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

Report Summary

  • 23

    Performance

    Renders faster than
    42% of other websites

  • 66

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

sprsunheatpump.en.alibaba.com

Company Overview - Guangzhou Sprsun New Energy Technology Development Co., Ltd.

Page Load Speed

3.4 sec in total

First Response

467 ms

Resources Loaded

2.5 sec

Page Rendered

451 ms

sprsunheatpump.en.alibaba.com screenshot

About Website

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

Guangzhou Sprsun New Energy Technology Development Co., Ltd. Products:Air to Water Heat Pumps,EVI Low Temp Heat Pumps,Ground/Water Source Heats Pumps,Swimming Pool Heat Pumps,DC Inverter Heat Pumps

Visit sprsunheatpump.en.alibaba.com

Key Findings

We analyzed Sprsunheatpump.en.alibaba.com page load time and found that the first response time was 467 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

sprsunheatpump.en.alibaba.com performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

60/100

10%

LCP (Largest Contentful Paint)

Value7.0 s

6/100

25%

SI (Speed Index)

Value10.9 s

6/100

10%

TBT (Total Blocking Time)

Value17,230 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.005

100/100

15%

TTI (Time to Interactive)

Value31.3 s

0/100

10%

Network Requests Diagram

sprsunheatpump.en.alibaba.com

467 ms

sprsunheatpump.en.alibaba.com

294 ms

52 ms

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

46 ms

index.js

72 ms

Our browser made a total of 33 requests to load all elements on the main page. We found that 6% of them (2 requests) were addressed to the original Sprsunheatpump.en.alibaba.com, 48% (16 requests) were made to S.alicdn.com and 9% (3 requests) were made to Assets.alicdn.com. The less responsive or slowest element that took the longest time to load (1.7 sec) relates to the external source S.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.1 MB (52%)

Content Size

2.1 MB

After Optimization

992.7 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Sprsunheatpump.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. 30% 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 516.1 kB

  • Original 615.1 kB
  • After minification 614.4 kB
  • After compression 99.0 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 516.1 kB or 84% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 8.5 kB
  • After minification 8.5 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. Sprsun Heatpump En Alibaba images are well optimized though.

JavaScript Optimization

-38%

Potential reduce by 542.9 kB

  • Original 1.4 MB
  • After minification 1.4 MB
  • After compression 885.2 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 542.9 kB or 38% of the original size.

Requests Breakdown

Number of requests can be reduced by 17 (55%)

Requests Now

31

After Optimization

14

  • AJAX
  • Images
  • JavaScript

The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sprsun Heatpump 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

sprsunheatpump.en.alibaba.com

sprsunheatpump.en.alibaba.com

467 ms

sprsunheatpump.en.alibaba.com

sprsunheatpump.en.alibaba.com

294 ms

52 ms

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

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

46 ms

index.js

index.js

72 ms

index.js

index.js

65 ms

renderHeader.js

renderHeader.js

66 ms

H1afd3de447c145328d025dac266db937D.jpg

H1afd3de447c145328d025dac266db937D.jpg

408 ms

Hd9dbfda1e185435287882f52ce2204deI.jpg

Hd9dbfda1e185435287882f52ce2204deI.jpg

1050 ms

Hec2d78b079ed4f079278d55354f10e00L.jpg

Hec2d78b079ed4f079278d55354f10e00L.jpg

734 ms

awsc.js

awsc.js

66 ms

26 ms

7.gif

7.gif

63 ms

et_n.js

et_n.js

69 ms

um.js

um.js

155 ms

H985ed1586dd044889b1a1a9efba2cfd5O.jpg

H985ed1586dd044889b1a1a9efba2cfd5O.jpg

657 ms

Hf1c96b75fa6b4cf4b0f86ae8a7ce8bdf4.jpg

Hf1c96b75fa6b4cf4b0f86ae8a7ce8bdf4.jpg

550 ms

TB1Gvmpg7P2gK0jSZPxXXacQpXa-1200-230.jpg

TB1Gvmpg7P2gK0jSZPxXXacQpXa-1200-230.jpg

212 ms

O1CN01eP7P8d1y1kdsWFgqQ_!!6000000006519-2-tps-1920-200.png

O1CN01eP7P8d1y1kdsWFgqQ_!!6000000006519-2-tps-1920-200.png

31 ms

H9035f960501c40ff934d584f20c05247b.jpg

H9035f960501c40ff934d584f20c05247b.jpg

270 ms

2023-European-standard-for-domestic-hot-water.jpg_480x480.jpg

2023-European-standard-for-domestic-hot-water.jpg_480x480.jpg

383 ms

Hb98d534590794b3dba498067e38e58e5d.jpg

Hb98d534590794b3dba498067e38e58e5d.jpg

1490 ms

R32-water-heater-pool-heat-pump-cooling.jpg_350x350.jpg

R32-water-heater-pool-heat-pump-cooling.jpg_350x350.jpg

671 ms

Mini-Household-R32-full-DC-inverter-Pool.jpg_350x350.jpg

Mini-Household-R32-full-DC-inverter-Pool.jpg_350x350.jpg

1264 ms

Energy-saving-DC-inverter-Pool-Heat-pump.png_350x350.jpg

Energy-saving-DC-inverter-Pool-Heat-pump.png_350x350.jpg

753 ms

H821bea1882714379bdeb93c0c10f80bc3.jpg

H821bea1882714379bdeb93c0c10f80bc3.jpg

1103 ms

H59bfe433aa564c2a8f2be3f7edcddcd26.jpg

H59bfe433aa564c2a8f2be3f7edcddcd26.jpg

1684 ms

H2f9daa8de6fc4ff2908132e43889fa72I.jpg

H2f9daa8de6fc4ff2908132e43889fa72I.jpg

676 ms

wu.json

wu.json

25 ms

um.json

um.json

54 ms

getUmid.do

getUmid.do

23 ms

eg.js

eg.js

3 ms

index.js

index.js

12 ms

Accessibility Review

sprsunheatpump.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

sprsunheatpump.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

Serves images with low resolution

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

sprsunheatpump.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 Sprsunheatpump.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 Sprsunheatpump.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

sprsunheatpump.en.alibaba.com

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