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

Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 66

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

gasdetector.en.alibaba.com

Company Overview - Henan Chicheng Electric Co., Ltd.

Page Load Speed

5.8 sec in total

First Response

1.5 sec

Resources Loaded

4 sec

Page Rendered

281 ms

gasdetector.en.alibaba.com screenshot

About Website

Click here to check amazing Gasdetector En Alibaba content for China. Otherwise, check out these important facts you probably never knew about gasdetector.en.alibaba.com

Henan Chicheng Electric Co., Ltd. Products:Gas Detector, Smoke Detector, Home Gas Alarm, Solenoid Valve, Gas Detection Control Panel

Visit gasdetector.en.alibaba.com

Key Findings

We analyzed Gasdetector.en.alibaba.com page load time and found that the first response time was 1.5 sec and then it took 4.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

gasdetector.en.alibaba.com performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

62/100

10%

LCP (Largest Contentful Paint)

Value9.3 s

1/100

25%

SI (Speed Index)

Value9.5 s

12/100

10%

TBT (Total Blocking Time)

Value5,460 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.147

77/100

15%

TTI (Time to Interactive)

Value27.0 s

0/100

10%

Network Requests Diagram

gasdetector.en.alibaba.com

1531 ms

gasdetector.en.alibaba.com

350 ms

64 ms

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

46 ms

O1CN01Xt4rje1w9QKVzNB6S_!!6000000006265-2-tps-3084-90.png

117 ms

Our browser made a total of 49 requests to load all elements on the main page. We found that 4% of them (2 requests) were addressed to the original Gasdetector.en.alibaba.com, 24% (12 requests) were made to Sc01.alicdn.com and 22% (11 requests) were made to S.alicdn.com. The less responsive or slowest element that took the longest time to load (2.4 sec) relates to the external source S.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.0 MB (50%)

Content Size

2.1 MB

After Optimization

1.0 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Gasdetector.en.alibaba.com main page is 2.1 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. 40% of websites need less resources to load. Javascripts take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 508.1 kB

  • Original 608.1 kB
  • After minification 607.3 kB
  • After compression 100.0 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 508.1 kB or 84% of the original size.

Image Optimization

-0%

Potential reduce by 37 B

  • Original 43.4 kB
  • After minification 43.4 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. Gasdetector En Alibaba images are well optimized though.

JavaScript Optimization

-37%

Potential reduce by 515.6 kB

  • Original 1.4 MB
  • After minification 1.4 MB
  • After compression 889.8 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 515.6 kB or 37% of the original size.

Requests Breakdown

Number of requests can be reduced by 19 (40%)

Requests Now

47

After Optimization

28

  • AJAX
  • Images
  • JavaScript

The browser has sent 47 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Gasdetector 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 14 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

gasdetector.en.alibaba.com

gasdetector.en.alibaba.com

1531 ms

gasdetector.en.alibaba.com

gasdetector.en.alibaba.com

350 ms

64 ms

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46 ms

O1CN01Xt4rje1w9QKVzNB6S_!!6000000006265-2-tps-3084-90.png

O1CN01Xt4rje1w9QKVzNB6S_!!6000000006265-2-tps-3084-90.png

117 ms

76 ms

renderHeader.js

renderHeader.js

51 ms

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377 ms

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438 ms

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2381 ms

awsc.js

awsc.js

48 ms

8 ms

7.gif

7.gif

256 ms

index.js

index.js

93 ms

index.js

index.js

9 ms

et_n.js

et_n.js

8 ms

um.js

um.js

84 ms

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395 ms

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496 ms

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96 ms

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Hb65b70bd2f05445fb505595ac637834ap.jpg_100x100.jpg

111 ms

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H5d22c75d0ad649539f72d3153d1c1e67B.jpeg_100x100.jpeg

121 ms

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120 ms

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135 ms

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422 ms

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344 ms

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680 ms

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446 ms

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411 ms

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590 ms

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719 ms

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699 ms

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753 ms

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924 ms

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948 ms

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96 ms

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96 ms

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96 ms

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1018 ms

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644 ms

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375 ms

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829 ms

baxiaCommon.js

baxiaCommon.js

134 ms

wcfg.json

wcfg.json

968 ms

rp

rp

1293 ms

wu.json

wu.json

640 ms

um.json

um.json

54 ms

getUmid.do

getUmid.do

26 ms

eg.js

eg.js

9 ms

Accessibility Review

gasdetector.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

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

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.

Best Practices

gasdetector.en.alibaba.com best practices score

92

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

Missing source maps for large first-party JavaScript

SEO Factors

gasdetector.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 Gasdetector.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 Gasdetector.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

gasdetector.en.alibaba.com

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