Tools & Wizards About Us

Report Summary

  • 81

    Performance

    Renders faster than
    86% of other websites

  • 66

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 58

    SEO

    Google-friendlier than
    21% of websites

libattery.net

锂电中国_锂电网_锂电产业链价值门户

Page Load Speed

34.7 sec in total

First Response

1.4 sec

Resources Loaded

32.8 sec

Page Rendered

442 ms

About Website

Click here to check amazing Libattery content. Otherwise, check out these important facts you probably never knew about libattery.net

锂电中国是专注于锂离子电池、动力电池、储能电池领域的集行业资讯、产业研究、展览会议、专业网络及新媒体于一体的全方位锂电产业链与资本整合价值服务平台。提供锂电池行业和锂电相关市场资讯，锂电池企业动向，新产品，锂电池价格行情，储能与新能源汽车市场分析。

Visit libattery.net

Key Findings

We analyzed Libattery.net page load time and found that the first response time was 1.4 sec and then it took 33.3 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.

Performance Metrics

libattery.net performance score

81

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

81/100

10%

LCP (Largest Contentful Paint)

Value2.9 s

81/100

25%

SI (Speed Index)

Value8.7 s

16/100

10%

TBT (Total Blocking Time)

Value190 ms

91/100

30%

CLS (Cumulative Layout Shift)

Value0.038

100/100

15%

TTI (Time to Interactive)

Value4.1 s

86/100

10%

Network Requests Diagram

libattery.net

1375 ms

public.css

411 ms

index.css

415 ms

jquery-3.2.1.js

838 ms

095730_833916_minicolumn_230.jpg

1097 ms

Our browser made a total of 554 requests to load all elements on the main page. We found that all of those requests were addressed to Libattery.net and no external sources were called. The less responsive or slowest element that took the longest time to load (4.8 sec) belongs to the original domain Libattery.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 462.0 kB (7%)

Content Size

6.7 MB

After Optimization

6.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Libattery.net main page is 6.7 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. Only a small number of websites need less resources to load. Images take 6.5 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 122.8 kB

  • Original 157.3 kB
  • After minification 153.1 kB
  • After compression 34.5 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. 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 122.8 kB or 78% of the original size.

Image Optimization

-5%

Potential reduce by 338.7 kB

  • Original 6.5 MB
  • After minification 6.2 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. Libattery images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 12 B

  • Original 79.5 kB
  • After minification 79.5 kB
  • After compression 79.4 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

-9%

Potential reduce by 466 B

  • Original 5.2 kB
  • After minification 5.2 kB
  • After compression 4.8 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. Libattery.net has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 8 (1%)

Requests Now

553

After Optimization

545

  • Images
  • JavaScript
  • CSS

The browser has sent 553 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Libattery. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

libattery.net accessibility score

66

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

libattery.net best practices score

67

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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

libattery.net SEO score

58

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

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 Libattery.net 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 Libattery.net 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 Libattery. 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: