ref.by - REF.BY - коллекция рефератов, сочинений, курсовых и дипломных работ

Quick Summary

Online Status

Online

Server IP address resolved: Yes
Http response code: 200
Response time: 0.87 sec.
Last Checked: 02/07/2023

Over the time ref.by has been ranked as high as 46,904 in the world, while most of its traffic comes from Russian Federation, where it reached as high as 32,750 position.

Ref.by receives about 1,300 unique visitors and 1,560 pageviews per day. The estimated value of ref.by is 21,900 USD. Each unique visitor makes about 1.2 pageviews on average.

Ref.by is registered under .BY top-level domain. Check other websites in .BY zone.

At the time of the last check (May 02, 2024) ref.by has an invalid SSL certificate.

According to Google Safe Browsing, Google Safe Search, Symantec and Web of Trust ref.by is quite a safe domain.

Mobile-Friendly test indicates that ref.by is well optimized for mobile and tablet devices.

Ref.by General Information

Global Rank

441,519

Average Load Time

0.56sec

Links In Count

320

Website Value

$21,900

Audience Geography. Where are ref.by visitors located?

Country	Rank
Belarus BY	9824
Kyrgyzstan KG	15560
Kazakhstan KZ	19789
Russian Federation RU	32750
Uzbekistan UZ	38299
Ukraine UA	46592

Country	Percent of Pageviews
Russian Federation RU	61%
Belarus BY	11.8%
Kazakhstan KZ	6.5%
Ukraine UA	5%
Uzbekistan UZ	1.3%
Kyrgyzstan KG	0.6%
Other	13.9%

Country	Percent of Visitors
Russian Federation RU	62.1%
Belarus BY	11.8%
Kazakhstan KZ	6.7%
Ukraine UA	5.2%
Uzbekistan UZ	1.3%
Kyrgyzstan KG	0.6%
Other	12.3%

Where do visitors go on ref.by?

Subdomain	Pageviews
ref.by	81.95%
otvet.ref.by	16.22%
soch.ref.by	1.46%
other	0.37%

Subdomain	Pageviews per User
otvet.ref.by	3.8
ref.by	1.1
soch.ref.by	1

Subdomain	Reach
ref.by	92.95%
otvet.ref.by	5.25%
soch.ref.by	1.8%

How popular is ref.by?

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	371084	-50283	13	18%
30	319371	-2060	16	4%
7	321612	-16994	18	10%
1	584542	200504	1	-36.94%

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	684455	-117454	4	25%	1.2	6%
30	598223	-2850	5	3%	1.2	0%
7	610688	-50312	6	10%	1.2	2%
1	717302	136615	4	-32.86%	1.5	7%

Period	Global Rank	Global Rank Delta
past 3 months	441519	-68398
past month	379611	-1223
past week	384896	-28115
yesterday	614289	190227

Alexa Rank shows how popular ref.by is in comparison with other sites. The most popular site has Alexa Rank equals 1. If ref.by has Alexa Rank equals 100,000, then it is in TOP 100,000 popular sites in the world. The rank is calculated using a combination of average daily visitors to ref.by and pageviews on ref.by over the past 3 months.

Ref.by Safety Information

Overview

Last Updated: 05/02/2024

Overall result - "ref.by" 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: 03/24/2024

ref.by is safe.

Norton ConnectSafe evaluates ref.by for any unsafe and insecure content. The results are critical for families with young children.

Google Safe Search

Last Updated: 02/17/2019

ref.by 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

Malware not found at "ref.by".
"ref.by" is not a phishing page.
"ref.by" does not install unwanted software.
"ref.by" does not contain harmfull applications.
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: 02/24/2021

ref.by is safe.

McAfee assesses ref.by 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 ref.by for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Last Updated: 01/10/2019

ref.by child safety isvery good.

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

SSL Information

SSL Checker Tool

WARNING!	Certificate download error. Previous scan results are shown below.
WARNING!	Ref.by is not secured by SSL certificate.

Ref.by Server Information

Server Location

Geolocation Tool

Dusseldorf

Nordrhein-Westfalen

Germany

ASN Information

ASN Lookup Tool

ASN ID: 51698
ASN Title: Activehost RU Ltd.

Last Update: 10/05/2023

ASN Whois

% This is the RIPE Database query service.
% The objects are in RPSL format.
%
% The RIPE Database is subject to Terms and Conditions.
% See http://www.ripe.net/db/support/db-terms-conditions.pdf

% Note: this output has been filtered.
% To receive output for a database update, use the "-B" flag.

% Information related to 'AS47104 - AS52223'

as-block: AS47104 - AS52223
descr: RIPE NCC ASN block
remarks: These AS Numbers are assigned to network operators in the RIPE NCC service region.
mnt-by: RIPE-NCC-HM-MNT
created: 2015-09-30T14:19:22Z
last-modified: 2015-09-30T14:19:22Z
source: RIPE

% Information related to 'AS51698'

% Abuse contact for 'AS51698' is 'abuse@active.by'

aut-num: AS51698
as-name: ACTIVEHOST-RU-AS
org: ORG-ARL5-RIPE
import: from AS9002 action pref=100; accept ANY
export: to AS9002 announce AS51698
import: from AS39792 action pref=100; accept ANY
export: to AS39792 announce AS51698
import: from AS49063 action pref=100; accept ANY
export: to AS49063 announce AS51698
import: from AS197068 action pref=100; accept ANY
export: to AS197068 announce AS51698
import: from AS199599 action pref=100; accept ANY
export: to AS199599 announce AS51698
admin-c: AP9797-RIPE
tech-c: AP9797-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: MNT-ACTIVEHOST-RU
mnt-routes: MNT-ACTIVEHOST-RU
created: 2010-10-21T12:17:32Z
last-modified: 2017-11-15T12:18:58Z
source: RIPE
mp-import: afi ipv6.unicast from AS49063 action pref=100; accept ANY
mp-export: afi ipv6.unicast to AS49063 announce AS51698
mp-import: afi ipv6.unicast from AS199599 action pref=90; accept ANY
mp-export: afi ipv6.unicast to AS199599 announce AS51698
sponsoring-org: ORG-NA225-RIPE

organisation: ORG-ARL5-RIPE
org-name: Activehost RU Ltd.
org-type: OTHER
address: 115114, Moscow
address: Derbenevskaya nab. 7, bld. 8
admin-c: ATD26-RIPE
tech-c: ATD26-RIPE
abuse-c: AC30714-RIPE
mnt-ref: MNT-ACTIVEHOST-RU
mnt-by: MNT-ACTIVEHOST-RU
created: 2010-10-18T16:04:56Z
last-modified: 2017-10-30T14:44:33Z
source: RIPE # Filtered

person: Alexander Ponamarchuk
address: "Active Technologies" LLC
address: 42, Kalvariyskaya str.
address: 220073, Minsk, Belarus
phone: +375 29 7979740
nic-hdl: AP9797-RIPE
remarks: tech contact for "Active Technologies" LLC
mnt-by: AP9797-RIPE-MNT
created: 2010-04-20T10:01:50Z
last-modified: 2016-08-10T09:22:40Z
source: RIPE # Filtered

% This query was served by the RIPE Database Query Service version 1.91.2 (WAGYU)

Ref.by Domain Name Information

WHOIS

WHOIS Lookup Tool

Domain Whois

Domain Name: ref.by
Registrar: Open Contact, Ltd
Person: HIDDEN!
Email: HIDDEN! Details are available at http://www.cctld.by/whois/
Name Server: ns1.activeby.net
Name Server: ns2.activeby.net
Updated Date: 2021-03-11
Creation Date: 2006-10-09
Expiration Date: 2021-10-04

-------------------------------------------
Service provided by Reliable Software, Ltd.

DNS Records

DNS Lookup Tool

Host	A Record	TTL
ref.by	5.104.111.210	3600

Host	MX Record	Priority	TTL
ref.by	mx.yandex.ru	20	3600

Host	NS Record	TTL
ref.by	ns3.activeby.net	3600
ref.by	ns2.activeby.net	3600
ref.by	ns1.activeby.net	3600

Host	TXT Record	TTL
ref.by	v=spf1 redirect=_spf.yandex.ru	3600

ns1.activeby.net
TTL: 3600
Email address: contextus.mail.ru
Serial: 1267087710
Refresh: 14400
Retry: 7200
Expire: 2419200
Minimum: 3600

Ref.by HTML Validation

HTML Validation Tool

Errors

Malformed byte sequence: “d0”.

Malformed byte sequence: “e5”.

Malformed byte sequence: “f4”.

Malformed byte sequence: “f0”.

Malformed byte sequence: “e0”.

Malformed byte sequence: “f2”.

Malformed byte sequence: “fb”.

Malformed byte sequence: “f1”.

Malformed byte sequence: “ee”.

Malformed byte sequence: “f7”.

Malformed byte sequence: “e8”.

Malformed byte sequence: “ed”.

Malformed byte sequence: “ff”.

Malformed byte sequence: “e7”.

Malformed byte sequence: “eb”.

Malformed byte sequence: “e6”.

Malformed byte sequence: “ce”.

Malformed byte sequence: “e3”.

Malformed byte sequence: “ec”.

Malformed byte sequence: “e9”.

Malformed byte sequence: “f8”.

Malformed byte sequence: “ea”.

Malformed byte sequence: “f6”.

Malformed byte sequence: “e2”.

Malformed byte sequence: “e1”.

Malformed byte sequence: “c2”.

Malformed byte sequence: “f3”.

Malformed byte sequence: “ef”.

Start tag seen without seeing a doctype first. Expected “<!DOCTYPE html>”.

Internal encoding declaration “windows-1251” disagrees with the actual encoding of the document (“utf-8”).

Attribute “bottommargin” not allowed on element “body” at this point.

Attribute “leftmargin” not allowed on element “body” at this point.

Attribute “topmargin” not allowed on element “body” at this point.

Attribute “rightmargin” not allowed on element “body” at this point.

The “marginheight” attribute on the “body” element is obsolete. Use CSS instead.

The “marginwidth” attribute on the “body” element is obsolete. Use CSS instead.

Attribute “height” not allowed on element “table” at this point.

The “width” attribute on the “table” element is obsolete. Use CSS instead.

The “cellspacing” attribute on the “table” element is obsolete. Use CSS instead.

The “cellpadding” attribute on the “table” element is obsolete. Use CSS instead.

The “border” attribute on the “table” element is obsolete. Use CSS instead.

The “width” attribute on the “td” element is obsolete. Use CSS instead.

The “height” attribute on the “td” element is obsolete. Use CSS instead.

The “valign” attribute on the “td” element is obsolete. Use CSS instead.

The “bgcolor” attribute on the “td” element is obsolete. Use CSS instead.

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

Attribute “background” not allowed on element “td” at this point.

Malformed byte sequence: “c3”.

Malformed byte sequence: “d1”.

Malformed byte sequence: “c8”.

Malformed byte sequence: “c4”.

Malformed byte sequence: “c7”.

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

Malformed byte sequence: “cd”.

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

The “language” attribute on the “script” element is obsolete. Use the “type” attribute instead.

Malformed byte sequence: “cf”.

Malformed byte sequence: “f9”.

Malformed byte sequence: “e4”.

Malformed byte sequence: “fc”.

The “font” element is obsolete. Use CSS instead.

Warnings

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

The “language” attribute on the “script” element is obsolete. You can safely omit it.

Ref.by Desktop Insights

Desktop Page Insights Tool

Last tested: 05/31/2017

Desktop

Desktop Speed

93%

Leverage browser caching

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

Optimize images

Desktop Resource Breakdown

Total Resources	12
Number of Hosts	5
Static Resources	8
JavaScript Resources	3
CSS Resources	1

Ref.by Mobile Insights

Mobile Page Insights Tool

Last tested: 05/31/2017

Mobile

Mobile Usability

61%

Use legible font sizes

Size tap targets appropriately

Configure the viewport

Mobile Speed

86%

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

Leverage browser caching

Optimize images

Mobile Resource Breakdown

Total Resources	12
Number of Hosts	5
Static Resources	8
JavaScript Resources	3
CSS Resources	1

Ref.by Typos

www.ref.com
www.ref.net
www.ref.org
www.ref.info
www.ref.biz
www.ref.us
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www.eef.by
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www.eref.by
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www.rfef.by
www.fref.by
www.tef.by
www.rtef.by
www.tref.by
www.rf.by
www.rwf.by
www.rewf.by
www.rwef.by
www.rsf.by
www.resf.by
www.rsef.by
www.rdf.by
www.redf.by
www.rrf.by
www.rerf.by
www.rref.by
www.re.by
www.rec.by
www.refc.by
www.recf.by
www.red.by
www.refd.by
www.rer.by
www.refr.by
www.ret.by
www.reft.by
www.retf.by
www.reg.by
www.refg.by
www.regf.by
www.rev.by
www.refv.by
www.revf.by

Ref.by REF.BY - коллекция рефератов, сочинений, курсовых и дипломных работ

Огромнейшая коллекция рефератов (более 150 000 рефератов). Все рефераты и курсовые работы бесплатны.

Quick Summary

Ref.by General Information

Ref.by Alexa Rank History

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Ref.by HTML Validation

Ref.by Desktop Insights

Ref.by Mobile Insights

Ref.by Nearest Competitors

Ref.by Typos