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dsppa.en.alibaba.com screenshot

Report Summary

  • 21

    Performance

    Renders faster than
    39% of other websites

  • 65

    Accessibility

    Visual factors better than
    that of 30% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

dsppa.en.alibaba.com

Company Overview - Guangzhou DSPPA Audio Co., Ltd.

Page Load Speed

5.1 sec in total

First Response

473 ms

Resources Loaded

4.4 sec

Page Rendered

269 ms

dsppa.en.alibaba.com screenshot

About Website

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

Guangzhou DSPPA Audio Co., Ltd. Products:PA System,Amplifier,Speaker,Home Audio System,Conference System

Visit dsppa.en.alibaba.com

Key Findings

We analyzed Dsppa.en.alibaba.com page load time and found that the first response time was 473 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

dsppa.en.alibaba.com performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

52/100

10%

LCP (Largest Contentful Paint)

Value9.1 s

1/100

25%

SI (Speed Index)

Value10.8 s

7/100

10%

TBT (Total Blocking Time)

Value6,060 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value25.7 s

0/100

10%

Network Requests Diagram

dsppa.en.alibaba.com

473 ms

dsppa.en.alibaba.com

418 ms

54 ms

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

277 ms

index.js

365 ms

Our browser made a total of 52 requests to load all elements on the main page. We found that 4% of them (2 requests) were addressed to the original Dsppa.en.alibaba.com, 73% (38 requests) were made to S.alicdn.com and 6% (3 requests) were made to Assets.alicdn.com. The less responsive or slowest element that took the longest time to load (3.5 sec) relates to the external source S.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.0 MB (49%)

Content Size

2.0 MB

After Optimization

1.0 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Dsppa.en.alibaba.com main page is 2.0 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. 35% 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 596.5 kB

  • Original 707.7 kB
  • After minification 706.9 kB
  • After compression 111.2 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 596.5 kB or 84% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 7.5 kB
  • After minification 7.5 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. DSPPA En Alibaba images are well optimized though.

JavaScript Optimization

-31%

Potential reduce by 404.3 kB

  • Original 1.3 MB
  • After minification 1.3 MB
  • After compression 920.0 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 404.3 kB or 31% of the original size.

Requests Breakdown

Number of requests can be reduced by 37 (74%)

Requests Now

50

After Optimization

13

  • AJAX
  • Images
  • JavaScript

The browser has sent 50 CSS, Javascripts, AJAX and image requests in order to completely render the main page of DSPPA 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

dsppa.en.alibaba.com

dsppa.en.alibaba.com

473 ms

dsppa.en.alibaba.com

dsppa.en.alibaba.com

418 ms

54 ms

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

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

277 ms

index.js

index.js

365 ms

index.js

index.js

360 ms

renderHeader.js

renderHeader.js

359 ms

awsc.js

awsc.js

17 ms

113 ms

et_n.js

et_n.js

6 ms

um.js

um.js

119 ms

7.gif

7.gif

240 ms

wu.json

wu.json

457 ms

TB1Gvmpg7P2gK0jSZPxXXacQpXa-1200-230.jpg

TB1Gvmpg7P2gK0jSZPxXXacQpXa-1200-230.jpg

318 ms

Hf4cda857e4ed411890a77beaa120ccebF.jpg

Hf4cda857e4ed411890a77beaa120ccebF.jpg

390 ms

H46627e034b834286af088451a9ca4bf32.jpg

H46627e034b834286af088451a9ca4bf32.jpg

519 ms

Hf0c708f727f04d8fab7fa3f8420eda98O.jpg

Hf0c708f727f04d8fab7fa3f8420eda98O.jpg

940 ms

School-multi-zone-powered-public-address-amplifier.jpg_250x250.jpg

School-multi-zone-powered-public-address-amplifier.jpg_250x250.jpg

708 ms

6-zones-outdoor-public-address-system-for.jpg_250x250.jpg

6-zones-outdoor-public-address-system-for.jpg_250x250.jpg

425 ms

Digital-mixer-amplifier-with-30W-60W-Waterproof.jpg_250x250.jpg

Digital-mixer-amplifier-with-30W-60W-Waterproof.jpg_250x250.jpg

618 ms

China-Public-Announcement-System-Solution-School-Public.jpg_250x250.jpg

China-Public-Announcement-System-Solution-School-Public.jpg_250x250.jpg

538 ms

Multi-Zone-University-School-Wireless-Public-Address.jpg_250x250.jpg

Multi-Zone-University-School-Wireless-Public-Address.jpg_250x250.jpg

916 ms

Multi-zone-wireless-classroom-pa-system.jpg_250x250.jpg

Multi-zone-wireless-classroom-pa-system.jpg_250x250.jpg

883 ms

50w-8-inch-Pendant-Speaker-with-Subwoofer.jpg_250x250.jpg

50w-8-inch-Pendant-Speaker-with-Subwoofer.jpg_250x250.jpg

1258 ms

DSP9050-50W-Powerful-Outdoor-Waterproof-Wall-Speaker.jpg_250x250.jpg

DSP9050-50W-Powerful-Outdoor-Waterproof-Wall-Speaker.jpg_250x250.jpg

1088 ms

40W-50W-Water-Resistance-Black-White-6.jpg_250x250.jpg

40W-50W-Water-Resistance-Black-White-6.jpg_250x250.jpg

1260 ms

Dual-6-5inch-Woofer-TWS-Wireless-Portable.jpg_250x250.jpg

Dual-6-5inch-Woofer-TWS-Wireless-Portable.jpg_250x250.jpg

1521 ms

20W-IP65-exterior-wall-speakers-waterproof-speaker.jpg_250x250.jpg

20W-IP65-exterior-wall-speakers-waterproof-speaker.jpg_250x250.jpg

1299 ms

10W-20w-Commercial-Passive-PA-Public-Address.jpg_250x250.jpg

10W-20w-Commercial-Passive-PA-Public-Address.jpg_250x250.jpg

1391 ms

MAG808-Complete-Public-Address-Matrix-Audio-System.jpg_250x250.jpg

MAG808-Complete-Public-Address-Matrix-Audio-System.jpg_250x250.jpg

1240 ms

School-IP-based-public-address-pa-communication.jpg_250x250.jpg

School-IP-based-public-address-pa-communication.jpg_250x250.jpg

1631 ms

Network-IP-PA-Broadcasting-Intercom-System-Solution.png_250x250.jpg

Network-IP-PA-Broadcasting-Intercom-System-Solution.png_250x250.jpg

2150 ms

SIP-IP-Public-Address-System-Hospital.jpg_250x250.jpg

SIP-IP-Public-Address-System-Hospital.jpg_250x250.jpg

1704 ms

Wireless-Cloud-4G-Emergency-Audio-Broadcast-System.jpg_250x250.jpg

Wireless-Cloud-4G-Emergency-Audio-Broadcast-System.jpg_250x250.jpg

1694 ms

Airport-School-Office-IP-Network-Intercom-System.jpg_250x250.jpg

Airport-School-Office-IP-Network-Intercom-System.jpg_250x250.jpg

2366 ms

300W-LRAD-Car-Roof-Mounted-Long-Range.jpg_250x250.jpg

300W-LRAD-Car-Roof-Mounted-Long-Range.jpg_250x250.jpg

2248 ms

Public-Safety-150w-135db-Long-Range-Acoustic.jpg_250x250.jpg

Public-Safety-150w-135db-Long-Range-Acoustic.jpg_250x250.jpg

1949 ms

Acoustic-Hailing-Speaker-Long-Range-Acoustic-Hailing.jpg_250x250.jpg

Acoustic-Hailing-Speaker-Long-Range-Acoustic-Hailing.jpg_250x250.jpg

2088 ms

3600M-148dB-High-Power-Speaker-Long-Range.jpg_250x250.jpg

3600M-148dB-High-Power-Speaker-Long-Range.jpg_250x250.jpg

2103 ms

DSPPA-China-LRAD-Long-Range-Hailing-Acoustic.jpg_250x250.jpg

DSPPA-China-LRAD-Long-Range-Hailing-Acoustic.jpg_250x250.jpg

2555 ms

H0d638ede75e0414cbd053c143d8fc477f.png

H0d638ede75e0414cbd053c143d8fc477f.png

2280 ms

8-Zones-Dante-EN54-Voice-Evacuation-Fire.jpg_480x480.jpg

8-Zones-Dante-EN54-Voice-Evacuation-Fire.jpg_480x480.jpg

2743 ms

Dsppa-smart-city-pole-system-supplier.jpg_480x480.jpg

Dsppa-smart-city-pole-system-supplier.jpg_480x480.jpg

3156 ms

New-Design-OEM-Portable-Lrad-Waterproof-Long.jpg_480x480.jpg

New-Design-OEM-Portable-Lrad-Waterproof-Long.jpg_480x480.jpg

3192 ms

DSPPA-Outdoor-Surveillance-Visual-Broadcasting-Active-IP.jpg_480x480.jpg

DSPPA-Outdoor-Surveillance-Visual-Broadcasting-Active-IP.jpg_480x480.jpg

3030 ms

public-address-system-amplifier-digital-music-system.jpg_480x480.jpg

public-address-system-amplifier-digital-music-system.jpg_480x480.jpg

2912 ms

Multi-Zone-Wireless-Music-Streamer-Network-Audio.jpg_480x480.jpg

Multi-Zone-Wireless-Music-Streamer-Network-Audio.jpg_480x480.jpg

3464 ms

Professional-Audio-Sound-System-line-array-column.jpg_720x720.jpg

Professional-Audio-Sound-System-line-array-column.jpg_720x720.jpg

3052 ms

um.json

um.json

57 ms

getUmid.do

getUmid.do

236 ms

eg.js

eg.js

3 ms

index.js

index.js

13 ms

Accessibility Review

dsppa.en.alibaba.com accessibility score

65

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

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

High

Some elements have a [tabindex] value greater than 0

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

dsppa.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

dsppa.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 Dsppa.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 Dsppa.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

dsppa.en.alibaba.com

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