Tools & Wizards About Us
katakomba.ru screenshot

Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

katakomba.ru

Page Load Speed

5 sec in total

First Response

524 ms

Resources Loaded

4 sec

Page Rendered

399 ms

katakomba.ru screenshot

About Website

Click here to check amazing Katakomba content. Otherwise, check out these important facts you probably never knew about katakomba.ru

Домен katakomba.ru продаётся. Цена: 45 000,00 р. Категории: Бизнес - Инвестирование; Бизнес - Потребительские товары и услуги; Бизнес - Промышленные товары и услуги. Вся информация о домене в магазине...

Visit katakomba.ru

Key Findings

We analyzed Katakomba.ru page load time and found that the first response time was 524 ms and then it took 4.4 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

katakomba.ru performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

15/100

10%

LCP (Largest Contentful Paint)

Value15.7 s

0/100

25%

SI (Speed Index)

Value8.8 s

16/100

10%

TBT (Total Blocking Time)

Value2,930 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.095

91/100

15%

TTI (Time to Interactive)

Value23.4 s

1/100

10%

Network Requests Diagram

katakomba.ru

524 ms

katakomba.ru

562 ms

manifest.3a3a04ed93f3a7a6f850.js

238 ms

head-scripts.2ff7329da5c555107564.js

362 ms

design-system.e37fb26f5769a4208584.js

606 ms

Our browser made a total of 71 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Katakomba.ru, 85% (60 requests) were made to Reg.ru and 6% (4 requests) were made to Files.reg.ru. The less responsive or slowest element that took the longest time to load (1.8 sec) relates to the external source Reg.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 249.8 kB (55%)

Content Size

454.0 kB

After Optimization

204.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Katakomba.ru main page is 454.0 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. 65% of websites need less resources to load. HTML takes 271.4 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 233.7 kB

  • Original 271.4 kB
  • After minification 207.0 kB
  • After compression 37.7 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 64.3 kB, which is 24% 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 233.7 kB or 86% 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. Katakomba images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 43 B

  • Original 87.0 kB
  • After minification 87.0 kB
  • After compression 86.9 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

-23%

Potential reduce by 14.8 kB

  • Original 64.4 kB
  • After minification 64.4 kB
  • After compression 49.6 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. Katakomba.ru needs all CSS files to be minified and compressed as it can save up to 14.8 kB or 23% of the original size.

Requests Breakdown

Number of requests can be reduced by 49 (82%)

Requests Now

60

After Optimization

11

  • Images
  • JavaScript
  • CSS

The browser has sent 60 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Katakomba. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

katakomba.ru

katakomba.ru

524 ms

katakomba.ru

katakomba.ru

562 ms

manifest.3a3a04ed93f3a7a6f850.js

manifest.3a3a04ed93f3a7a6f850.js

238 ms

head-scripts.2ff7329da5c555107564.js

head-scripts.2ff7329da5c555107564.js

362 ms

design-system.e37fb26f5769a4208584.js

design-system.e37fb26f5769a4208584.js

606 ms

shims.b18bb090e38254503d29.js

shims.b18bb090e38254503d29.js

495 ms

analytics.12eba9d02c940b2e735b.js

analytics.12eba9d02c940b2e735b.js

623 ms

design-system.41669e8265cfd6184da6.css

design-system.41669e8265cfd6184da6.css

447 ms

all.56439fb91c54328e3b37.css

all.56439fb91c54328e3b37.css

868 ms

envybox-control.06544bd3d60d07a9d3c4.css

envybox-control.06544bd3d60d07a9d3c4.css

402 ms

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all-body.75140de978a3b0400a34.css

636 ms

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domain-shop-lot.944c42ca376313773902.css

664 ms

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569 ms

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634 ms

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948 ms

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1094 ms

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865 ms

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947 ms

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962 ms

regional-phone.ed7d85f96ef2cfce0caf.js

regional-phone.ed7d85f96ef2cfce0caf.js

899 ms

gtm.js

gtm.js

81 ms

b-icon_style_cross.svg

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490 ms

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598 ms

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701 ms

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705 ms

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ds-icons__search_color-font-secondary-accent.svg

1835 ms

Inter-Regular.woff

Inter-Regular.woff

1028 ms

Inter-Medium.woff

Inter-Medium.woff

1071 ms

Inter-SemiBold.woff

Inter-SemiBold.woff

1072 ms

js

js

51 ms

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252 ms

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322 ms

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353 ms

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ds-icons__search_color-font-primary-main.b22e94408ddbbdb3ade69de580f1659e.svg

376 ms

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ds-icons__search_color-font-secondary-accent.bffde08a9c76f4aa8a1976235dd79179.svg

445 ms

ds-icons__arrow-left_black-800.70159adc55d23d4fa533d98c4e5e0a1e.svg

ds-icons__arrow-left_black-800.70159adc55d23d4fa533d98c4e5e0a1e.svg

458 ms

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b-icon_shop_lot.bcb04839ee3ac0c521674b5d026a6a9e.svg

461 ms

ds-icons__link-external_black-400.9f6289634915cd9ef12a292d97cca69a.svg

ds-icons__link-external_black-400.9f6289634915cd9ef12a292d97cca69a.svg

474 ms

b-icon_shop_hits.b2ddc6404bf9d5a59ff3fd674a9ba691.svg

b-icon_shop_hits.b2ddc6404bf9d5a59ff3fd674a9ba691.svg

499 ms

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b-icon_shop_bid.a12814c07d1d40698eeb8204331c8af7.svg

566 ms

b-icon_shop_tag.afe5d6a2249c8224e9bd695bb091ed80.svg

b-icon_shop_tag.afe5d6a2249c8224e9bd695bb091ed80.svg

581 ms

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

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

582 ms

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

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

595 ms

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

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

622 ms

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

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698 ms

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

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727 ms

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

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

729 ms

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

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

729 ms

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

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758 ms

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819 ms

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ds-icons__mc-payment-pochastyam.dd0f2e152e37082fcd9549a7c473f1ad.svg

825 ms

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829 ms

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837 ms

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866 ms

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965 ms

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967 ms

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917 ms

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747 ms

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939 ms

tag.js

tag.js

863 ms

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code.tonzz3.ru

460 ms

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985 ms

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857 ms

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865 ms

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865 ms

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520 ms

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43 ms

Accessibility Review

katakomba.ru accessibility score

86

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.

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

katakomba.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

katakomba.ru SEO score

98

Search Engine Optimization Advices

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    RU

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Katakomba.ru can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is Russian. Our system also found out that Katakomba.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

katakomba.ru

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