Tools & Wizards About Us
sprsunheatpump.com screenshot

Report Summary

  • 28

    Performance

    Renders faster than
    47% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

sprsunheatpump.com

SPRSUN | Heat Pump Manufacturer & Supplier Since 1999

Page Load Speed

4.5 sec in total

First Response

29 ms

Resources Loaded

3.2 sec

Page Rendered

1.3 sec

sprsunheatpump.com screenshot

About Website

Click here to check amazing SPRSUN Heat Pump content. Otherwise, check out these important facts you probably never knew about sprsunheatpump.com

Founded in 1999, SPRSUN is one of the top 10 heat pump manufacturers & suppliers in China. It is also a rising smart inverter heat pump brand with ERP A+++ energy label.

Visit sprsunheatpump.com

Key Findings

We analyzed Sprsunheatpump.com page load time and found that the first response time was 29 ms and then it took 4.5 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

sprsunheatpump.com performance score

28

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

26/100

10%

LCP (Largest Contentful Paint)

Value4.6 s

35/100

25%

SI (Speed Index)

Value23.8 s

0/100

10%

TBT (Total Blocking Time)

Value2,150 ms

6/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value33.6 s

0/100

10%

Network Requests Diagram

sprsunheatpump.com

29 ms

slick.css

46 ms

public.css

57 ms

quicknavigation.css

42 ms

style.css

60 ms

Our browser made a total of 91 requests to load all elements on the main page. We found that 2% of them (2 requests) were addressed to the original Sprsunheatpump.com, 73% (66 requests) were made to 5mrorwxhniqoiij.leadongcdn.com and 9% (8 requests) were made to 5rrorwxhniqojik.leadongcdn.com. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source 5mrorwxhniqoiij.leadongcdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 511.1 kB (4%)

Content Size

11.7 MB

After Optimization

11.2 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Sprsunheatpump.com main page is 11.7 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. 60% of websites need less resources to load. Images take 11.4 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 288.7 kB

  • Original 345.1 kB
  • After minification 345.1 kB
  • After compression 56.4 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 288.7 kB or 84% of the original size.

Image Optimization

-2%

Potential reduce by 222.0 kB

  • Original 11.4 MB
  • After minification 11.2 MB

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 Heat Pump images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 331 B

  • Original 15.4 kB
  • After minification 15.4 kB
  • After compression 15.1 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. This website has mostly compressed JavaScripts.

Requests Breakdown

Number of requests can be reduced by 12 (14%)

Requests Now

88

After Optimization

76

  • Images
  • JavaScript
  • CSS

The browser has sent 88 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SPRSUN Heat Pump. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

sprsunheatpump.com

sprsunheatpump.com

29 ms

slick.css

slick.css

46 ms

public.css

public.css

57 ms

quicknavigation.css

quicknavigation.css

42 ms

style.css

style.css

60 ms

olkqKBroRiiSoniqSRnjlrlolqSRnijnjnlnSRrjljmrlrriljirSRqinjilooilrrRrrSj.css

olkqKBroRiiSoniqSRnjlrlolqSRnijnjnlnSRrjljmrlrriljirSRqinjilooilrrRrrSj.css

27 ms

speedLazyLoad4.min.js

speedLazyLoad4.min.js

34 ms

bat.js

bat.js

210 ms

hotjar-4988627.js

hotjar-4988627.js

234 ms

guanwangBanner01.jpg

guanwangBanner01.jpg

204 ms

dn.png

dn.png

499 ms

captcha

captcha

1069 ms

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style6tiny.png

32 ms

insight.min.js

insight.min.js

72 ms

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64 ms

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151 ms

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190 ms

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209 ms

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172 ms

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218 ms

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190 ms

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309 ms

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280 ms

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322 ms

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488 ms

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465 ms

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434 ms

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437 ms

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563 ms

shou.jpg

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499 ms

R290-640-640.jpg

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599 ms

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666 ms

EVI-low-temp-heat-pump-640-640.jpg

EVI-low-temp-heat-pump-640-640.jpg

692 ms

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622 ms

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high-temp-heat-pump-640-640.jpg

830 ms

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all-in-one-heat-pump-640-640.jpg

727 ms

ziyuan.png

ziyuan.png

713 ms

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711 ms

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789 ms

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796 ms

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800 ms

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898 ms

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897 ms

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960 ms

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970 ms

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941 ms

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948 ms

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1034 ms

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1073 ms

spr10.jpg

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170 ms

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shou5.jpg

223 ms

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249 ms

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196 ms

setiao.jpg

setiao.jpg

56 ms

1242.jpg

1242.jpg

245 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

998 ms

97039832.js

97039832.js

21 ms

iconfont.woff

iconfont.woff

963 ms

insight_tag_errors.gif

insight_tag_errors.gif

71 ms

97039832

97039832

46 ms

clarity.js

clarity.js

19 ms

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980 ms

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1013 ms

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1055 ms

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1000 ms

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1035 ms

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1060 ms

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1025 ms

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1127 ms

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1031 ms

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994 ms

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960 ms

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1020 ms

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986 ms

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1008 ms

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974 ms

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1134 ms

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1011 ms

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980 ms

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994 ms

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996 ms

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1003 ms

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1088 ms

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1028 ms

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1092 ms

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965 ms

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977 ms

gtm.js

gtm.js

101 ms

fbevents.js

fbevents.js

41 ms

c.gif

c.gif

8 ms

Accessibility Review

sprsunheatpump.com accessibility score

83

Accessibility Issues

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

Heading elements are not in a sequentially-descending order

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

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

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

sprsunheatpump.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

sprsunheatpump.com SEO score

86

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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 uses 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.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.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.com

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