hedva-online.co.il
קורס חדו"א אונליין - תרגילים ופתרונות

!Нет тега H1

 מאגר גדול של תרגילים ופתרונות בכל הנושאים של קורס חדוא ובכל רמות הקושי. הנושאים מותאמים לכל הקורסים בכל האוניברסיטאות והמכללות בישראל. הפתרונות מפורטים מאוד, כולל חומר תיאורטי ודוגמאות.

 Ключевые слова не указаны

Технический рейтинг

 Отсутвует защита от XSS атак. HTTP заголовок "X-XSS-Protection" не найден

 Нет защиты от некоторых видов атак. HTTP заголовок "X-Frame-Options" не найден

 HTTP отвечает кодом - 200

 HTTPS отвечает кодом - 200

 Есть перенаправление с HTTP на HTTPS

iHTTP перенаправляет на: https://www.hedva-online.co.il/

iHTTPS перенаправляет на: https://www.hedva-online.co.il/

!Время ответа сервера 3,278 сек

!Время загрузки HTML страницы 2,932 сек

iРазмер HTML кода: 347930

 Ссылка на favicon присутствует

iКоличество IMGs: 27

 Атрибут ALT установлен для всех IMGs

 Адаптирован для мобильных устройств. Есть тег VIEWPORT

!W3C валидация. Количество ошибок HTML и CSS: 12

 W3C валидация. Количество предупреждений: 22

 Использует robots.txt

!Не использует sitemap

 Есть и DNS MX запись, и антиспам записи DMARC и ADSP

Географическое положение сайта Hedva-online.co.il

iUS San Francisco 101 Townsend Street

101, Townsend Street, South Beach, San Francisco, California, 94107, United States

Техническая информация

iСервер: cloudflare

iHedva-online.co.il зарегистрирован на Amiel Riss

iNS сервера: kay.ns.cloudflare.com,   owen.ns.cloudflare.com

iIP версии 4: 104.21.7.156,   172.67.130.85

iIP версии 6: 2606:4700:3037::ac43:8255,   2606:4700:3033::6815:79c

iDNS TXT запись: "v=spf1 +a +mx +ip4:139.162.178.215 +a:mail-it0-f68.google.com +mx:ASPMX.L.GOOGLE.COM +mx:ALT1.ASPMX.L.GOOGLE.COM +mx:ALT2.ASPMX.L.GOOGLE.COM +mx:ALT3.ASPMX.L.GOOGLE.COM +mx:ALT4.ASPMX.L.GOOGLE.COM +include:mail.google.com ~all"

iDNS MX почтовая запись: 0 _dc-mx.3d591fc8c134.hedva-online.co.il.

iDMARC почтовая антиспам запись: 104.21.7.156,   172.67.130.85

iADSP почтовая запись: 104.21.7.156,   172.67.130.85

iПолная информация из Whois

[Querying whois.isoc.org.il]
[whois.isoc.org.il]

% The data in the WHOIS database of the .il registry is provided
% by ISOC-IL for information purposes, and to assist persons in
% obtaining information about or related to a domain name
% registration record. ISOC-IL does not guarantee its accuracy.
% By submitting a WHOIS query, you agree that you will use this
% Data only for lawful purposes and that, under no circumstances
% will you use this Data to: (1) allow, enable, or otherwise
% support the transmission of mass unsolicited, commercial
% advertising or solicitations via e-mail (spam);
% or  (2) enable high volume, automated, electronic processes that
% apply to ISOC-IL (or its systems).
% ISOC-IL reserves the right to modify these terms at any time.
% By submitting this query, you agree to abide by this policy.

query:        hedva-online.co.il

reg-name:     hedva-online
domain:       hedva-online.co.il

descr:        Amiel Riss
descr:        29 ela
descr:        Omer
descr:        8496500
descr:        Israel
phone:        +972 50 7704883
e-mail:       info AT zapo.co.il
admin-c:      GI-AR14595-IL
tech-c:       GI-AR14595-IL
zone-c:       GI-AR14595-IL
nserver:      kay.ns.cloudflare.com
nserver:      owen.ns.cloudflare.com
validity:     28-10-2022
DNSSEC:       unsigned
status:       Transfer Locked
changed:      domain-registrar AT isoc.org.il 20181028 (Assigned)
changed:      domain-registrar AT isoc.org.il 20181028 (Changed)
changed:      domain-registrar AT isoc.org.il 20190629 (Changed)

person:       Amiel Riss
address      29 ela
address      Omer
address      8496500
address      Israel
phone:        +972 50 7704883
e-mail:       info AT zapo.co.il
nic-hdl:      GI-AR14595-IL
changed:      domain-registrar AT isoc.org.il 20181028

registrar name: Gorni Interactive Ltd
registrar info: https://www.box.co.il/

% Rights to the data above are restricted by copyright.

iПолная информация об IP 104.21.7.156

[Querying whois.arin.net]
[whois.arin.net]

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2022, American Registry for Internet Numbers, Ltd.
#


NetRange:       104.16.0.0 - 104.31.255.255
CIDR:           104.16.0.0/12
NetName:        CLOUDFLARENET
NetHandle:      NET-104-16-0-0-1
Parent:         NET104 (NET-104-0-0-0-0)
NetType:        Direct Allocation
OriginAS:       AS13335
Organization:   Cloudflare, Inc. (CLOUD14)
RegDate:        2014-03-28
Updated:        2021-05-26
Comment:        All Cloudflare abuse reporting can be done via https://www.cloudflare.com/abuse
Ref:            https://rdap.arin.net/registry/ip/104.16.0.0



OrgName:        Cloudflare, Inc.
OrgId:          CLOUD14
Address:        101 Townsend Street
City:           San Francisco
StateProv:      CA
PostalCode:     94107
Country:        US
RegDate:        2010-07-09
Updated:        2021-07-01
Ref:            https://rdap.arin.net/registry/entity/CLOUD14


OrgAbuseHandle: ABUSE2916-ARIN
OrgAbuseName:   Abuse
OrgAbusePhone:  +1-650-319-8930
OrgAbuseEmail:  [email protected]
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE2916-ARIN

OrgNOCHandle: CLOUD146-ARIN
OrgNOCName:   Cloudflare-NOC
OrgNOCPhone:  +1-650-319-8930
OrgNOCEmail:  [email protected]
OrgNOCRef:    https://rdap.arin.net/registry/entity/CLOUD146-ARIN

OrgTechHandle: ADMIN2521-ARIN
OrgTechName:   Admin
OrgTechPhone:  +1-650-319-8930
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/ADMIN2521-ARIN

OrgRoutingHandle: CLOUD146-ARIN
OrgRoutingName:   Cloudflare-NOC
OrgRoutingPhone:  +1-650-319-8930
OrgRoutingEmail:  [email protected]
OrgRoutingRef:    https://rdap.arin.net/registry/entity/CLOUD146-ARIN

RTechHandle: ADMIN2521-ARIN
RTechName:   Admin
RTechPhone:  +1-650-319-8930
RTechEmail:  [email protected]
RTechRef:    https://rdap.arin.net/registry/entity/ADMIN2521-ARIN

RAbuseHandle: ABUSE2916-ARIN
RAbuseName:   Abuse
RAbusePhone:  +1-650-319-8930
RAbuseEmail:  [email protected]
RAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE2916-ARIN

RNOCHandle: NOC11962-ARIN
RNOCName:   NOC
RNOCPhone:  +1-650-319-8930
RNOCEmail:  [email protected]
RNOCRef:    https://rdap.arin.net/registry/entity/NOC11962-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2022, American Registry for Internet Numbers, Ltd.
#

iПолная информация о DNS

A: 104.21.7.156
A: 172.67.130.85

AAAA: 2606:4700:3037::ac43:8255
AAAA: 2606:4700:3033::6815:79c

TXT: "v=spf1 +a +mx +ip4:139.162.178.215 +a:mail-it0-f68.google.com +mx:ASPMX.L.GOOGLE.COM +mx:ALT1.ASPMX.L.GOOGLE.COM +mx:ALT2.ASPMX.L.GOOGLE.COM +mx:ALT3.ASPMX.L.GOOGLE.COM +mx:ALT4.ASPMX.L.GOOGLE.COM +include:mail.google.com ~all"

MX: 0 _dc-mx.3d591fc8c134.hedva-online.co.il.

DMARC: 104.21.7.156
DMARC: 172.67.130.85

ADSP: 104.21.7.156
ADSP: 172.67.130.85