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

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

Ref.by Quick Summary

Status

Online

Server IP address resolved: Yes

Http response code: 200

Response time: 0.87 sec.

Last Checked: 05/16/2024

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Ref.by traffic estimate is about 1,300 unique visitors and 1,560 pageviews per day. The approximated value of ref.by is 21,900 USD. Every unique visitor makes about 1.2 pageviews on average.

Alexa Traffic Rank estimates that ref.by is ranked number 46,904 in the world, while most of its traffic comes from Russian Federation, where it occupies as high as 32,750 place.

ref.by is hosted by Activehost RU Ltd in Germany and we recommend relocating the server to Russian Federation, as it will speed up ref.by page load time for the majority of their users. See the list of other websites hosted by Activehost RU Ltd.

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

During the last check (May 16, 2024) ref.by has an invalid SSL certificate. please click the “Refresh” button for SSL Information at the Safety Information section.

In accordance with Google Safe Browsing, Google Safe Search, Symantec and Web of Trust ref.by is pretty a safe domain.

Relying on Google Mobile-Friendly test ref.by is well optimized for mobile and tablet devices.

Ref.by General Information

Ref.by Audience Geography

Where are website visitors coming from?

Visitors
Pageviews
Ranks

Country	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%

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

Ref.by Traffic Distribution

Where do visitors go on ref.by?

Subdomain Traffic
Views per User
Subdomain Reach

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

Subdomain	Views 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%

Ref.by Popularity

How popular is ref.by?

Global Rank
Pageviews
Reach

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

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%

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%

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Ref.by Safety Information

Rankchart Summary

Safe

Updated: 05/16/2024

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

Safe

Updated: 03/24/2024

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Norton ConnectSafe evaluates websites for any unsafe and inapropriate content. The results are important for families with young children.

Google Safe Search

Safe

Updated: 02/17/2019

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SafeSearch works as a parental control tool to filter out any content that might be inappropriate for your children.

Google Safe Browsing

Safe

Malware not found

Phishing not detected

Unwanted software not found

Harmfull applications not found

Updated: 01/09/2019

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

McAfee® WebAdvisor

Safe

Updated: 02/24/2021

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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

Child safety is very good

Updated: 01/10/2019

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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.

Ref.by SSL Information

Information about SSL/TLS certificates

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WARNING!	Certificate download error. Previous scan results are shown below.
Domain	Unknown
Issuer Organization	Unknown
Issuer	Unknown
Algorithm	Unknown
Valid form	Unknown
Expiration	Unknown
Signed	No information
Additional Domains

SSL Checker

Ref.by Server Information

Ref.by Server Location

Where website hosting server is located?

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Ref.by ASN Information

Information about IP address owner

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ASN ID: 51698

ASN Title: Activehost RU Ltd.

Updated: 10/05/2023

Raw ASN data:

% 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)

Geolocation

ASN Lookup

Ref.by Domain Name Information

Ref.by DNS Information

Domain name service records

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A
MX
NS
TXT
SOA

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

Ref.by Whois Information

Information about registered users or assignees of an Internet resource

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Raw WHOIS data:

Whois

DNS Lookup

Ref.by HTML Validation

Ref.by W3C HTML Markup Validation

HTML markup errors and warnings

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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.

HTML Validator

Ref.by Desktop Performance

How Well Ref.by Performs On Desktops?

Website desktop performance and usability tips

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Speed
Resource Breakdown

Speed

93%

Leverage browser caching

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

Optimize images

Updated: 05/31/2017

Ref.by Mobile Performance

How Optimized Is Ref.by for Mobile Devices?

Tips on speeding up mobile site performance

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Usability
Speed
Resource Breakdown

Usability

61%

Use legible font sizes

Size tap targets appropriately

Configure the viewport

Updated: 05/31/2017

Ref.by URL Typos

Most common user URL mistypes for ref.by

www.ref.com
www.ref.net
www.ref.org
www.ref.info
www.ref.biz
www.ref.us
www.ref.mobi
www.ef.by
www.ref.by
www.eef.by
www.reef.by
www.eref.by
www.def.by
www.rdef.by
www.dref.by
www.fef.by
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

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

CSS	6.8 KBytes
Images	17.3 KBytes
HTML	7.8 KBytes
JavaScript	198.8 KBytes
Other	974.0 Bytes

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

CSS	6.8 KBytes
Images	17.3 KBytes
HTML	7.8 KBytes
JavaScript	198.8 KBytes
Other	972.0 Bytes