Access volcano-electrical.com. China Vacuum Circuit Breaker, Indoor Load Break Switch Manufacturers, Factory

Report Summary

About Website

Welcome to volcano-electrical.com homepage info - get ready to check VOLCANO Electrical best content right away, or after learning these important things about volcano-electrical.com

Zhejiang Volcano Electrical Technology Co.,Ltd: Professional in producing 10-40.5kV vacuum circuit breakers, auto recolsers, load break switch, disconnector and lighting arrester. ISO improved factory...

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name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

49/100

10%

LCP (Largest Contentful Paint)

Value5.1 s

25/100

25%

SI (Speed Index)

Value4.1 s

79/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.23

54/100

15%

TTI (Time to Interactive)

Value3.2 s

94/100

10%

volcano-electrical.com

442 ms

www.volcano-electrical.com

593 ms

swiper.min.css

354 ms

bootstrap-3.3.6.min.css

875 ms

style.css

380 ms

Our browser made a total of 44 requests to load all elements on the main page. We found that 52% of them (23 requests) were addressed to the original Volcano-electrical.com, 20% (9 requests) were made to Css02.v15cdn.com and 16% (7 requests) were made to Js01.v15cdn.com. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Volcano-electrical.com.

Content Size

2.3 MB

After Optimization

2.2 MB

In fact, the total size of Volcano-electrical.com main page is 2.3 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. 55% of websites need less resources to load. Images take 2.1 MB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 20.9 kB

Original 27.0 kB
After minification 26.3 kB
After compression 6.1 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 20.9 kB or 77% of the original size.

Image Optimization

-4%

Potential reduce by 79.4 kB

Original 2.1 MB
After minification 2.0 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. VOLCANO Electrical images are well optimized though.

JavaScript Optimization

-4%

Potential reduce by 3.2 kB

Original 88.4 kB
After minification 87.8 kB
After compression 85.2 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 361 B

Original 36.6 kB
After minification 36.6 kB
After compression 36.2 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. Volcano-electrical.com has all CSS files already compressed.

Requests Now

After Optimization

The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of VOLCANO Electrical. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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.

High

Buttons do not have an accessible name

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

Search Engine Optimization Advices

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/).

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 Volcano-electrical.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 Volcano-electrical.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

volcano-electrical.com

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

Report Summary

Performance

Accessibility

Best Practices

SEO

China Vacuum Circuit Breaker, Indoor Load Break Switch Manufacturers, Factory - VOLCANO

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)