Tools & Wizards About Us
htzzipper.en.alibaba.com screenshot

Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 66

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

htzzipper.en.alibaba.com

Company Overview - Shenzhen Haofeng Zipper Technology Co., Ltd.

Page Load Speed

8.5 sec in total

First Response

2.5 sec

Resources Loaded

5.8 sec

Page Rendered

211 ms

htzzipper.en.alibaba.com screenshot

About Website

Welcome to htzzipper.en.alibaba.com homepage info - get ready to check Htz Zipper En Alibaba best content for China right away, or after learning these important things about htzzipper.en.alibaba.com

Shenzhen Haofeng Zipper Technology Co., Ltd. Products:Flame Retardant Zipper,Fireproof Zipper,Metal Zipper,Nylon Zipper,PlasticZipper

Visit htzzipper.en.alibaba.com

Key Findings

We analyzed Htzzipper.en.alibaba.com page load time and found that the first response time was 2.5 sec and then it took 6 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

htzzipper.en.alibaba.com performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

31/100

10%

LCP (Largest Contentful Paint)

Value9.2 s

1/100

25%

SI (Speed Index)

Value14.7 s

1/100

10%

TBT (Total Blocking Time)

Value5,400 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.012

100/100

15%

TTI (Time to Interactive)

Value25.1 s

0/100

10%

Network Requests Diagram

htzzipper.en.alibaba.com

2535 ms

htzzipper.en.alibaba.com

219 ms

18 ms

O1CN0153JdbU26g4bILVOyC_!!6000000007690-2-tps-418-58.png

395 ms

index.js

428 ms

Our browser made a total of 43 requests to load all elements on the main page. We found that 5% of them (2 requests) were addressed to the original Htzzipper.en.alibaba.com, 44% (19 requests) were made to S.alicdn.com and 21% (9 requests) were made to Sc02.alicdn.com. The less responsive or slowest element that took the longest time to load (3 sec) relates to the external source S.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 701.8 kB (41%)

Content Size

1.7 MB

After Optimization

1.0 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Htzzipper.en.alibaba.com main page is 1.7 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. 25% of websites need less resources to load. Javascripts take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 310.8 kB

  • Original 388.4 kB
  • After minification 387.6 kB
  • After compression 77.6 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. 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 310.8 kB or 80% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 4.8 kB
  • After minification 4.8 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. Htz Zipper En Alibaba images are well optimized though.

JavaScript Optimization

-30%

Potential reduce by 391.1 kB

  • Original 1.3 MB
  • After minification 1.3 MB
  • After compression 921.5 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 391.1 kB or 30% of the original size.

Requests Breakdown

Number of requests can be reduced by 28 (68%)

Requests Now

41

After Optimization

13

  • AJAX
  • Images
  • JavaScript

The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Htz Zipper En Alibaba. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

htzzipper.en.alibaba.com

htzzipper.en.alibaba.com

2535 ms

htzzipper.en.alibaba.com

htzzipper.en.alibaba.com

219 ms

18 ms

O1CN0153JdbU26g4bILVOyC_!!6000000007690-2-tps-418-58.png

O1CN0153JdbU26g4bILVOyC_!!6000000007690-2-tps-418-58.png

395 ms

index.js

index.js

428 ms

index.js

index.js

394 ms

renderHeader.js

renderHeader.js

409 ms

Hc686fa42cc83463d8f8453530cd24688e.jpg

Hc686fa42cc83463d8f8453530cd24688e.jpg

1302 ms

Hde4e1cf10c964e7b8af74fad88f154efX.jpg

Hde4e1cf10c964e7b8af74fad88f154efX.jpg

1254 ms

H37107dcb6ff64af0bf5620a901504f06g.jpg

H37107dcb6ff64af0bf5620a901504f06g.jpg

2958 ms

awsc.js

awsc.js

230 ms

12 ms

7.gif

7.gif

339 ms

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H8a394ddd051b461bbcba52aa2cf7b121U.jpg

1130 ms

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Hda01fd4b5ded4200b9e48f2b77d13722L.jpg

493 ms

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He2574323c6f14b98abf93138ea8bca7aS.jpg

1088 ms

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H3392b1c0a9094386ab2568b59036f9d6i.jpg

1123 ms

H0414575adc634123860c6b79607d2692m.jpg_350x350.jpg

H0414575adc634123860c6b79607d2692m.jpg_350x350.jpg

1632 ms

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H8d973ec7009d43dabadd2cdbebcbb651B.jpg_350x350.jpg

1781 ms

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Hcb3c47e1c44247c8aa6b44952ff73787p.jpg_350x350.jpg

1866 ms

H282a5419a5094c1ea53d78e304169e74G.png_350x350.jpg

H282a5419a5094c1ea53d78e304169e74G.png_350x350.jpg

1971 ms

Hb127e9ef75404f158558793a2bcd305dM.png_350x350.jpg

Hb127e9ef75404f158558793a2bcd305dM.png_350x350.jpg

2136 ms

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H215751483f69495a8ceb86ed9e5e78b2G.jpg_350x350.jpg

2584 ms

H6b065abded9f48f882a4aba11756546bT.jpg_350x350.jpg

H6b065abded9f48f882a4aba11756546bT.jpg_350x350.jpg

2665 ms

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H13c4088f67b94395a172c4dc576b2810f.jpg_350x350.jpg

2386 ms

H7ef4fade33174920be7cc6976040a8ec5.jpg_350x350.jpg

H7ef4fade33174920be7cc6976040a8ec5.jpg_350x350.jpg

3009 ms

Hd1216de324ec43d3a1c137baa3f8be88y.jpg_350x350.jpg

Hd1216de324ec43d3a1c137baa3f8be88y.jpg_350x350.jpg

2830 ms

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Hfbed849a0eb14168872f7a73cf3d417fe.jpg

1008 ms

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1012 ms

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Hca047fe5931846b0af3283004ffd837al.jpg

661 ms

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Hec344a57d8f546d3a8f3786fc58d1a65A.jpg

720 ms

H4efde6774f13401281539d7705fb4e89f.jpg

H4efde6774f13401281539d7705fb4e89f.jpg

722 ms

He4aba5cbf9d4434c8cb3547e5441afa0d.jpg

He4aba5cbf9d4434c8cb3547e5441afa0d.jpg

973 ms

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1311 ms

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1718 ms

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H66f2b777c37c433081f5a0d70bbea9708.jpg

1707 ms

et_n.js

et_n.js

19 ms

um.js

um.js

10 ms

wu.json

wu.json

585 ms

um.json

um.json

54 ms

getUmid.do

getUmid.do

641 ms

eg.js

eg.js

2 ms

index.js

index.js

10 ms

Accessibility Review

htzzipper.en.alibaba.com accessibility score

66

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

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

High

Image elements do not have [alt] attributes

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

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

htzzipper.en.alibaba.com best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

htzzipper.en.alibaba.com SEO score

79

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 doesn't use legible font sizes

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 Htzzipper.en.alibaba.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 Htzzipper.en.alibaba.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

htzzipper.en.alibaba.com

Open Graph data is detected on the main page of Htz Zipper En Alibaba. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: