Access usb-tronic.ru. USB-Tronic - цветомузыка и светодиодное оборудование купить в Москве с доставкой по России

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

45/100

10%

LCP (Largest Contentful Paint)

Value4.6 s

35/100

25%

SI (Speed Index)

Value4.6 s

70/100

10%

TBT (Total Blocking Time)

Value660 ms

45/100

30%

CLS (Cumulative Layout Shift)

Value0.103

89/100

15%

TTI (Time to Interactive)

Value4.6 s

81/100

10%

usb-tronic.ru

499 ms

usb-tronic.ru

635 ms

stylesheet.css

117 ms

style1.css

229 ms

univermenucategory.css

342 ms

Our browser made a total of 88 requests to load all elements on the main page. We found that 94% of them (83 requests) were addressed to the original Usb-tronic.ru, 1% (1 request) were made to Googleadservices.com and 1% (1 request) were made to Mc.yandex.ru. The less responsive or slowest element that took the longest time to load (838 ms) belongs to the original domain Usb-tronic.ru.

Content Size

641.2 kB

After Optimization

470.8 kB

In fact, the total size of Usb-tronic.ru main page is 641.2 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. 50% of websites need less resources to load. Images take 390.0 kB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 82.8 kB

Original 93.0 kB
After minification 60.8 kB
After compression 10.2 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 32.3 kB, which is 35% 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 82.8 kB or 89% of the original size.

Image Optimization

-19%

Potential reduce by 73.8 kB

Original 390.0 kB
After minification 316.3 kB

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. Obviously, USB Tronic needs image optimization as it can save up to 73.8 kB or 19% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-4%

Potential reduce by 5.5 kB

Original 127.3 kB
After minification 127.0 kB
After compression 121.8 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

-27%

Potential reduce by 8.4 kB

Original 30.9 kB
After minification 30.4 kB
After compression 22.5 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. Usb-tronic.ru needs all CSS files to be minified and compressed as it can save up to 8.4 kB or 27% of the original size.

Requests Now

After Optimization

The browser has sent 85 CSS, Javascripts, AJAX and image requests in order to completely render the main page of USB Tronic. 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 10 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 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 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

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

Search Engine Optimization Advices

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

High

Links are not crawlable

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

High

Image elements do not have [alt] attributes

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

RU
Language Claimed

RU
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Usb-tronic.ru can be misinterpreted by Google and other search engines. Our service has detected that Russian is used on the page, and it matches the claimed language. Our system also found out that Usb-tronic.ru 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

usb-tronic.ru

Open Graph description is not detected on the main page of USB Tronic. 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

USB-Tronic - цветомузыка и светодиодное оборудование купить в Москве с доставкой по России

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

usb-tronic.ru

usb-tronic.ru

stylesheet.css

style1.css

univermenucategory.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

usb-tronic.ru

usb-tronic.ru

stylesheet.css

style1.css

univermenucategory.css

faqmanager.css

colorbox.css

jquery-1.7.1.min.js

jquery-ui-1.8.16.custom.min.js

jquery-ui-1.8.16.custom.css

common2.js

tabs.js

jquery.colorbox-min.js

owl.carousel.js

main.js

enquire.min.js

newselect.js

fast_order.js

scrolltopcontrol.js

fixmenu.js

menu_script.js

responsive.css

topmenu.css

owl.carousel.css

owl.theme.css

conversion.js

logo-usb-1.png

shopcart.png

31.png

56.png

button-search.png

arr_right.png

toggle-icon.png

connect.png

logo_twitter.gif

logo_vkontakte.gif

logo_youtube.png

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