Report Summary

  • 78

    Performance

    Renders faster than
    85% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 48% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

crno.ru

Верим в гражданское общество. Развиваем людей, организации, территории

Page Load Speed

6.1 sec in total

First Response

784 ms

Resources Loaded

5 sec

Page Rendered

311 ms

crno.ru screenshot

About Website

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

Верим в гражданское общество, развиваем людей, организации, территории

Visit crno.ru

Key Findings

We analyzed Crno.ru page load time and found that the first response time was 784 ms and then it took 5.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

crno.ru performance score

78

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

74/100

10%

LCP (Largest Contentful Paint)

Value2.3 s

93/100

25%

SI (Speed Index)

Value5.6 s

53/100

10%

TBT (Total Blocking Time)

Value310 ms

77/100

30%

CLS (Cumulative Layout Shift)

Value0.149

76/100

15%

TTI (Time to Interactive)

Value5.4 s

72/100

10%

Network Requests Diagram

crno.ru

784 ms

reset.css

1126 ms

common.css

448 ms

template.css

455 ms

style.css

465 ms

Our browser made a total of 92 requests to load all elements on the main page. We found that 35% of them (32 requests) were addressed to the original Crno.ru, 13% (12 requests) were made to Vk.com and 11% (10 requests) were made to Static.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Crno.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 479.6 kB (33%)

Content Size

1.4 MB

After Optimization

952.8 kB

In fact, the total size of Crno.ru main page is 1.4 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 50% of websites need less resources to load. Images take 874.0 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 66.8 kB

  • Original 88.4 kB
  • After minification 85.8 kB
  • After compression 21.5 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 66.8 kB or 76% of the original size.

Image Optimization

-8%

Potential reduce by 70.3 kB

  • Original 874.0 kB
  • After minification 803.7 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. Crno images are well optimized though.

JavaScript Optimization

-72%

Potential reduce by 281.0 kB

  • Original 393.0 kB
  • After minification 325.4 kB
  • After compression 111.9 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 281.0 kB or 72% of the original size.

CSS Optimization

-80%

Potential reduce by 61.4 kB

  • Original 77.0 kB
  • After minification 62.7 kB
  • After compression 15.6 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. Crno.ru needs all CSS files to be minified and compressed as it can save up to 61.4 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 43 (52%)

Requests Now

83

After Optimization

40

The browser has sent 83 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Crno. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 26 to 1 for JavaScripts and from 19 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

crno.ru accessibility score

79

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

High

Links do not have a discernible name

Best Practices

crno.ru best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

crno.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

    UTF-8

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