Ef.co.id Belajar Bahasa Inggris Cepat dengan English First

EF English First or Education first is an education institution with international standard since 1965 which offers the best option in Indonesia for L...

Ef.co.id Quick Summary

Status

Online

Server IP address resolved: Yes

Http response code: 200

Response time: 1.65 sec.

Last Checked: 04/25/2024

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Ef.co.id traffic estimate is about 7,833 unique visitors and 11,123 pageviews per day. The approximated value of ef.co.id is 192,720 USD. Every unique visitor makes about 1.42 pageviews on average.

Alexa Traffic Rank estimates that ef.co.id is ranked number 208,874 in the world, while most of its traffic comes from Indonesia, where it occupies as high as 858 place.

Ef.co.id is registered under .ID top-level domain. Check other websites in .ID zone.

During the last check (November 27, 2019) ef.co.id has an expired SSL certificate issued by Corporation Service Company (expired on August 22, 2020), please click the “Refresh” button for SSL Information at the Safety Information section. Check other websites using SSL certificates issued by Corporation Service Company.

In accordance with Google Safe Browsing, Google Safe Search and Symantec ef.co.id is pretty a safe domain.

Relying on Google Mobile-Friendly test ef.co.id is well optimized for mobile and tablet devices, however website page loading time may be improved.

Ef.co.id General Information

Ef.co.id Audience Geography

Where are website visitors coming from?

Visitors
Pageviews
Ranks

Country	Visitors
Indonesia ID	89.9%
United States US	2.2%
Hong Kong HK	1.3%
Singapore SG	1.2%
Netherlands NL	0.9%
Malaysia MY	0.8%
Other	3.6%

Country	Rank
Indonesia ID	858
Hong Kong HK	18321
Singapore SG	20100
Malaysia MY	25686
Netherlands NL	45613
United States US	278994

Ef.co.id Traffic Distribution

Where do visitors go on ef.co.id?

Subdomain Traffic
Views per User
Subdomain Reach

Subdomain	Pageviews
ef.co.id	99.96%
other	0.04%

Subdomain	Views per User
ef.co.id	1.37

Subdomain	Reach
ef.co.id	100%

Ef.co.id Popularity

How popular is ef.co.id?

Global Rank
Pageviews
Reach

Period	Global Rank	Global Rank Delta
past 3 months	61912	-27530
past month	57226	-4799
past week	58506	-428
yesterday	60837	-1590

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	98608	-33267	56	47%	1.42	-7.19%
30	93441	-5672	61	11%	1.37	-3.52%
7	98238	-1642	58	3%	1.3	2%
1	110611	-3372	55	3%	1.3	2%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	51853	-25503	144	59%
30	47318	-4553	163	15%
7	48407	142	16	0.2%
1	49352	-940	17	2%

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Ef.co.id Safety Information

Rankchart Summary

Safe

Updated: 04/25/2024

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: 06/14/2023

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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: 10/22/2016

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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: 05/14/2021

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McAfee assesses ef.co.id 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 ef.co.id for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Not Checked

Updated: 04/25/2024

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

Ef.co.id SSL Information

Information about SSL/TLS certificates

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Domain	ef.co.uk
Issuer Organization	Corporation Service Company
Issuer	Trusted Secure Certificate Authority 5
Algorithm	RSA-SHA256
Valid form	08/23/2019
Expiration	08/22/2020
Signed	Certificate is not self signed
Additional Domains	ef.co.uk edux.org ef-australia.com.au ef-danmark.dk ef-ireland.ie ef-italia.it ef-luxembourg.lu ef-luxemburg.lu ef-slovakia.sk ef.co.ae ef.co.hu ef.co.id ef.co.kr ef.co.nz ef.com.ec ef.com.es ef.com.ly ef.com.mx ef.de ef.fi ef.fr ef.ru ef.sg eflangtech.com efswiss.ch www.edux.org www.ef-australia.com.au www.ef-danmark.dk www.ef-ireland.ie www.ef-italia.it www.ef-luxembourg.lu www.ef-luxemburg.lu www.ef-slovakia.sk www.ef.co.ae www.ef.co.hu www.ef.co.id www.ef.co.kr www.ef.co.nz www.ef.co.uk www.ef.com.ec www.ef.com.es www.ef.com.ly www.ef.com.mx www.ef.de www.ef.fi www.ef.fr www.ef.ru www.ef.sg www.eflangtech.com www.efswiss.ch

SSL Checker

Ef.co.id Server Information

Ef.co.id Server Location

Where website hosting server is located?

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Ef.co.id ASN Information

Information about IP address owner

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ASN ID: 13335

ASN Title: CLOUDFLARENET - Cloudflare, Inc., US

Updated: 10/05/2023

Raw ASN data:

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/whois_tou.html
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/whois_reporting/index.html
#
# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#

ASNumber: 13335
ASName: CLOUDFLARENET
ASHandle: AS13335
RegDate: 2010-07-14
Updated: 2017-02-17
Comment: All Cloudflare abuse reporting can be done via https://www.cloudflare.com/abuse
Ref: https://rdap.arin.net/registry/autnum/13335

OrgName: Cloudflare, Inc.
OrgId: CLOUD14
Address: 101 Townsend Street
City: San Francisco
StateProv: CA
PostalCode: 94107
Country: US
RegDate: 2010-07-09
Updated: 2017-02-17
Comment: All Cloudflare abuse reporting can be done via https://www.cloudflare.com/abuse
Ref: https://rdap.arin.net/registry/entity/CLOUD14

OrgTechHandle: ADMIN2521-ARIN
OrgTechName: Admin
OrgTechPhone: +1-650-319-8930
OrgTechEmail: rir@cloudflare.com
OrgTechRef: https://rdap.arin.net/registry/entity/ADMIN2521-ARIN

OrgAbuseHandle: ABUSE2916-ARIN
OrgAbuseName: Abuse
OrgAbusePhone: +1-650-319-8930
OrgAbuseEmail: abuse@cloudflare.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE2916-ARIN

OrgNOCHandle: NOC11962-ARIN
OrgNOCName: NOC
OrgNOCPhone: +1-650-319-8930
OrgNOCEmail: noc@cloudflare.com
OrgNOCRef: https://rdap.arin.net/registry/entity/NOC11962-ARIN

RNOCHandle: NOC11962-ARIN
RNOCName: NOC
RNOCPhone: +1-650-319-8930
RNOCEmail: noc@cloudflare.com
RNOCRef: https://rdap.arin.net/registry/entity/NOC11962-ARIN

RTechHandle: ADMIN2521-ARIN
RTechName: Admin
RTechPhone: +1-650-319-8930
RTechEmail: rir@cloudflare.com
RTechRef: https://rdap.arin.net/registry/entity/ADMIN2521-ARIN

RAbuseHandle: ABUSE2916-ARIN
RAbuseName: Abuse
RAbusePhone: +1-650-319-8930
RAbuseEmail: abuse@cloudflare.com
RAbuseRef: https://rdap.arin.net/registry/entity/ABUSE2916-ARIN

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/whois_tou.html
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/whois_reporting/index.html
#
# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#

Geolocation

ASN Lookup

Ef.co.id Domain Name Information

Ef.co.id DNS Information

Domain name service records

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A

Host	A Record	TTL

Ef.co.id Whois Information

Information about registered users or assignees of an Internet resource

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Raw WHOIS data:

Whois

DNS Lookup

Ef.co.id HTML Validation

Ef.co.id W3C HTML Markup Validation

HTML markup errors and warnings

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Errors:

Stray doctype.

Bad value “og:http://ogp.me/ns#” for attribute “prefix” on element “html”.

A “link” element with a “sizes” attribute must have a “rel” attribute that contains the value “icon” or the value “apple-touch-icon”.

Bad value “Set-Cookie” for attribute “http-equiv” on element “meta”.

Bad start tag in “div” in “head”.

Stray end tag “noscript”.

Stray end tag “head”.

Start tag “body” seen but an element of the same type was already open.

Cannot recover after last error. Any further errors will be ignored.

Warnings:

Consider avoiding viewport values that prevent users from resizing documents.

HTML Validator

Ef.co.id Desktop Performance

How Well Ef.co.id Performs On Desktops?

Website desktop performance and usability tips

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Speed
Resource Breakdown

Speed

69%

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

Avoid landing page redirects

Optimize images

Leverage browser caching

Minify HTML

Minify JavaScript

Updated: 12/15/2017

Ef.co.id Mobile Performance

How Optimized Is Ef.co.id for Mobile Devices?

Tips on speeding up mobile site performance

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Usability
Speed
Resource Breakdown

Usability

100%

Updated: 05/27/2017

Ef.co.id Nearest Competitors

Estimated Nearest Competitors Of Ef.co.id

strava.cz
iwj.co.jp
xtratheme.ir
intheraw.com
asaka.lg.jp
ig-zeitarbeit.de
c**************g.com
earthboundfarm.com
kuriharacity.jp
gatheringbeauty.com
ef.co.id
petalstopicots.com
aviaham.ru
szerencsejatek.hu
mietrecht.com
antigifcentrum.be
mindjazz-pictures.de
raretopsitesdirectory.com
thepirateproxybay.com
r101.it
glomdalen.no
misato.lg.jp

Ef.co.id URL Typos

Most common user URL mistypes for ef.co.id

www.ef.com
www.ef.net
www.ef.org
www.ef.info
www.ef.biz
www.ef.us
www.ef.mobi
www.f.co.id
www.ef.co.id
www.wf.co.id
www.ewf.co.id
www.wef.co.id
www.sf.co.id
www.esf.co.id
www.sef.co.id
www.df.co.id
www.edf.co.id
www.def.co.id
www.rf.co.id
www.erf.co.id
www.ref.co.id
www.e.co.id
www.ec.co.id
www.efc.co.id
www.ecf.co.id
www.ed.co.id
www.efd.co.id
www.er.co.id
www.efr.co.id
www.et.co.id
www.eft.co.id
www.etf.co.id
www.eg.co.id
www.efg.co.id
www.egf.co.id
www.ev.co.id
www.efv.co.id
www.evf.co.id

Total Resources	103
Number of Hosts	34
Static Resources	33
JavaScript Resources	34
CSS Resources	5

Text	3.3 KBytes
CSS	362.8 KBytes
Images	354.6 KBytes
HTML	106.8 KBytes
JavaScript	1.5 MBytes
Other	258.3 KBytes

Total Resources	92
Number of Hosts	33
Static Resources	37
JavaScript Resources	30
CSS Resources	4

Text	2.7 KBytes
CSS	311.0 KBytes
Images	420.7 KBytes
HTML	100.6 KBytes
JavaScript	1.5 MBytes
Other	22.2 KBytes