Asser.nl T.M.C. Asser Instituut

Asser.nl Overview

Asser.nl is the website of the T.M.C. Asser Instituut, which is a research center for international law located in The Hague, Netherlands. The website has a clean and professional look, with a gray and white color scheme and clear typography. Accessibility and clarity are important in this context, as the information provided is likely to be of interest to professionals in the legal field as well as students and interested parties.

The home page provides clear navigation to the different sections of the website, including the research activities, events, publications, and news. The layout is responsive, adapting to different screen sizes and devices. It is optimized for mobile devices, with a hamburger menu located at the top of the page that allows users to quickly access the different sections.

The website appears to be well-structured, with a logical hierarchy of pages and subpages. Each section of the website is organized in a way that makes sense, with clear headings and subheadings. The menu is easy to use, with dropdowns that provide access to different pages within each section. The footer also provides additional links to resources, including social media accounts.

The website's performance is quite good, with a PageSpeed Insights score of 64, which is above average. The website uses caching, compression, and optimized images to improve its performance. It also uses HTTPS encryption, providing a secure connection for users.

One potential area for improvement is the website's load time, which could be improved by further optimizing images and reducing the number of HTTP requests. However, the website already loads relatively quickly and is unlikely to cause significant problems for users.

Overall, the asser.nl website appears to be a well-structured and well-designed resource for professionals and interested parties in the field of international law. It provides a wealth of information, with clear navigation and a responsive design that works well on different devices. Its PageSpeed Insights score is above average, indicating that it is optimized for performance. The website is hosted by the University of Amsterdam and uses a .NL top-level domain, which indicates that it is Dutch-focused. The site values at $2920 US dollars, having 437 unique users per day and 437 page views. It is also family-friendly, with no inappropriate content or language.

Asser.nl Rank Summary

Global Rank

1,579,851

Average Load Time

0.00sec

Links In Count

767

Website Value

$2,920

Audience Geography. Where are asser.nl visitors located?

Country	Visitors

Country	Pageviews

Country	Rank

Where do visitors go on asser.nl?

Subdomain	Pageviews

Subdomain	Pageviews per User

Subdomain	Reach

How popular is asser.nl?

Period	Global Rank	Global Rank Delta
past 3 months	1579851	828087
past month	1809486	475019

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	2045416	1016674	1	-67.757%	1	-9.79%
30	2119937	322422	1	-20.78%	1	30%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	1408107	736527	2	-64.333%
30	1689793	549374	2	-40.26%

Asser.nl Website Safety

Overview

Last Updated: 05/16/2026

Overall result - asser.nl is safe.

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: 02/04/2026

asser.nl is safe.

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

Google Safe Search

Last Updated: 01/20/2017

asser.nl is safe.

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

asser.nl 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: 01/01/2021

asser.nl is safe.

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

Web of Trust

Last Updated: 01/11/2019

asser.nl child safety is very good.

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

SSL Information

SSL Checker Tool

Domain	*.asser.nl
Issuer Organization	Sectigo Limited
Issuer	Sectigo RSA Domain Validation Secure Server CA
Algorithm	RSA-SHA256
Valid form	09/25/2023
Expiration	09/25/2024
Signed	Certificate is not self signed
Additional Domains	*.asser.nl asser.nl

Asser.nl Rank History

Alexa Rank shows how popular asser.nl is in comparison with other sites. The most popular site has Alexa Rank equals 1. If asser.nl has Alexa Rank equals 100,000, then it is in TOP 100,000 popular sites in the world. The rank is calculated using a combination of average daily visitors to asser.nl and pageviews on asser.nl over the past 3 months.

Asser.nl Hosting Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 48635

ASN Title: Astralus B.V.

Last Update: 05/03/2026

% 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 'AS47104 - AS52223'

as-block: AS47104 - AS52223
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: 2015-09-30T14:19:22Z
last-modified: 2015-09-30T14:19:22Z
source: RIPE

% Information related to 'AS48635'

% Abuse contact for 'AS48635' is 'abuse@astralus.net'

aut-num: AS48635
as-name: ASTRALUS
org: ORG-AB166-RIPE
remarks: +-----------------------------------------------------+
remarks: Transit - IPv4:
remarks: +-----------------------------------------------------+
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import: from AS6830 action pref=80; accept ANY
export: to AS20562 announce AS-ASTRALUS
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export: to AS6453 announce AS-ASTRALUS
export: to AS6830 announce AS-ASTRALUS
remarks: +-----------------------------------------------------+
remarks: Transit - IPv6:
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mp-export: afi ipv6.unicast to AS20562 announce AS-ASTRALUS
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mp-export: afi ipv6.unicast to AS1299 announce AS-ASTRALUS
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mp-export: afi ipv6.unicast to AS6453 announce AS-ASTRALUS
mp-export: afi ipv6.unicast to AS6830 announce AS-ASTRALUS
remarks: +-----------------------------------------------------+
remarks: Customers - IPv4:
remarks: +-----------------------------------------------------+
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export: to AS60355 announce ANY
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mp-export: afi ipv6.unicast to AS36057 announce ANY
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mp-export: afi ipv6.unicast to AS8954 announce ANY
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mp-export: afi ipv6.unicast to AS203037 announce ANY
mp-import: afi ipv6.unicast from AS207257 action pref=95; accept AS207257
mp-export: afi ipv6.unicast to AS207257 announce ANY
mp-import: afi ipv6.unicast from AS60355 action pref=95; accept AS60355
mp-export: afi ipv6.unicast to AS60355 announce ANY
remarks: +-----------------------------------------------------+
remarks: Peers - NL-IX - IPv4:
remarks: +-----------------------------------------------------+
import: from AS6939 action pref=95; accept AS-HURRICANE
export: to AS6939 announce AS-ASTRALUS
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export: to AS3265 announce AS-ASTRALUS
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export: to AS51313 announce AS-ASTRALUS
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export: to AS16509 announce AS-ASTRALUS
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export: to AS20940 announce AS-ASTRALUS
import: from AS13335 action pref=95; accept AS13335
export: to AS13335 announce AS-ASTRALUS
import: from AS4651 action pref=95; accept AS4651
export: to AS4651 announce AS-ASTRALUS
import: from AS714 action pref=95; accept AS714
export: to AS714 announce AS-ASTRALUS
import: from AS12041 action pref=95; accept AS12041
export: to AS12041 announce AS-ASTRALUS
import: from AS36351 action pref=95; accept AS-SOFTLAYER
export: to AS36351 announce AS-ASTRALUS
import: from AS8283 action pref=95; accept AS-COLOCLUE
export: to AS8283 announce AS-ASTRALUS
import: from AS8075 action pref=95; accept AS-MICROSOFT
export: to AS8075 announce AS-ASTRALUS
remarks: +-----------------------------------------------------+
remarks: Peers - NL-IX - IPv6:
remarks: +-----------------------------------------------------+
mp-import: afi ipv6.unicast from AS6939 action pref=95; accept ANY
mp-export: afi ipv6.unicast to AS6939 announce AS-ASTRALUS
mp-import: afi ipv6.unicast from AS3265 action pref=95; accept AS-ACCESSFORALL
mp-export: afi ipv6.unicast to AS3265 announce AS-ASTRALUS
mp-import: afi ipv6.unicast from AS39591 action pref=95; accept AS39591
mp-export: afi ipv6.unicast to AS39591 announce AS-ASTRALUS
mp-import: afi ipv6.unicast from AS51313 action pref=95; accept AS-KEENONDOTS
mp-export: afi ipv6.unicast to AS51313 announce AS-ASTRALUS
mp-import: afi ipv6.unicast from AS16509 action pref=95; accept AS16509
mp-export: afi ipv6.unicast to AS16509 announce AS-ASTRALUS
mp-import: afi ipv6.unicast from AS20940 action pref=95; accept AS-AKAMAI
mp-export: afi ipv6.unicast to AS20940 announce AS-ASTRALUS
mp-import: afi ipv6.unicast from AS13335 action pref=95; accept AS13335
mp-export: afi ipv6.unicast to AS13335 announce AS-ASTRALUS
mp-import: afi ipv6.unicast from AS4651 action pref=95; accept AS4651
mp-export: afi ipv6.unicast to AS4651 announce AS-ASTRALUS
mp-import: afi ipv6.unicast from AS714 action pref=95; accept AS714
mp-export: afi ipv6.unicast to AS714 announce AS-ASTRALUS
mp-import: afi ipv6.unicast from AS12041 action pref=95; accept AS12041
mp-export: afi ipv6.unicast to AS12041 announce AS-ASTRALUS
mp-import: afi ipv6.unicast from AS36351 action pref=95; accept AS-SOFTLAYER
mp-export: afi ipv6.unicast to AS36351 announce AS-ASTRALUS
mp-import: afi ipv6.unicast from AS8283 action pref=95; accept AS-COLOCLUE
mp-export: afi ipv6.unicast to AS8283 announce AS-ASTRALUS
mp-import: afi ipv6.unicast from AS8075 action pref=95; accept AS-MICROSOFT
mp-export: afi ipv6.unicast to AS8075 announce AS-ASTRALUS
remarks: +-----------------------------------------------------+
remarks: Routeservers - IPv4
remarks: +-----------------------------------------------------+
import: from AS34307 action pref=95; accept ANY
export: to AS34307 announce AS-ASTRALUS
import: from AS49917 action pref=95; accept ANY
export: to AS49917 announce AS-ASTRALUS
remarks: +-----------------------------------------------------+
remarks: Routeservers - IPv6
remarks: +-----------------------------------------------------+
mp-import: afi ipv6.unicast from AS34307 action pref=95; accept ANY
mp-export: afi ipv6.unicast to AS34307 announce AS-ASTRALUS
mp-import: afi ipv6.unicast from AS49917 action pref=95; accept ANY
mp-export: afi ipv6.unicast to AS49917 announce AS-ASTRALUS
remarks: +-----------------------------------------------------+
remarks: Others - IPv4
remarks: +-----------------------------------------------------+
import: from AS200020 action pref=85; accept AS200020
export: to AS200020 announce AS-ASTRALUS
remarks: +-----------------------------------------------------+
admin-c: TDL102-RIPE
tech-c: RVK153-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: nl-astralus-1-mnt
created: 2008-12-19T14:48:26Z
last-modified: 2018-06-29T11:54:17Z
source: RIPE

organisation: ORG-AB166-RIPE
org-name: Astralus B.V.
org-type: LIR
address: Londensekaai 1
address: 4331JG
address: Middelburg
address: NETHERLANDS
admin-c: TDL102-RIPE
tech-c: TDL102-RIPE
tech-c: RVK153-RIPE
abuse-c: AR39029-RIPE
mnt-ref: nl-astralus-1-mnt
mnt-by: RIPE-NCC-HM-MNT
mnt-by: nl-astralus-1-mnt
created: 2017-01-23T10:00:25Z
last-modified: 2017-01-24T17:20:53Z
source: RIPE # Filtered
phone: +31118700213

person: Rick van Kerkvoorden
address: Londensekaai 1
address: 4331JG
address: Middelburg
address: NETHERLANDS
phone: +31118700213
nic-hdl: RVK153-RIPE
mnt-by: nl-astralus-1-mnt
created: 2017-01-23T10:00:25Z
last-modified: 2017-01-23T10:00:25Z
source: RIPE

person: Thomas de Looff
address: Londensekaai 1
address: 4331JG
address: Middelburg
address: NETHERLANDS
phone: +31118700213
nic-hdl: TDL102-RIPE
mnt-by: nl-astralus-1-mnt
created: 2017-01-23T10:00:25Z
last-modified: 2017-01-23T10:00:25Z
source: RIPE

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

Asser.nl Domain Registration and Settings

WHOIS

WHOIS Lookup Tool

Domain name: asser.nl
Status: active

Reseller:
Argeweb
Grote Voort 225
8041BK Zwolle
Netherlands

Registrar:
Realtime Register
Burgemeester Drijbersingel 51
8021JB Zwolle
Netherlands

DNSSEC: yes

Domain nameservers:
ns1.argewebhosting.eu
ns3.argewebhosting.nl
ns2.argewebhosting.com

Creation Date: 1992-04-09

Updated Date: 2021-11-30

Record maintained by: SIDN BV

DNS Records

DNS Lookup Tool

Host	A Record	TTL
asser.nl	194.171.107.214	600

Host	MX Record	Priority	TTL
asser.nl	asser-nl.mail.protection.outlook.com	10	600

Host	NS Record	TTL
asser.nl	ns1.argewebhosting.eu	600
asser.nl	ns2.argewebhosting.com	600
asser.nl	ns3.argewebhosting.nl	600

Host	TXT Record	TTL
asser.nl	MS=ms88774915	600
asser.nl	v=spf1 include:_spf.mlsend.com ip4:194.171.107.214 ip4:194.171.107.215 ip4:194.171.107.216 ip4:194.171.107.200 ip4:194.171.107.208 ip6:2001:610:440:2:194:171:107:214 ip6:2001:610:440:2:194:171:107:215 ip6:2001:610:440:2:194:171:107:216 ip6:2001:610:440:2:	600

ns1.argewebhosting.eu
TTL: 600
Email address: hostmaster.argeweb.nl
Serial: 2024092002
Refresh: 10800
Retry: 3600
Expire: 604800
Minimum: 3600

Asser.nl HTML Check

HTML Validation Tool

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.

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

The “language” attribute on the “script” element is obsolete. You can safely omit it.

Errors

Attribute “value” not allowed on element “meta” at this point.

Element “meta” is missing one or more of the following attributes: “content”, “property”.

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

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

An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.

Asser.nl Desktop Performance

Last tested: 06/03/2017

Desktop Speed

74%

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

Leverage browser caching

Enable compression

Optimize images

Reduce server response time

Desktop Resource Breakdown

Total Resources	51
Number of Hosts	12
Static Resources	38
JavaScript Resources	10
CSS Resources	4

Asser.nl Mobile Insights

Last tested: 05/19/2017

Mobile Usability

99%

Size tap targets appropriately

Mobile Speed

64%

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

Leverage browser caching

Enable compression

Optimize images

Reduce server response time

Minify HTML

Mobile Resource Breakdown

Total Resources	47
Number of Hosts	12
Static Resources	33
JavaScript Resources	10
CSS Resources	5

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Asser.nl T.M.C. Asser Instituut

Asser.nl Overview

Asser.nl Rank Summary

Asser.nl Website Safety

Asser.nl Rank History

Asser.nl Hosting Information

Asser.nl Domain Registration and Settings

Asser.nl HTML Check

Asser.nl Desktop Performance

Asser.nl Mobile Insights

Asser.nl Similar Audits

Asser.nl Common Typos