sei.se website report

Stockholm Environment Institute: bridging science and policy

Stockholm Environment Institute is an international non-profit research institute that tackles environment and sustainable development challenges.

Sei was registered 32 years 10 months ago, is ranked #3,134,022 worldwide (top 96%), has an estimated value of $1,075. It may earn around $57 per month from advertising.

Science English

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Last updated 3 weeks ago

Estimated worth

$1,075

Automated valuation

Global rank

#3,134,022

Improving

Monthly visitors

594

30K page views

Domain age

32 years 10 months

Since Nov 29, 1993

Hosted in

Sweden

Bahnhof Internet AB

Security headers

25/100

Response 0.99 s

Key facts about sei.se

Domain: sei.se
Website name: Stockholm Environment Institute: bridging science and policy
Category: Science
Estimated worth: $1,075
Global rank: #3,134,022 (top 96% of 3.3M ranked sites)
Monthly visitors (est.): 594 · 30K page views
Registered: November 29, 1993 (32 years 10 months ago)
Expires: December 31, 2026
Registrar: Bahnhof Internet AB
Server location: Stockholm, Sweden
Network: Bahnhof Internet AB AS8473
Email provider: Microsoft 365
Language: English
Data updated: October 4, 2026

Estimated traffic & revenue

	Page views	Visitors	Ad revenue
Daily	990	20	$2
Monthly	29,709	594	$57
Yearly	356,508	7,128	$684

Modelled from the global rank — not measured analytics. Use them to compare sites, not as exact figures.

Global rank history

Monthly values

Month	Global rank
2026-06	#37,966,705
2026-07	#2,206,630
2026-08	#1,970,014
2026-10	#3,134,022

Source: Rankeez (Tranco, Majestic, DomCop, Cisco Umbrella).

How we estimate sei.se's value

$1,075

The estimate is the higher of two independent approaches, both computed automatically from public data.

Traffic value: $720Driven by the global rank #3,134,022 (≈30K page views / month) plus a capped age bonus.
Activity value: $1,075Domain age plus observable signs of an active, professionally run website.

Activity signals found

Domain age (32 years 10 months)	$400
Active website with metadata	+$150
Substantial homepage content	+$150
Professional email (Microsoft 365)	+$150
Email authentication (SPF)	+$50
Business services (Microsoft 365)	+$100
Security headers (25/100)	+$75

Revenue, sales or private analytics are not public and are not included. This is not an appraisal or a sale price.

On-page SEO

Title	Stockholm Environment Institute: bridging science and policy 60 chars
Meta description	Stockholm Environment Institute is an international non-profit research institute that tackles environment and sustainable development challenges. 146 chars
Meta keywords	None
Language	English
Response time	0.99 s Average

Homepage structure

H1 headings0

H2 headings5

H3 headings0

H4 headings0

Paragraphs91

Links131

Images27

Bold text0

No H1 heading found in the server HTML.

Technology & infrastructure

CDN / proxy	None detected
Web server	Apache
Platform / language	Not disclosed
DNS provider	Amazon Route 53
Email provider	Microsoft 365
SPF record	`v=spf1 include:spf.protection.outlook.com -all`
IPv6 (AAAA)	No
CAA record	No

Services verified in DNS

Google Search Console Microsoft 365

Detected from TXT verification and SPF records published by the domain owner.

Domain name

Extension	.se — the country-code extension of Sweden
Name length	3 characters Short
Hyphens / digits	No hyphen · no digits

Security headers

1 passed · 2 to improve · 5 missing
Collected with an older method; a fresh check is running and will appear on your next visit.

HTTPSThe homepage is not served over HTTPS.
Strict-Transport-Security (HSTS)Not set: browsers may still try plain HTTP first.
Content-Security-PolicyNot set: no restriction on which scripts may run.
Clickjacking protectionNeither X-Frame-Options nor CSP frame-ancestors is set.
X-Content-Type-OptionsNot set to nosniff.
Referrer-PolicyNot set (browsers default to strict-origin-when-cross-origin).
Permissions-PolicyNot set: browser features are not explicitly restricted.
Software version disclosureNo software version numbers disclosed in headers.

Raw HTTP response headers

HTTP/1.1 301 Moved Permanently
Date: Tue, 07 Jul 2026 21:45:27 GMT, Tue, 07 Jul 2026 21:45:27 GMT
Server: Apache, Apache
Location: http://www.sei-international.org/
Content-Length: 241, 199
Connection: close, close
Content-Type: text/html; charset=iso-8859-1, text/html; charset=iso-8859-1
HTTP/1.1 403 Forbidden

Hosting

IP address	`5.150.246.86`
Location	Stockholm, Sweden
Network (ISP)	Bahnhof Internet AB
Autonomous system	AS8473 Bahnhof Internet AB
Server software	Apache

Nameservers

Host	IP	Country
ns-328.awsdns-41.com	`205.251.193.72`	United States
ns-1952.awsdns-52.co.uk	`205.251.199.160`	United States
ns-753.awsdns-30.net	`205.251.194.241`	United States
ns-1034.awsdns-01.org	`205.251.196.10`	United States

Domain registration (WHOIS)

Registrar	Bahnhof Internet AB
Created	November 29, 1993 32 years 10 months ago
Updated	November 28, 2025
Expires	December 31, 2026 in 66 days
Status	ok

Raw WHOIS record

# 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:           sei.se
holder:           CINCBM5482-64771
created:          1993-11-29
modified:         2025-11-28
expires:          2026-12-31
transferred:      2019-12-02
nserver:          ns-328.awsdns-41.com
nserver:          ns-1952.awsdns-52.co.uk
nserver:          ns-753.awsdns-30.net
nserver:          ns-1034.awsdns-01.org
dnssec:           unsigned delegation
registry-lock:    unlocked
status:           ok
registrar:        Gandi SAS

DNS records

Type	Host	Value	TTL
A	sei.se	ip: 5.150.246.86	297
NS	sei.se	target: ns-1034.awsdns-01.org	86400
NS	sei.se	target: ns-328.awsdns-41.com	86400
NS	sei.se	target: ns-753.awsdns-30.net	86400
NS	sei.se	target: ns-1952.awsdns-52.co.uk	86400
SOA	sei.se	mname: ns-1034.awsdns-01.org rname: awsdns-hostmaster.amazon.com serial: 1 refresh: 7200 retry: 900 expire: 1209600 minimum-ttl: 86400	900
MX	sei.se	pri: 0 target: sei-se.mail.protection.outlook.com	3600
TXT	sei.se	txt: v=spf1 include:spf.protection.outlook.com -all	300
TXT	sei.se	txt: snlhtxbsq608mp5w6w3smhtf6z2qjm2m	300
TXT	sei.se	txt: ZOOM_verify_DyRXeiJAJIQqkLMN8wbnu3	300
TXT	sei.se	txt: google-site-verification=6hIprnKYh7YC2RmcmjFl6_Ka7LUv6TCcmM9BFop91es	300

Websites similar to sei.se

More alternatives on Similars.net →

sei-us.org Stockholm Environment Institute: bridging science and policy #2,923,265$673

sei-international.org Stockholm Environment Institute: bridging science and policy #295,805$5,708

teriin.org TERI: Innovative Solutions for Sustainable Development - India #88,894$23,435

sei.se compared with similar websites

Website	Global rank	Est. worth	Registered	Hosted in
sei.se	#3,134,022	$1,075	1993	Sweden
sei-us.org	#2,923,265	$673	2005	United States
sei-international.org	#295,805	$5,708	2009	Sweden
teriin.org	#88,894	$23,435	1996	United States

Websites ranked near sei.se

#3,133,991 tabacofamily.com $720
#3,134,003 serienoldies.de $375
#3,134,005 factacular.com $645
#3,134,007 righteoustales.com $585
#3,134,022 sei.se $1,075
#3,134,030 c3bank.com $510
#3,134,036 tnfeecommittee.com $435
#3,134,037 slider-templates.com $435
#3,134,042 greenribboncommission.org $375

Questions about sei.se

When was sei.se registered?

Sei.se was registered on November 29, 1993, making it 32 years 10 months old.

Who is the domain registrar for sei.se?

Sei.se is registered through Bahnhof Internet AB.

Where is sei.se hosted?

Sei.se's server (IP 5.150.246.86) is located in Stockholm, Sweden.

How much is sei.se worth?

We estimate sei.se is worth $1,075. This is an automated estimate based on the site's global traffic rank, domain age and observable activity signals (professional email, business services, security, CDN) — not a professional appraisal or a real sale price.

How much traffic does sei.se get?

Based on its rank, sei.se receives roughly 594 unique visitors and 30K page views per month. These figures are modelled from the rank, not measured.

What is sei.se's global rank?

Sei.se has an estimated global rank of 3,134,022, sourced from Rankeez.com, which aggregates the Tranco, Majestic, DomCop and Cisco Umbrella rankings. Its rank has improved over the tracked period. This is an independent estimate, not affiliated with Amazon Alexa, which discontinued its own ranking service in 2022.

Who hosts sei.se?

Sei.se resolves to 5.150.246.86, on the network of Bahnhof Internet AB (AS8473). Its DNS is managed by Amazon Route 53.

What email provider does sei.se use?

According to its MX records, sei.se receives email with Microsoft 365. It publishes an SPF record to authenticate its outgoing mail.

When does sei.se expire?

The domain registration of sei.se is valid until December 31, 2026 (in 66 days), at Bahnhof Internet AB. Owners usually renew before that date.

What websites are similar to sei.se?

Popular websites in the same category as sei.se include sei-us.org, sei-international.org, teriin.org.

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<a href="https://statmemory.com/sei.se"><img src="https://statmemory.com/badge/sei.se.svg" alt="sei.se on StatMemory" height="20"></a>

Shows your live global rank. To cite this report: “StatMemory, sei.se website report, https://statmemory.com/sei.se”.

StatMemory is not affiliated with sei.se. This report shows publicly available data (DNS, WHOIS, HTTP headers, public top-site lists) and automated estimates for information purposes.