Tools & Wizards About Us
vipow.com screenshot

Report Summary

  • 78

    Performance

    Renders faster than
    85% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

vipow.com

VIPOW Batteries-LiFePO4, Lithium ion NCM, NiMH/NiCd Manufacturer

Page Load Speed

2.7 sec in total

First Response

397 ms

Resources Loaded

2.3 sec

Page Rendered

62 ms

vipow.com screenshot

About Website

Welcome to vipow.com homepage info - get ready to check VIPOW best content right away, or after learning these important things about vipow.com

Guangzhou Jieli (VIPOW) New Energy Co., Ltd is a china supplier/manufacturer for many years. with our LiFePO4 Batteries, NCM Batteries, NICD Batteries, NIMH Batteries, With more product details, pls i...

Visit vipow.com

Key Findings

We analyzed Vipow.com page load time and found that the first response time was 397 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

vipow.com performance score

78

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

54/100

10%

LCP (Largest Contentful Paint)

Value4.0 s

50/100

25%

SI (Speed Index)

Value5.6 s

52/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.9 s

96/100

10%

Network Requests Diagram

www.vipow.com

397 ms

index.css

451 ms

index.css

519 ms

vant.css

459 ms

4961539116750780_v2_en.css

417 ms

Our browser made a total of 51 requests to load all elements on the main page. We found that 4% of them (2 requests) were addressed to the original Vipow.com, 80% (41 requests) were made to Asset.joinf.com and 10% (5 requests) were made to Yunpan.cdn.site.joinf.com. The less responsive or slowest element that took the longest time to load (1.2 sec) relates to the external source Asset.joinf.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 56.6 kB (11%)

Content Size

500.3 kB

After Optimization

443.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Vipow.com main page is 500.3 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. 55% of websites need less resources to load. Javascripts take 365.8 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 55.5 kB

  • Original 67.1 kB
  • After minification 66.2 kB
  • After compression 11.5 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 55.5 kB or 83% of the original size.

Image Optimization

-1%

Potential reduce by 5 B

  • Original 359 B
  • After minification 354 B

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. VIPOW images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 413 B

  • Original 365.8 kB
  • After minification 365.8 kB
  • After compression 365.4 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 597 B

  • Original 67.1 kB
  • After minification 67.1 kB
  • After compression 66.5 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. Vipow.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 40 (83%)

Requests Now

48

After Optimization

8

  • Images
  • JavaScript
  • CSS

The browser has sent 48 CSS, Javascripts, AJAX and image requests in order to completely render the main page of VIPOW. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and from 19 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.vipow.com

www.vipow.com

397 ms

index.css

index.css

451 ms

index.css

index.css

519 ms

vant.css

vant.css

459 ms

4961539116750780_v2_en.css

4961539116750780_v2_en.css

417 ms

header_footer_en.css

header_footer_en.css

426 ms

index.css

index.css

900 ms

d5379b2b.sid0.faf986cb3e57c9e33b79.css

d5379b2b.sid0.faf986cb3e57c9e33b79.css

510 ms

979056ec.sid776.c74b95f41e17897bd8c4.css

979056ec.sid776.c74b95f41e17897bd8c4.css

459 ms

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01e7b97c.sid768.8256a41b43d34c31ff64.css

698 ms

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c98f95f3.sid769.5320e5aaef555a50473a.css

717 ms

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525 ms

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575 ms

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578 ms

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a42b3a32.sid51.2f1db86d86784e2c25ab.css

636 ms

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647 ms

f067d1db.sid397.aa0a2cb6c6c5b6982eec.css

f067d1db.sid397.aa0a2cb6c6c5b6982eec.css

649 ms

a1022eb6.sid68.5217287c763cc3b93b63.css

a1022eb6.sid68.5217287c763cc3b93b63.css

827 ms

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712 ms

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659.sid659.1fc20ae230f49ce57faa.css

710 ms

1f3b187bc6dc9eb3b947675cd3002ad1.png

1f3b187bc6dc9eb3b947675cd3002ad1.png

346 ms

9556c765a17e65cc933650caac8e17bc-en.js

9556c765a17e65cc933650caac8e17bc-en.js

778 ms

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app.5864070c92226eab34ce.js

755 ms

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01e7b97c.cid774.76b27c5c1fefb370cde5.js

985 ms

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f075b844.cid36.3ead0a1dd3f1a0087bf8.js

773 ms

1b8d1313.cid67.f97647bfe189f026b141.js

1b8d1313.cid67.f97647bfe189f026b141.js

986 ms

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a42b3a32.cid51.0fb05fe1655fa18b7586.js

987 ms

chunk74.cid74.d49fcf05f711d5b920c3.js

chunk74.cid74.d49fcf05f711d5b920c3.js

836 ms

f067d1db.cid397.b574f916a328c1b9b153.js

f067d1db.cid397.b574f916a328c1b9b153.js

1009 ms

chunk460.cid460.95db479bcb3a7110a4fb.js

chunk460.cid460.95db479bcb3a7110a4fb.js

986 ms

a1022eb6.cid68.35df887eba73a84d0ac8.js

a1022eb6.cid68.35df887eba73a84d0ac8.js

988 ms

chunk463.cid463.062ab20b91fe77ed4210.js

chunk463.cid463.062ab20b91fe77ed4210.js

988 ms

df4353f1.cid49.39a5b82889ce654640cf.js

df4353f1.cid49.39a5b82889ce654640cf.js

1152 ms

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chunk659.cid659.8a83c785a16edf33f986.js

988 ms

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1013 ms

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1215 ms

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1166 ms

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1041 ms

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1201 ms

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1204 ms

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1227 ms

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495 ms

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371 ms

meHW2sQKBf.png

meHW2sQKBf.png

530 ms

index.php

index.php

100 ms

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a1943931.cid777.31515dc9f31959f43b27.js

902 ms

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908 ms

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814 ms

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72 ms

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282 ms

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485 ms

Accessibility Review

vipow.com accessibility score

72

Accessibility Issues

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

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

vipow.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

SEO Factors

vipow.com SEO score

86

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

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 Vipow.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 Vipow.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

vipow.com

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