Access brvision.com. China Truck Camera|Mobile DVR MDVR|Backup Camera|Rear ViewSystem Manufacturers , Factory

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

19/100

10%

LCP (Largest Contentful Paint)

Value6.8 s

7/100

25%

SI (Speed Index)

Value17.0 s

0/100

10%

TBT (Total Blocking Time)

Value110 ms

97/100

30%

CLS (Cumulative Layout Shift)

Value0.355

31/100

15%

TTI (Time to Interactive)

Value5.4 s

72/100

10%

brvision.com

661 ms

brvision.com

883 ms

style.css

224 ms

media.css

444 ms

reset.css

660 ms

Our browser made a total of 81 requests to load all elements on the main page. We found that 99% of them (80 requests) were addressed to the original Brvision.com, 1% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (18.5 sec) belongs to the original domain Brvision.com.

Content Size

5.7 MB

After Optimization

5.3 MB

In fact, the total size of Brvision.com main page is 5.7 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. 65% of websites need less resources to load. Images take 5.5 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 40.7 kB

Original 47.9 kB
After minification 35.4 kB
After compression 7.2 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. This page needs HTML code to be minified as it can gain 12.6 kB, which is 26% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 40.7 kB or 85% of the original size.

Image Optimization

-5%

Potential reduce by 257.0 kB

Original 5.5 MB
After minification 5.2 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. Brvision images are well optimized though.

JavaScript Optimization

-25%

Potential reduce by 19.7 kB

Original 79.1 kB
After minification 79.1 kB
After compression 59.3 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 19.7 kB or 25% of the original size.

CSS Optimization

-36%

Potential reduce by 15.4 kB

Original 43.1 kB
After minification 43.1 kB
After compression 27.6 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. Brvision.com needs all CSS files to be minified and compressed as it can save up to 15.4 kB or 36% of the original size.

Requests Now

After Optimization

The browser has sent 75 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Brvision. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 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 legibility of your content.

High

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

These are opportunities to improve the interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

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

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

Search Engine Optimization Advices

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

High

Links do not have descriptive text

High

Image elements do not have [alt] attributes

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

N/A
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Brvision.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Brvision.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

brvision.com

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

Report Summary

Performance

Accessibility

Best Practices

SEO

China Truck Camera|Mobile DVR MDVR|Backup Camera|Rear ViewSystem Manufacturers , Factory

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)

Network Requests Diagram

brvision.com

brvision.com

style.css

media.css

reset.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

brvision.com

brvision.com

style.css

media.css

reset.css

font-awesome.min.css

animate.min.css

idangerous.swiper.css

jquery-1.10.1.min.js

idangerous.swiper.min.js

swiper.animate1.0.2.min.js

jquery.SuperSlide.2.1.2.js

wow.min.js

lightbox.css

lightbox.js

js

web.js

jquery.waypoints.min.js

jquery.countup.min.js

close.png

loading.gif

prev.png

next.png

displaynone.png

1637071208.png

1637152031.jpg

1637152090.jpg

1637152636.jpg

1637152683.jpg

1637152712.jpg

1637639730.jpg

1637639610.jpg

1637220149.jpg

1637634711.jpg

1637635295.jpg

1637635639.jpg

1637636600.jpg

1637638157.jpg

1637639080.jpg

1637225532.jpg

1645611539.jpg

brvision.com

1637225610.jpg