Tools & Wizards About Us
zj-certeg.en.made-in-china.com screenshot

Report Summary

  • 47

    Performance

    Renders faster than
    65% of other websites

  • 43

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

zj-certeg.en.made-in-china.com

China Square Steel Pipe Manufacturer, Galvanized Steel Pipe, Welded Steel Pipe Supplier - Zhejiang Certeg International Co., Ltd.

Page Load Speed

1.3 sec in total

First Response

71 ms

Resources Loaded

933 ms

Page Rendered

327 ms

zj-certeg.en.made-in-china.com screenshot

About Website

Welcome to zj-certeg.en.made-in-china.com homepage info - get ready to check Zj Certeg En Madein China best content for China right away, or after learning these important things about zj-certeg.en.made-in-china.com

China Square Steel Pipe Supplier, Galvanized Steel Pipe, Welded Steel Pipe Manufacturers/ Suppliers - Zhejiang Certeg International Co., Ltd.

Visit zj-certeg.en.made-in-china.com

Key Findings

We analyzed Zj-certeg.en.made-in-china.com page load time and found that the first response time was 71 ms and then it took 1.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

zj-certeg.en.made-in-china.com performance score

47

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

44/100

10%

LCP (Largest Contentful Paint)

Value3.6 s

62/100

25%

SI (Speed Index)

Value3.6 s

86/100

10%

TBT (Total Blocking Time)

Value2,040 ms

7/100

30%

CLS (Cumulative Layout Shift)

Value0.018

100/100

15%

TTI (Time to Interactive)

Value11.7 s

17/100

10%

Network Requests Diagram

zj-certeg.en.made-in-china.com

71 ms

zj-certeg.en.made-in-china.com

246 ms

global_11c21d26.css

41 ms

global_c8aa6f20.css

45 ms

default_9d77dce2.css

47 ms

Our browser made a total of 71 requests to load all elements on the main page. We found that 4% of them (3 requests) were addressed to the original Zj-certeg.en.made-in-china.com, 82% (58 requests) were made to Micstatic.com and 4% (3 requests) were made to Made-in-china.com. The less responsive or slowest element that took the longest time to load (457 ms) relates to the external source C.delivery.consentmanager.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 172.1 kB (28%)

Content Size

613.4 kB

After Optimization

441.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zj-certeg.en.made-in-china.com main page is 613.4 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. 65% of websites need less resources to load. Javascripts take 287.7 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 169.3 kB

  • Original 196.4 kB
  • After minification 140.3 kB
  • After compression 27.1 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 56.1 kB, which is 29% 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 169.3 kB or 86% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 39.0 kB
  • After minification 39.0 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. Zj Certeg En Madein China images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 2.8 kB

  • Original 287.7 kB
  • After minification 287.7 kB
  • After compression 285.0 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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 0 B

  • Original 90.2 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.

Requests Breakdown

Number of requests can be reduced by 44 (79%)

Requests Now

56

After Optimization

12

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 56 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zj Certeg En Madein China. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 33 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

zj-certeg.en.made-in-china.com

zj-certeg.en.made-in-china.com

71 ms

zj-certeg.en.made-in-china.com

zj-certeg.en.made-in-china.com

246 ms

global_11c21d26.css

global_11c21d26.css

41 ms

global_c8aa6f20.css

global_c8aa6f20.css

45 ms

default_9d77dce2.css

default_9d77dce2.css

47 ms

company_a54dc110.css

company_a54dc110.css

48 ms

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future-pure_cf98f6ab.css

53 ms

index_0dba4e54.css

index_0dba4e54.css

83 ms

common_ab4c0cd2.css

common_ab4c0cd2.css

49 ms

noData_9bd4eef0.css

noData_9bd4eef0.css

51 ms

reviewDisplay_566bf545.css

reviewDisplay_566bf545.css

58 ms

picture-vo_4da89c3f.css

picture-vo_4da89c3f.css

56 ms

jquery_2ad57377.js

jquery_2ad57377.js

60 ms

class.0.3.2_2c7a4288.js

class.0.3.2_2c7a4288.js

61 ms

polyfill-simplify_e22603b6.js

polyfill-simplify_e22603b6.js

69 ms

cmp.js

cmp.js

64 ms

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v84a3a4012de94ce1a686ba8c167c359c1696973893317

169 ms

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global_3ae75421.js

67 ms

placeholder.1.3_da17e1c1.js

placeholder.1.3_da17e1c1.js

75 ms

maskSelect.1.0.min_190d8b52.js

maskSelect.1.0.min_190d8b52.js

65 ms

inputSuggest.1.1.0_6430fee8.js

inputSuggest.1.1.0_6430fee8.js

75 ms

searchBar_b8a35bc0.js

searchBar_b8a35bc0.js

76 ms

athena18n_be17f7ee.js

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75 ms

util_c832eaaa.js

util_c832eaaa.js

165 ms

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169 ms

startMeeting_3724b694.js

startMeeting_3724b694.js

176 ms

company_2725f65e.js

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166 ms

artDialog_09e2e35c.js

artDialog_09e2e35c.js

168 ms

showPopLogin_0436ac04.js

showPopLogin_0436ac04.js

166 ms

JFixed.3.0_c13667b0.js

JFixed.3.0_c13667b0.js

169 ms

validator.plus_0776fc88.js

validator.plus_0776fc88.js

169 ms

lazyLoad.suite.min_235fcfb0.js

lazyLoad.suite.min_235fcfb0.js

170 ms

slideNav_2c09e10c.js

slideNav_2c09e10c.js

171 ms

inquiryMINI_af468a9a.js

inquiryMINI_af468a9a.js

170 ms

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171 ms

common_caebe3c7.js

common_caebe3c7.js

171 ms

tm_5d4a4428.js

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172 ms

rec.gif

rec.gif

188 ms

image

image

122 ms

faw.1.2.2.2.js

faw.1.2.2.2.js

87 ms

head.do

head.do

152 ms

logo_2b65c0b4.png

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63 ms

transparent.png

transparent.png

57 ms

avatar-male.jpg

avatar-male.jpg

56 ms

featured-icon_c70a90a1.png

featured-icon_c70a90a1.png

56 ms

cmp.php

cmp.php

457 ms

cmp_final.min.js

cmp_final.min.js

296 ms

es6-promise.min_f2f19670.js

es6-promise.min_f2f19670.js

39 ms

min-basket_de3d456e.css

min-basket_de3d456e.css

98 ms

inquirybasket.do

inquirybasket.do

140 ms

faw-store.html

faw-store.html

72 ms

mic.probe.js

mic.probe.js

116 ms

bubble_0f687eb8.js

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14 ms

meeting_b8fad1fe.js

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14 ms

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startMeeting_4dd70baa.css

51 ms

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57 ms

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51 ms

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50 ms

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48 ms

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50 ms

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52 ms

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52 ms

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52 ms

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53 ms

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52 ms

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53 ms

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Roboto-Black_67c245c3.woff

54 ms

micon_a4e8fdb0.woff

micon_a4e8fdb0.woff

54 ms

rfq-post-dropmenu_dff80909.css

rfq-post-dropmenu_dff80909.css

37 ms

Zhejiang-Certeg-International-Co-Ltd-.jpg

Zhejiang-Certeg-International-Co-Ltd-.jpg

58 ms

16-19-25-32mm-Blue-or-Black-Steel-Strapping.jpg

16-19-25-32mm-Blue-or-Black-Steel-Strapping.jpg

104 ms

Accessibility Review

zj-certeg.en.made-in-china.com accessibility score

43

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.

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

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

zj-certeg.en.made-in-china.com best practices score

75

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

zj-certeg.en.made-in-china.com SEO score

84

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

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 Zj-certeg.en.made-in-china.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 Zj-certeg.en.made-in-china.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

zj-certeg.en.made-in-china.com

Open Graph description is not detected on the main page of Zj Certeg En Madein China. 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: