Access carbonstudio.ru. Карбон Студио — материалы и оборудование для композитов в Москве и Санкт-Петербурге

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

43/100

10%

LCP (Largest Contentful Paint)

Value9.1 s

1/100

25%

SI (Speed Index)

Value17.8 s

0/100

10%

TBT (Total Blocking Time)

Value3,000 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.008

100/100

15%

TTI (Time to Interactive)

Value39.0 s

0/100

10%

carbonstudio.ru

474 ms

carbonstudio.ru

720 ms

bootstrap-slider.min.css

112 ms

bootstrap-slider-text-input.min.css

223 ms

select2.css

319 ms

Our browser made a total of 99 requests to load all elements on the main page. We found that 71% of them (70 requests) were addressed to the original Carbonstudio.ru, 8% (8 requests) were made to Widgets.mango-office.ru and 7% (7 requests) were made to St6-21.vk.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Carbonstudio.ru.

Content Size

3.4 MB

After Optimization

2.9 MB

In fact, the total size of Carbonstudio.ru main page is 3.4 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 2.3 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 63.2 kB

Original 76.2 kB
After minification 59.4 kB
After compression 13.0 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 16.8 kB, which is 22% 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 63.2 kB or 83% of the original size.

Image Optimization

-7%

Potential reduce by 150.7 kB

Original 2.3 MB
After minification 2.1 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. Carbonstudio images are well optimized though.

JavaScript Optimization

-39%

Potential reduce by 224.6 kB

Original 576.4 kB
After minification 517.9 kB
After compression 351.8 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 224.6 kB or 39% of the original size.

CSS Optimization

-9%

Potential reduce by 38.6 kB

Original 431.1 kB
After minification 431.0 kB
After compression 392.5 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. Carbonstudio.ru has all CSS files already compressed.

Requests Now

After Optimization

The browser has sent 91 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Carbonstudio. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 31 to 1 for JavaScripts and from 15 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

High

[aria-*] attributes do not match their roles

High

[aria-hidden="true"] elements contain focusable descendents

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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

High

<frame> or <iframe> elements do not have a title

High

Form elements do not have associated labels

High

Links do not have a discernible name

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 keyboard navigation in your application.

High

[id] attributes on active, focusable elements are not unique

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

High

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

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

High

Missing source maps for large first-party JavaScript

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

RU
Language Claimed

N/A
Encoding

ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Carbonstudio.ru can be misinterpreted by Google and other search engines. Our service has detected that Russian 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 Carbonstudio.ru main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

carbonstudio.ru

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

Карбон Студио — материалы и оборудование для композитов в Москве и Санкт-Петербурге

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

carbonstudio.ru

carbonstudio.ru

bootstrap-slider.min.css

bootstrap-slider-text-input.min.css

select2.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

carbonstudio.ru

carbonstudio.ru

bootstrap-slider.min.css

bootstrap-slider-text-input.min.css

select2.css

slick.css

screen.css

modernizr-custom.js

jquery.fancybox.css

jquery.fancybox-thumbs.css

slashc.sliding-menu.css

js

jquery-1.11.2.min.js

jquery.dotdotdot.min.js

jquery.ezmark.min.js

select2.min.js

slick.min.js

jquery.inputmask.bundle.js

jquery.fancybox.js

jquery.fancybox-thumbs.js

jquery.slashc.sliding-menu.min.js

jquery.scrollTo.min.js

bootstrap-slider.min.js

bootstrap-slider-text-input.min.js

jquery-ready.js

screen.css

5_icon.png

6_icon.png

14_icon.png

3_icon.png

1_icon.png

1_image.png

2_image.png

3_image.png

4_image.png

1077_thumbnail_2.png

basket-item.png

1044_thumbnail_2.png

1076_thumbnail_2.jpg

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