Access ledinside.cn. LEDinside|LED在线-LED资讯、LED市场调研报告、LED价格行情

name

value

score

weighting

FCP (First Contentful Paint)

Value18.8 s

0/100

10%

LCP (Largest Contentful Paint)

Value22.4 s

0/100

25%

SI (Speed Index)

Value29.2 s

0/100

10%

TBT (Total Blocking Time)

Value70 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value21.7 s

1/100

10%

ledinside.cn

516 ms

www.ledinside.cn

448 ms

www.ledinside.cn

2183 ms

style.css

216 ms

jquery.js

651 ms

Our browser made a total of 114 requests to load all elements on the main page. We found that 30% of them (34 requests) were addressed to the original Ledinside.cn, 34% (39 requests) were made to Img.ledinside.cn and 20% (23 requests) were made to Pos.baidu.com. The less responsive or slowest element that took the longest time to load (2.5 sec) relates to the external source Wn.pos.baidu.com.

Content Size

1.4 MB

After Optimization

1.3 MB

In fact, the total size of Ledinside.cn main page is 1.4 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. Images take 1.0 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 90.1 kB

Original 104.7 kB
After minification 85.4 kB
After compression 14.6 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. This page needs HTML code to be minified as it can gain 19.3 kB, which is 18% 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 90.1 kB or 86% of the original size.

Image Optimization

-3%

Potential reduce by 31.1 kB

Original 1.0 MB
After minification 1.0 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. LEDinside images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 6.2 kB

Original 245.2 kB
After minification 245.2 kB
After compression 239.0 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

-27%

Potential reduce by 6.1 kB

Original 22.9 kB
After minification 22.9 kB
After compression 16.7 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. Ledinside.cn needs all CSS files to be minified and compressed as it can save up to 6.1 kB or 27% of the original size.

Requests Now

111

After Optimization

The browser has sent 111 CSS, Javascripts, AJAX and image requests in order to completely render the main page of LEDinside. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 36 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

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.

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

High

Issues were logged in the Issues panel in Chrome Devtools

Search Engine Optimization Advices

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

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/).

High

Document uses legible font sizes

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 Ledinside.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 Ledinside.cn 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

ledinside.cn

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

Report Summary

Performance

Accessibility

Best Practices

SEO

LEDinside|LED在线-LED资讯、LED市场调研报告、LED价格行情

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

ledinside.cn

www.ledinside.cn

www.ledinside.cn

style.css

jquery.js

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

ledinside.cn

www.ledinside.cn

www.ledinside.cn

style.css

jquery.js

common.js

flexslider.js

jquery.showArea.js

jquery.scrollbox.js

js

adsbygoogle.js

ds.js

jweixin-1.0.0.js

baidu_push.js

show_ads_impl.js

push.js

hm.js

header_bg.jpg

1698991614_81137.png

arrow_rss.gif

LOGO2.gif

search.gif

LED_blog_wechatLogo.png

mobile-icon-white.png

qrcode-wechat.jpg

qrcode-channelsWeixin.jpg

qrcode-miniPrograms-V2.jpg

unnamed.png

LEDinside_Wechat_QR_2020.png

1696673310_54762.png

1676341131_40451.png

1714974110_58265.png

1712451855_33574.jpg

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1714456693_84257.jpg

1713773387_59610.png

1689561412_80159.jpg

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1711954715_75540.gif