Report Summary

  • 68

    Performance

    Renders faster than
    80% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

cmc-online.ru

ВМиК - Online! : Открытый информационный проект о факультете ВМК МГУ

Page Load Speed

2.8 sec in total

First Response

485 ms

Resources Loaded

2.1 sec

Page Rendered

217 ms

cmc-online.ru screenshot

About Website

Click here to check amazing Cmc Online content for Russia. Otherwise, check out these important facts you probably never knew about cmc-online.ru

Информационный сайт факультета ВМиК МГУ: учебные материалы, расписание занятий, общение студентов и выпускников Московского университета.

Visit cmc-online.ru

Key Findings

We analyzed Cmc-online.ru page load time and found that the first response time was 485 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

cmc-online.ru performance score

68

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

62/100

10%

LCP (Largest Contentful Paint)

Value4.1 s

47/100

25%

SI (Speed Index)

Value5.0 s

63/100

10%

TBT (Total Blocking Time)

Value420 ms

66/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value4.0 s

88/100

10%

Network Requests Diagram

cmc-online.ru

485 ms

www.cmc-online.ru

542 ms

commonstyle.css

263 ms

275 ms

style.js

267 ms

Our browser made a total of 18 requests to load all elements on the main page. We found that 78% of them (14 requests) were addressed to the original Cmc-online.ru, 11% (2 requests) were made to Counter.rambler.ru and 11% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (671 ms) relates to the external source Counter.rambler.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 30.5 kB (27%)

Content Size

114.5 kB

After Optimization

84.1 kB

In fact, the total size of Cmc-online.ru main page is 114.5 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. 15% of websites need less resources to load. Javascripts take 58.3 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 24.8 kB

  • Original 31.2 kB
  • After minification 21.1 kB
  • After compression 6.4 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 10.1 kB, which is 32% 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 24.8 kB or 80% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 20.6 kB
  • After minification 20.6 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. Cmc Online images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 2.0 kB

  • Original 58.3 kB
  • After minification 58.3 kB
  • After compression 56.4 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. This website has mostly compressed JavaScripts.

CSS Optimization

-83%

Potential reduce by 3.7 kB

  • Original 4.5 kB
  • After minification 3.3 kB
  • After compression 742 B

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. Cmc-online.ru needs all CSS files to be minified and compressed as it can save up to 3.7 kB or 83% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

15

After Optimization

15

The browser has sent 15 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cmc Online. According to our analytics all requests are already optimized.

Accessibility Review

cmc-online.ru accessibility score

72

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

Image elements do not have [alt] attributes

Best Practices

cmc-online.ru best practices score

67

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

High

Browser errors were logged to the console

SEO Factors

cmc-online.ru SEO score

62

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

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 Cmc-online.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 Cmc-online.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

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