Oppadu.com 엑셀강의 대표채널! 오빠두엑셀 - 오빠두엑셀

엑셀강의 1등 대표채널! 오빠두엑셀에 오신것을 환영합니다. | 오빠두엑셀의 모든 영상강의는 예제파일과 E-Book을 무료로 제공해드립니다. | 엑셀 기초 강의부터 VBA 고급강의까지, 실무 중심의 엑셀강의로 다양한 실전 중심 엑셀 강의를 제공합니다.

Oppadu.com Quick Summary

Status

Online

Server IP address resolved: Yes

Http response code: 200

Response time: 4.97 sec.

Last Checked: 04/19/2024

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oppadu.com is hosted by SKB-AS SK Broadband Co Ltd, KR. See the list of other websites hosted by SKB-AS SK Broadband Co Ltd, KR.

Oppadu.com is registered under .COM top-level domain. Check other websites in .COM zone.

During the last check (August 15, 2020) oppadu.com has an expired wildcard SSL certificate issued by Let's Encrypt (expired on November 04, 2020), please click the “Refresh” button for SSL Information at the Safety Information section. Check other websites using SSL certificates issued by Let's Encrypt.

In accordance with Google Safe Browsing and Symantec oppadu.com is pretty a safe domain.

Relying on Google Mobile-Friendly test oppadu.com isn't optimized for mobile and tablet devices. Designing your websites to be mobile friendly ensures that your pages perform well on all devices, also website page loading time may be improved.

Oppadu.com General Information

Information not available

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Oppadu.com Safety Information

Rankchart Summary

Unknown

Updated: 04/19/2024

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: 02/21/2024

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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

Not Checked

Updated: 04/19/2024

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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: 03/16/2021

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McAfee assesses oppadu.com 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 oppadu.com for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Not Checked

Updated: 04/19/2024

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

Oppadu.com SSL Information

Information about SSL/TLS certificates

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Domain	*.oppadu.com
Issuer Organization	Let's Encrypt
Issuer	Let's Encrypt Authority X3
Algorithm	RSA-SHA256
Valid form	08/06/2020
Expiration	11/04/2020
Signed	Certificate is not self signed
Additional Domains	*.oppadu.com oppadu.com

SSL Checker

Oppadu.com Server Information

Oppadu.com Server Location

Where website hosting server is located?

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Oppadu.com ASN Information

Information about IP address owner

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ASN ID: 9318

ASN Title: SKB-AS SK Broadband Co Ltd, KR

Updated: 03/26/2024

Raw ASN data:

% [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html

% Information related to 'AS9216 - AS10239'

as-block: AS9216 - AS10239
descr: APNIC ASN block
remarks: These AS numbers are further assigned by APNIC
remarks: to APNIC members and end-users in the APNIC region
admin-c: HM20-AP
tech-c: HM20-AP
mnt-by: APNIC-HM
mnt-lower: APNIC-HM
last-modified: 2009-05-19T07:00:23Z
source: APNIC

role: APNIC Hostmaster
address: 6 Cordelia Street
address: South Brisbane
address: QLD 4101
country: AU
phone: +61 7 3858 3100
fax-no: +61 7 3858 3199
e-mail: helpdesk@apnic.net
admin-c: AMS11-AP
tech-c: AH256-AP
nic-hdl: HM20-AP
remarks: Administrator for APNIC
notify: hostmaster@apnic.net
mnt-by: MAINT-APNIC-AP
last-modified: 2013-10-23T04:06:51Z
source: APNIC

% Information related to 'AS9316 - AS9323'

as-block: AS9316 - AS9323
descr: KRNIC-ASBLOCK-AP
descr: KRNIC
descr: Korea Network Information Center
country: KR
admin-c: HM127-AP
tech-c: HM127-AP
remarks: Authoritative information regarding AS Number
remarks: assignments made from within this block can also be
remarks: queried at whois.nic.or.kr
mnt-by: APNIC-HM
mnt-lower: MNT-KRNIC-AP
last-modified: 2017-06-15T04:25:40Z
source: APNIC

person: Host Master
address: 135 Jungdae-ro Songpa-gu Seoul
country: KR
phone: +82-2-405-5118
e-mail: hostmaster@nic.or.kr
nic-hdl: HM127-AP
mnt-by: MNT-KRNIC-AP
last-modified: 2016-03-15T04:20:59Z
source: APNIC

% Information related to 'AS9318'

% Abuse contact for 'AS9318' is 'hostmaster@nic.or.kr'

aut-num: AS9318
as-name: SKB-AS
descr: SK Broadband Co Ltd
country: KR
admin-c: AM1838-AP
tech-c: AM1838-AP
import: from AS2828
action pref=100;
accept ANY
import: from AS3786
action pref=100;
accept ANY
import: from AS4766
action pref=100;
accept ANY
import: from AS6461
action pref=100;
accept ANY
import: from AS701
action pref=100;
accept ANY
export: to AS2828
announce AS9318
export: to AS3786
announce AS9318
export: to AS4766
announce AS9318
export: to AS6461
announce AS9318
export: to AS701
announce AS9318
default: to AS3786
action pref=100;
networks ANY
mnt-by: MNT-KRNIC-AP
mnt-irt: IRT-KRNIC-KR
last-modified: 2016-11-28T06:37:15Z
source: APNIC

irt: IRT-KRNIC-KR
address: Seocho-ro 398, Seocho-gu, Seoul, Korea
e-mail: hostmaster@nic.or.kr
abuse-mailbox: hostmaster@nic.or.kr
admin-c: IM574-AP
tech-c: IM574-AP
auth: # Filtered
mnt-by: MNT-KRNIC-AP
last-modified: 2017-10-19T07:36:36Z
source: APNIC

person: AS Manager
address: Seoul Jung-gu Toegye-ro 24
country: KR
phone: +82-2-106-2
e-mail: ip-adm@skbroadband.com
nic-hdl: AM1838-AP
mnt-by: MNT-KRNIC-AP
last-modified: 2016-11-28T06:34:19Z
source: APNIC

% Information related to 'AS9318'

aut-num: AS9318
as-name: SKB-AS-KR
descr: SK Broadband Co Ltd
country: KR
import: from AS6461 action pref=100 accept ANY
import: from AS4766 action pref=100 accept ANY
import: from AS3786 action pref=100 accept ANY
import: from AS2828 action pref=100 accept ANY
import: from AS701 action pref=100 accept ANY
export: to AS6461 announce AS9318
export: to AS4766 announce AS9318
export: to AS3786 announce AS9318
export: to AS2828 announce AS9318
export: to AS701 announce AS9318
admin-c: M63-KR
tech-c: M63-KR
mnt-by: MNT-KRNIC-AP
mnt-irt: IRT-KRNIC-KR
changed: hostmaster@nic.or.kr
source: KRNIC

person: AS Manager
address: Seoul Jung-gu Toegye-ro 24
address: SK Namsan Green Bldg.
country: KR
phone: +82-2-106-2
e-mail: ip-adm@skbroadband.com
nic-hdl: M63-KR
mnt-by: MNT-KRNIC-AP
changed: hostmaster@nic.or.kr
source: KRNIC

% This query was served by the APNIC Whois Service version 1.88.15-46 (WHOIS-US3)

Geolocation

ASN Lookup

Oppadu.com Domain Name Information

Oppadu.com DNS Information

Domain name service records

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A

Host	A Record	TTL

Oppadu.com Whois Information

Information about registered users or assignees of an Internet resource

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Raw WHOIS data:

Whois

DNS Lookup

Oppadu.com HTML Validation

Oppadu.com W3C HTML Markup Validation

HTML markup errors and warnings

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Warnings:

The “type” attribute for the “style” element is not needed and should be omitted.

Attribute “"” is not serializable as XML 1.0.

Errors:

CSS: “-ms-grid-columns”: Parse Error.

CSS: Parse Error.

Saw “"” when expecting an attribute name. Probable cause: “=” missing immediately before.

Attribute “"” not allowed on element “div” at this point.

Attribute “field_5e9aacdc2b898” not allowed on element “div” at this point.

HTML Validator

Oppadu.com Desktop Performance

How Well Oppadu.com Performs On Desktops?

Website desktop performance and usability tips

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Speed
Resource Breakdown

Speed

88%

Leverage browser caching

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

Optimize images

Minify CSS

Minify JavaScript

Enable compression

Updated: 01/24/2018

Oppadu.com Mobile Performance

How Optimized Is Oppadu.com for Mobile Devices?

Tips on speeding up mobile site performance

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Usability
Speed
Resource Breakdown

Usability

96%

Size tap targets appropriately

Updated: 01/24/2018

Oppadu.com URL Typos

Most common user URL mistypes for oppadu.com

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www.oppadu.con

Total Resources	59
Number of Hosts	6
Static Resources	55
JavaScript Resources	26
CSS Resources	20

CSS	324.0 KBytes
Images	973.7 KBytes
HTML	42.3 KBytes
JavaScript	478.3 KBytes
Other	21.2 KBytes

Total Resources	60
Number of Hosts	6
Static Resources	55
JavaScript Resources	26
CSS Resources	20

CSS	324.1 KBytes
Images	973.7 KBytes
HTML	42.3 KBytes
JavaScript	478.3 KBytes
Other	90.2 KBytes