Report Summary

  • 35

    Performance

    Renders faster than
    55% of other websites

  • 69

    Accessibility

    Visual factors better than
    that of 35% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

comss.ru

Все антивирусы. Скачать бесплатно

Page Load Speed

1.3 sec in total

First Response

180 ms

Resources Loaded

880 ms

Page Rendered

241 ms

comss.ru screenshot

About Website

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

Антивирус скачать бесплатно: лучшие антивирусы и антивирусные программы. Комплексная интернет защита от всех видов вредоносных программ, онлайн-угроз и сетевых атак

Visit comss.ru

Key Findings

We analyzed Comss.ru page load time and found that the first response time was 180 ms and then it took 1.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

comss.ru performance score

35

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

75/100

10%

LCP (Largest Contentful Paint)

Value4.1 s

46/100

25%

SI (Speed Index)

Value9.5 s

11/100

10%

TBT (Total Blocking Time)

Value9,780 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.063

97/100

15%

TTI (Time to Interactive)

Value20.0 s

2/100

10%

Network Requests Diagram

comss.ru

180 ms

www.comss.ru

407 ms

052015.css

62 ms

jquery.min.js

30 ms

sl.js

77 ms

Our browser made a total of 57 requests to load all elements on the main page. We found that 4% of them (2 requests) were addressed to the original Comss.ru, 39% (22 requests) were made to Cdn.comss.net and 26% (15 requests) were made to Cdn2.comss.net. The less responsive or slowest element that took the longest time to load (407 ms) belongs to the original domain Comss.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 96.6 kB (15%)

Content Size

648.2 kB

After Optimization

551.6 kB

In fact, the total size of Comss.ru main page is 648.2 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. 40% of websites need less resources to load. Images take 483.5 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 36.0 kB

  • Original 46.2 kB
  • After minification 42.1 kB
  • After compression 10.2 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 36.0 kB or 78% of the original size.

Image Optimization

-5%

Potential reduce by 22.8 kB

  • Original 483.5 kB
  • After minification 460.8 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. Comss images are well optimized though.

JavaScript Optimization

-17%

Potential reduce by 14.9 kB

  • Original 89.6 kB
  • After minification 89.2 kB
  • After compression 74.7 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 14.9 kB or 17% of the original size.

CSS Optimization

-80%

Potential reduce by 23.0 kB

  • Original 28.9 kB
  • After minification 25.5 kB
  • After compression 5.9 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. Comss.ru needs all CSS files to be minified and compressed as it can save up to 23.0 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (27%)

Requests Now

52

After Optimization

38

The browser has sent 52 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Comss. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

comss.ru accessibility score

69

Accessibility Issues

ARIA

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.

Impact

Issue

High

[aria-*] attributes do not match their roles

High

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

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

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

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

Best Practices

comss.ru best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

comss.ru SEO score

86

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

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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

    N/A

  • Encoding

    WINDOWS-1251

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Comss.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 Comss.ru main page’s claimed encoding is windows-1251. 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

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