Access volibel.com. China Smart Door Lock, Smart Padlock, Lock Fitting Manufacturers, Suppliers

Report Summary

About Website

Click here to check amazing Volibel content. Otherwise, check out these important facts you probably never knew about volibel.com

Shenzhen Deftun Technology Co., Limited: VOLIBLE Smart Lock - American well-known fingerprint lock brand, a high-tech enterprise integrating R&D, production and sales. Strong technical force. Committe...

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name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

28/100

10%

LCP (Largest Contentful Paint)

Value5.1 s

26/100

25%

SI (Speed Index)

Value5.4 s

57/100

10%

TBT (Total Blocking Time)

Value210 ms

88/100

30%

CLS (Cumulative Layout Shift)

Value0.004

100/100

15%

TTI (Time to Interactive)

Value8.9 s

34/100

10%

volibel.com

507 ms

www.volibel.com

688 ms

bootstrap.min.css

62 ms

font-awesome.min.css

59 ms

style.css

82 ms

Our browser made a total of 77 requests to load all elements on the main page. We found that 74% of them (57 requests) were addressed to the original Volibel.com, 8% (6 requests) were made to Js01.v15cdn.com and 4% (3 requests) were made to Css01.v15cdn.com. The less responsive or slowest element that took the longest time to load (5.3 sec) belongs to the original domain Volibel.com.

Content Size

1.6 MB

After Optimization

1.6 MB

In fact, the total size of Volibel.com main page is 1.6 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. 40% of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 26.1 kB

Original 33.7 kB
After minification 33.1 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 26.1 kB or 77% of the original size.

Image Optimization

-1%

Potential reduce by 7.6 kB

Original 1.4 MB
After minification 1.4 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. Volibel images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 3.2 kB

Original 155.9 kB
After minification 155.4 kB
After compression 152.7 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

-13%

Potential reduce by 6.7 kB

Original 51.5 kB
After minification 51.5 kB
After compression 44.8 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. Volibel.com needs all CSS files to be minified and compressed as it can save up to 6.7 kB or 13% of the original size.

Requests Now

After Optimization

The browser has sent 74 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Volibel. 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 7 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

Links do not have a discernible name

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

High

Page has valid source maps

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

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 Volibel.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 Volibel.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

volibel.com

Open Graph data is detected on the main page of Volibel. 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 Smart Door Lock, Smart Padlock, Lock Fitting Manufacturers, Suppliers - VOLIBLE

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)