Tools & Wizards About Us
grenergycn.com screenshot

Report Summary

  • 48

    Performance

    Renders faster than
    66% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 46

    SEO

    Google-friendlier than
    18% of websites

grenergycn.com

钜力能科技有限公司网站首页

Page Load Speed

12.3 sec in total

First Response

3.6 sec

Resources Loaded

8.1 sec

Page Rendered

564 ms

grenergycn.com screenshot

About Website

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

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Key Findings

We analyzed Grenergycn.com page load time and found that the first response time was 3.6 sec and then it took 8.6 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

grenergycn.com performance score

48

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

67/100

10%

LCP (Largest Contentful Paint)

Value16.4 s

0/100

25%

SI (Speed Index)

Value13.1 s

2/100

10%

TBT (Total Blocking Time)

Value310 ms

78/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value9.7 s

28/100

10%

Network Requests Diagram

grenergycn.com

3632 ms

all.min.css

240 ms

bootstrap.min.css

664 ms

swiper.min.css

435 ms

style.css

452 ms

Our browser made a total of 34 requests to load all elements on the main page. We found that 97% of them (33 requests) were addressed to the original Grenergycn.com, 3% (1 request) were made to S7.addthis.com. The less responsive or slowest element that took the longest time to load (4.2 sec) belongs to the original domain Grenergycn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.3 MB (16%)

Content Size

8.2 MB

After Optimization

6.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Grenergycn.com main page is 8.2 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. 20% of websites need less resources to load. Images take 8.0 MB which makes up the majority of the site volume.

HTML Optimization

-95%

Potential reduce by 103.3 kB

  • Original 108.2 kB
  • After minification 21.5 kB
  • After compression 4.9 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 86.8 kB, which is 80% 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 103.3 kB or 95% of the original size.

Image Optimization

-15%

Potential reduce by 1.2 MB

  • Original 8.0 MB
  • After minification 6.8 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, Grenergycn needs image optimization as it can save up to 1.2 MB or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-4%

Potential reduce by 4.3 kB

  • Original 103.1 kB
  • After minification 103.1 kB
  • After compression 98.8 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

-4%

Potential reduce by 2.5 kB

  • Original 56.6 kB
  • After minification 56.6 kB
  • After compression 54.1 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. Grenergycn.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 8 (27%)

Requests Now

30

After Optimization

22

  • Images
  • JavaScript
  • CSS

The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Grenergycn. 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 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

grenergycn.com

grenergycn.com

3632 ms

all.min.css

all.min.css

240 ms

bootstrap.min.css

bootstrap.min.css

664 ms

swiper.min.css

swiper.min.css

435 ms

style.css

style.css

452 ms

addthis_widget.js

addthis_widget.js

142 ms

instagram.png

instagram.png

435 ms

youtube.png

youtube.png

434 ms

linkedIn.png

linkedIn.png

455 ms

twitter.png

twitter.png

652 ms

facebook.png

facebook.png

650 ms

en.jpg

en.jpg

1086 ms

zh-cn.jpg

zh-cn.jpg

690 ms

d2b518423f5753490c02ff7bc81d2e50.png

d2b518423f5753490c02ff7bc81d2e50.png

691 ms

jquery.min.js

jquery.min.js

1096 ms

bootstrap.bundle.min.js

bootstrap.bundle.min.js

1105 ms

layer.js

layer.js

890 ms

swiper.min.js

swiper.min.js

1122 ms

main.js

main.js

884 ms

f006e7505cc4da47a4b6e13a25e690f2.png

f006e7505cc4da47a4b6e13a25e690f2.png

4174 ms

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922ff7d24615c6f3773e6ee3235fd72d.jpg

1542 ms

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89702abd06f0bb0244b386ca96924e81.jpg

2835 ms

900307d5bb7bfeb3d8b7e53bc1d5afc0.jpg

900307d5bb7bfeb3d8b7e53bc1d5afc0.jpg

3278 ms

12217f9263437ed732472880829f65a9.jpg

12217f9263437ed732472880829f65a9.jpg

3064 ms

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ba7671fcf274c717a466d2b495153a60.jpg

2643 ms

26de32bff378b93753ced4da3f33f247.jpg

26de32bff378b93753ced4da3f33f247.jpg

2409 ms

6b966437ae3e32e0f30d66c682010c57.jpg

6b966437ae3e32e0f30d66c682010c57.jpg

2686 ms

ac6ed7c5668f53bee5bf5552bde10adc.jpg

ac6ed7c5668f53bee5bf5552bde10adc.jpg

2939 ms

9f12de7750706b5fe41ac449efb521f5.png

9f12de7750706b5fe41ac449efb521f5.png

3473 ms

641209df527b11f3b6491c2372abd0d5.png

641209df527b11f3b6491c2372abd0d5.png

3738 ms

c6cc61d6954347eed4d2e9bf938c761f.png

c6cc61d6954347eed4d2e9bf938c761f.png

3346 ms

fa-solid-900.woff

fa-solid-900.woff

3155 ms

fa-regular-400.woff

fa-regular-400.woff

3256 ms

layer.css

layer.css

2974 ms

Accessibility Review

grenergycn.com accessibility score

87

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

Links do not have a discernible name

Best Practices

grenergycn.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

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

grenergycn.com SEO score

46

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

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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 Grenergycn.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 Grenergycn.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

grenergycn.com

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