Tools & Wizards About Us
pw1998.en.alibaba.com screenshot

Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 42

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

pw1998.en.alibaba.com

Company Overview - Shenzhen Power World New Energy Technology Co., Ltd.

Page Load Speed

2.7 sec in total

First Response

168 ms

Resources Loaded

2.1 sec

Page Rendered

449 ms

pw1998.en.alibaba.com screenshot

About Website

Visit pw1998.en.alibaba.com now to see the best up-to-date Pw 1998 En Alibaba content for China and also check out these interesting facts you probably never knew about pw1998.en.alibaba.com

Shenzhen Power World New Energy Technology Co., Ltd. Products:EVI DC Inverter Heat Pump/DC Inverter Swimming Pool Heat Pump/Heat Pump Water Heater/Commercial Heat Pump/Mini Pool Heat Pump

Visit pw1998.en.alibaba.com

Key Findings

We analyzed Pw1998.en.alibaba.com page load time and found that the first response time was 168 ms and then it took 2.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

pw1998.en.alibaba.com performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

51/100

10%

LCP (Largest Contentful Paint)

Value17.0 s

0/100

25%

SI (Speed Index)

Value21.7 s

0/100

10%

TBT (Total Blocking Time)

Value19,200 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.036

100/100

15%

TTI (Time to Interactive)

Value36.8 s

0/100

10%

Network Requests Diagram

pw1998.en.alibaba.com

168 ms

pw1998.en.alibaba.com

245 ms

75 ms

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

52 ms

index.js

85 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 Pw1998.en.alibaba.com, 42% (38 requests) were made to Img.alicdn.com and 29% (26 requests) were made to Sc02.alicdn.com. The less responsive or slowest element that took the longest time to load (1.6 sec) relates to the external source Sc02.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 972.5 kB (46%)

Content Size

2.1 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Pw1998.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. 50% of websites need less resources to load. Javascripts take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 409.2 kB

  • Original 504.7 kB
  • After minification 503.8 kB
  • After compression 95.6 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 409.2 kB or 81% of the original size.

Image Optimization

-13%

Potential reduce by 20.5 kB

  • Original 159.5 kB
  • After minification 139.0 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. Obviously, Pw 1998 En Alibaba needs image optimization as it can save up to 20.5 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

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 23 (26%)

Requests Now

89

After Optimization

66

  • AJAX
  • Images
  • JavaScript

The browser has sent 89 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Pw 1998 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

pw1998.en.alibaba.com

pw1998.en.alibaba.com

168 ms

pw1998.en.alibaba.com

pw1998.en.alibaba.com

245 ms

75 ms

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52 ms

index.js

index.js

85 ms

index.js

index.js

56 ms

renderHeader.js

renderHeader.js

62 ms

awsc.js

awsc.js

95 ms

47 ms

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71 ms

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253 ms

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257 ms

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365 ms

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75 ms

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55 ms

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440 ms

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247 ms

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440 ms

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726 ms

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593 ms

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517 ms

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281 ms

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893 ms

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323 ms

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322 ms

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304 ms

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303 ms

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326 ms

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349 ms

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327 ms

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347 ms

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644 ms

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351 ms

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401 ms

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398 ms

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370 ms

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376 ms

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417 ms

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421 ms

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422 ms

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424 ms

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440 ms

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446 ms

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447 ms

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469 ms

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464 ms

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471 ms

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470 ms

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488 ms

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492 ms

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493 ms

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514 ms

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518 ms

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516 ms

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515 ms

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539 ms

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777 ms

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464 ms

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596 ms

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218 ms

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241 ms

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377 ms

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342 ms

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416 ms

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926 ms

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630 ms

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585 ms

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820 ms

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877 ms

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929 ms

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860 ms

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992 ms

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1040 ms

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1445 ms

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1226 ms

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1134 ms

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1149 ms

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1607 ms

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1401 ms

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1342 ms

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1356 ms

7.gif

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42 ms

et_n.js

et_n.js

34 ms

um.js

um.js

120 ms

wu.json

wu.json

469 ms

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320 ms

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263 ms

um.json

um.json

56 ms

getUmid.do

getUmid.do

29 ms

eg.js

eg.js

3 ms

index.js

index.js

8 ms

Accessibility Review

pw1998.en.alibaba.com accessibility score

42

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

High

Links do not have a discernible name

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

pw1998.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

Displays images with incorrect aspect ratio

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

pw1998.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 Pw1998.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 Pw1998.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

pw1998.en.alibaba.com

Open Graph data is detected on the main page of Pw 1998 En Alibaba. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: