Report Summary

  • 37

    Performance

    Renders faster than
    56% of other websites

  • 64

    Accessibility

    Visual factors better than
    that of 29% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

doulipower.com

electric motors,motors,ac,dc,hvac,iec,nema,motor supplier,shanghai douli power co.,ltd

Page Load Speed

54.7 sec in total

First Response

723 ms

Resources Loaded

52.4 sec

Page Rendered

1.5 sec

About Website

Welcome to doulipower.com homepage info - get ready to check Douli Power best content right away, or after learning these important things about doulipower.com

Shanghai Douli Power Corp. offers a full range of IEC/NEMA energy efficient general and definite purpose electric motors as well as custom made electric motors.

Visit doulipower.com

Key Findings

We analyzed Doulipower.com page load time and found that the first response time was 723 ms and then it took 53.9 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there were 20 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

doulipower.com performance score

37

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

40/100

10%

LCP (Largest Contentful Paint)

Value20.5 s

0/100

25%

SI (Speed Index)

Value15.2 s

1/100

10%

TBT (Total Blocking Time)

Value160 ms

94/100

30%

CLS (Cumulative Layout Shift)

Value0.538

14/100

15%

TTI (Time to Interactive)

Value9.8 s

28/100

10%

Network Requests Diagram

doulipower.com

723 ms

doulipower.com

1891 ms

swiper.min.css

410 ms

animate.min.css

646 ms

style.css

875 ms

Our browser made a total of 164 requests to load all elements on the main page. We found that 97% of them (159 requests) were addressed to the original Doulipower.com, 1% (2 requests) were made to Googletagmanager.com and 1% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (20.5 sec) belongs to the original domain Doulipower.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.6 MB (15%)

Content Size

17.6 MB

After Optimization

15.0 MB

In fact, the total size of Doulipower.com main page is 17.6 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 17.3 MB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 113.4 kB

  • Original 128.9 kB
  • After minification 87.5 kB
  • After compression 15.5 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 41.4 kB, which is 32% 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 113.4 kB or 88% of the original size.

Image Optimization

-14%

Potential reduce by 2.5 MB

  • Original 17.3 MB
  • After minification 14.8 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. Obviously, Douli Power needs image optimization as it can save up to 2.5 MB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-2%

Potential reduce by 2.7 kB

  • Original 168.9 kB
  • After minification 168.9 kB
  • After compression 166.2 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

-11%

Potential reduce by 3.5 kB

  • Original 31.7 kB
  • After minification 31.7 kB
  • After compression 28.1 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. Doulipower.com needs all CSS files to be minified and compressed as it can save up to 3.5 kB or 11% of the original size.

Requests Breakdown

Number of requests can be reduced by 21 (15%)

Requests Now

138

After Optimization

117

The browser has sent 138 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Douli Power. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

doulipower.com accessibility score

64

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

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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.

Best Practices

doulipower.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

High

Page has valid source maps

SEO Factors

doulipower.com SEO score

82

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

    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 Doulipower.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 Doulipower.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

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