Tools & Wizards About Us
lemi.com.cn screenshot

Report Summary

  • 77

    Performance

    Renders faster than
    85% of other websites

  • 55

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

lemi.com.cn

深圳市雷铭科技发展有限公司_太阳能户用系统,太阳能能源系统,太阳能微网电站,太阳能应用产品,消费类产品

Page Load Speed

13.9 sec in total

First Response

3.8 sec

Resources Loaded

9.2 sec

Page Rendered

924 ms

lemi.com.cn screenshot

About Website

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

深圳市雷铭科技发展有限公司_雷铭科技是一家为全世界人民提供可再生能源产品和服务的公司，同时也是电源系统生产商、太阳能方案提供商和EPC专家 自2004年开始，雷铭就投身于太阳能行业，我们关注生活在无电地区的人民，致力于为客户提供高质量的产品与服务！

Visit lemi.com.cn

Key Findings

We analyzed Lemi.com.cn page load time and found that the first response time was 3.8 sec and then it took 10.1 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

lemi.com.cn performance score

77

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

44/100

10%

LCP (Largest Contentful Paint)

Value3.3 s

69/100

25%

SI (Speed Index)

Value11.9 s

4/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.2 s

95/100

10%

Network Requests Diagram

lemi.com.cn

3780 ms

www.lemi.com.cn

1228 ms

www.lemi.com.cn

457 ms

ceccbootstrap.min.css,global.css

146 ms

site.css

80 ms

Our browser made a total of 38 requests to load all elements on the main page. We found that 53% of them (20 requests) were addressed to the original Lemi.com.cn, 39% (15 requests) were made to Omo-oss-image.thefastimg.com and 3% (1 request) were made to 2206225099.p.make.dcloud.portal1.portal.thefastmake.com. The less responsive or slowest element that took the longest time to load (3.8 sec) belongs to the original domain Lemi.com.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 619.1 kB (17%)

Content Size

3.7 MB

After Optimization

3.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Lemi.com.cn main page is 3.7 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. 25% of websites need less resources to load. Images take 3.4 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 69.7 kB

  • Original 83.0 kB
  • After minification 69.5 kB
  • After compression 13.3 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 13.4 kB, which is 16% 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 69.7 kB or 84% of the original size.

Image Optimization

-15%

Potential reduce by 520.7 kB

  • Original 3.4 MB
  • After minification 2.9 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, Lemi needs image optimization as it can save up to 520.7 kB 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

-8%

Potential reduce by 17.2 kB

  • Original 210.2 kB
  • After minification 210.2 kB
  • After compression 193.0 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

-26%

Potential reduce by 11.6 kB

  • Original 44.8 kB
  • After minification 38.6 kB
  • After compression 33.2 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. Lemi.com.cn needs all CSS files to be minified and compressed as it can save up to 11.6 kB or 26% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (37%)

Requests Now

35

After Optimization

22

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lemi. 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 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

lemi.com.cn

lemi.com.cn

3780 ms

www.lemi.com.cn

www.lemi.com.cn

1228 ms

www.lemi.com.cn

www.lemi.com.cn

457 ms

ceccbootstrap.min.css,global.css

ceccbootstrap.min.css,global.css

146 ms

site.css

site.css

80 ms

Home_de733f39ff4f58a6b0a8886a18add188.min.css

Home_de733f39ff4f58a6b0a8886a18add188.min.css

230 ms

ceccjquery.min.js,require.min.js,lib.min.js,page.min.js

ceccjquery.min.js,require.min.js,lib.min.js,page.min.js

212 ms

common.min.js

common.min.js

227 ms

b29ab50c4df149fca1c395b990db2ec6.css

b29ab50c4df149fca1c395b990db2ec6.css

1125 ms

2d564f4fa4054bc5955fc4d0c82ea91c.js

2d564f4fa4054bc5955fc4d0c82ea91c.js

305 ms

495b2b6a02b64970a5b27b750cc02524.js

495b2b6a02b64970a5b27b750cc02524.js

284 ms

6ef05891e92a45deac6d33b112c743f7.css

6ef05891e92a45deac6d33b112c743f7.css

431 ms

34b3fc71-5f3c-4572-9dc8-4082b06714ef.png

34b3fc71-5f3c-4572-9dc8-4082b06714ef.png

534 ms

5021757a-df9a-4afd-9437-5057f8e2eaa4.png

5021757a-df9a-4afd-9437-5057f8e2eaa4.png

800 ms

fe8f727e-6048-4bda-a6d2-ffe33cd730b7.jpg

fe8f727e-6048-4bda-a6d2-ffe33cd730b7.jpg

1244 ms

s.png

s.png

224 ms

b159e87d-09f6-4c0a-909d-ea0b3f83c632.png

b159e87d-09f6-4c0a-909d-ea0b3f83c632.png

2334 ms

5caab759-ee2e-4c3f-a5ca-59247848178b.jpg

5caab759-ee2e-4c3f-a5ca-59247848178b.jpg

1046 ms

5c905bea-4f7d-4358-9a0b-bc2de7f4b97c.jpg

5c905bea-4f7d-4358-9a0b-bc2de7f4b97c.jpg

1376 ms

bfb8ded3-d5ae-498b-bb19-b30a2f344201.jpg

bfb8ded3-d5ae-498b-bb19-b30a2f344201.jpg

1817 ms

29402a5d-9cbd-49b6-b9dc-1398c4ee96b9.jpg

29402a5d-9cbd-49b6-b9dc-1398c4ee96b9.jpg

1314 ms

4052a82c-b844-4ada-bacc-fed0c4857760.png

4052a82c-b844-4ada-bacc-fed0c4857760.png

1298 ms

7930ce8f-bf32-4ff8-8ffe-49412d721ead.png

7930ce8f-bf32-4ff8-8ffe-49412d721ead.png

1725 ms

accf89c9-0f05-4d47-82c0-a29f2e1ab2d8.png

accf89c9-0f05-4d47-82c0-a29f2e1ab2d8.png

1553 ms

81e103be-a99b-4951-84cd-6a2c88b60b1a.png

81e103be-a99b-4951-84cd-6a2c88b60b1a.png

1792 ms

a86d531d-ed8a-4e10-9435-5bfcbed4e053.png

a86d531d-ed8a-4e10-9435-5bfcbed4e053.png

2772 ms

3ca8e08f-ebd8-4e4b-9fc9-52af4a7000dd.png

3ca8e08f-ebd8-4e4b-9fc9-52af4a7000dd.png

1803 ms

b4a4c8ee-844a-47c2-aa0a-6b19afeec338.png

b4a4c8ee-844a-47c2-aa0a-6b19afeec338.png

1987 ms

a65a7cdc-e596-4418-a415-c5463917af2a.jpg

a65a7cdc-e596-4418-a415-c5463917af2a.jpg

921 ms

swiper.min.js

swiper.min.js

162 ms

scripts

scripts

269 ms

sale

sale

231 ms

cmsAjax.min.js

cmsAjax.min.js

71 ms

md.min.js

md.min.js

235 ms

pl_util.min.js

pl_util.min.js

148 ms

languages

languages

245 ms

index.js

index.js

1436 ms

sensorsdataNew.js

sensorsdataNew.js

446 ms

Accessibility Review

lemi.com.cn accessibility score

55

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.

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

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

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

lemi.com.cn 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

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

lemi.com.cn SEO score

100

Search Engine Optimization Advices

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

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Lemi.com.cn 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 Lemi.com.cn main page’s claimed encoding is . 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

lemi.com.cn

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