Report Summary

  • 74

    Performance

    Renders faster than
    83% of other websites

  • 58

    Accessibility

    Visual factors better than
    that of 25% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

haimingbattery.com

Dongguan Lewe Electronics Co.,Ltd: China Laptop Battery, Vacuums Battery, AC Adapter Manufacturers

Page Load Speed

2.2 sec in total

First Response

234 ms

Resources Loaded

1.7 sec

Page Rendered

246 ms

haimingbattery.com screenshot

About Website

Click here to check amazing Haiming Battery content. Otherwise, check out these important facts you probably never knew about haimingbattery.com

Dongguan Lewe Electronics Co.,Ltd: The leading lithium-ion battery pack system and solution supplier with core technology of BMS. After more than 16 years of development, we manufacture and do nearly ...

Visit haimingbattery.com

Key Findings

We analyzed Haimingbattery.com page load time and found that the first response time was 234 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

haimingbattery.com performance score

74

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

62/100

10%

LCP (Largest Contentful Paint)

Value3.4 s

68/100

25%

SI (Speed Index)

Value3.4 s

89/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.513

15/100

15%

TTI (Time to Interactive)

Value2.7 s

97/100

10%

Network Requests Diagram

haimingbattery.com

234 ms

www.haimingbattery.com

381 ms

style.css

117 ms

jquery.js

273 ms

sitecommon.js

282 ms

Our browser made a total of 34 requests to load all elements on the main page. We found that 71% of them (24 requests) were addressed to the original Haimingbattery.com, 15% (5 requests) were made to Js01.v15cdn.com and 9% (3 requests) were made to Css02.v15cdn.com. The less responsive or slowest element that took the longest time to load (801 ms) belongs to the original domain Haimingbattery.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 21.1 kB (3%)

Content Size

627.3 kB

After Optimization

606.2 kB

In fact, the total size of Haimingbattery.com main page is 627.3 kB. 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 564.4 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 15.6 kB

  • Original 20.2 kB
  • After minification 19.8 kB
  • After compression 4.7 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 15.6 kB or 77% of the original size.

Image Optimization

-1%

Potential reduce by 4.0 kB

  • Original 564.4 kB
  • After minification 560.5 kB

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. Haiming Battery images are well optimized though.

JavaScript Optimization

-4%

Potential reduce by 1.5 kB

  • Original 36.1 kB
  • After minification 36.1 kB
  • After compression 34.6 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

-1%

Potential reduce by 97 B

  • Original 6.5 kB
  • After minification 6.5 kB
  • After compression 6.4 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. Haimingbattery.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 6 (19%)

Requests Now

32

After Optimization

26

The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Haiming Battery. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

haimingbattery.com accessibility score

58

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.

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

Form elements do not have associated labels

High

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

haimingbattery.com best practices score

58

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

haimingbattery.com SEO score

84

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Haimingbattery.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Haimingbattery.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 data is detected on the main page of Haiming Battery. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: