Access crn.ru. CRN.RU

name

value

score

weighting

FCP (First Contentful Paint)

Value4.7 s

12/100

10%

LCP (Largest Contentful Paint)

Value5.4 s

20/100

25%

SI (Speed Index)

Value7.7 s

25/100

10%

TBT (Total Blocking Time)

Value1,410 ms

16/100

30%

CLS (Cumulative Layout Shift)

Value0.284

42/100

15%

TTI (Time to Interactive)

Value18.1 s

3/100

10%

www.crn.ru

731 ms

imyie.littleadmin.css

247 ms

page_4914871b4c042e43ae8a081e2df63aab_4453fa2c9b4a6af1e183ddf0823ec6f5.css

251 ms

kernel_main.css

512 ms

kernel_main.js

1200 ms

Our browser made a total of 127 requests to load all elements on the main page. We found that 59% of them (75 requests) were addressed to the original Crn.ru, 10% (13 requests) were made to Vk.com and 8% (10 requests) were made to Static.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Crn.ru.

Content Size

1.1 MB

After Optimization

391.1 kB

In fact, the total size of Crn.ru main page is 1.1 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. Javascripts take 730.7 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 46.9 kB

Original 62.4 kB
After minification 61.0 kB
After compression 15.5 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 46.9 kB or 75% of the original size.

Image Optimization

-3%

Potential reduce by 4.7 kB

Original 186.1 kB
After minification 181.4 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. CRN images are well optimized though.

JavaScript Optimization

-76%

Potential reduce by 554.2 kB

Original 730.7 kB
After minification 593.0 kB
After compression 176.5 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 554.2 kB or 76% of the original size.

CSS Optimization

-84%

Potential reduce by 93.4 kB

Original 111.1 kB
After minification 91.0 kB
After compression 17.8 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. Crn.ru needs all CSS files to be minified and compressed as it can save up to 93.4 kB or 84% of the original size.

Requests Now

125

After Optimization

The browser has sent 125 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CRN. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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.

High

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

These are opportunities to improve the interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

Areas of Improvement

High

Does not use HTTPS

High

Requests the notification permission on page load

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

Search Engine Optimization Advices

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

High

Links are not crawlable

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

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 Crn.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 Crn.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

crn.ru

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

Report Summary

Performance

Accessibility

Best Practices

SEO

CRN.RU

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

www.crn.ru

imyie.littleadmin.css

page_4914871b4c042e43ae8a081e2df63aab_4453fa2c9b4a6af1e183ddf0823ec6f5.css

kernel_main.css

kernel_main.js

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

www.crn.ru

imyie.littleadmin.css

page_4914871b4c042e43ae8a081e2df63aab_4453fa2c9b4a6af1e183ddf0823ec6f5.css

kernel_main.css

kernel_main.js

main.css

menu.css

main.js

jquery-1.7.2.min.js

lightbox.js

lightbox.css

top25_2015.js

openapi.js

ba.js

logo.gif

menu3_about_off.gif

menu3_articles_off.gif

menu3_plan_off.gif

menu3_work_off.gif

menu3_subscribe_off.gif

menu3_rss_off.gif

menu3_auth_off.gif

pix.gif

ico-search.gif

cover-03_2016.jpg

li_sq.gif

n-109690.jpg

n-109627.jpg

n-109626.jpg

n-109618.jpg

n-109615.jpg

n-109566.jpg

np-109613.jpg

np-109459.jpg

np-109445.jpg

p-109571.jpg

p-109561.jpg

p-109534.jpg

p-109158.jpg

_IMG_2322.jpg

_breathe.jpg

HPE_logo.gif

tmax_logo.jpg