Tools & Wizards About Us
corolina.ru screenshot

Report Summary

  • 22

    Performance

    Renders faster than
    40% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

corolina.ru

Королина.ру - мулине DMC по оптовым ценам из Санкт-Петербурга

Page Load Speed

5.6 sec in total

First Response

530 ms

Resources Loaded

4.8 sec

Page Rendered

227 ms

corolina.ru screenshot

About Website

Welcome to corolina.ru homepage info - get ready to check Corolina best content for Russia right away, or after learning these important things about corolina.ru

Отправляем заказы на мулине DMC по всей России и СНГ. Отправка сегодня или на следующий рабочий день. Купить мулине ДМС по оптовым ценам в розницу. Работаем с понедельника по пятницу.

Visit corolina.ru

Key Findings

We analyzed Corolina.ru page load time and found that the first response time was 530 ms and then it took 5.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

corolina.ru performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

24/100

10%

LCP (Largest Contentful Paint)

Value8.5 s

2/100

25%

SI (Speed Index)

Value6.6 s

37/100

10%

TBT (Total Blocking Time)

Value5,580 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value33.9 s

0/100

10%

Network Requests Diagram

corolina.ru

530 ms

corolina.ru

1063 ms

stylesheet_min.css

297 ms

progroman.city-manager.css

410 ms

jquery-2.1.1.min.js

553 ms

Our browser made a total of 138 requests to load all elements on the main page. We found that 46% of them (63 requests) were addressed to the original Corolina.ru, 40% (55 requests) were made to St6-21.vk.com and 7% (9 requests) were made to Vk.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Corolina.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 500.2 kB (16%)

Content Size

3.2 MB

After Optimization

2.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Corolina.ru main page is 3.2 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. 70% of websites need less resources to load. Javascripts take 1.8 MB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 134.3 kB

  • Original 153.3 kB
  • After minification 133.9 kB
  • After compression 19.0 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 19.4 kB, which is 13% 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 134.3 kB or 88% of the original size.

Image Optimization

-5%

Potential reduce by 33.4 kB

  • Original 631.1 kB
  • After minification 597.7 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. Corolina images are well optimized though.

JavaScript Optimization

-14%

Potential reduce by 257.4 kB

  • Original 1.8 MB
  • After minification 1.8 MB
  • After compression 1.5 MB

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 257.4 kB or 14% of the original size.

CSS Optimization

-13%

Potential reduce by 75.1 kB

  • Original 593.5 kB
  • After minification 593.5 kB
  • After compression 518.4 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. Corolina.ru needs all CSS files to be minified and compressed as it can save up to 75.1 kB or 13% of the original size.

Requests Breakdown

Number of requests can be reduced by 73 (57%)

Requests Now

129

After Optimization

56

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 129 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Corolina. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 42 to 1 for JavaScripts and from 17 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

corolina.ru

corolina.ru

530 ms

corolina.ru

corolina.ru

1063 ms

stylesheet_min.css

stylesheet_min.css

297 ms

progroman.city-manager.css

progroman.city-manager.css

410 ms

jquery-2.1.1.min.js

jquery-2.1.1.min.js

553 ms

owl.carousel.min.js

owl.carousel.min.js

414 ms

jquery.progroman.autocomplete.js

jquery.progroman.autocomplete.js

418 ms

jquery.progroman.city-manager.js

jquery.progroman.city-manager.js

421 ms

js

js

47 ms

javascript_min.js

javascript_min.js

440 ms

openapi.c340c125c61ec5745ebb2a98626e46ab.js

openapi.c340c125c61ec5745ebb2a98626e46ab.js

247 ms

ser121.png

ser121.png

162 ms

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162 ms

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160 ms

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160 ms

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158 ms

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407 ms

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283 ms

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284 ms

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284 ms

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284 ms

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543 ms

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409 ms

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556 ms

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419 ms

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543 ms

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545 ms

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562 ms

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562 ms

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680 ms

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680 ms

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682 ms

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700 ms

logodmc-228x228.jpg

logodmc-228x228.jpg

703 ms

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702 ms

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f1f4d097458abb121ac16acdde6ed077-228x228.jpg

816 ms

16051915001009c28908f36ecbb67ef11aecd38a96d8%28.livemaster.ru%29-228x228.jpeg

16051915001009c28908f36ecbb67ef11aecd38a96d8%28.livemaster.ru%29-228x228.jpeg

815 ms

61a3d76ec242c77bdbed01ef3f90f1a8%28openfile.ru%29-228x228.jpg

61a3d76ec242c77bdbed01ef3f90f1a8%28openfile.ru%29-228x228.jpg

970 ms

maxresdefault-228x228.jpg

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839 ms

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842 ms

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843 ms

kupit_muline_pnk_kirova_10m_1-228x228.jpg

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968 ms

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dmc_etoile_617-228x228.jpg

969 ms

muline_dmc_light_effects_metallik-228x228.jpg

muline_dmc_light_effects_metallik-228x228.jpg

984 ms

tag.js

tag.js

922 ms

rtrg

rtrg

154 ms

Roboto-Regular.ttf

Roboto-Regular.ttf

1115 ms

Roboto-Bold.ttf

Roboto-Bold.ttf

1115 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

1201 ms

dmc_melange_3-228x228.jpg

dmc_melange_3-228x228.jpg

934 ms

dmc_color_variations_1-228x228.jpg

dmc_color_variations_1-228x228.jpg

936 ms

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%D0%BC%D1%83%D0%BB%D0%B8%D0%BD%D0%B5_luca-s-228x228.jpg

960 ms

upload.gif

upload.gif

173 ms

kanva_metrazhom_kongress_24_zweigart_9406_194_1-228x228.jpg

kanva_metrazhom_kongress_24_zweigart_9406_194_1-228x228.jpg

984 ms

bobinki_karton_gamma-228x228.jpg

bobinki_karton_gamma-228x228.jpg

984 ms

kanva_metrazhom_aida_18_zweigart_3793_101-228x228.jpg

kanva_metrazhom_aida_18_zweigart_3793_101-228x228.jpg

985 ms

dmc_satin_1-228x228.jpg

dmc_satin_1-228x228.jpg

1087 ms

widget_community.php

widget_community.php

230 ms

mirplatezhnajasistema-50x30.jpg

mirplatezhnajasistema-50x30.jpg

1068 ms

widget_community_messages.php

widget_community_messages.php

400 ms

visa-50x30.png

visa-50x30.png

995 ms

master-50x30.png

master-50x30.png

998 ms

sberbank-50x30.png

sberbank-50x30.png

990 ms

tinkoff-50x30.png

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1074 ms

loader_nav21185393831_3.js

loader_nav21185393831_3.js

263 ms

fonts_cnt.c7a76efe.css

fonts_cnt.c7a76efe.css

694 ms

lite.c9bfd4eb.css

lite.c9bfd4eb.css

506 ms

lang3_2.js

lang3_2.js

328 ms

c3d11fba.724c2711.js

c3d11fba.724c2711.js

394 ms

xdm.js

xdm.js

384 ms

base.3e47d375.css

base.3e47d375.css

437 ms

yandex-50x30.png

yandex-50x30.png

958 ms

QIWI-50x30.png

QIWI-50x30.png

971 ms

ser121white.png

ser121white.png

995 ms

community_messages.js

community_messages.js

398 ms

vkcom-kit.322038f7.css

vkcom-kit.322038f7.css

596 ms

vkcom-kit.8fc2d870.js

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759 ms

react.6a15a5cc.js

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617 ms

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678 ms

vkui.c8985bdb.js

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728 ms

state-management.a46c500d.js

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710 ms

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732 ms

audioplayer-lib.93b52d88.css

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714 ms

audioplayer-lib.1c52d153.js

audioplayer-lib.1c52d153.js

849 ms

palette.c6252453.css

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806 ms

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797 ms

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892 ms

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857 ms

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1078 ms

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1124 ms

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1154 ms

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1157 ms

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lang3_0.js

374 ms

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378 ms

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896 ms

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837 ms

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advert.gif

544 ms

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818 ms

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822 ms

stickers.b64c9da3.js

stickers.b64c9da3.js

657 ms

openapi.js

openapi.js

666 ms

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browsers.png

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upload.gif

688 ms

code.js

code.js

773 ms

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metrika_match.html

300 ms

1

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299 ms

metrica

metrica

682 ms

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369 ms

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QulWsGFAn5k.png

598 ms

w_chat_icon.png

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108 ms

w_chat_logo.png

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103 ms

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105 ms

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104 ms

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community_messages_widget_small_logo.svg

102 ms

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emoji_smile_icon.svg

106 ms

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186 ms

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195 ms

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257 ms

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283 ms

counter

counter

130 ms

dyn-goal-config.js

dyn-goal-config.js

253 ms

Accessibility Review

corolina.ru accessibility score

68

Accessibility Issues

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

Buttons do not have an accessible name

High

Form elements do not have associated labels

High

Links do not have a discernible name

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.

Best Practices

corolina.ru best practices score

83

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

SEO Factors

corolina.ru SEO score

91

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

    RU

  • Language Claimed

    RU

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Corolina.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 Corolina.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

corolina.ru

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