Tools & Wizards About Us

Report Summary

  • 28

    Performance

    Renders faster than
    48% of other websites

  • 63

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

powerworld.cc

派沃空气能-专注热泵研发22年,空气能热泵头部品牌|看过派沃,再买空气能

Page Load Speed

12.3 sec in total

First Response

689 ms

Resources Loaded

11 sec

Page Rendered

597 ms

About Website

Click here to check amazing Powerworld content. Otherwise, check out these important facts you probably never knew about powerworld.cc

派沃股份(股票代码：870092)深耕空气能领域22年，是国家高新技术企业、专精特新"小巨人"企业，连续多年荣获中国热泵行业领军品牌。惠州20万㎡智造基地，年产能超100万套，产品覆盖：空气能热泵(家用/商用/泳池/烘干)、工业省电空调(车间/厂房降温)、冷库及冷链(智能变频冷库)、商用厨房空调、液冷及温控(储能/IDC/数据中心/充电桩液冷)等，提供一站式解决方案。

Visit powerworld.cc

Key Findings

We analyzed Powerworld.cc page load time and found that the first response time was 689 ms and then it took 11.6 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

powerworld.cc performance score

28

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

11/100

10%

LCP (Largest Contentful Paint)

Value19.7 s

0/100

25%

SI (Speed Index)

Value17.8 s

0/100

10%

TBT (Total Blocking Time)

Value430 ms

65/100

30%

CLS (Cumulative Layout Shift)

Value0.308

38/100

15%

TTI (Time to Interactive)

Value12.1 s

16/100

10%

Network Requests Diagram

powerworld.cc

689 ms

powerworld.cc

951 ms

bootstrap.css

481 ms

html5reset-1.6.1.css

703 ms

jquery.bxslider.css

704 ms

Our browser made a total of 67 requests to load all elements on the main page. We found that 94% of them (63 requests) were addressed to the original Powerworld.cc, 3% (2 requests) were made to Hm.baidu.com and 1% (1 request) were made to Goutong.baidu.com. The less responsive or slowest element that took the longest time to load (8 sec) belongs to the original domain Powerworld.cc.

Page Optimization Overview & Recommendations

Page size can be reduced by 471.4 kB (5%)

Content Size

9.8 MB

After Optimization

9.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Powerworld.cc main page is 9.8 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. 45% of websites need less resources to load. Images take 9.5 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 22.8 kB

  • Original 28.0 kB
  • After minification 22.3 kB
  • After compression 5.2 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. This page needs HTML code to be minified as it can gain 5.7 kB, which is 20% 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 22.8 kB or 82% of the original size.

Image Optimization

-4%

Potential reduce by 405.9 kB

  • Original 9.5 MB
  • After minification 9.1 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. Powerworld images are well optimized though.

JavaScript Optimization

-10%

Potential reduce by 21.6 kB

  • Original 222.1 kB
  • After minification 222.1 kB
  • After compression 200.6 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

-37%

Potential reduce by 21.1 kB

  • Original 57.1 kB
  • After minification 53.9 kB
  • After compression 36.0 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. Powerworld.cc needs all CSS files to be minified and compressed as it can save up to 21.1 kB or 37% of the original size.

Requests Breakdown

Number of requests can be reduced by 25 (38%)

Requests Now

65

After Optimization

40

  • Images
  • JavaScript
  • CSS

The browser has sent 65 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Powerworld. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

powerworld.cc accessibility score

63

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-hidden="true"] elements contain focusable descendents

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

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

Links do not have a discernible name

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

powerworld.cc 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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

powerworld.cc SEO score

83

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 uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Powerworld.cc 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 Powerworld.cc 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

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