Tools & Wizards About Us
sunrans.com screenshot

Report Summary

  • 30

    Performance

    Renders faster than
    50% of other websites

  • 59

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

sunrans.com

Sunrans Spas & Hot Tubs | Dealer-wanted | Top1 SPA manufacturer

Page Load Speed

12.3 sec in total

First Response

2 sec

Resources Loaded

9.6 sec

Page Rendered

705 ms

sunrans.com screenshot

About Website

Visit sunrans.com now to see the best up-to-date Sunrans content and also check out these interesting facts you probably never knew about sunrans.com

Sunrans Group is the Top1 SPA manufacturer in China which has more than 15 years experience. It owned 3 production bases in China, Over 90,000 square meters, Output reach to 5000pcs SPA /month.

Visit sunrans.com

Key Findings

We analyzed Sunrans.com page load time and found that the first response time was 2 sec and then it took 10.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

sunrans.com performance score

30

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

23/100

10%

LCP (Largest Contentful Paint)

Value10.5 s

0/100

25%

SI (Speed Index)

Value13.8 s

1/100

10%

TBT (Total Blocking Time)

Value440 ms

64/100

30%

CLS (Cumulative Layout Shift)

Value0.238

52/100

15%

TTI (Time to Interactive)

Value17.4 s

4/100

10%

Network Requests Diagram

sunrans.com

1964 ms

animate.css

132 ms

animate.min.css

145 ms

bootstrap.min.css

171 ms

ModuleStyleMobile.css

363 ms

Our browser made a total of 36 requests to load all elements on the main page. We found that 8% of them (3 requests) were addressed to the original Sunrans.com, 72% (26 requests) were made to Cdn-cloudflare.meidianbang.cn and 11% (4 requests) were made to Img-for-hk.wds168.cn. The less responsive or slowest element that took the longest time to load (7.4 sec) relates to the external source Img-for-hk.wds168.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 434.3 kB (9%)

Content Size

4.8 MB

After Optimization

4.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sunrans.com main page is 4.8 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. Images take 4.3 MB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 368.5 kB

  • Original 414.0 kB
  • After minification 357.2 kB
  • After compression 45.5 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. This page needs HTML code to be minified as it can gain 56.8 kB, which is 14% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 368.5 kB or 89% of the original size.

Image Optimization

-2%

Potential reduce by 64.7 kB

  • Original 4.3 MB
  • After minification 4.2 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. Sunrans images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 16 B

  • Original 26.2 kB
  • After minification 26.2 kB
  • After compression 26.2 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. This website has mostly compressed JavaScripts.

CSS Optimization

-1%

Potential reduce by 1.1 kB

  • Original 88.6 kB
  • After minification 88.6 kB
  • After compression 87.5 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Sunrans.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 15 (43%)

Requests Now

35

After Optimization

20

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sunrans. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

sunrans.com

sunrans.com

1964 ms

animate.css

animate.css

132 ms

animate.min.css

animate.min.css

145 ms

bootstrap.min.css

bootstrap.min.css

171 ms

ModuleStyleMobile.css

ModuleStyleMobile.css

363 ms

ModuleMobileNavTpl.css

ModuleMobileNavTpl.css

152 ms

font-awesome.min.css

font-awesome.min.css

167 ms

iconfont.css

iconfont.css

180 ms

slick-theme.css

slick-theme.css

156 ms

slick.css

slick.css

166 ms

swiper.min.css

swiper.min.css

178 ms

swiper.min.js

swiper.min.js

183 ms

PageCss.css

PageCss.css

210 ms

PageJs.js

PageJs.js

196 ms

bootstrap-select.min.css

bootstrap-select.min.css

181 ms

imgbg.png

imgbg.png

19 ms

20210224190730a66e5a.png

20210224190730a66e5a.png

950 ms

wow.min.js

wow.min.js

19 ms

20210224190734ca8fea.png

20210224190734ca8fea.png

1172 ms

index.php

index.php

307 ms

iconfont.woff

iconfont.woff

18 ms

iconfont.woff

iconfont.woff

35 ms

2021012309562651a097.png

2021012309562651a097.png

24 ms

202101230956239e7a09.png

202101230956239e7a09.png

18 ms

202101230956157babae.png

202101230956157babae.png

18 ms

202101230956194334a7.png

202101230956194334a7.png

22 ms

20210123095610b875a4.png

20210123095610b875a4.png

21 ms

zoom.png

zoom.png

214 ms

20210116183054b3b556.jpg

20210116183054b3b556.jpg

26 ms

202101161701307ed23b.jpg

202101161701307ed23b.jpg

3716 ms

20210116170130776146.jpg

20210116170130776146.jpg

7224 ms

20210116170130f8ba67.jpg

20210116170130f8ba67.jpg

7083 ms

20210116170130b48e18.jpg

20210116170130b48e18.jpg

7403 ms

20201218152020de4fca.jpg

20201218152020de4fca.jpg

612 ms

count

count

465 ms

push.js

push.js

652 ms

Accessibility Review

sunrans.com accessibility score

59

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.

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

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

sunrans.com best practices score

83

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

Missing source maps for large first-party JavaScript

SEO Factors

sunrans.com SEO score

83

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

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 uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sunrans.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Sunrans.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

sunrans.com

Open Graph description is not detected on the main page of Sunrans. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: