ef.se ▷ EF Education First

Quick Summary

Online Status

Offline

Server IP address resolved: No
Http response code: None
Last Checked: 04/28/2024

Ef.se traffic volume is 1,912 unique daily visitors and their 3,824 pageviews. The web value rate of ef.se is 2,825 USD. Each visitor makes around 2.14 page views on average.

Ef.se belongs to CLOUDFLARENET - Cloudflare, Inc., US. Check the list of other websites hosted by CLOUDFLARENET - Cloudflare, Inc., US.

Ef.se registered under .SE top-level domain. Check other websites in .SE zone.

The last verification results, performed on (April 28, 2024) ef.se show that ef.se has an invalid SSL certificate. Click “Refresh” button for SSL Information at the Safety Information section.

In accordance with Google Safe Browsing, Symantec and Web of Trust ef.se is pretty a safe domain.

Relying Google MobileFriendly test ef.se is well optimized for mobile and tablet devices.

Ef.se Safety Information

Overview

Last Updated: 04/28/2024

Unknown status.

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

Last Updated: 04/03/2024

ef.se is safe.

Norton ConnectSafe evaluates ef.se for any unsafe and insecure content. The results are critical for families with young children.

Google Safe Search

Last Updated: 04/28/2024

Unknown status.

SafeSearch is used as a parental control tool to filter out any inappropriate for your children search results on your devices: phones, tablets or personal computers.

Google Safe Browsing

Last Updated: 01/09/2019

ef.se is safe.
Malware: not found.
Phishing: not detected.
Unwanted software: not found.
Harmfull applications: not found.

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

Site Advisor

Last Updated: 03/03/2021

ef.se is safe.

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

Web of Trust

Last Updated: 01/11/2019

ef.se child safety is very good.

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

SSL Information

SSL Checker Tool

Domain	Unknown
Issuer Organization	Unknown
Issuer	Unknown
Algorithm	Unknown
Valid form	Unknown
Expiration	Unknown
Signed	No information
Additional Domains

Ef.se Server Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 13335
ASN Title: CLOUDFLARENET - Cloudflare, Inc., US

Last Update: 03/06/2024

ASN Whois

#
# 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.
#

Ef.se Domain Name Information

WHOIS

WHOIS Lookup Tool

Domain Whois

# Copyright (c) 1997- The Swedish Internet Foundation.
# All rights reserved.
# The information obtained through searches, or otherwise, is protected
# by the Swedish Copyright Act (1960:729) and international conventions.
# It is also subject to database protection according to the Swedish
# Copyright Act.
# Any use of this material to target advertising or
# similar activities is forbidden and will be prosecuted.
# If any of the information below is transferred to a third
# party, it must be done in its entirety. This server must
# not be used as a backend for a search engine.
# Result of search for registered domain names under
# the .se top level domain.
# This whois printout is printed with UTF-8 encoding.
#
state: active
domain: ef.se
holder: CSCDOIN1610-7065
created: 1993-12-08
modified: 2021-12-22
expires: 2022-12-31
transferred: 2015-04-01
nserver: pam.ns.cloudflare.com 199.27.134.11
nserver: anirban.ns.cloudflare.com
dnssec: unsigned delegation
registry-lock: unlocked
status: ok
registrar: CSC Corp Domains

DNS Records

DNS Lookup Tool

Host	A Record	TTL
ef.se	54.77.114.145	86400

Host	MX Record	Priority	TTL
ef.se	as3.ef.se	10	3600
ef.se	ef-se.mail.protection.outlook.com	0	3600
ef.se	as1.ef.se	10	3600
ef.se	as2.ef.se	10	3600

Host	NS Record	TTL
ef.se	ns.domainnetwork.se	86400
ef.se	ns2.domainnetwork.se	86400

Host	TXT Record	TTL
ef.se	MS=ms54469095	600
ef.se	google-site-verification=HUFWHMVxM3h0NSRJdB4P8Aw5YjZftvGLgntSIo6fv3U	86400

ns.domainnetwork.se
TTL: 86400
Email address: hostmaster.cscdns.net
Serial: 2013112145
Refresh: 28800
Retry: 7200
Expire: 2419200
Minimum: 86400

Ef.se HTML Validation

HTML Validation Tool

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”.

Attribute “arial-label” not allowed on element “a” at this point.

Attribute “aria-role” not allowed on element “a” at this point.

Bad value “tel:08-587 930 00” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.

Element “bgpicture” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)

Bad value “” for attribute “target” on element “a”: Browsing context name must be at least one character long.

Warnings

Consider avoiding viewport values that prevent users from resizing documents.

Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.

Ef.se Desktop Insights

Last tested: 05/23/2017

Desktop

Desktop Speed

79%

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

Optimize images

Leverage browser caching

Minify HTML

Minify JavaScript

Desktop Resource Breakdown

Total Resources	65
Number of Hosts	26
Static Resources	32
JavaScript Resources	22
CSS Resources	4

Ef.se Mobile Insights

Last tested: 05/23/2017

Mobile

Mobile Usability

100%

Mobile Speed

62%

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

Optimize images

Leverage browser caching

Minify HTML

Minify JavaScript

Mobile Resource Breakdown

Total Resources	61
Number of Hosts	22
Static Resources	35
JavaScript Resources	22
CSS Resources	4

Ef.se Typos

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

Ef.se EF Education First | Sverige

EF är ett utav världens största utbildningsföretag och erbjuder språkresor, kulturella utbyten och akademiska utbildningsprogram för alla åldrar och f...