cwts ✓ CWTS - Centre for Science and Technology Studies

Pagespeed Score

Desktop	67/100	❗
Mobile	39/100	✘

Optimization Stats

Field	Data	Result
Page Size	45 KB	✔
Compression	13 KB (-71%)	✔
Text/Html Ratio	5592 / 46448 (bytes) = 12.04%	✔
Load Time	3.82 second	✘
Mobile Ready	0/100	✘
In-Page Links	99	✔
Doc Type	HTML 5	✔
Encoding	ISO-8859-1	✔
Declared Language	English	✔
Preferred Domain	Yes	✔
Robots.txt	Yes	✔
Url Rewrite	No	✔
Underscores in url	No	✔
Images Without ALT	8 / 14	✘
Embedded Objects (Desktop)	No	✔
Embedded Objects (Mobile)	No	✔
Iframe	No	✔
Custom 404 page	Yes	✔
Email Privacy	No	✘
Gsafe browsing	Yes	✔
Analytics	Yes	✔
W3C Validity	No	✘

Keyword Consistency ✔

Keywords	Freq	Title	Desc	<H>
science	13	✔	✔	✘
cwts	13	✔	✔	✘
research	12	✘	✘	✘
leiden	7	✔	✘	✘
bibliometric	5	✘	✘	✘
responsible	5	✘	✘	✘
open	4	✘	✘	✘
course	4	✘	✘	✘
technology	4	✔	✔	✘
centre	4	✔	✘	✘
studies	4	✔	✔	✘
scistip	3	✘	✘	✘
projects	3	✘	✘	✘
innovation	3	✘	✔	✘
citnetexplorer	2	✘	✘	✘

75/100

Update

December, 22 2020

With 3.82 seconds in page load, 45 KB of page size and all other reports below, the cwts.nl has a SEO score of 75 out of 100

Meta tags data

Title	CWTS - Centre for Science and Technology Studies - Leiden University
Description	CWTS studies the development of science, technology, and science-related innovation.
Keyword

Domain Registration

Age	19 Years, 330 Days
Created	26th-Jan-2001
Updated	14th-Feb-2017
Expiry	N/a

DNS Data

Host	Type	Ttl	Other
cwts.nl	A	3574	ip:132.229.26.33
cwts.nl	NS	28800	target:indigo.leidenuniv.nl
cwts.nl	NS	28800	target:violet.leidenuniv.nl
cwts.nl	SOA	28800	mname:indigo.leidenuniv.nl rname:postmaster.leidenuniv.nl serial:146 refresh:900 retry:600 expire:86400 minimum-ttl:3600
cwts.nl	MX	1800	pri:20 target:mx2.surfmailfilter.nl
cwts.nl	MX	1800	pri:20 target:mx1.surfmailfilter.nl
cwts.nl	TXT	28800	txt:DXqs19oKq6hWNJYNPq88+Spb+Bbn7A32kxUWoNFsfifbtj8fxBqBFY0HBa9SIL3ctmV6Aj7H+jpb6KX0+MUoKQ==
cwts.nl	TXT	28800	txt:MS=ms70192664

http Headers

WHOIS Data

Domain name: cwts.nl Status: active Registrar: Universiteit Leiden Niels Bohrweg 1 2333CA LEIDEN Netherlands Abuse Contact: abuse@leidenuniv.nl Creation Date: 2001-01-26 Updated Date: 2017-02-14 DNSSEC: no Domain nameservers: indigo.leidenuniv.nl violet.leidenuniv.nl Record maintained by: NL Domain Registry Copyright notice No part of this publication may be reproduced, published, stored in a retrieval system, or transmitted, in any form or by any means, electronic, mechanical, recording, or otherwise, without prior permission of the Foundation for Internet Domain Registration in the Netherlands (SIDN). These restrictions apply equally to registrars, except in that reproductions and publications are permitted insofar as they are reasonable, necessary and solely in the context of the registration activities referred to in the General Terms and Conditions for .nl Registrars. Any use of this material for advertising, targeting commercial offers or similar activities is explicitly forbidden and liable to result in legal action. Anyone who is aware or suspects that such activities are taking place is asked to inform the Foundation for Internet Domain Registration in the Netherlands. (c) The Foundation for Internet Domain Registration in the Netherlands (SIDN) Dutch Copyright Act, protection of authors' rights (Section 10, subsection 1, clause 1).

Server Location

Server IP	132.229.26.33
Server Location	Netherlands
Service Provider	SURFnet bv

Domain Availability

Domains (TLD)	Status
cwts.com	Already Registered
cwts.net	Already Registered
cwts.org	Already Registered
cwts.biz	Already Registered
cwts.io	Already Registered

Typo Availability

Domains (TLD)	Status
xwts.nl	Available
swts.nl	Already Registered
dwts.nl	Already Registered
fwts.nl	Already Registered
vwts.nl	Already Registered

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Cwts.nl SEO Analysis