Access centrohost.ru. Регистратор R01 - регистрация доменов. Домены второго уровня в зонах .ru и .su. Регистрация IP-адрес...

name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

15/100

10%

LCP (Largest Contentful Paint)

Value6.9 s

6/100

25%

SI (Speed Index)

Value5.5 s

54/100

10%

TBT (Total Blocking Time)

Value260 ms

83/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value7.6 s

47/100

10%

centrohost.ru

544 ms

www.r01.ru

858 ms

style.css

272 ms

template_styles.css

272 ms

whois.js

274 ms

Our browser made a total of 55 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Centrohost.ru, 85% (47 requests) were made to R01.ru and 5% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (998 ms) relates to the external source R01.ru.

Content Size

395.7 kB

After Optimization

225.1 kB

In fact, the total size of Centrohost.ru main page is 395.7 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. 25% of websites need less resources to load. Images take 183.5 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 43.9 kB

Original 57.4 kB
After minification 53.2 kB
After compression 13.4 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 43.9 kB or 77% of the original size.

Image Optimization

-27%

Potential reduce by 49.3 kB

Original 183.5 kB
After minification 134.2 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. Obviously, Centrohost needs image optimization as it can save up to 49.3 kB or 27% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-50%

Potential reduce by 77.2 kB

Original 154.6 kB
After minification 148.2 kB
After compression 77.4 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 77.2 kB or 50% of the original size.

CSS Optimization

-52%

Potential reduce by 142 B

Original 275 B
After minification 196 B
After compression 133 B

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. Centrohost.ru needs all CSS files to be minified and compressed as it can save up to 142 B or 52% of the original size.

Requests Now

After Optimization

The browser has sent 52 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Centrohost. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

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

High

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

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Areas of Improvement

High

Does not use HTTPS

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

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 Centrohost.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 Centrohost.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

centrohost.ru

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

Регистратор R01 - регистрация доменов. Домены второго уровня в зонах .ru и .su. Регистрация IP-адресов и автономных систем

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

centrohost.ru

www.r01.ru

style.css

template_styles.css

whois.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

centrohost.ru

www.r01.ru

style.css

template_styles.css

whois.js

jquery.js

jquery.color.js

flash_detect.js

top100.jcn

banner-88x31-rambler-blue.gif

bg_top.jpg

arr.gif

online.jpg

banner_r01_host.gif

wmkeeper.png

yaden.png

visa.gif

mastercard.gif

rbk_money.png

part-rus-04.png

host-rus-04.png

dot_rf.gif

banner_runet_frient.gif

part_action.jpg

i1.jpg

i2.jpg

i3.jpg

i4.jpg

i5.jpg

park.png

sms16.png

acl_16.png

bar01_16_2.png

R01-garant-button2.png

whoishistory.gif

rss_feed.gif

twitter_icon.gif

vk.png

facebook.png

ga.js

analytics.js

logo_light.png

logo.png