Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 73% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    47% of websites

  • 58

    SEO

    Google-friendlier than
    30% of websites

ilib.mccme.ru

Internet-biblioteka po matematike.

Page Load Speed

3.1 sec in total

First Response

971 ms

Resources Loaded

1.3 sec

Page Rendered

871 ms

ilib.mccme.ru screenshot

About Website

Click here to check amazing Ilib Mccme content for Russia. Otherwise, check out these important facts you probably never knew about ilib.mccme.ru

Visit ilib.mccme.ru

Key Findings

We analyzed Ilib.mccme.ru page load time and found that the first response time was 971 ms and then it took 2.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

ilib.mccme.ru performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.8 s

100/100

10%

LCP (Largest Contentful Paint)

Value0.8 s

100/100

25%

SI (Speed Index)

Value2.0 s

99/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value0.8 s

100/100

10%

Network Requests Diagram

ilib.mccme.ru

971 ms

banner-88x31-rambler-blue.gif

268 ms

top100.cnt

266 ms

logo006699.gif

156 ms

fml.jpg

313 ms

Our browser made a total of 6 requests to load all elements on the main page. We found that 67% of them (4 requests) were addressed to the original Ilib.mccme.ru, 17% (1 request) were made to Top100-images.rambler.ru and 17% (1 request) were made to Counter.rambler.ru. The less responsive or slowest element that took the longest time to load (971 ms) belongs to the original domain Ilib.mccme.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 39.0 kB (71%)

Content Size

54.9 kB

After Optimization

15.9 kB

In fact, the total size of Ilib.mccme.ru main page is 54.9 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only 5% of websites need less resources to load. HTML takes 51.8 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 38.6 kB

  • Original 51.8 kB
  • After minification 51.2 kB
  • After compression 13.2 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 38.6 kB or 74% of the original size.

Image Optimization

-14%

Potential reduce by 439 B

  • Original 3.1 kB
  • After minification 2.6 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. Obviously, Ilib Mccme needs image optimization as it can save up to 439 B or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

Requests Breakdown

We found no issues to fix!

Requests Now

5

After Optimization

5

The browser has sent 5 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ilib Mccme. According to our analytics all requests are already optimized.

Accessibility Review

ilib.mccme.ru accessibility score

87

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

ilib.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

ilib.mccme.ru SEO score

58

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

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 Ilib.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 Ilib.mccme.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 Ilib 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: