Tools & Wizards About Us
cz-ex.com screenshot

Report Summary

  • 26

    Performance

    Renders faster than
    45% of other websites

  • 69

    Accessibility

    Visual factors better than
    that of 34% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

cz-ex.com

Wholesale Explosion-proof Electrical Manufacturers, Factory

Page Load Speed

4.7 sec in total

First Response

626 ms

Resources Loaded

3.4 sec

Page Rendered

751 ms

cz-ex.com screenshot

About Website

Visit cz-ex.com now to see the best up-to-date Cz Ex content for Singapore and also check out these interesting facts you probably never knew about cz-ex.com

CZ Electric Co., Ltd is a China explosion-proof electrical manufacturers and explosion-proof electrical factory, We specialize in wholesale explosion-proof electrical.

Visit cz-ex.com

Key Findings

We analyzed Cz-ex.com page load time and found that the first response time was 626 ms and then it took 4.1 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

cz-ex.com performance score

26

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

61/100

10%

LCP (Largest Contentful Paint)

Value10.7 s

0/100

25%

SI (Speed Index)

Value4.9 s

65/100

10%

TBT (Total Blocking Time)

Value950 ms

29/100

30%

CLS (Cumulative Layout Shift)

Value0.986

2/100

15%

TTI (Time to Interactive)

Value8.2 s

41/100

10%

Network Requests Diagram

www.cz-ex.com

626 ms

147 ms

339 ms

index_js.js

211 ms

gtm.js

104 ms

Our browser made a total of 81 requests to load all elements on the main page. We found that 96% of them (78 requests) were addressed to the original Cz-ex.com, 1% (1 request) were made to Googletagmanager.com and 1% (1 request) were made to Hqcdn.hqsmartcloud.com. The less responsive or slowest element that took the longest time to load (1.4 sec) relates to the external source Supertest.hqsmartcloud.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 61.0 kB (10%)

Content Size

639.7 kB

After Optimization

578.7 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Cz-ex.com main page is 639.7 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. 65% of websites need less resources to load. Images take 548.8 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 58.6 kB

  • Original 67.3 kB
  • After minification 51.1 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 16.1 kB, which is 24% 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 58.6 kB or 87% of the original size.

Image Optimization

-0%

Potential reduce by 2.1 kB

  • Original 548.8 kB
  • After minification 546.6 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. Cz Ex images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 231 B

  • Original 23.7 kB
  • After minification 23.7 kB
  • After compression 23.5 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. This website has mostly compressed JavaScripts.

Requests Breakdown

Number of requests can be reduced by 3 (12%)

Requests Now

26

After Optimization

23

  • Images
  • JavaScript
  • CSS

The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cz Ex. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.cz-ex.com

www.cz-ex.com

626 ms

147 ms

339 ms

index_js.js

index_js.js

211 ms

gtm.js

gtm.js

104 ms

logo.jpg

logo.jpg

98 ms

en.jpg

en.jpg

99 ms

cn.jpg

cn.jpg

98 ms

exd.jpg

exd.jpg

192 ms

exd4.jpg

exd4.jpg

194 ms

exd2.jpg

exd2.jpg

203 ms

exd6.jpg

exd6.jpg

251 ms

exd9.jpg

exd9.jpg

327 ms

exd8.jpg

exd8.jpg

277 ms

exd5.jpg

exd5.jpg

313 ms

exd3-1.jpg

exd3-1.jpg

319 ms

banner.jpg

banner.jpg

388 ms

b-t.png

b-t.png

317 ms

banner-img.png

banner-img.png

407 ms

EXD8.jpg

EXD8.jpg

434 ms

EXD9.jpg

EXD9.jpg

439 ms

dq.jpg

dq.jpg

442 ms

dq2.jpg

dq2.jpg

459 ms

recommend_03.jpg

recommend_03.jpg

518 ms

recommend_04.jpg

recommend_04.jpg

539 ms

play.png

play.png

500 ms

ap-1.jpg

ap-1.jpg

570 ms

ca01_g.png

ca01_g.png

511 ms

ca01.png

ca01.png

531 ms

ap3.jpg

ap3.jpg

622 ms

ca02_g.png

ca02_g.png

587 ms

ca02.png

ca02.png

588 ms

ap7.jpg

ap7.jpg

659 ms

ca03_g.png

ca03_g.png

613 ms

ca03.png

ca03.png

636 ms

ap2.jpg

ap2.jpg

704 ms

ca04_g.png

ca04_g.png

660 ms

ca04.png

ca04.png

687 ms

ap4.jpg

ap4.jpg

742 ms

ca05_g.png

ca05_g.png

702 ms

ca05.png

ca05.png

705 ms

Montserrat-Regular.ttf

Montserrat-Regular.ttf

694 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

724 ms

ap5.jpg

ap5.jpg

728 ms

matomo.js

matomo.js

463 ms

ca06_g.png

ca06_g.png

584 ms

ca06.png

ca06.png

611 ms

ap6.jpg

ap6.jpg

666 ms

ca07_g.png

ca07_g.png

595 ms

ca07.png

ca07.png

586 ms

am.jpg

am.jpg

620 ms

ex.jpg

ex.jpg

577 ms

br.jpg

br.jpg

574 ms

kw.jpg

kw.jpg

589 ms

kp.jpg

kp.jpg

602 ms

yl.jpg

yl.jpg

583 ms

an.jpg

an.jpg

579 ms

sy.jpg

sy.jpg

588 ms

zh2.jpg

zh2.jpg

599 ms

hy.jpg

hy.jpg

603 ms

zh.jpg

zh.jpg

617 ms

ddr.jpg

ddr.jpg

599 ms

ak.jpg

ak.jpg

562 ms

basf.jpg

basf.jpg

625 ms

ba.jpg

ba.jpg

624 ms

cs.jpg

cs.jpg

622 ms

matomo.php

matomo.php

1433 ms

dsm.jpg

dsm.jpg

613 ms

hua.jpg

hua.jpg

643 ms

j3.png

j3.png

576 ms

j2.png

j2.png

609 ms

j4.png

j4.png

597 ms

j1.png

j1.png

601 ms

f-logo.png

f-logo.png

603 ms

gz.jpg

gz.jpg

635 ms

Technical-Support.svg

Technical-Support.svg

661 ms

recommend-1_01.jpg

recommend-1_01.jpg

595 ms

about-bg_02.jpg

about-bg_02.jpg

667 ms

add.png

add.png

588 ms

tel.png

tel.png

560 ms

mail.png

mail.png

606 ms

Accessibility Review

cz-ex.com accessibility score

69

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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

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

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

cz-ex.com best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

cz-ex.com SEO score

90

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

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cz-ex.com can be misinterpreted by Google and other search engines. Our service has detected that English 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 Cz-ex.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

cz-ex.com

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