

-2%

Potential reduce by 37.7 kB

  • Original 1.7 MB
  • After minification 1.6 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. Tzwdk images are well optimized though.

JavaScript Optimization

-28%

Potential reduce by 32.3 kB

  • Original 113.3 kB
  • After minification 113.3 kB
  • After compression 81.0 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 32.3 kB or 28% of the original size.

CSS Optimization

-80%

Potential reduce by 320.3 kB

  • Original 402.2 kB
  • After minification 402.0 kB
  • After compression 81.9 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. Tzwdk.com needs all CSS files to be minified and compressed as it can save up to 320.3 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 28 (44%)

Requests Now

63

After Optimization

35

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 63 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tzwdk. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

tzwdk.com

tzwdk.com

654 ms

style.css

style.css

963 ms

public.css

public.css

991 ms

v-w1Ji03v88

v-w1Ji03v88

143 ms

14.png

14.png

20310 ms

livechat.js

livechat.js

269 ms

form.js

form.js

269 ms

jquery.min.js

jquery.min.js

1189 ms

common.js

common.js

1126 ms

public.js

public.js

1126 ms

logo.png

logo.png

1785 ms

BANNER1104.jpg

BANNER1104.jpg

1944 ms

BANNER900-33333.jpg

BANNER900-33333.jpg

1156 ms

BANNER900-2221.jpg

BANNER900-2221.jpg

2158 ms

20201210095913.jpg

20201210095913.jpg

1645 ms

2661.png

2661.png

1647 ms

Radiator-Control-valve.jpg

Radiator-Control-valve.jpg

1640 ms

NEWS-4.png

NEWS-4.png

1639 ms

MI12.png

MI12.png

1774 ms

cdsc.jpg

cdsc.jpg

1801 ms

asdadasda.jpg

asdadasda.jpg

1773 ms

faucet.jpg

faucet.jpg

1916 ms

sns02.png

sns02.png

2111 ms

sns03.png

sns03.png

2220 ms

sns05.png

sns05.png

2213 ms

sns06.png

sns06.png

2102 ms

www-player.css

www-player.css

37 ms

www-embed-player.js

www-embed-player.js

90 ms

base.js

base.js

133 ms

fetch-polyfill.js

fetch-polyfill.js

24 ms

ad_status.js

ad_status.js

262 ms

Y-zeT9jJ33tCNYTX0Kw8-3I-ogsAM9wZgys9W8554e8.js

Y-zeT9jJ33tCNYTX0Kw8-3I-ogsAM9wZgys9W8554e8.js

169 ms

embed.js

embed.js

24 ms

KFOmCnqEu92Fr1Mu4mxM.woff

KFOmCnqEu92Fr1Mu4mxM.woff

277 ms

KFOlCnqEu92Fr1MmEU9fBBc-.woff

KFOlCnqEu92Fr1MmEU9fBBc-.woff

278 ms

id

id

33 ms

Create

Create

231 ms

2022104_inquiry_livechat_tzwdkcom

2022104_inquiry_livechat_tzwdkcom

650 ms

search_btn.png

search_btn.png

1449 ms

all-m.gif

all-m.gif

1569 ms

sprite.png

sprite.png

1505 ms

probg.jpg

probg.jpg

2816 ms

hd_ico_1.png

hd_ico_1.png

1641 ms

bg.jpg

bg.jpg

2445 ms

title_pic.png

title_pic.png

1448 ms

icons01.png

icons01.png

1861 ms

close.png

close.png

1866 ms

show_btn.png

show_btn.png

1994 ms

2022104_inquiry_form_tzwdkcom

2022104_inquiry_form_tzwdkcom

676 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

2222 ms

AkzidenzGrotesk-Md.woff

AkzidenzGrotesk-Md.woff

2137 ms

Nexa-Light.woff

Nexa-Light.woff

2121 ms

search_btn_close.png

search_btn_close.png

2251 ms

v-w1Ji03v88

v-w1Ji03v88

368 ms

admin-ajax.php

admin-ajax.php

856 ms

from_livechat.css

from_livechat.css

143 ms

jquery.min.js

jquery.min.js

147 ms

layer.js

layer.js

161 ms

group_oper.js

group_oper.js

161 ms

validform.min.js

validform.min.js

159 ms

jquery.cookie.js

jquery.cookie.js

164 ms

Create

Create

432 ms

id

id

133 ms

layer.css

layer.css

112 ms

Create

Create

385 ms

GenerateIT

GenerateIT

19 ms

GenerateIT

GenerateIT

21 ms

GenerateIT

GenerateIT

20 ms

log_event

log_event

26 ms

Nexa-Light.ttf

Nexa-Light.ttf

833 ms

log_event

log_event

22 ms

log_event

log_event

22 ms

Accessibility Review

tzwdk.com accessibility score

75

Accessibility Issues

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

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>).

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

tzwdk.com best practices score

67

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

Page has valid source maps

SEO Factors

tzwdk.com SEO score

72

Search Engine Optimization Advices

Content Best Practices

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

Impact

Issue

High

Links do not have descriptive text

High

Image elements do not have [alt] attributes

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tzwdk.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Tzwdk.com 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

tzwdk.com

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