Tools & Wizards About Us
bigbattery.com screenshot

Report Summary

  • 30

    Performance

    Renders faster than
    50% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

bigbattery.com

Lithium Battery Packs | BigBattery | Your Source for Power

Page Load Speed

4.7 sec in total

First Response

134 ms

Resources Loaded

2.6 sec

Page Rendered

2 sec

bigbattery.com screenshot

About Website

Visit bigbattery.com now to see the best up-to-date Big Battery content for United States and also check out these interesting facts you probably never knew about bigbattery.com

Big Battery offers the best Lithium-Ion powered batteries at the best cost and are applicable to solar, RV, golf carts, industrial machinery, and more!

Visit bigbattery.com

Key Findings

We analyzed Bigbattery.com page load time and found that the first response time was 134 ms and then it took 4.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

bigbattery.com performance score

30

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

19/100

10%

LCP (Largest Contentful Paint)

Value4.5 s

38/100

25%

SI (Speed Index)

Value7.0 s

33/100

10%

TBT (Total Blocking Time)

Value3,600 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.031

100/100

15%

TTI (Time to Interactive)

Value22.9 s

1/100

10%

Network Requests Diagram

bigbattery.com

134 ms

gtm.js

108 ms

style.css

88 ms

bootstrap.css

86 ms

livechat-icons.css

84 ms

Our browser made a total of 217 requests to load all elements on the main page. We found that 85% of them (184 requests) were addressed to the original Bigbattery.com, 3% (7 requests) were made to I.ytimg.com and 3% (6 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (621 ms) relates to the external source A.usbrowserspeed.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 483.7 kB (7%)

Content Size

6.8 MB

After Optimization

6.3 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Bigbattery.com main page is 6.8 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 5.2 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 430.6 kB

  • Original 498.9 kB
  • After minification 483.7 kB
  • After compression 68.3 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. 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 430.6 kB or 86% of the original size.

Image Optimization

-1%

Potential reduce by 50.4 kB

  • Original 5.2 MB
  • After minification 5.2 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. Big Battery images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 2.8 kB

  • Original 1.1 MB
  • After minification 1.1 MB
  • After compression 1.1 MB

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.

Requests Breakdown

Number of requests can be reduced by 136 (66%)

Requests Now

205

After Optimization

69

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 205 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Big 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 79 to 1 for JavaScripts and from 59 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

bigbattery.com

bigbattery.com

134 ms

gtm.js

gtm.js

108 ms

style.css

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88 ms

bootstrap.css

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86 ms

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84 ms

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128 ms

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90 ms

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47 ms

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43 ms

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162 ms

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185 ms

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34 ms

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149 ms

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304 ms

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printThis.min.js

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273 ms

bat.js

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122 ms

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185 ms

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184 ms

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184 ms

jquery.fancybox.min.js

jquery.fancybox.min.js

183 ms

isotope.pkgd.min.js

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vpixel.js

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core.min.js

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179 ms

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149 ms

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146 ms

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Accessibility Review

bigbattery.com accessibility score

89

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

ARIA progressbar elements do not have accessible names.

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

bigbattery.com best practices score

83

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

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

bigbattery.com SEO score

90

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

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 Bigbattery.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 Bigbattery.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

bigbattery.com

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