Tools & Wizards About Us
cossa.ru screenshot

Report Summary

  • 28

    Performance

    Renders faster than
    48% of other websites

  • 70

    Accessibility

    Visual factors better than
    that of 35% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 81

    SEO

    Google-friendlier than
    42% of websites

cossa.ru

Cossa.ru — маркетинг в социальных медиа, digital-маркетинг, интегрированные маркетинговые коммуникации

Page Load Speed

6.2 sec in total

First Response

532 ms

Resources Loaded

4.8 sec

Page Rendered

860 ms

cossa.ru screenshot

About Website

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

Cossa.ru - информационный портал о маркетинге и коммуникациях в цифровой среде. Новые инструменты продвижения и оптимизация работы. Различные формы взаимодействия (SMM, вирусные видео, QR-коды, мобиль...

Visit cossa.ru

Key Findings

We analyzed Cossa.ru page load time and found that the first response time was 532 ms and then it took 5.7 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

cossa.ru performance score

28

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

60/100

10%

LCP (Largest Contentful Paint)

Value11.4 s

0/100

25%

SI (Speed Index)

Value16.3 s

0/100

10%

TBT (Total Blocking Time)

Value1,210 ms

20/100

30%

CLS (Cumulative Layout Shift)

Value0.004

100/100

15%

TTI (Time to Interactive)

Value15.8 s

6/100

10%

Network Requests Diagram

cossa.ru

532 ms

www.cossa.ru

1265 ms

ss.min.css

282 ms

page_626ebdc0ec80410b1cd638628a86a21c_v1.css

376 ms

default_8d73282a1c5ac863d532ff5ea687274d_v1.css

391 ms

Our browser made a total of 81 requests to load all elements on the main page. We found that 69% of them (56 requests) were addressed to the original Cossa.ru, 6% (5 requests) were made to Fonts.gstatic.com and 5% (4 requests) were made to Top-fwz1.mail.ru. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Cossa.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 567.0 kB (10%)

Content Size

5.5 MB

After Optimization

4.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cossa.ru main page is 5.5 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. 65% of websites need less resources to load. Images take 4.9 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 88.9 kB

  • Original 109.4 kB
  • After minification 82.0 kB
  • After compression 20.5 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 27.4 kB, which is 25% 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 88.9 kB or 81% of the original size.

Image Optimization

-8%

Potential reduce by 403.0 kB

  • Original 4.9 MB
  • After minification 4.5 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. Cossa images are well optimized though.

JavaScript Optimization

-17%

Potential reduce by 60.0 kB

  • Original 363.4 kB
  • After minification 363.4 kB
  • After compression 303.4 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 60.0 kB or 17% of the original size.

CSS Optimization

-18%

Potential reduce by 15.1 kB

  • Original 82.7 kB
  • After minification 82.5 kB
  • After compression 67.7 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. Cossa.ru needs all CSS files to be minified and compressed as it can save up to 15.1 kB or 18% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (33%)

Requests Now

70

After Optimization

47

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 70 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cossa. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

cossa.ru

cossa.ru

532 ms

www.cossa.ru

www.cossa.ru

1265 ms

ss.min.css

ss.min.css

282 ms

page_626ebdc0ec80410b1cd638628a86a21c_v1.css

page_626ebdc0ec80410b1cd638628a86a21c_v1.css

376 ms

default_8d73282a1c5ac863d532ff5ea687274d_v1.css

default_8d73282a1c5ac863d532ff5ea687274d_v1.css

391 ms

default_2ac048535895530fe23737d845601577_v1.css

default_2ac048535895530fe23737d845601577_v1.css

416 ms

default_f44a40ee29c09d2f31e4384b9d23267a_v1.css

default_f44a40ee29c09d2f31e4384b9d23267a_v1.css

418 ms

template_465b8168a01567f87d07d766d89992a2_v1.css

template_465b8168a01567f87d07d766d89992a2_v1.css

1125 ms

core.min.js

core.min.js

1151 ms

kernel_main_v1.js

kernel_main_v1.js

875 ms

dexie3.bundle.min.js

dexie3.bundle.min.js

781 ms

core_ls.min.js

core_ls.min.js

554 ms

core_frame_cache.min.js

core_frame_cache.min.js

555 ms

ss.js

ss.js

698 ms

template_f503d79d05859ee5746ec014213644b1_v1.js

template_f503d79d05859ee5746ec014213644b1_v1.js

1254 ms

page_34efa547d0723f3d65463c70652d89b8_v1.js

page_34efa547d0723f3d65463c70652d89b8_v1.js

837 ms

openapi.js

openapi.js

1039 ms

ba.js

ba.js

466 ms

fbevents.js

fbevents.js

36 ms

cossa_logo.gif

cossa_logo.gif

165 ms

verkh-na-osnovnoy-Kose.jpg

verkh-na-osnovnoy-Kose.jpg

166 ms

footer_logo_18.gif

footer_logo_18.gif

163 ms

logo.svg

logo.svg

138 ms

vkontakte.gif

vkontakte.gif

163 ms

code.js

code.js

910 ms

sdk.js

sdk.js

38 ms

Digital_Generation_Special_Anons_Left.jpg

Digital_Generation_Special_Anons_Left.jpg

458 ms

Digital_Generation_Special_Anons_Top.jpg

Digital_Generation_Special_Anons_Top.jpg

254 ms

Digital_Generation_Special_Anons_Right.jpg

Digital_Generation_Special_Anons_Right.jpg

829 ms

KFOmCnqEu92Fr1Mu5mxP.ttf

KFOmCnqEu92Fr1Mu5mxP.ttf

75 ms

KFOlCnqEu92Fr1MmEU9fABc9.ttf

KFOlCnqEu92Fr1MmEU9fABc9.ttf

119 ms

KFOlCnqEu92Fr1MmSU5fABc9.ttf

KFOlCnqEu92Fr1MmSU5fABc9.ttf

143 ms

KFOlCnqEu92Fr1MmWUlfABc9.ttf

KFOlCnqEu92Fr1MmWUlfABc9.ttf

143 ms

KFOlCnqEu92Fr1MmYUtfABc9.ttf

KFOlCnqEu92Fr1MmYUtfABc9.ttf

143 ms

1200.jpg

1200.jpg

249 ms

b1a0aa73041ad5ddf8773d1a3b6fb2a1_Alina-Kachanova_2.jpg

b1a0aa73041ad5ddf8773d1a3b6fb2a1_Alina-Kachanova_2.jpg

530 ms

12001.jpg

12001.jpg

428 ms

6f0d43b67caedfc282f0ece166ef8641_22222.jpeg

6f0d43b67caedfc282f0ece166ef8641_22222.jpeg

425 ms

1200.jpg

1200.jpg

427 ms

1e7480721dc93809c831f4e234a807a9_Nann1.jpg

1e7480721dc93809c831f4e234a807a9_Nann1.jpg

723 ms

12005.jpg

12005.jpg

891 ms

c7b683c4b928afb0c5b496b95a92de3e_PA100631-_2_.jpg

c7b683c4b928afb0c5b496b95a92de3e_PA100631-_2_.jpg

530 ms

12002.jpg

12002.jpg

671 ms

c2e6f389939284f017f0e9268cc640f2_logo_gradient200kh200.jpg

c2e6f389939284f017f0e9268cc640f2_logo_gradient200kh200.jpg

671 ms

12001.jpg

12001.jpg

668 ms

fea6e6d117ccf25aa94447f1acb623c3_19LOGO84-2_1.jpg

fea6e6d117ccf25aa94447f1acb623c3_19LOGO84-2_1.jpg

809 ms

1200.jpg

1200.jpg

1094 ms

ce9c7cd09337c30f350c9cf39949dbe6_photo_2022_08_17_13_37_51.jpg

ce9c7cd09337c30f350c9cf39949dbe6_photo_2022_08_17_13_37_51.jpg

1378 ms

1200.png

1200.png

974 ms

eb5d9debf5d4d8840dcdc3917f79107e_1080kh1080_2.jpg

eb5d9debf5d4d8840dcdc3917f79107e_1080kh1080_2.jpg

1074 ms

image2.png

image2.png

948 ms

logo_square.png

logo_square.png

1092 ms

12009.jpg

12009.jpg

1094 ms

a8f8a8a35d871d570006e0e73dd4492c_photo-15.jpeg

a8f8a8a35d871d570006e0e73dd4492c_photo-15.jpeg

1120 ms

12007.jpg

12007.jpg

1491 ms

1092f840395d014baf95de27beda8f9c_Screenshot_1.jpg

1092f840395d014baf95de27beda8f9c_Screenshot_1.jpg

1482 ms

12002.jpg

12002.jpg

1515 ms

787a1ebfc15bf81d6a3c5dfa217bf442_dasha-photo-cut1.png

787a1ebfc15bf81d6a3c5dfa217bf442_dasha-photo-cut1.png

1233 ms

1200.jpg

1200.jpg

1245 ms

49af0f72ce0d98485b7b72b83fae97a3_Artem-Popov-_1_.jpeg

49af0f72ce0d98485b7b72b83fae97a3_Artem-Popov-_1_.jpeg

1377 ms

photo_2024_04_22_14_54_57.jpg

photo_2024_04_22_14_54_57.jpg

1371 ms

799debf2afa1798322d8c116d524f99c_10350606_835359773162581_441802244206438242_n.jpg

799debf2afa1798322d8c116d524f99c_10350606_835359773162581_441802244206438242_n.jpg

1495 ms

sdk.js

sdk.js

70 ms

hit

hit

528 ms

watch.js

watch.js

3 ms

1200.jpg

1200.jpg

1560 ms

analytics.js

analytics.js

60 ms

12002.jpg

12002.jpg

1392 ms

12001.jpg

12001.jpg

1616 ms

mpf-mediator.min.js

mpf-mediator.min.js

431 ms

70 ms

collect

collect

13 ms

js

js

56 ms

openapi.a2ed73393cad04481c1dfb3f7794921f.js

openapi.a2ed73393cad04481c1dfb3f7794921f.js

233 ms

bx_stat

bx_stat

192 ms

hit

hit

130 ms

rtrg

rtrg

128 ms

sync-loader.js

sync-loader.js

776 ms

counter

counter

129 ms

dyn-goal-config.js

dyn-goal-config.js

252 ms

tracker

tracker

129 ms

Accessibility Review

cossa.ru accessibility score

70

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.

Internationalization and localization

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

Impact

Issue

High

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

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

cossa.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

SEO Factors

cossa.ru SEO score

81

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 Cossa.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 Cossa.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

cossa.ru

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