Tools & Wizards About Us
bak-tech.com screenshot

Report Summary

  • 42

    Performance

    Renders faster than
    61% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 46% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

bak-tech.com

storage battery, lithium battery, LiFePO4 battery Manufacturer & Supplier - Shenzhen BAK Technology Co., Ltd

Page Load Speed

3.5 sec in total

First Response

249 ms

Resources Loaded

2.4 sec

Page Rendered

922 ms

bak-tech.com screenshot

About Website

Click here to check amazing BAK Tech content. Otherwise, check out these important facts you probably never knew about bak-tech.com

Shenzhen BAK Technology Co., Ltd is China manufacturer & supplier who mainly produces storage battery, lithium battery, LiFePO4 battery with years of experience. Hope to build business relationship wi...

Visit bak-tech.com

Key Findings

We analyzed Bak-tech.com page load time and found that the first response time was 249 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

bak-tech.com performance score

42

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

56/100

10%

LCP (Largest Contentful Paint)

Value5.4 s

21/100

25%

SI (Speed Index)

Value5.5 s

55/100

10%

TBT (Total Blocking Time)

Value940 ms

30/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value11.3 s

19/100

10%

Network Requests Diagram

www.bak-tech.com

249 ms

style.css

157 ms

button.css

140 ms

style.css

119 ms

rkklKBjkmqRlkSlkrjRliSjolpioRliSilmkprRjjSjrrlrjiiinnoRpiSrqqoiqiprprrSRil.css

172 ms

Our browser made a total of 55 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Bak-tech.com, 60% (33 requests) were made to Ikrorwxhkkjllr5q-static.micyjz.com and 24% (13 requests) were made to Embed.tawk.to. The less responsive or slowest element that took the longest time to load (1.2 sec) relates to the external source Ikrorwxhkkjllr5q-static.micyjz.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 479.2 kB (10%)

Content Size

4.7 MB

After Optimization

4.2 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Bak-tech.com main page is 4.7 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. 50% of websites need less resources to load. Images take 4.3 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 163.8 kB

  • Original 194.8 kB
  • After minification 194.8 kB
  • After compression 31.0 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 163.8 kB or 84% of the original size.

Image Optimization

-7%

Potential reduce by 292.0 kB

  • Original 4.3 MB
  • After minification 4.0 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. BAK Tech images are well optimized though.

JavaScript Optimization

-14%

Potential reduce by 23.5 kB

  • Original 173.0 kB
  • After minification 173.0 kB
  • After compression 149.5 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 23.5 kB or 14% of the original size.

Requests Breakdown

Number of requests can be reduced by 18 (35%)

Requests Now

51

After Optimization

33

  • Images
  • JavaScript
  • CSS

The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of BAK Tech. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.bak-tech.com

www.bak-tech.com

249 ms

style.css

style.css

157 ms

button.css

button.css

140 ms

style.css

style.css

119 ms

rkklKBjkmqRlkSlkrjRliSjolpioRliSilmkprRjjSjrrlrjiiinnoRpiSrqqoiqiprprrSRil.css

rkklKBjkmqRlkSlkrjRliSjolpioRliSilmkprRjjSjrrlrjiiinnoRpiSrqqoiqiprprrSRil.css

172 ms

js

js

82 ms

css

css

32 ms

speedLazyLoad4.min.js

speedLazyLoad4.min.js

150 ms

Banner.jpg

Banner.jpg

189 ms

logo1.jpg

logo1.jpg

124 ms

jiantou.png

jiantou.png

205 ms

Banner.jpg

Banner.jpg

221 ms

Banner2.jpg

Banner2.jpg

270 ms

banner.jpg

banner.jpg

322 ms

banner2.jpg

banner2.jpg

305 ms

9290de87-d4f8-4555-956d-f8967552eec2.jpg

9290de87-d4f8-4555-956d-f8967552eec2.jpg

351 ms

943eb484-f73a-422a-a4e0-e50838da439c.jpg

943eb484-f73a-422a-a4e0-e50838da439c.jpg

385 ms

ab02.png

ab02.png

628 ms

tupian1-640-640.jpg

tupian1-640-640.jpg

408 ms

tupian1-640-640.jpg

tupian1-640-640.jpg

592 ms

tupian1-640-640.jpg

tupian1-640-640.jpg

602 ms

tupian1-640-640.jpg

tupian1-640-640.jpg

665 ms

tupian1-640-640.jpg

tupian1-640-640.jpg

588 ms

tupian2-640-640.jpeg

tupian2-640-640.jpeg

605 ms

tupian1-640-640.jpeg

tupian1-640-640.jpeg

789 ms

tupian1-640-640.jpeg

tupian1-640-640.jpeg

773 ms

bg01.jpg

bg01.jpg

791 ms

drones.jpg

drones.jpg

768 ms

2-640-640.png

2-640-640.png

817 ms

3-640-640.png

3-640-640.png

907 ms

4-640-640.png

4-640-640.png

1019 ms

bg.jpg

bg.jpg

1020 ms

logofuben.png

logofuben.png

950 ms

LiFePO4-batteries-480-396.png

LiFePO4-batteries-480-396.png

1050 ms

LiFePO4-batteries-480-396.png

LiFePO4-batteries-480-396.png

1017 ms

LiFePO4-batteries-480-396.png

LiFePO4-batteries-480-396.png

1164 ms

logo2.png

logo2.png

1122 ms

article_no_pic-480-396.jpg

article_no_pic-480-396.jpg

479 ms

iconfont.woff

iconfont.woff

1034 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

1188 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

109 ms

footer-bg.jpg

footer-bg.jpg

1184 ms

1feit7b6t

1feit7b6t

59 ms

twk-arr-find-polyfill.js

twk-arr-find-polyfill.js

185 ms

twk-object-values-polyfill.js

twk-object-values-polyfill.js

22 ms

twk-event-polyfill.js

twk-event-polyfill.js

219 ms

twk-entries-polyfill.js

twk-entries-polyfill.js

175 ms

twk-iterator-polyfill.js

twk-iterator-polyfill.js

132 ms

twk-promise-polyfill.js

twk-promise-polyfill.js

69 ms

twk-main.js

twk-main.js

32 ms

twk-vendor.js

twk-vendor.js

47 ms

twk-chunk-vendors.js

twk-chunk-vendors.js

63 ms

twk-chunk-common.js

twk-chunk-common.js

81 ms

twk-runtime.js

twk-runtime.js

73 ms

twk-app.js

twk-app.js

130 ms

Accessibility Review

bak-tech.com accessibility score

78

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-*] attributes do not match their roles

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

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

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

bak-tech.com 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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

bak-tech.com SEO score

86

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

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

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 Bak-tech.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 Bak-tech.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

bak-tech.com

Open Graph description is not detected on the main page of BAK Tech. 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: