Tools & Wizards About Us
cfr53.ru screenshot

Report Summary

  • 56

    Performance

    Renders faster than
    73% of other websites

  • 64

    Accessibility

    Visual factors better than
    that of 30% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

cfr53.ru

Муниципальное автономное образовательное учреждение дополнительного образования детей

Page Load Speed

2.7 sec in total

First Response

639 ms

Resources Loaded

1.8 sec

Page Rendered

257 ms

cfr53.ru screenshot

About Website

Welcome to cfr53.ru homepage info - get ready to check Cfr 53 best content for Russia right away, or after learning these important things about cfr53.ru

Муниципальное автономное образовательное учреждение дополнительного образования детей

Visit cfr53.ru

Key Findings

We analyzed Cfr53.ru page load time and found that the first response time was 639 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

cfr53.ru performance score

56

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

49/100

10%

LCP (Largest Contentful Paint)

Value3.8 s

56/100

25%

SI (Speed Index)

Value5.9 s

48/100

10%

TBT (Total Blocking Time)

Value440 ms

64/100

30%

CLS (Cumulative Layout Shift)

Value0.181

67/100

15%

TTI (Time to Interactive)

Value9.7 s

28/100

10%

Network Requests Diagram

cfr53.ru

639 ms

css

27 ms

style.css

149 ms

content.css

271 ms

h-nav.css

294 ms

Our browser made a total of 32 requests to load all elements on the main page. We found that 63% of them (20 requests) were addressed to the original Cfr53.ru, 25% (8 requests) were made to Fonts.gstatic.com and 9% (3 requests) were made to Api-maps.yandex.ru. The less responsive or slowest element that took the longest time to load (879 ms) belongs to the original domain Cfr53.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 46.0 kB (15%)

Content Size

317.1 kB

After Optimization

271.1 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Cfr53.ru main page is 317.1 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. 45% of websites need less resources to load. Images take 285.8 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 18.3 kB

  • Original 24.0 kB
  • After minification 21.8 kB
  • After compression 5.7 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 18.3 kB or 76% of the original size.

Image Optimization

-8%

Potential reduce by 22.5 kB

  • Original 285.8 kB
  • After minification 263.2 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. Cfr 53 images are well optimized though.

CSS Optimization

-71%

Potential reduce by 5.2 kB

  • Original 7.3 kB
  • After minification 6.3 kB
  • After compression 2.1 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. Cfr53.ru needs all CSS files to be minified and compressed as it can save up to 5.2 kB or 71% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (18%)

Requests Now

22

After Optimization

18

  • Images
  • JavaScript
  • CSS

The browser has sent 22 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cfr 53. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

cfr53.ru

cfr53.ru

639 ms

css

css

27 ms

style.css

style.css

149 ms

content.css

content.css

271 ms

h-nav.css

h-nav.css

294 ms

v-nav.css

v-nav.css

293 ms

logo.png

logo.png

444 ms

small_1.png

small_1.png

369 ms

small_2.png

small_2.png

368 ms

small_3.png

small_3.png

396 ms

minobr.png

minobr.png

699 ms

pr_no.png

pr_no.png

602 ms

do_no.png

do_no.png

588 ms

adm_vn.png

adm_vn.png

608 ms

komitet.jpg

komitet.jpg

659 ms

pobeda.png

pobeda.png

738 ms

614 ms

dir_photo.jpg

dir_photo.jpg

879 ms

top_bg.jpg

top_bg.jpg

592 ms

find.png

find.png

452 ms

email.png

email.png

492 ms

phone.png

phone.png

534 ms

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xjAJXh38I15wypJXxuGMBlwIJl2YiaXHM0xUx_ugXFg.ttf

67 ms

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69 ms

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70 ms

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66 ms

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68 ms

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67 ms

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69 ms

231 ms

266 ms

Accessibility Review

cfr53.ru accessibility score

64

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

cfr53.ru best practices score

67

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

cfr53.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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cfr53.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 Cfr53.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

cfr53.ru

Open Graph description is not detected on the main page of Cfr 53. 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: