Lektsii.net Лекции.Нет — конспекты и лекции

Лекции.Нет — это сбор конспектов и лекций разных предметов для студентов в обучении.

Lektsii.net Quick Summary

Status

Offline

Server IP address resolved: No

Http response code: None

Last Checked: 04/18/2024

Lektsii.net traffic estimate is about 6,542 unique visitors and 7,850 pageviews per day. The approximated value of lektsii.net is 140,160 USD. Every unique visitor makes about 1.2 pageviews on average.

Alexa Traffic Rank estimates that lektsii.net is ranked number 8,062 in the world, while most of its traffic comes from Russian Federation, where it occupies as high as 6,252 place.

It’s good for lektsii.net that their hosting company JSC "ISPsystem" is located in Russian Federation, as that provides the majority of their visitors to benefit from the faster page load time. See the list of other websites hosted by JSC "ISPsystem".

Lektsii.net is registered under .NET top-level domain. Check other websites in .NET zone.

During the last check (April 18, 2024) lektsii.net 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 lektsii.net is pretty a safe domain.

Relying on Google Mobile-Friendly test lektsii.net isn't optimized for mobile and tablet devices. Designing your websites to be mobile friendly ensures that your pages perform well on all devices.

Lektsii.net General Information

Lektsii.net Audience Geography

Where are website visitors coming from?

Visitors
Pageviews
Ranks

Country	Visitors
Russian Federation RU	55.5%
Kazakhstan KZ	14%
China CN	10.1%
Ukraine UA	3.3%
Afghanistan AF	2.8%
Belarus BY	2.4%
United States US	2.4%
Netherlands NL	2.2%
United Kingdom GB	1.7%
Other	5.7%

Country	Rank
Kazakhstan KZ	1783
Afghanistan AF	2203
Russian Federation RU	6252
Belarus BY	6850
Ukraine UA	12573
Uzbekistan UZ	15435
Netherlands NL	30485
Azerbaijan AZ	41883
China CN	49210
United Kingdom GB	100142
United States US	296918

Lektsii.net Traffic Distribution

Where do visitors go on lektsii.net?

Subdomain Traffic
Views per User
Subdomain Reach

Subdomain	Pageviews
lektsii.net	100%

Subdomain	Views per User
lektsii.net	1.2

Lektsii.net Popularity

How popular is lektsii.net?

Global Rank
Pageviews
Reach

Period	Global Rank	Global Rank Delta
past 3 months	87971	-89947
past month	72271	-2521
past week	66011	-13042
yesterday	54279	-29556

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	146317	-133211	34	130%	1.2	-5.469%
30	123905	-1909	42	6%	1.2	-1.64%
7	118067	-16356	46	20%	1.2	-7.143%
1	106496	-44039	6	50%	1	-4.24%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	70341	-79197	103	150%
30	57696	-2191	13	8%
7	51965	-12345	15	30%
1	42038	-23750	20	60%

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Lektsii.net Safety Information

Rankchart Summary

Safe

Updated: 04/18/2024

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: 03/30/2024

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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: 02/18/2019

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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: 02/28/2021

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McAfee assesses lektsii.net 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 lektsii.net for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Child safety is good

Updated: 01/10/2019

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

Lektsii.net 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

Lektsii.net Server Information

Lektsii.net Server Location

Where website hosting server is located?

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Lektsii.net ASN Information

Information about IP address owner

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ASN ID: 29182

ASN Title: JSC "ISPsystem"

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 'AS29092 - AS29337'

as-block: AS29092 - AS29337
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: 2010-05-11T11:46:28Z
last-modified: 2014-02-24T13:15:17Z
source: RIPE

% Information related to 'AS29182'

% Abuse contact for 'AS29182' is 'abuse@abusehost.ru'

aut-num: AS29182
as-name: ISPSYSTEM-AS
org: ORG-IHs2-RIPE
remarks: *** eXchange Points ***
import: from AS8631 action pref=100; accept AS-MSKROUTESERVER
export: to AS8631 announce AS-ISPSYSTEM
remarks: *** Uplinks ***
import: from AS8345 action pref=100; accept ANY
export: to AS8345 announce AS29182
import: from AS12695 action pref=100; accept ANY
export: to AS12695 announce AS-ISPSYSTEM
import: from AS50673 action pref=100; accept ANY
export: to AS50673 announce AS-ISPSYSTEM
import: from AS20485 action pref=100; accept ANY
export: to AS20485 announce AS-ISPSYSTEM
import: from AS57724 action pref=100; accept ANY
export: to AS57724 announce AS-ISPSYSTEM
import: from AS29226 action pref=100; accept ANY
export: to AS29226 announce AS-ISPSYSTEM
import: from AS48166 action pref=100; accept ANY
export: to AS48166 announce AS-ISPSYSTEM
remarks: *** Clients ***
import: from AS60135 action pref=400; accept AS60135
export: to AS60135 announce ANY
import: from AS49227 action pref=400; accept AS49227
export: to AS49227 announce ANY
import: from AS60890 action pref=400; accept AS-CNIC
export: to AS60890 announce ANY
import: from AS22169 action pref=400; accept AS22169
export: to AS22169 announce ANY
remarks: *** IPv6 neighbors, rpsl migrate ***
mp-import: afi ipv6.unicast,ipv4 from AS8631 accept AS-MSKROUTESERVER
mp-export: afi ipv6.unicast,ipv4 to AS8631 announce AS-ISPSYSTEM
mp-import: afi ipv6.unicast,ipv4 from AS31500 accept ANY
mp-export: afi ipv6.unicast,ipv4 to AS31500 announce AS29182
mp-import: afi ipv6.unicast,ipv4 from AS12695 accept ANY
mp-export: afi ipv6.unicast,ipv4 to AS12695 announce AS-ISPSYSTEM
mp-import: afi ipv6.unicast,ipv4 from AS6679 accept ANY
mp-export: afi ipv6.unicast,ipv4 to AS6679 announce AS-ISPSYSTEM
admin-c: ISP49-RIPE
tech-c: ISP49-RIPE
status: ASSIGNED
mnt-by: ISPSYSTEM-MNT
mnt-by: RIPE-NCC-END-MNT
created: 2003-06-23T14:25:12Z
last-modified: 2018-04-11T09:02:42Z
source: RIPE

organisation: ORG-IHs2-RIPE
org-name: JSC "ISPsystem"
org-type: LIR
address: PoBox 30
address: 664017
address: Irkutsk
address: RUSSIAN FEDERATION
phone: +74956681264
fax-no: +73952525096
admin-c: ST6386-RIPE
mnt-ref: ISPSYSTEM-MNT
mnt-ref: RIPE-NCC-HM-MNT
mnt-by: RIPE-NCC-HM-MNT
mnt-by: ISPSYSTEM-MNT
abuse-c: AD11067-RIPE
created: 2004-04-17T11:37:43Z
last-modified: 2017-10-30T15:27:52Z
source: RIPE # Filtered

role: ISPsystem JSC Network Operations
address: Russian Federation
phone: +7 (495) 668 12 64
fax-no: +7 (3952) 52 57 89
remarks: trouble: ------------------------------------------------------
remarks: trouble: Points of contact for ISPsystem CJSC Network Operations
remarks: trouble: ------------------------------------------------------
remarks: trouble: Routing and peering issues: noc@ispsystem.net
remarks: trouble: SPAM issues: abuse@abusehost.ru
remarks: trouble: Mail issues: abuse@abusehost.ru
remarks: trouble: General information: admin@ispsystem.com
remarks: trouble: ------------------------------------------------------
admin-c: AA26905-RIPE
tech-c: ST6386-RIPE
nic-hdl: ISP49-RIPE
mnt-by: ISPSYSTEM-MNT
created: 2014-09-12T07:12:33Z
last-modified: 2018-02-21T07:42:38Z
source: RIPE # Filtered
abuse-mailbox: abuse@abusehost.ru

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

Geolocation

ASN Lookup

Lektsii.net Domain Name Information

Lektsii.net DNS Information

Domain name service records

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A
NS
SOA

Host	A Record	TTL
lektsii.net	185.246.65.236	86400

Host	NS Record	TTL
lektsii.net	ns1.reg.ru	86400
lektsii.net	ns2.reg.ru	86400

Lektsii.net Whois Information

Information about registered users or assignees of an Internet resource

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Raw WHOIS data:

Whois

DNS Lookup

Lektsii.net HTML Validation

Lektsii.net W3C HTML Markup Validation

HTML markup errors and warnings

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Errors:

Malformed byte sequence: “cb”.

Malformed byte sequence: “e5”.

Malformed byte sequence: “ea”.

Malformed byte sequence: “f6”.

Malformed byte sequence: “e8”.

Malformed byte sequence: “cd”.

Malformed byte sequence: “f2”.

Malformed byte sequence: “97”.

Malformed byte sequence: “fd”.

Malformed byte sequence: “ee”.

Malformed byte sequence: “f1”.

Malformed byte sequence: “e1”.

Malformed byte sequence: “f0”.

Malformed byte sequence: “ed”.

Malformed byte sequence: “ef”.

Malformed byte sequence: “e2”.

Malformed byte sequence: “eb”.

Malformed byte sequence: “e9”.

Malformed byte sequence: “e0”.

Malformed byte sequence: “e7”.

Malformed byte sequence: “fb”.

Malformed byte sequence: “f5”.

Malformed byte sequence: “e4”.

Malformed byte sequence: “ec”.

Malformed byte sequence: “ff”.

Malformed byte sequence: “f3”.

Malformed byte sequence: “f7”.

Malformed byte sequence: “f4”.

Almost standards mode doctype. Expected “<!DOCTYPE html>”.

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

Malformed byte sequence: “d1”.

Malformed byte sequence: “c3”.

Malformed byte sequence: “ca”.

Malformed byte sequence: “c0”.

Malformed byte sequence: “c1”.

Malformed byte sequence: “e3”.

Malformed byte sequence: “c4”.

Malformed byte sequence: “c8”.

Malformed byte sequence: “fc”.

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

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

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

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

Duplicate attribute “valign”.

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

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

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

Malformed byte sequence: “cc”.

Malformed byte sequence: “ce”.

Malformed byte sequence: “cf”.

Malformed byte sequence: “d0”.

Malformed byte sequence: “d2”.

Malformed byte sequence: “d4”.

Malformed byte sequence: “d5”.

Malformed byte sequence: “d7”.

Malformed byte sequence: “dd”.

Malformed byte sequence: “ab”.

Malformed byte sequence: “f2”, “bb”.

Malformed byte sequence: “f8”.

Malformed byte sequence: “e6”.

Malformed byte sequence: “fe”.

Malformed byte sequence: “c2”.

NON-DOCUMENT-ERROR:

Too many messages.

HTML Validator

Lektsii.net Desktop Performance

How Well Lektsii.net Performs On Desktops?

Website desktop performance and usability tips

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Speed
Resource Breakdown

Speed

93%

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

Enable compression

Leverage browser caching

Optimize images

Updated: 12/19/2016

Lektsii.net Mobile Performance

How Optimized Is Lektsii.net for Mobile Devices?

Tips on speeding up mobile site performance

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Usability
Speed
Resource Breakdown

Usability

58%

Use legible font sizes

Size tap targets appropriately

Configure the viewport

Updated: 12/19/2016

Lektsii.net URL Typos

Most common user URL mistypes for lektsii.net

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www.lektsiio.net

Total Resources	10
Number of Hosts	3
Static Resources	4
JavaScript Resources	1
CSS Resources	1

CSS	2.9 KBytes
Images	14.7 KBytes
HTML	23.5 KBytes
JavaScript	9.1 KBytes
Other	1.0 KBytes

Total Resources	10
Number of Hosts	3
Static Resources	4
JavaScript Resources	1
CSS Resources	1

CSS	2.9 KBytes
Images	14.7 KBytes
HTML	23.5 KBytes
JavaScript	9.1 KBytes
Other	1.0 KBytes