Tools & Wizards About Us
mccme.ru screenshot

Report Summary

  • 99

    Performance

    Renders faster than
    96% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 70% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 87

    SEO

    Google-friendlier than
    66% of websites

mccme.ru

MCCME: Moscow Center for Continuous Mathematical Education

Page Load Speed

2.9 sec in total

First Response

1.1 sec

Resources Loaded

1.7 sec

Page Rendered

121 ms

mccme.ru screenshot

About Website

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

МЦНМО - Московский Центр Непрерывного Математического Образования

Visit mccme.ru

Key Findings

We analyzed Mccme.ru page load time and found that the first response time was 1.1 sec and then it took 1.9 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

mccme.ru performance score

99

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.7 s

92/100

10%

LCP (Largest Contentful Paint)

Value1.7 s

99/100

25%

SI (Speed Index)

Value2.5 s

98/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.7 s

100/100

10%

Network Requests Diagram

www.mccme.ru

1066 ms

logo006699.gif

256 ms

t-top-left.gif

258 ms

t-top.gif

258 ms

t-top-right.gif

259 ms

Our browser made a total of 13 requests to load all elements on the main page. We found that 85% of them (11 requests) were addressed to the original Mccme.ru, 8% (1 request) were made to Top100-images.rambler.ru and 8% (1 request) were made to Counter.rambler.ru. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Mccme.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 15.8 kB (80%)

Content Size

19.8 kB

After Optimization

3.9 kB

  • HTML

In fact, the total size of Mccme.ru main page is 19.8 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. HTML takes 19.8 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 15.8 kB

  • Original 19.8 kB
  • After minification 14.6 kB
  • After compression 3.9 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 5.2 kB, which is 26% 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 15.8 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (83%)

Requests Now

12

After Optimization

2

  • Images

The browser has sent 12 CSS, Javascripts, AJAX and image requests in order to completely render the main page of MCCME. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

www.mccme.ru

www.mccme.ru

1066 ms

logo006699.gif

logo006699.gif

256 ms

t-top-left.gif

t-top-left.gif

258 ms

t-top.gif

t-top.gif

258 ms

t-top-right.gif

t-top-right.gif

259 ms

t-left.gif

t-left.gif

260 ms

t.gif

t.gif

261 ms

t-right.gif

t-right.gif

366 ms

t-bottom-left.gif

t-bottom-left.gif

371 ms

t-bottom.gif

t-bottom.gif

374 ms

t-bottom-right.gif

t-bottom-right.gif

374 ms

banner-88x31-rambler-blue.gif

banner-88x31-rambler-blue.gif

248 ms

top100.cnt

top100.cnt

250 ms

Accessibility Review

mccme.ru accessibility score

88

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

Best Practices

mccme.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

SEO Factors

mccme.ru SEO score

87

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

robots.txt is not valid

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

    N/A

  • Encoding

    KOI8-R

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Mccme.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 Mccme.ru main page’s claimed encoding is koi8-r. 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

mccme.ru

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