Tools & Wizards About Us
bestlifepo4battery.com screenshot

Report Summary

  • 73

    Performance

    Renders faster than
    82% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 47% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

bestlifepo4battery.com

China , supplier - Shenzhen Polinovel Tech Co., Ltd

Page Load Speed

4.2 sec in total

First Response

718 ms

Resources Loaded

2.3 sec

Page Rendered

1.2 sec

bestlifepo4battery.com screenshot

About Website

Visit bestlifepo4battery.com now to see the best up-to-date Bestlifepo 4 Battery content and also check out these interesting facts you probably never knew about bestlifepo4battery.com

Shenzhen Polinovel Tech Co., Ltd is a china supplier/manufacturer for many years. with our LiFePO4 Lithium-Ion Battery, Others & Accessories, Lithium Battery Cell, RV Marine Boat Battery, With more pr...

Visit bestlifepo4battery.com

Key Findings

We analyzed Bestlifepo4battery.com page load time and found that the first response time was 718 ms and then it took 3.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

bestlifepo4battery.com performance score

73

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

55/100

10%

LCP (Largest Contentful Paint)

Value2.9 s

80/100

25%

SI (Speed Index)

Value7.5 s

27/100

10%

TBT (Total Blocking Time)

Value160 ms

93/100

30%

CLS (Cumulative Layout Shift)

Value0.198

62/100

15%

TTI (Time to Interactive)

Value5.3 s

72/100

10%

Network Requests Diagram

bestlifepo4battery.com

718 ms

bootstrap.min.css

365 ms

font-awesome.min.css

372 ms

common.min.css

375 ms

style-index.min.css

378 ms

Our browser made a total of 74 requests to load all elements on the main page. We found that 20% of them (15 requests) were addressed to the original Bestlifepo4battery.com, 65% (48 requests) were made to Asset.site.joinf.com and 8% (6 requests) were made to Site-1306369054.file.myqcloud.com. The less responsive or slowest element that took the longest time to load (1.2 sec) relates to the external source Site-1306369054.file.myqcloud.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 302.6 kB (41%)

Content Size

732.3 kB

After Optimization

429.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Bestlifepo4battery.com main page is 732.3 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. 60% of websites need less resources to load. HTML takes 354.9 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 273.1 kB

  • Original 354.9 kB
  • After minification 304.6 kB
  • After compression 81.8 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 50.3 kB, which is 14% 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 273.1 kB or 77% of the original size.

Image Optimization

-26%

Potential reduce by 9.3 kB

  • Original 36.3 kB
  • After minification 27.0 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. Obviously, Bestlifepo 4 Battery needs image optimization as it can save up to 9.3 kB or 26% 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 19.2 kB

  • Original 241.8 kB
  • After minification 241.3 kB
  • After compression 222.6 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 984 B

  • Original 99.4 kB
  • After minification 99.4 kB
  • After compression 98.4 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. Bestlifepo4battery.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 45 (65%)

Requests Now

69

After Optimization

24

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 69 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bestlifepo 4 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 28 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

bestlifepo4battery.com

bestlifepo4battery.com

718 ms

bootstrap.min.css

bootstrap.min.css

365 ms

font-awesome.min.css

font-awesome.min.css

372 ms

common.min.css

common.min.css

375 ms

style-index.min.css

style-index.min.css

378 ms

sweetalert.min.css

sweetalert.min.css

376 ms

font-awesome.min.css

font-awesome.min.css

396 ms

swiper.min.css

swiper.min.css

394 ms

base.min.css

base.min.css

397 ms

top_nav.css

top_nav.css

397 ms

index.css

index.css

398 ms

jquery-2.1.1.min.js

jquery-2.1.1.min.js

403 ms

emailCopy.css

emailCopy.css

415 ms

emailCopy.js

emailCopy.js

414 ms

logistics.css

logistics.css

413 ms

jquery.validate.min.js

jquery.validate.min.js

278 ms

upload.js

upload.js

278 ms

sendMessage.js

sendMessage.js

281 ms

sweetalert.min.js

sweetalert.min.js

277 ms

sendMessage.js

sendMessage.js

280 ms

swiper.min.js

swiper.min.js

278 ms

productShow.js

productShow.js

278 ms

bootstrap-3.3.7.min.js

bootstrap-3.3.7.min.js

278 ms

bootsnav.js

bootsnav.js

278 ms

jquery.mmenu.js

jquery.mmenu.js

280 ms

jquery.validate.min.js

jquery.validate.min.js

279 ms

template.js

template.js

279 ms

intersection-observer.js

intersection-observer.js

279 ms

lazyload.min.js

lazyload.min.js

280 ms

select2.min.js

select2.min.js

281 ms

bootstrap-input-spinner.js

bootstrap-input-spinner.js

280 ms

site-common.js

site-common.js

281 ms

online.js

online.js

281 ms

inquiry.js

inquiry.js

280 ms

exitdialog.js

exitdialog.js

279 ms

emailClick.js

emailClick.js

281 ms

onload.js

onload.js

280 ms

home_product.js

home_product.js

59 ms

navResize.js

navResize.js

56 ms

index.php

index.php

272 ms

9c27327d582ffe0e9deb6de645471797.png

9c27327d582ffe0e9deb6de645471797.png

1201 ms

lazy-bg.png

lazy-bg.png

256 ms

index.php

index.php

271 ms

product_list.png

product_list.png

257 ms

index.php

index.php

271 ms

loading.png

loading.png

270 ms

icon_search.png

icon_search.png

19 ms

location.png

location.png

21 ms

clearInput.png

clearInput.png

20 ms

9c27327d582ffe0e9deb6de645471797.png

9c27327d582ffe0e9deb6de645471797.png

1208 ms

piwik.js

piwik.js

400 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

11 ms

address.png

address.png

5 ms

phone.png

phone.png

41 ms

email.png

email.png

41 ms

glyphicons-halflings-regular.woff

glyphicons-halflings-regular.woff

42 ms

iconfont.js

iconfont.js

203 ms

skypeCheck.js

skypeCheck.js

143 ms

index.php

index.php

225 ms

index.php

index.php

285 ms

index.php

index.php

195 ms

arrow-down.png

arrow-down.png

31 ms

index.php

index.php

247 ms

cmsfloatqrcodepanel-hd-bg.gif

cmsfloatqrcodepanel-hd-bg.gif

16 ms

bestlifepo4battery.com

bestlifepo4battery.com

442 ms

sBydrAQweB.jpg

sBydrAQweB.jpg

855 ms

K6GYWzGXwX.jpg

K6GYWzGXwX.jpg

853 ms

YHndAfyEYw.jpg

YHndAfyEYw.jpg

856 ms

hnnwZKh6YS.jpg

hnnwZKh6YS.jpg

855 ms

piwik.js

piwik.js

380 ms

message-icon.svg

message-icon.svg

81 ms

index.php

index.php

174 ms

piwik.php

piwik.php

79 ms

piwik.php

piwik.php

422 ms

Accessibility Review

bestlifepo4battery.com accessibility score

79

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

[id] attributes on active, focusable elements are not unique

High

Heading elements are not in a sequentially-descending order

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

Form elements do not have associated labels

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

bestlifepo4battery.com best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

bestlifepo4battery.com SEO score

77

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

High

robots.txt is not valid

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 Bestlifepo4battery.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 Bestlifepo4battery.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

bestlifepo4battery.com

Open Graph data is detected on the main page of Bestlifepo 4 Battery. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: