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

Report Summary

  • 8

    Performance

    Renders faster than
    22% of other websites

  • 44

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

sumring.en.alibaba.com

Company Overview - Shenzhen Sumring Technology Co., Ltd.

Page Load Speed

5 sec in total

First Response

333 ms

Resources Loaded

4.3 sec

Page Rendered

364 ms

sumring.en.alibaba.com screenshot

About Website

Visit sumring.en.alibaba.com now to see the best up-to-date Sumring En Alibaba content for China and also check out these interesting facts you probably never knew about sumring.en.alibaba.com

Shenzhen Sumring Technology Co., Ltd. Products:Carbon Monoxide Detector, Gas Detector, Smoke Detector, Fire Alarm System, Smart Home System

Visit sumring.en.alibaba.com

Key Findings

We analyzed Sumring.en.alibaba.com page load time and found that the first response time was 333 ms and then it took 4.7 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

sumring.en.alibaba.com performance score

8

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

29/100

10%

LCP (Largest Contentful Paint)

Value8.5 s

2/100

25%

SI (Speed Index)

Value14.4 s

1/100

10%

TBT (Total Blocking Time)

Value8,520 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.359

30/100

15%

TTI (Time to Interactive)

Value27.6 s

0/100

10%

Network Requests Diagram

sumring.en.alibaba.com

333 ms

sumring.en.alibaba.com

373 ms

47 ms

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

44 ms

index.js

243 ms

Our browser made a total of 26 requests to load all elements on the main page. We found that 8% of them (2 requests) were addressed to the original Sumring.en.alibaba.com, 31% (8 requests) were made to S.alicdn.com and 12% (3 requests) were made to Assets.alicdn.com. The less responsive or slowest element that took the longest time to load (3.6 sec) relates to the external source S.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 892.6 kB (46%)

Content Size

1.9 MB

After Optimization

1.0 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Sumring.en.alibaba.com main page is 1.9 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. 55% of websites need less resources to load. Javascripts take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 545.0 kB

  • Original 648.3 kB
  • After minification 647.6 kB
  • After compression 103.3 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 545.0 kB or 84% of the original size.

Image Optimization

-0%

Potential reduce by 7 B

  • Original 6.0 kB
  • After minification 6.0 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. Sumring En Alibaba images are well optimized though.

JavaScript Optimization

-27%

Potential reduce by 347.6 kB

  • Original 1.3 MB
  • After minification 1.3 MB
  • After compression 929.9 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 347.6 kB or 27% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (46%)

Requests Now

24

After Optimization

13

  • AJAX
  • Images
  • JavaScript

The browser has sent 24 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sumring 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

sumring.en.alibaba.com

sumring.en.alibaba.com

333 ms

sumring.en.alibaba.com

sumring.en.alibaba.com

373 ms

47 ms

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

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

44 ms

index.js

index.js

243 ms

index.js

index.js

56 ms

renderHeader.js

renderHeader.js

59 ms

awsc.js

awsc.js

22 ms

153 ms

et_n.js

et_n.js

8 ms

um.js

um.js

164 ms

7.gif

7.gif

119 ms

TB1Ay1AVUz1gK0jSZLeXXb9kVXa-196-80.png

TB1Ay1AVUz1gK0jSZLeXXb9kVXa-196-80.png

470 ms

Hd65ad72a66074f61b3e55b7d3b0cc935e.png

Hd65ad72a66074f61b3e55b7d3b0cc935e.png

763 ms

H52c58f8b00e7411297f5851db1acf51fa.jpg

H52c58f8b00e7411297f5851db1acf51fa.jpg

1043 ms

H22b19388652b4a57ba374369b3b680dc0.png_100x100.png

H22b19388652b4a57ba374369b3b680dc0.png_100x100.png

118 ms

H4a065797e2c34dd0afdaa24bce9ae4ab7.jpg_100x100.jpg

H4a065797e2c34dd0afdaa24bce9ae4ab7.jpg_100x100.jpg

130 ms

H5d22c75d0ad649539f72d3153d1c1e67B.jpeg_100x100.jpeg

H5d22c75d0ad649539f72d3153d1c1e67B.jpeg_100x100.jpeg

145 ms

HTB1QGZdhkKWBuNjy1zjq6AOypXa0.jpg

HTB1QGZdhkKWBuNjy1zjq6AOypXa0.jpg

698 ms

H3687a641339245b7bac0c05c53cb34bce.jpg

H3687a641339245b7bac0c05c53cb34bce.jpg

976 ms

Hfec8172ae7eb43d695d6efdd62414950g.jpg

Hfec8172ae7eb43d695d6efdd62414950g.jpg

3560 ms

wu.json

wu.json

31 ms

um.json

um.json

54 ms

getUmid.do

getUmid.do

40 ms

eg.js

eg.js

2 ms

index.js

index.js

25 ms

Accessibility Review

sumring.en.alibaba.com accessibility score

44

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.

Best Practices

sumring.en.alibaba.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

Missing source maps for large first-party JavaScript

SEO Factors

sumring.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 Sumring.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 Sumring.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

sumring.en.alibaba.com

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