Report Summary

  • 70

    Performance

    Renders faster than
    81% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

bstbatteries.com

China High Temperature Nickel Battery, UPS Battery, Solar Battery Manufacturers, Suppliers - BST Power

Page Load Speed

4.4 sec in total

First Response

402 ms

Resources Loaded

2.7 sec

Page Rendered

1.3 sec

bstbatteries.com screenshot

About Website

Visit bstbatteries.com now to see the best up-to-date BST Batteries content and also check out these interesting facts you probably never knew about bstbatteries.com

BST Power (Shenzhen) Limited: As one of the leading high temperature nickle battery, UPS battery, solar battery, telecom battery, emergency light battery manufacturers and suppliers in China, we warml...

Visit bstbatteries.com

Key Findings

We analyzed Bstbatteries.com page load time and found that the first response time was 402 ms and then it took 4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

bstbatteries.com performance score

70

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

53/100

10%

LCP (Largest Contentful Paint)

Value4.7 s

32/100

25%

SI (Speed Index)

Value4.2 s

78/100

10%

TBT (Total Blocking Time)

Value220 ms

88/100

30%

CLS (Cumulative Layout Shift)

Value0.004

100/100

15%

TTI (Time to Interactive)

Value4.9 s

78/100

10%

Network Requests Diagram

bstbatteries.com

402 ms

www.bstbatteries.com

602 ms

css2

42 ms

style.css

318 ms

swiper.css

310 ms

Our browser made a total of 58 requests to load all elements on the main page. We found that 40% of them (23 requests) were addressed to the original Bstbatteries.com, 26% (15 requests) were made to Css02.v15cdn.com and 17% (10 requests) were made to Img01.v15cdn.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Bstbatteries.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 30.9 kB (3%)

Content Size

1.2 MB

After Optimization

1.1 MB

In fact, the total size of Bstbatteries.com main page is 1.2 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. 45% of websites need less resources to load. Images take 990.1 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 27.0 kB

  • Original 34.6 kB
  • After minification 32.5 kB
  • After compression 7.6 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. 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 27.0 kB or 78% of the original size.

Image Optimization

-0%

Potential reduce by 2.1 kB

  • Original 990.1 kB
  • After minification 988.0 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. BST Batteries images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 1.5 kB

  • Original 110.5 kB
  • After minification 110.5 kB
  • After compression 109.0 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

-1%

Potential reduce by 291 B

  • Original 32.8 kB
  • After minification 32.8 kB
  • After compression 32.5 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. Bstbatteries.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 24 (45%)

Requests Now

53

After Optimization

29

The browser has sent 53 CSS, Javascripts, AJAX and image requests in order to completely render the main page of BST Batteries. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

bstbatteries.com accessibility score

100

Accessibility Issues

Best Practices

bstbatteries.com best practices score

75

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

bstbatteries.com SEO score

100

Search Engine Optimization Advices

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

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 Bstbatteries.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 Bstbatteries.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 BST Batteries. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: