leiden.edu - Home - Leiden University

Leiden.edu Quick Summary

Status

Online

Server IP address resolved: Yes

Http response code: 200

Response time: 2.13 sec.

Last Checked: 11/09/2024

Leiden.edu traffic estimate is about 1,014 unique visitors and 1,927 pageviews per day. The approximated value of leiden.edu is 32,850 USD. Every unique visitor makes about 1.9 pageviews on average.

Alexa Traffic Rank estimates that leiden.edu is ranked number 28,035 in the world, while most of its traffic comes from Netherlands, where it occupies as high as 15,199 place.

It’s good for leiden.edu that their hosting company SURFnet bv is located in Netherlands, as that provides the majority of their visitors to benefit from the faster page load time. See the list of other websites hosted by SURFnet bv.

Leiden.edu is registered under .EDU top-level domain. Check other websites in .EDU zone.

During the last check (April 28, 2021) leiden.edu has an expired SSL certificate issued by Sectigo Limited (expired on August 20, 2021), please click the “Refresh” button for SSL Information at the Safety Information section. Check other websites using SSL certificates issued by Sectigo Limited.

In accordance with Google Safe Browsing, Google Safe Search, Symantec and Web of Trust leiden.edu is pretty a safe domain.

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

Leiden.edu General Information

Leiden.edu Audience Geography

Where are website visitors coming from?

Visitors
Pageviews
Ranks

Country	Visitors
Netherlands NL	43.6%
India IN	5.9%
Indonesia ID	4.4%
Other	46.3%

Country	Rank
Netherlands NL	15199
Indonesia ID	61578
India IN	271464

Leiden.edu Traffic Distribution

Where do visitors go on leiden.edu?

Subdomain Traffic
Views per User
Subdomain Reach

Subdomain	Pageviews
students-faq.leiden.edu	27.99%
mediatechnology.leiden.edu	13.93%
apply.leiden.edu	11.71%
other	46.49%

Subdomain	Views per User
students-faq.leiden.edu	2
apply.leiden.edu	1
mediatechnology.leiden.edu	1

Subdomain	Reach
mediatechnology.leiden.edu	21.98%
students-faq.leiden.edu	21.78%
apply.leiden.edu	13.27%

Leiden.edu Popularity

How popular is leiden.edu?

Global Rank
Pageviews
Reach

Period	Global Rank	Global Rank Delta
past 3 months	353124	-156938
past month	428059	61254
past week	343742	-275317
yesterday	1076812	669255

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	446780	-141176	8	50%	1.9	-13.06%
30	593107	145128	6	-31.1%	1.6	-23.7%
7	515649	-200361	7	60%	1	-30%
1	712337	89506	3	-37.34%	5	400%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	337402	-171482	15	70%
30	390903	30247	13	-9.336%
7	307711	-323091	2	100%
1	1160560	829899	2	-87.859%

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Leiden.edu Safety Information

Rankchart Summary

Safe

Updated: 11/09/2024

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: 03/22/2024

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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: 10/21/2016

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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: 02/23/2021

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McAfee assesses leiden.edu 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 leiden.edu for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Child safety is very good

Updated: 01/10/2019

(Rescan now...)

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

Leiden.edu SSL Information

Information about SSL/TLS certificates

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Domain	leiden.edu
Issuer Organization	Sectigo Limited
Issuer	Sectigo RSA Organization Validation Secure Server CA
Algorithm	RSA-SHA256
Valid form	08/20/2020
Expiration	08/20/2021
Signed	Certificate is not self signed
Additional Domains	leiden.edu *.leiden.edu

SSL Checker

Leiden.edu Server Information

Leiden.edu Server Location

Where website hosting server is located?

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Leiden.edu ASN Information

Information about IP address owner

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ASN ID: 1103

ASN Title: SURFnet bv

Updated: 07/19/2024

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
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export: to AS28876 announce AS-SURFNET
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

Leiden.edu Domain Name Information

Leiden.edu DNS Information

Domain name service records

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Host	A Record	TTL
leiden.edu	132.229.13.193	300

Host	MX Record	Priority	TTL
leiden.edu	mx2.surfmailfilter.nl	20	21600
leiden.edu	mx1.surfmailfilter.nl	20	21600

Host	NS Record	TTL
leiden.edu	violet.leidenuniv.nl	21600
leiden.edu	indigo.leidenuniv.nl	21600
leiden.edu	ns1.surfnet.nl	21600

Host	TXT Record	TTL
leiden.edu	v=spf1 include:_spfout.mf.surf.net include:_spf.smtp.leidenuniv.nl ?all	21600

Leiden.edu Whois Information

Information about registered users or assignees of an Internet resource

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Raw WHOIS data:

Whois

DNS Lookup

Leiden.edu HTML Validation

Leiden.edu W3C HTML Markup Validation

HTML markup errors and warnings

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Errors:

When the “srcset” attribute has any image candidate string with a width descriptor, the “sizes” attribute must also be present.

Warnings:

Consider using the “h1” element as a top-level heading only (all “h1” elements are treated as top-level headings by many screen readers and other tools).

HTML Validator

Leiden.edu Desktop Performance

How Well Leiden.edu Performs On Desktops?

Website desktop performance and usability tips

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Speed
Resource Breakdown

Speed

71%

Enable compression

Leverage browser caching

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

Reduce server response time

Minify CSS

Optimize images

Minify HTML

Minify JavaScript

Updated: 11/21/2016

Leiden.edu Mobile Performance

How Optimized Is Leiden.edu for Mobile Devices?

Tips on speeding up mobile site performance

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Usability
Speed
Resource Breakdown

Usability

99%

Size tap targets appropriately

Updated: 11/20/2017

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Total Resources	29
Number of Hosts	4
Static Resources	24
JavaScript Resources	8
CSS Resources	2

CSS	63.9 KBytes
Images	608.0 KBytes
HTML	18.3 KBytes
JavaScript	493.9 KBytes
Other	57.0 Bytes

Total Resources	39
Number of Hosts	10
Static Resources	16
JavaScript Resources	15
CSS Resources	1

Text	102.3 KBytes
CSS	102.9 KBytes
Images	1.1 MBytes
HTML	21.8 KBytes
JavaScript	327.9 KBytes
Other	3.4 KBytes

Leiden.edu Home - Leiden University

Leiden University, The Netherlands, was founded in 1575 and is one of Europe’s leading international research universities. It has seven faculties in ...

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Leiden.edu Desktop Performance

How Well Leiden.edu Performs On Desktops?

Leiden.edu Mobile Performance

How Optimized Is Leiden.edu for Mobile Devices?

Leiden.edu Nearest Competitors

Estimated Nearest Competitors Of Leiden.edu

Leiden.edu URL Typos

Most common user URL mistypes for leiden.edu