Tools & Wizards About Us
blackco.ru screenshot

Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

blackco.ru

Домен blackco.ru: купить в магазине доменных имен REG.RU

Page Load Speed

5.3 sec in total

First Response

577 ms

Resources Loaded

4.3 sec

Page Rendered

415 ms

blackco.ru screenshot

About Website

Visit blackco.ru now to see the best up-to-date Blackco content for Russia and also check out these interesting facts you probably never knew about blackco.ru

Домен blackco.ru продаётся. Цена: 24 000,00 р. Категории: Бизнес - Бизнес (другое); Автоматические категории - Старше 5-ти лет; Товары - Универсальные магазины. Вся информация о домене в магазине доме...

Visit blackco.ru

Key Findings

We analyzed Blackco.ru page load time and found that the first response time was 577 ms and then it took 4.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

blackco.ru performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

15/100

10%

LCP (Largest Contentful Paint)

Value13.5 s

0/100

25%

SI (Speed Index)

Value9.2 s

13/100

10%

TBT (Total Blocking Time)

Value2,490 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value0.067

97/100

15%

TTI (Time to Interactive)

Value20.5 s

2/100

10%

Network Requests Diagram

577 ms

blackco.ru

587 ms

manifest.4c6af91f69e112766ffb.js

238 ms

head-scripts.2929a9eb6433a563c83e.js

364 ms

design-system.294c9e39af84ac84368b.js

614 ms

Our browser made a total of 61 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Blackco.ru, 7% (4 requests) were made to Files.reg.ru and 2% (1 request) were made to Mc.yandex.ru. The less responsive or slowest element that took the longest time to load (1.4 sec) relates to the external source Files.reg.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 412.8 kB (28%)

Content Size

1.5 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Blackco.ru main page is 1.5 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. Javascripts take 1.0 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 218.4 kB

  • Original 255.8 kB
  • After minification 197.7 kB
  • After compression 37.4 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 58.1 kB, which is 23% 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 218.4 kB or 85% of the original size.

Image Optimization

-4%

Potential reduce by 1.3 kB

  • Original 31.2 kB
  • After minification 29.9 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. Blackco images are well optimized though.

JavaScript Optimization

-15%

Potential reduce by 155.4 kB

  • Original 1.0 MB
  • After minification 1.0 MB
  • After compression 894.3 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 155.4 kB or 15% of the original size.

CSS Optimization

-23%

Potential reduce by 37.7 kB

  • Original 163.6 kB
  • After minification 163.6 kB
  • After compression 125.8 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. Blackco.ru needs all CSS files to be minified and compressed as it can save up to 37.7 kB or 23% of the original size.

Requests Breakdown

Number of requests can be reduced by 41 (79%)

Requests Now

52

After Optimization

11

  • Images
  • JavaScript
  • CSS

The browser has sent 52 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Blackco. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

577 ms

blackco.ru

blackco.ru

587 ms

manifest.4c6af91f69e112766ffb.js

manifest.4c6af91f69e112766ffb.js

238 ms

head-scripts.2929a9eb6433a563c83e.js

head-scripts.2929a9eb6433a563c83e.js

364 ms

design-system.294c9e39af84ac84368b.js

design-system.294c9e39af84ac84368b.js

614 ms

shims.a6f6d0a0bd87b94f64b6.js

shims.a6f6d0a0bd87b94f64b6.js

500 ms

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analytics.a9ae1ddaae08d7f86979.js

842 ms

design-system.885626bf99b444c1369d.css

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520 ms

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851 ms

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506 ms

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670 ms

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756 ms

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916 ms

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634 ms

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918 ms

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917 ms

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974 ms

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916 ms

b-icon_style_cross.svg

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336 ms

ds-icons__client_white.svg

ds-icons__client_white.svg

350 ms

Inter-Regular.woff

Inter-Regular.woff

907 ms

Inter-Medium.woff

Inter-Medium.woff

1080 ms

Inter-SemiBold.woff

Inter-SemiBold.woff

1385 ms

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b-icon_style_cross.18a293bbbada5ecfcc2d1fb82350418e.svg

147 ms

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160 ms

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168 ms

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260 ms

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276 ms

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b-icon_shop_lot.bcb04839ee3ac0c521674b5d026a6a9e.svg

283 ms

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ds-icons__link-external_black-400.9f6289634915cd9ef12a292d97cca69a.svg

292 ms

b-icon_shop_hits.b2ddc6404bf9d5a59ff3fd674a9ba691.svg

b-icon_shop_hits.b2ddc6404bf9d5a59ff3fd674a9ba691.svg

601 ms

b-icon_shop_bid.a12814c07d1d40698eeb8204331c8af7.svg

b-icon_shop_bid.a12814c07d1d40698eeb8204331c8af7.svg

398 ms

b-domain-shop-lot-external__icon_site_yandex.ff71e874e451e56ac82a541e58792f37.svg

b-domain-shop-lot-external__icon_site_yandex.ff71e874e451e56ac82a541e58792f37.svg

390 ms

b-domain-shop-lot-external__icon_site_google.6e80e9ec7868355eb8c0db60e9ae86f6.svg

b-domain-shop-lot-external__icon_site_google.6e80e9ec7868355eb8c0db60e9ae86f6.svg

406 ms

b-domain-shop-lot-external__icon_site_rambler.e3915267e8755cfb844dfa18f506f7cb.svg

b-domain-shop-lot-external__icon_site_rambler.e3915267e8755cfb844dfa18f506f7cb.svg

409 ms

b-domain-shop-lot-external__icon_site_yahoo.380ae41fae91f37e03f4b51491c25fb4.svg

b-domain-shop-lot-external__icon_site_yahoo.380ae41fae91f37e03f4b51491c25fb4.svg

415 ms

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b-domain-shop-lot-external__icon_site_bing.85234dd364db6301f5c9eff6a9b0ff74.svg

520 ms

b-domain-shop-lot-external__icon_site_mail.f04d2bd8e55050ff056aae8145792640.svg

b-domain-shop-lot-external__icon_site_mail.f04d2bd8e55050ff056aae8145792640.svg

537 ms

ds-icons__cart_color-font-primary-inverse.918469e0b2ab6cc7e961356d5b5713cf.svg

ds-icons__cart_color-font-primary-inverse.918469e0b2ab6cc7e961356d5b5713cf.svg

535 ms

ds-icons__rate_color-font-primary-main.af2b5382eb81e27d8dd63a32ca98b605.svg

ds-icons__rate_color-font-primary-main.af2b5382eb81e27d8dd63a32ca98b605.svg

531 ms

ds-icons__question-circle_color-font-placeholder.svg

ds-icons__question-circle_color-font-placeholder.svg

680 ms

b-icon_shop_warranty-badge.b41df4cad8fd9c11d90945f41c22d96f.svg

b-icon_shop_warranty-badge.b41df4cad8fd9c11d90945f41c22d96f.svg

646 ms

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654 ms

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662 ms

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665 ms

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723 ms

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769 ms

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776 ms

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786 ms

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790 ms

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803 ms

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815 ms

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829 ms

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836 ms

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847 ms

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848 ms

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tag.js

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code.tonzz3.ru

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advert.gif

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tagtag.min.js

62 ms

Accessibility Review

blackco.ru accessibility score

85

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

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

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Names and labels

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.

Impact

Issue

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

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

Best Practices

blackco.ru best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

blackco.ru SEO score

93

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Page is blocked from indexing

Mobile Friendly

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/).

Impact

Issue

High

Document uses legible font sizes

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 Blackco.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 Blackco.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

blackco.ru

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