rtfm.co.ua ▷ RTFM: Linux, DevOps, and system administration

Quick Summary

Online Status

Offline

Server IP address resolved: No
Http response code: None
Last Checked: 05/19/2024

Rtfm.co.ua traffic volume is 1,965 unique daily visitors and their 2,357 pageviews. The web value rate of rtfm.co.ua is 42,179 USD. Each visitor makes around 1.28 page views on average.

By Alexa's traffic estimates rtfm.co.ua placed at 687,640 position over the world, while the largest amount of its visitors comes from Russian Federation, where it takes 36,939 place.

Rtfm.co.ua is hosted by CLOUDFLARENET - Cloudflare, Inc., US in Germany; however, we recommend migrating the server to Russian Federation, as it will speed up rtfm.co.ua page load time for the majority of users. See the list of other web pages hosted by CLOUDFLARENET - Cloudflare, Inc., US.

Rtfm.co.ua registered under .UA top-level domain. Check other websites in .UA zone.

The last verification results, performed on (November 25, 2019) rtfm.co.ua show that rtfm.co.ua has an expired SSL certificate issued by Let's Encrypt (expired on January 11, 2020). Click “Refresh” button for SSL Information at the Safety Information section. Check the list of websites using SSL certificates issued by Let's Encrypt.

In accordance with Google Safe Browsing, Google Safe Search, Symantec and Web of Trust rtfm.co.ua is pretty a safe domain.

Relying Google MobileFriendly test rtfm.co.ua is well optimized for mobile and tablet devices, however web page loading speed may be improved.

Rtfm.co.ua General Information

Global Rank

312,739

Average Load Time

4.71sec

Links In Count

Website Value

$39,420

Audience Geography. Where are rtfm.co.ua visitors located?

Country	Visitors
Russian Federation RU	40%
Germany DE	9.4%
Ukraine UA	5.9%
Azerbaijan AZ	5%
United States US	3.8%
Kazakhstan KZ	2.6%
Uzbekistan UZ	2%
Belarus BY	2%
Other	29.4%

Country	Pageviews
Russian Federation RU	39.7%
Azerbaijan AZ	9.4%
Germany DE	8%
Ukraine UA	7.9%
United States US	3.3%
Kazakhstan KZ	2.9%
Uzbekistan UZ	1.8%
Belarus BY	1.8%
Other	25.2%

Country	Rank
Uzbekistan UZ	24750
Azerbaijan AZ	27544
Ukraine UA	30369
Kazakhstan KZ	31552
Belarus BY	35153
Russian Federation RU	36939
Germany DE	119276
United States US	795613

Where do visitors go on rtfm.co.ua?

Subdomain	Pageviews
rtfm.co.ua	100%

Subdomain	Pageviews per User
rtfm.co.ua	1.2

Subdomain	Reach
rtfm.co.ua	100%

How popular is rtfm.co.ua?

Period	Global Rank	Global Rank Delta
past 3 months	312739	-16631
past month	297151	-39532
past week	212735	-127977
yesterday	82162	-583534

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	499296	-25380	7	9%	1.2	0.8%
30	484837	-51325	7	10%	1.2	-3.28%
7	372488	-157737	1	60%	1	-16.28%
1	146627	-665354	4	1000%	1	-7.339%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	259969	-12926	21	9%
30	245970	-36755	23	20%
7	171014	-117944	4	90%
1	60637	-492825	10	1000%

Rtfm.co.ua Safety Information

Overview

Last Updated: 05/19/2024

Overall result - rtfm.co.ua is safe.

We gather website safety and reputation data and compare it with available third-party sources so we calculate own safety and trustworthiness rate based on information that we get.

Norton Connect Safe

Last Updated: 03/28/2024

rtfm.co.ua is safe.

Norton ConnectSafe evaluates rtfm.co.ua for any unsafe and insecure content. The results are critical for families with young children.

Google Safe Search

Last Updated: 11/28/2016

rtfm.co.ua is safe.

SafeSearch is used as a parental control tool to filter out any inappropriate for your children search results on your devices: phones, tablets or personal computers.

Google Safe Browsing

Last Updated: 01/09/2019

rtfm.co.ua is safe.
Malware: not found.
Phishing: not detected.
Unwanted software: not found.
Harmfull applications: not found.

Google Safe Browsing notifies when websites are compromised by malicious actors. These protections work across Google products and provide a safer online experience.

Site Advisor

Last Updated: 02/23/2021

rtfm.co.ua is safe.

McAfee assesses rtfm.co.ua for a meaningful set of security threats. Featured dangers from annoying pop-ups to hidden Trojans, that can steal your identity, will be revealed. McAfee does not analyze rtfm.co.ua for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Last Updated: 01/10/2019

rtfm.co.ua child safety is very good.

The WOT calculates reputation of the rtfm.co.ua. This reputation system receives ratings from users and information from third-party sources, assesses the rtfm.co.ua for safety features and confirms, whether rtfm.co.ua is suitable for children.

SSL Information

SSL Checker Tool

Domain	rtfm.co.ua
Issuer Organization	Let's Encrypt
Issuer	Let's Encrypt Authority X3
Algorithm	RSA-SHA256
Valid form	10/13/2019
Expiration	01/11/2020
Signed	Certificate is not self signed
Additional Domains	rtfm.co.ua

Rtfm.co.ua Server Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 13335
ASN Title: CLOUDFLARENET - Cloudflare, Inc., US

Last Update: 10/13/2023

ASN Whois

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/whois_tou.html
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/whois_reporting/index.html
#
# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#

ASNumber: 13335
ASName: CLOUDFLARENET
ASHandle: AS13335
RegDate: 2010-07-14
Updated: 2017-02-17
Comment: All Cloudflare abuse reporting can be done via https://www.cloudflare.com/abuse
Ref: https://rdap.arin.net/registry/autnum/13335

OrgName: Cloudflare, Inc.
OrgId: CLOUD14
Address: 101 Townsend Street
City: San Francisco
StateProv: CA
PostalCode: 94107
Country: US
RegDate: 2010-07-09
Updated: 2017-02-17
Comment: All Cloudflare abuse reporting can be done via https://www.cloudflare.com/abuse
Ref: https://rdap.arin.net/registry/entity/CLOUD14

OrgTechHandle: ADMIN2521-ARIN
OrgTechName: Admin
OrgTechPhone: +1-650-319-8930
OrgTechEmail: rir@cloudflare.com
OrgTechRef: https://rdap.arin.net/registry/entity/ADMIN2521-ARIN

OrgAbuseHandle: ABUSE2916-ARIN
OrgAbuseName: Abuse
OrgAbusePhone: +1-650-319-8930
OrgAbuseEmail: abuse@cloudflare.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE2916-ARIN

OrgNOCHandle: NOC11962-ARIN
OrgNOCName: NOC
OrgNOCPhone: +1-650-319-8930
OrgNOCEmail: noc@cloudflare.com
OrgNOCRef: https://rdap.arin.net/registry/entity/NOC11962-ARIN

RNOCHandle: NOC11962-ARIN
RNOCName: NOC
RNOCPhone: +1-650-319-8930
RNOCEmail: noc@cloudflare.com
RNOCRef: https://rdap.arin.net/registry/entity/NOC11962-ARIN

RTechHandle: ADMIN2521-ARIN
RTechName: Admin
RTechPhone: +1-650-319-8930
RTechEmail: rir@cloudflare.com
RTechRef: https://rdap.arin.net/registry/entity/ADMIN2521-ARIN

RAbuseHandle: ABUSE2916-ARIN
RAbuseName: Abuse
RAbusePhone: +1-650-319-8930
RAbuseEmail: abuse@cloudflare.com
RAbuseRef: https://rdap.arin.net/registry/entity/ABUSE2916-ARIN

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/whois_tou.html
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/whois_reporting/index.html
#
# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#

Rtfm.co.ua Domain Name Information

WHOIS

WHOIS Lookup Tool

Domain Whois

% Request from 167.99.102.248
% This is the Ukrainian Whois query server #A.
% The Whois is subject to Terms of use
% See https://hostmaster.ua/services/
%
% IN THE PROCESS OF DELEGATION OF A DOMAIN NAME,
% THE REGISTRANT IS AN ENTITY WHO USES AND MANAGES A CERTAIN DOMAIN NAME,
% AND THE REGISTRAR IS A BUSINESS ENTITY THAT PROVIDES THE REGISTRANT
% WITH THE SERVICES NECESSARY FOR THE TECHNICAL MAINTENANCE OF THE REGISTRATION AND OPERATION OF THE DOMAIN NAME.
% FOR INFORMATION ABOUT THE REGISTRANT OF THE DOMAIN NAME, YOU SHOULD CONTACT THE REGISTRAR.

Unimplemented object service.

DNS Records

DNS Lookup Tool

Host	A Record	TTL
rtfm.co.ua	67.207.75.202	3600

Host	MX Record	Priority	TTL
rtfm.co.ua	mail.setevoy.org.ua	10	3600

Host	NS Record	TTL
rtfm.co.ua	delta.freehost.com.ua	3600
rtfm.co.ua	alpha.freehost.com.ua	3600
rtfm.co.ua	beta.freehost.com.ua	3600
rtfm.co.ua	gamma.freehost.com.ua	3600

Host	TXT Record	TTL
rtfm.co.ua	keybase-site-verification=-GDKuZ_de60ENEsB0PrlVBRv6c_cTdgJ_kaEJAjVo2g	3600
rtfm.co.ua		3600

alpha.freehost.com.ua
TTL: 3600
Email address: domainmaster.dns82.net
Serial: 2018090601
Refresh: 14400
Retry: 3600
Expire: 604800
Minimum: 86400

Rtfm.co.ua HTML Validation

HTML Validation Tool

Errors

Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.

Attribute “...” not allowed on element “br” at this point.

Element “nobr” not allowed as child of element “td” in this context. (Suppressing further errors from this subtree.)

Element “gcse:search” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)

The “align” attribute on the “div” element is obsolete. Use CSS instead.

The “align” attribute on the “img” element is obsolete. Use CSS instead.

Element “noindex” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)

Duplicate attribute “rel”.

Element “tbody” not allowed as child of element “table” in this context. (Suppressing further errors from this subtree.)

An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.

Warnings

The “banner” role is unnecessary for element “header”.

Attribute “...” is not serializable as XML 1.0.

The “navigation” role is unnecessary for element “nav”.

Element name “gcse:search” cannot be represented as XML 1.0.

The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.

The “contentinfo” role is unnecessary for element “footer”.

This document appears to be written in Russian but the “html” start tag has “lang="en-US"”. Consider using “lang="ru"” (or variant) instead.

Rtfm.co.ua Desktop Insights

Last tested: 11/27/2018

Desktop

Desktop Speed

70%

Leverage browser caching

Eliminate render-blocking JavaScript and CSS in above-the-fold content

Optimize images

Reduce server response time

Minify CSS

Enable compression

Minify JavaScript

Desktop Resource Breakdown

Total Resources	114
Number of Hosts	18
Static Resources	90
JavaScript Resources	45
CSS Resources	25

Rtfm.co.ua Mobile Insights

Last tested: 11/27/2018

Mobile

Mobile Usability

97%

Size tap targets appropriately

Mobile Speed

57%

Leverage browser caching

Eliminate render-blocking JavaScript and CSS in above-the-fold content

Optimize images

Reduce server response time

Minify CSS

Enable compression

Minify JavaScript

Mobile Resource Breakdown

Total Resources	114
Number of Hosts	18
Static Resources	88
JavaScript Resources	43
CSS Resources	25

Rtfm.co.ua Typos

www.rtfm.com
www.rtfm.net
www.rtfm.org
www.rtfm.info
www.rtfm.biz
www.rtfm.us
www.rtfm.mobi
www.tfm.co.ua
www.rtfm.co.ua
www.etfm.co.ua
www.retfm.co.ua
www.ertfm.co.ua
www.dtfm.co.ua
www.rdtfm.co.ua
www.drtfm.co.ua
www.ftfm.co.ua
www.rftfm.co.ua
www.frtfm.co.ua
www.ttfm.co.ua
www.rttfm.co.ua
www.trtfm.co.ua
www.rfm.co.ua
www.rrfm.co.ua
www.rtrfm.co.ua
www.rrtfm.co.ua
www.rffm.co.ua
www.rtffm.co.ua
www.rgfm.co.ua
www.rtgfm.co.ua
www.rgtfm.co.ua
www.ryfm.co.ua
www.rtyfm.co.ua
www.rytfm.co.ua
www.rtm.co.ua
www.rtcm.co.ua
www.rtfcm.co.ua
www.rtcfm.co.ua
www.rtdm.co.ua
www.rtfdm.co.ua
www.rtdfm.co.ua
www.rtrm.co.ua
www.rtfrm.co.ua
www.rttm.co.ua
www.rtftm.co.ua
www.rtgm.co.ua
www.rtfgm.co.ua
www.rtvm.co.ua
www.rtfvm.co.ua
www.rtvfm.co.ua
www.rtf.co.ua
www.rtfn.co.ua
www.rtfmn.co.ua
www.rtfnm.co.ua
www.rtfj.co.ua
www.rtfmj.co.ua
www.rtfjm.co.ua
www.rtfk.co.ua
www.rtfmk.co.ua
www.rtfkm.co.ua

Rtfm.co.ua RTFM: Linux, DevOps, and system administration

DevOps-engineering and system administration. Cases from practice.

Quick Summary

Rtfm.co.ua General Information

Rtfm.co.ua Safety Information

Rtfm.co.ua Server Information

Rtfm.co.ua Domain Name Information

Rtfm.co.ua HTML Validation

Rtfm.co.ua Desktop Insights

Rtfm.co.ua Mobile Insights

Rtfm.co.ua Nearest Competitors

Rtfm.co.ua Typos