ascleiden.nl - African Studies Centre Leiden |

Ascleiden.nl Quick Summary

Status

Online

Server IP address resolved: Yes

Http response code: 200

Response time: 2.07 sec.

Last Checked: 04/29/2024

Ascleiden.nl traffic estimate is about 776 unique visitors and 1,164 pageviews per day. The approximated value of ascleiden.nl is 11,680 USD. Every unique visitor makes about 1.5 pageviews on average.

Alexa Traffic Rank estimates that ascleiden.nl is ranked number 28,963 in the world, while most of its traffic comes from United States, where it occupies as high as 360,036 place.

ascleiden.nl is hosted by SURFnet bv in Netherlands and we recommend relocating the server to United States, as it will speed up ascleiden.nl page load time for the majority of their users. See the list of other websites hosted by SURFnet bv.

Ascleiden.nl is registered under .NL top-level domain. Check other websites in .NL zone.

During the last check (June 20, 2019) ascleiden.nl has an expired SSL certificate (expired on June 22, 2020), 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 ascleiden.nl is pretty a safe domain.

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

Ascleiden.nl General Information

Ascleiden.nl Audience Geography

Where are website visitors coming from?

Visitors
Pageviews
Ranks

Country	Visitors
United States US	22.8%
Nigeria NG	9.3%
South Africa ZA	6.5%
Ethiopia ET	4.9%
Ghana GH	2.2%
Kenya KE	1.5%
Other	52.5%

Country	Rank
Ethiopia ET	15268
Ghana GH	16458
Kenya KE	32995
Nigeria NG	38601
South Africa ZA	51888
United States US	360036

Ascleiden.nl Traffic Distribution

Where do visitors go on ascleiden.nl?

Subdomain Traffic
Views per User
Subdomain Reach

Subdomain	Pageviews
ascleiden.nl	100%

Subdomain	Views per User
ascleiden.nl	1.3

Ascleiden.nl Popularity

How popular is ascleiden.nl?

Global Rank
Pageviews
Reach

Period	Global Rank	Global Rank Delta
past 3 months	588178	23766
past month	654718	-98109
past week	799744	282165
yesterday	812601	-301525

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	811251	18490	3	-2.77%	1.5	4%
30	974388	-13978	3	1%	1.3	-22.09%
7	1159595	403729	2	-52.95%	1	-8.397%
1	935991	112308	3	-30.36%	1	-66.777%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	529100	27005	85	-6.25%
30	557484	-139606	79	30%
7	692494	240982	6	-48.682%
1	745265	-502891	9	100%

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Ascleiden.nl Safety Information

Rankchart Summary

Safe

Updated: 04/29/2024

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: 04/02/2024

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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: 01/06/2017

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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: 03/02/2021

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McAfee assesses ascleiden.nl 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 ascleiden.nl for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Child safety is good

Updated: 01/11/2019

(Rescan now...)

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

Ascleiden.nl SSL Information

Information about SSL/TLS certificates

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Domain	www.ascleiden.nl
Issuer Organization	Unknown
Issuer	TERENA SSL CA 3
Algorithm	RSA-SHA256
Valid form	06/18/2018
Expiration	06/22/2020
Signed	Certificate is not self signed
Additional Domains	www.ascleiden.nl

SSL Checker

Ascleiden.nl Server Information

Ascleiden.nl Server Location

Where website hosting server is located?

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Ascleiden.nl ASN Information

Information about IP address owner

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ASN ID: 1103

ASN Title: SURFnet bv

Updated: 01/09/2024

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 'AS1101 - AS1200'

as-block: AS1101 - AS1200
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: 2002-08-22T14:57:50Z
last-modified: 2014-02-24T13:15:15Z
source: RIPE

% Information related to 'AS1103'

% Abuse contact for 'AS1103' is 'cert@surfnet.nl'

aut-num: AS1103
as-name: SURFNET-NL
descr: SURFnet, The Netherlands
org: ORG-Sb3-RIPE
remarks: For security/abuse issues:
remarks: "mnt-irt: irt-SURFnet-CERT" or
remarks: contact
import: from AS42 accept AS-PCH
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import: from AS14413 accept AS-LINKEDIN
import: from AS14907 accept AS14907
import: from AS15133 accept AS-EDGECAST
import: from AS15169 accept AS15169
import: from AS15412 accept AS-FLAGP
import: from AS15426 accept AS-XENOSITE
import: from AS15435 accept AS-KABELFOON
import: from AS15516 accept AS-DK-ARROWHEAD
import: from AS15542 accept AS-ZEELANDNET
import: from AS15557 accept AS-LDCOMNET
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import: from AS15703 accept AS-TRUESERVER
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import: from AS15830 accept AS-TELECITYGROUP
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import: from AS20932 accept AS-SIG
import: from AS20940 accept AS-AKAMAI
import: from AS20953 accept AS-INFO
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import: from AS20969 accept AS20969 AS25182
import: from AS21221 accept AS-INFOPACT
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import: from AS21263 accept AS-TELEDATA
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import: from AS21478 accept AS-PLEX
import: from AS22822 accept AS-LLNW
import: from AS24167 accept AS24167
import: from AS24586 accept AS-NL-INTERMAX
import: from AS24642 accept AS-NL-CAVEO
import: from AS24730 accept as24730
import: from AS24875 accept AS-ISPSERVICES
import: from AS24940 accept AS-HETZNER
import: from AS25074 accept AS-INETBONE
import: from AS25151 accept AS-CYSO
import: from AS25152 accept AS25152
import: from AS25182 accept AS25182
import: from AS25220 accept AS25220
import: from AS25459 accept AS-NEDZONE
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import: from AS25596 accept AS-CAMBRIUM
import: from AS28685 accept AS-ROUTIT
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import: from AS28788 accept AS-UNILOGICNET
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import: from AS29075 accept AS-IELO
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import: from AS29263 accept AS-HAAGNET
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import: from AS29462 accept AS29462
import: from AS30094 accept AS30094
import: from AS30132 accept AS-ISC-AMS1
import: from AS30781 accept AS-JAGUAR
import: from AS30889 accept AS-WAYCOM
import: from AS31019 accept AS31019
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import: from AS31529 accept AS-DENIC-ANYCAST
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import: from AS32787 accept AS-PROLE
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import: from AS33915 accept AS-TNF
import: from AS34106 accept AS-TELEGRAAF
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import: from AS34177 accept AS34177
import: from AS34288 accept AS34288:AS-IX:AS-SWISSIX
import: from AS34305 accept AS-EUROACCESS
import: from AS34307 accept AS34307
import: from AS34309 accept AS34309
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import: from AS206350 accept AS206350
export: to AS42 announce AS-SURFNET
export: to AS112 announce AS-SURFNET
export: to AS260 announce AS-SURFNET
export: to AS286 announce AS-SURFNET
export: to AS288 announce AS-SURFNET
export: to AS293 announce AS-SURFNET
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export: to AS714 announce AS-SURFNET
export: to AS1101 announce AS-SURFNET
export: to AS1102 announce AS-SURFNET
export: to AS1104 announce ANY
export: to AS1124 announce {0.0.0.0/0}
export: to AS1125 announce AS-SURFNET
export: to AS1126 announce {0.0.0.0/0}
export: to AS1128 announce {0.0.0.0/0}
export: to AS1132 announce AS-SURFNET
export: to AS1133 announce AS-SURFNET
export: to AS1136 announce AS-SURFNET
export: to AS1139 announce {0.0.0.0/0}
export: to AS1140 announce ANY
export: to AS1142 announce {0.0.0.0/0}
export: to AS1145 announce AS-SURFNET
export: to AS1147 announce AS-SURFNET
export: to AS1148 announce AS-SURFNET
export: to AS1151 announce AS-SURFNET
export: to AS1161 announce {0.0.0.0/0}
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export: to AS1200 announce ANY
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export: to AS28929 announce AS-SURFNET
export: to AS29075 announce AS-SURFNET
export: to AS29208 announce AS-SURFNET
export: to AS29263 announce AS-SURFNET
export: to AS29396 announce AS-SURFNET
export: to AS29462 announce AS-SURFNET
export: to AS30094 announce AS-SURFNET
export: to AS30132 announce AS-SURFNET
export: to AS30781 announce AS-SURFNET
export: to AS30889 announce AS-SURFNET
export: to AS31019 announce AS-SURFNET
export: to AS31027 announce AS-SURFNET
export: to AS31216 announce AS-SURFNET
export: to AS31477 announce AS-SURFNET
export: to AS31500 announce AS-SURFNET
export: to AS31529 announce AS-SURFNET
export: to AS31800 announce AS-SURFNET
export: to AS32787 announce AS-SURFNET
export: to AS32934 announce AS-SURFNET
export: to AS33891 announce AS-SURFNET
export: to AS33915 announce AS-SURFNET
export: to AS34106 announce AS-SURFNET
export: to AS34141 announce AS-SURFNET
export: to AS34177 announce AS-SURFNET
export: to AS34288 announce AS-SURFNET
export: to AS34305 announce AS-SURFNET
export: to AS34307 announce AS-SURFNET
export: to AS34309 announce AS-SURFNET
export: to AS34655 announce AS-SURFNET
export: to AS34762 announce AS-SURFNET
export: to AS34968 announce AS-SURFNET
export: to AS35332 announce AS-SURFNET
export: to AS35745 announce AS-SURFNET
export: to AS36408 announce AS-SURFNET
export: to AS36692 announce AS-SURFNET
export: to AS37100 announce AS-SURFNET
export: to AS37271 announce AS-SURFNET
export: to AS37468 announce AS-SURFNET
export: to AS39309 announce AS-SURFNET
export: to AS39326 announce AS-SURFNET
export: to AS39647 announce AS-SURFNET
export: to AS39704 announce AS-SURFNET
export: to AS41552 announce AS-SURFNET
export: to AS41692 announce AS-SURFNET
export: to AS41695 announce AS-SURFNET
export: to AS41887 announce AS-SURFNET
export: to AS41913 announce AS-SURFNET
export: to AS42165 announce AS-SURFNET
export: to AS42385 announce AS-SURFNET
export: to AS42707 announce AS-SURFNET
export: to AS43437 announce AS-SURFNET
export: to AS44654 announce AS-SURFNET
export: to AS46489 announce AS-SURFNET
export: to AS47195 announce AS-SURFNET
export: to AS47886 announce AS-SURFNET
export: to AS48283 announce AS-SURFNET
export: to AS49544 announce AS-SURFNET
export: to AS49685 announce AS-SURFNET
export: to AS49820 announce AS-SURFNET
export: to AS50056 announce AS-SURFNET
export: to AS50266 announce AS-SURFNET
export: to AS50295 announce AS-SURFNET
export: to AS51088 announce AS-SURFNET
export: to AS54113 announce AS-SURFNET
export: to AS57866 announce AS-SURFNET
export: to AS57976 announce AS-SURFNET
export: to AS59964 announce AS-SURFNET
export: to AS60144 announce AS-SURFNET
export: to AS62402 announce AS-SURFNET
export: to AS197000 announce AS-SURFNET
export: to AS197219 announce AS-SURFNET
export: to AS199524 announce AS-SURFNET
export: to AS203769 announce AS-SURFNET
export: to AS206130 announce AS-SURFNET
export: to AS206350 announce AS-SURFNET
admin-c: SNS1-RIPE
tech-c: SNS1-RIPE
status: LEGACY
mnt-by: RIPE-NCC-LEGACY-MNT
mnt-by: AS1103-MNT
created: 2002-09-23T12:44:58Z
last-modified: 2018-06-12T11:42:55Z
source: RIPE

organisation: ORG-Sb3-RIPE
org-name: SURFnet bv
org-type: LIR
address: P.O. Box 19035
address: 3501 DA
address: Utrecht
address: NETHERLANDS
phone: +31887873000
admin-c: HT3384-RIPE
admin-c: MK512-RIPE
admin-c: SNS1-RIPE
admin-c: JK9622-RIPE
admin-c: RVR19-RIPE
admin-c: WB311-RIPE
admin-c: NO17-RIPE
admin-c: RS957-RIPE
admin-c: SM12780-RIPE
abuse-c: SNS1-RIPE
mnt-ref: RIPE-NCC-HM-MNT
mnt-ref: SN-LIR-MNT
mnt-by: RIPE-NCC-HM-MNT
mnt-by: SN-LIR-MNT
created: 2004-04-17T11:43:29Z
last-modified: 2017-08-25T09:59:29Z
source: RIPE # Filtered

role: SURFnet Network Services
address: Kantoren Hoog Overborch (Hoog Catharijne)
address: Moreelsepark 48, 3511 EP Utrecht
address: Postbus 19035, 3501 DA Utrecht
phone: +31 88 7873000
admin-c: JK9622-RIPE
tech-c: NO17-RIPE
tech-c: JK9622-RIPE
tech-c: MK512-RIPE
nic-hdl: SNS1-RIPE
abuse-mailbox: cert@surfnet.nl
mnt-by: AS1103-MNT
created: 2002-07-09T10:06:06Z
last-modified: 2017-08-25T12:01:47Z
source: RIPE # Filtered

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

Geolocation

ASN Lookup

Ascleiden.nl Domain Name Information

Ascleiden.nl DNS Information

Domain name service records

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Host	A Record	TTL
ascleiden.nl	194.171.94.163	28800

Host	MX Record	Priority	TTL
ascleiden.nl	ascleiden-nl.mail.protection.outlook.com	0	28800

Host	NS Record	TTL
ascleiden.nl	edns5.ultradns.org	28800
ascleiden.nl	edns5.ultradns.com	28800

Host	TXT Record	TTL
ascleiden.nl	bLKEEPorQK0VqHNvIROIdzdWzlx0TzKB/B67y1DKrDNGhxmLxcxbL863+0rKhdir+2EpNTa7gTTl46ww7hGRHg==	28800
ascleiden.nl	MS=ms18662696	28800
ascleiden.nl	v=spf1 include:_spf.smtp.leidenuniv.nl -all	28800

Ascleiden.nl Whois Information

Information about registered users or assignees of an Internet resource

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Raw WHOIS data:

Whois

DNS Lookup

Ascleiden.nl HTML Validation

Ascleiden.nl W3C HTML Markup Validation

HTML markup errors and warnings

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Errors:

Legacy doctype. Expected “<!DOCTYPE html>”.

Attribute “xmlns:og” not allowed here.

Attribute “xmlns:article” not allowed here.

Attribute “xmlns:book” not allowed here.

Attribute “xmlns:profile” not allowed here.

Attribute “xmlns:video” not allowed here.

Attribute “xmlns:product” not allowed here.

Attribute “xmlns:content” not allowed here.

Attribute “xmlns:dc” not allowed here.

Attribute “xmlns:foaf” not allowed here.

Attribute “xmlns:rdfs” not allowed here.

Attribute “xmlns:sioc” not allowed here.

Attribute “xmlns:sioct” not allowed here.

Attribute “xmlns:skos” not allowed here.

Attribute “xmlns:xsd” not allowed here.

When the attribute “xml:lang” in no namespace is specified, the element must also have the attribute “lang” present with the same value.

The “version” attribute on the “html” element is obsolete. You can safely omit it.

The “profile” attribute on the “head” element is obsolete. To declare which “meta” terms are used in the document, instead register the names as meta extensions. To trigger specific UA behaviors, use a “link” element instead.

Attribute “datatype” not allowed on element “span” at this point.

Attribute “content” not allowed on element “span” at this point.

Warnings:

Attribute with the local name “xmlns:og” is not serializable as XML 1.0.

Attribute with the local name “xmlns:article” is not serializable as XML 1.0.

Attribute with the local name “xmlns:book” is not serializable as XML 1.0.

Attribute with the local name “xmlns:profile” is not serializable as XML 1.0.

Attribute with the local name “xmlns:video” is not serializable as XML 1.0.

Attribute with the local name “xmlns:product” is not serializable as XML 1.0.

Attribute with the local name “xmlns:content” is not serializable as XML 1.0.

Attribute with the local name “xmlns:dc” is not serializable as XML 1.0.

Attribute with the local name “xmlns:foaf” is not serializable as XML 1.0.

Attribute with the local name “xmlns:rdfs” is not serializable as XML 1.0.

Attribute with the local name “xmlns:sioc” is not serializable as XML 1.0.

Attribute with the local name “xmlns:sioct” is not serializable as XML 1.0.

Attribute with the local name “xmlns:skos” is not serializable as XML 1.0.

Attribute with the local name “xmlns:xsd” is not serializable as XML 1.0.

This document appears to be written in English. Consider adding “lang="en"” (or variant) to the “html” start tag.

HTML Validator

Ascleiden.nl Desktop Performance

How Well Ascleiden.nl Performs On Desktops?

Website desktop performance and usability tips

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Speed
Resource Breakdown

Speed

55%

Optimize images

Reduce server response time

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

Minify JavaScript

Minify CSS

Leverage browser caching

Updated: 07/01/2019

Ascleiden.nl Mobile Performance

How Optimized Is Ascleiden.nl for Mobile Devices?

Tips on speeding up mobile site performance

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Usability
Speed
Resource Breakdown

Usability

64%

Use legible font sizes

Configure the viewport

Size tap targets appropriately

Size content to viewport

Updated: 08/10/2019

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Ascleiden.nl URL Typos

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Total Resources	82
Number of Hosts	4
Static Resources	33
JavaScript Resources	6
CSS Resources	45

CSS	147.1 KBytes
Images	864.3 KBytes
HTML	78.3 KBytes
JavaScript	447.0 KBytes
Other	346.0 Bytes

Total Resources	44
Number of Hosts	4
Static Resources	40
JavaScript Resources	6
CSS Resources	6

CSS	92.2 KBytes
Images	541.3 KBytes
HTML	85.9 KBytes
JavaScript	447.0 KBytes
Other	346.0 Bytes

Ascleiden.nl African Studies Centre Leiden |

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Ascleiden.nl ASN Information

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Ascleiden.nl DNS Information

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Ascleiden.nl HTML Validation

Ascleiden.nl W3C HTML Markup Validation

Ascleiden.nl Desktop Performance

How Well Ascleiden.nl Performs On Desktops?

Ascleiden.nl Mobile Performance

How Optimized Is Ascleiden.nl for Mobile Devices?

Ascleiden.nl Nearest Competitors

Estimated Nearest Competitors Of Ascleiden.nl

Ascleiden.nl URL Typos

Most common user URL mistypes for ascleiden.nl