Report Summary

  • 0

    Performance

  • 83

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 50

    SEO

    Google-friendlier than
    18% of websites

china-solarwaterheater.com

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Page Load Speed

18.4 sec in total

First Response

8.9 sec

Resources Loaded

9.4 sec

Page Rendered

126 ms

china-solarwaterheater.com screenshot

About Website

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Visit china-solarwaterheater.com

Key Findings

We analyzed China-solarwaterheater.com page load time and found that the first response time was 8.9 sec and then it took 9.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

china-solarwaterheater.com performance score

0

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.0 s

1/100

10%

LCP (Largest Contentful Paint)

Value0

0/100

25%

SI (Speed Index)

Value14.2 s

1/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.015

100/100

15%

TTI (Time to Interactive)

Value8.6 s

37/100

10%

Network Requests Diagram

china-solarwaterheater.com

8880 ms

style.css

139 ms

msn.gif

215 ms

logo.jpg

74 ms

banner.jpg

430 ms

Our browser made a total of 23 requests to load all elements on the main page. We found that all of those requests were addressed to China-solarwaterheater.com and no external sources were called. The less responsive or slowest element that took the longest time to load (8.9 sec) belongs to the original domain China-solarwaterheater.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 26.6 kB (14%)

Content Size

193.4 kB

After Optimization

166.8 kB

In fact, the total size of China-solarwaterheater.com main page is 193.4 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. Only 10% of websites need less resources to load. Images take 176.4 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 11.8 kB

  • Original 15.1 kB
  • After minification 14.1 kB
  • After compression 3.4 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 11.8 kB or 78% of the original size.

Image Optimization

-8%

Potential reduce by 13.3 kB

  • Original 176.4 kB
  • After minification 163.0 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. China Solarwaterheater images are well optimized though.

CSS Optimization

-77%

Potential reduce by 1.5 kB

  • Original 1.9 kB
  • After minification 1.5 kB
  • After compression 430 B

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. China-solarwaterheater.com needs all CSS files to be minified and compressed as it can save up to 1.5 kB or 77% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

22

After Optimization

22

The browser has sent 22 CSS, Javascripts, AJAX and image requests in order to completely render the main page of China Solarwaterheater. According to our analytics all requests are already optimized.

Accessibility Review

china-solarwaterheater.com accessibility score

83

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

<frame> or <iframe> elements do not have a title

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

china-solarwaterheater.com best practices score

58

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

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

SEO Factors

china-solarwaterheater.com SEO score

50

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

robots.txt is not valid

Content Best Practices

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

Impact

Issue

High

Document uses plugins

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise China-solarwaterheater.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese 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 China-solarwaterheater.com main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph description is not detected on the main page of China Solarwaterheater. 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: