Izw.baw.de - SEO Checker

Sign up for free! PDF Export
Overview of the SEO Check
Meta information
80% 
Page quality
61% 
Page structure
70% 
Link structure
76% 
Server
45% 
External factors
17% 
SEO Score
Response time
0.08 s
File size
16.00 kB
Words
453
Media files
7
Number of links
59 internal / 28 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Infozentrum Wasserbau (IZW) - Start
The length of the page title is perfect. (328 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
Das Infozentrum Wasserbau (IZW) ist die Bibliothek der Bundesanstalt für Wasserbau in Karlsruhe. Sie ist zugleich Literatur-, Informations- und Dokumentationsstelle der Wasserstraßen- und Schifffahrtsverwaltung des Bundes (WSV).
The meta description is too long: 1441 pixels from max. 1000 pixels. Optimize description
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
No canonical link is specified.
Language
(Somewhat important)
Language detected in text: de
Language defined in HTML: de
Server location: United States of America
The following language is defined by HTML: de
Alternate/Hreflang Links
(Somewhat important)
There are no alternate links specified on this page.
Other meta tags
(Somewhat important)
There is no rel next meta tag on this page.
There is no rel prev meta tag on this page.
Domain
(Somewhat important)
The domain is no subdomain.
The domain length is good.
The domain does not contain non-latin characters.
Page URL
(Somewhat important)
No parameters were found in the URL.
No session ID was found in the URL.
The URL does not have too many subdirectories.
Charset encoding
(Somewhat important)
The charset encoding (UTF-8) is set correctly.
Doctype
(Nice to have)
The doctype HTML 5 is set correctly.
The doctype is placed at first in the HTML code.
Favicon
(Nice to have)
The favicon is linked correctly.

Meta tags

NameValue
viewportwidth=device-width, initial-scale=1
descriptionDas Infozentrum Wasserbau (IZW) ist die Bibliothek der Bundesanstalt für Wasserbau in Karlsruhe. Sie ist zugleich Literatur-, Informations- und Dokumentationsstelle der Wasserstraßen- und Schifffahrtsverwaltung des Bundes (WSV).
langde
X-UA-CompatibleIE=edge
charsetutf-8

Check up to 25,000 subpages of izw.baw.de at once, now!

🚀 Try for free
Guaranteed free of charge during trial period.

Page quality

Content
(Critically important)
Some words from the page title are not used within the pages content
There are only 453 words on this page. Good pages should have about 800 words of useful content.
27.4% of the text are stop words.
Words from the H1 heading are used in the page content.
The page contains a listing, which indicates a good text layout.
10 paragraphs were found on this page.
No placeholders texts or images were found.
There are no duplicates on the site.
The average number of words per sentence of 17.67 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
A viewport "width=device-width, initial-scale=1" is provided.
At least one Apple touch icon is specified.
This page only loads 2 JavaScript files. That's good!
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 9 tags for this page.
Image SEO
(Somewhat important)
1 images have no alt attribute. The content of alt attributes is used by search engines.
Social Networks
(Nice to have)
There are only a few social sharing widgets on the page. Make your website popular in social networks with social sharing widgets.
Additional markup
(Nice to have)
No additional page markup was found.
HTTPS
(Somewhat important)
This website uses HTTPS to protect privacy and integrity of the exchanged data.
All included files are also transferred via HTTPS.

Media list

URLAlt attributeTitle
https://izw.baw.de/images/izw.svgLogo des Infozentrums Wasserbau
https://izw.baw.de/images/stage.jpgNo alt attribute provided
/images/home/bibliothekskatalog.jpgBibliothekskatalog
/images/home/open-access.pngHENRY - Das Repositorium für den Wasserbau
/images/home/medienarchiv.jpgMedienarchiv
https://izw.baw.de/images/home/bawiki.jpgBAWiki
https://izw.baw.de/images/host.svgBundesanstalt für Wasserbau

Page structure

H1 heading
(Critically important)
Infozentrum Wasserbau
Too many H1 headings
Headings
(Important)
The heading structure is perfect.

Heading structure

Heading levelContent
H1 Infozentrum Wasserbau
H1 Aktuelle Meldungen
H2 Bibliothekskatalog
H2 Open-Access-Publikationen
H2 Medienarchiv
H2 BAWiki
H2 Dresdner Wasserbaukolloquium 2025 - online verfügbar
H2 Technisches Regelwerk Wasserstraßen (TR-W) - Neue Ausgabe 2025-03
H2 BAW-Forschungskompendium 2024 ist erschienen
H2 Portal KuWiK (Küste und Wasserstraße im Klimawandel)
H2 NEU: STLK-W LB 210 Böschungs- und Sohlensicherung, Ausgabe Februar 2025
Some anchor texts are used more than once.
The number of internal links is ok.
None of the anchor texts is too long.
All internal links are not using dynamic parameters.
There are too many external links (28) on this page.

Found links on this page

LinkAttributesAnchor text
https://izw.baw.de/deAnchor Zum Hauptinhalt springen
https://izw.baw.de/de/hilfe Hilfe
https://izw.baw.de/de/kontakt Kontakt
https://izw.baw.de/de/impressum Impressum
https://izw.baw.de/de/datenschutz Datenschutz
https://izw.baw.de/de/newsletter IZW-Newsletter
https://izw.baw.de/en English
https://izw.baw.de/IMG-ALT Logo des Infozentrums Wasserbau
A-TITLE Link zur Startseite
http://www.baw.de/New window External Subdomain Ein Service der BAW
https://izw.baw.de/de/bibliothekBibliothek
/de/bibliothek/aktuellesAktuelles
/de/bibliothek/izwInfozentrum Wasserbau
/de/bibliothek/fachauskunftFachauskunft
/de/bibliothek/ausleiheAusleihe
/de/recherchierenRecherchieren
https://touchpoint.baw.de/Touc...New window External Subdomain Bibliothekskatalog
https://henry.baw.de/New window External Subdomain Open-Access-Publikationen
/de/recherchieren/quellenExterne öffentliche Quellen
https://izw-medienarchiv.baw.d...New window External Subdomain Medienarchiv
/de/recherchieren/fachvortraegeFachvorträge
http://wiki.baw.de/de/index.ph...New window External Subdomain BAWiki
https://izw.baw.de/de/themenThemen & Projekte
/de/themen/ufersicherungUfersicherung
https://izw.baw.de/de/themen/kfkiKFKI – Küstenforschung
/de/themen/piancPIANC
/de/themen/oekologische-durchg...Ökologische Durchgängigkeit
https://izw.baw.de/wsvWSV-Dienste
https://izw.baw.de/wsv/e-medienE-Medien WSV
/wsv/planen-bauenPlanen & Bauen
/wsv/betrieb-unterhaltungBetrieb & Unterhaltung
https://izw.baw.de/wsv/vergabeVergabewesen
https://izw.baw.de/wsv/umweltUmwelt
https://izw.baw.de/wsv/toolsTools
https://touchpoint.baw.de/Touc...New window External Subdomain Text duplicate IMG-ALT Bibliothekskatalog
https://touchpoint.baw.de/Touc...New window External Subdomain Text duplicate Bibliothekskatalog
https://henry.baw.de/New window External Subdomain IMG-ALT HENRY - Das Repositorium für den Wasserbau
https://henry.baw.de/New window External Subdomain HENRY
https://izw-medienarchiv.baw.d...New window External Subdomain Text duplicate IMG-ALT Medienarchiv
https://izw-medienarchiv.baw.d...New window External Subdomain Medienarchivs
http://wiki.baw.de/New window External Subdomain Text duplicate IMG-ALT BAWiki
http://wiki.baw.de/New window External Subdomain Text duplicate BAWiki
https://hdl.handle.net/20.500....New window External Subdomain Link zu Einzelbeiträgen und Gesamtband
https://hdl.handle.net/20.500....New window External Subdomain Link zum Gesamtband
/wsv/planen-bauen/tr-wNew window Subdomain Link zum TR-W
/wsv/planen-bauen/tr-wNew window Subdomain Anchor Link zum Änderungsverzeichnis TR-W
https://hdl.handle.net/20.500....New window External Subdomain Link zum Forschungskompendium 2024
https://kuwik.baw.de/New window External Subdomain Link: KuWik - das neue Portal
https://www.baw.de/de/service/...New window External Subdomain Link: Pressemitteilung zu KuWiK
https://blog.baw.de/wp/?p=3770New window External Subdomain Link: Blogbeitrag zu KuWiK
/wsv/planen-bauen/tr-wNew window Subdomain Anchor STLK-W LB 210 Böschungs- und Sohlensicherung. Ausgabe Februar 2025
/wsv/planen-bauen/stlk-w-ztv-wNew window Subdomain STLK-W + ZTV-W alle Leistungsbereiche; inkl. digitale AVA-Ausgaben
http://www.baw.de/New window External Subdomain IMG-ALT Bundesanstalt für Wasserbau
https://www.baw.de/de/barriere...New window External Subdomain  Erklärung zur Barrierefreiheit
https://www.baw.de/de/barriere...New window External Subdomain  Barriere melden
https://izw.baw.de/de/suche Suche
https://izw.baw.de/de/bibliothekText duplicate Bibliothek
/de/bibliothek/aktuellesText duplicate Aktuelles
/de/bibliothek/izwText duplicate Infozentrum Wasserbau
/de/bibliothek/fachauskunftText duplicate Fachauskunft
/de/bibliothek/ausleiheText duplicate Ausleihe
/de/recherchierenText duplicate Recherchieren
https://touchpoint.baw.de/Touc...New window External Subdomain Text duplicate Bibliothekskatalog
https://henry.baw.de/New window External Subdomain Text duplicate Open-Access-Publikationen
/de/recherchieren/quellenText duplicate Externe öffentliche Quellen
https://izw-medienarchiv.baw.d...New window External Subdomain Text duplicate Medienarchiv
/de/recherchieren/fachvortraegeText duplicate Fachvorträge
http://wiki.baw.de/de/index.ph...New window External Subdomain Text duplicate BAWiki
https://izw.baw.de/de/themenText duplicate Themen & Projekte
/de/themen/ufersicherungText duplicate Ufersicherung
https://izw.baw.de/de/themen/kfkiText duplicate KFKI – Küstenforschung
/de/themen/piancText duplicate PIANC
/de/themen/oekologische-durchg...Text duplicate Ökologische Durchgängigkeit
https://izw.baw.de/wsvText duplicate WSV-Dienste
https://izw.baw.de/wsv/e-medienText duplicate E-Medien WSV
/wsv/planen-bauenText duplicate Planen & Bauen
/wsv/betrieb-unterhaltungText duplicate Betrieb & Unterhaltung
https://izw.baw.de/wsv/vergabeText duplicate Vergabewesen
https://izw.baw.de/wsv/umweltText duplicate Umwelt
https://izw.baw.de/wsv/toolsText duplicate Tools
https://izw.baw.de/de/hilfeText duplicate  Hilfe
https://izw.baw.de/de/kontaktText duplicate  Kontakt
https://izw.baw.de/de/impressumText duplicate  Impressum
https://izw.baw.de/de/datenschutzText duplicate  Datenschutz
https://izw.baw.de/de/newsletterText duplicate  IZW-Newsletter
https://izw.baw.de/enText duplicate  English
https://www.baw.de/de/barriere...New window External Subdomain Text duplicate  Erklärung zur Barrierefreiheit
https://www.baw.de/de/barriere...New window External Subdomain Text duplicate  Barriere melden

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://izw.baw.de/de"
HTTP header
(Important)
The HTML page should be transferred using GZip compression.
No X-Powered HTTP header is sent.
Performance
(Somewhat important)
The page response time is excellent with 0.08 seconds.
This page only loads 2 CSS files. That's ok.
This page only loads 2 JavaScript files. That's good!
The file size of the HTML document is fine (16 kB).

HTTP Response Header

NameValue
dateWed, 02 Apr 2025 05:53:49 GMT
serverApache
strict-transport-securitymax-age=63072000; includeSubDomains
referrer-policysame-origin
permissions-policygeolocation=(),midi=(),sync-xhr=(),microphone=(),camera=(),magnetometer=(),gyroscope=(),fullscreen=(self),payment=()
expiresThu, 19 Nov 1981 08:52:00 GMT
cache-controlno-store, no-cache, must-revalidate
pragmano-cache
content-security-policydefault-src 'self'; img-src 'self' data: https://touchpoint.baw.de/ https://it-navigator.wsv.res.bund.de/; style-src 'self' 'unsafe-inline'; script-src 'self'; base-uri 'none'; object-src 'none'
x-frame-optionsSAMEORIGIN
x-content-type-optionsnosniff
set-cookie79 Characters
transfer-encodingchunked
content-typetext/html; charset=utf-8
statuscode200
http_versionHTTP/1.1

External factors

This page has only a few links from other websites.
This page only has backlinks from 4 referring domains.
This page only has 7 backlinks.
This page only has few backlinks from 4 different ip addresses.
This page is referenced by wikipedia.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

No valid Robots.txt file was found.

Similar sites

Search preview

izw.baw.de
Infozentrum Wasserbau (IZW) - Start
Das Infozentrum Wasserbau (IZW) ist die Bibliothek der Bundesanstalt für Wasserbau in Karlsruhe. Sie ist zugleich Literatur-, Informations- und Dokumentationsstelle der Wasserstraßen- und Schifffahrtsverwaltung des Bundes (WSV).

Most important keywords

Following keywords were found. You can check the keyword optimization of this page for each keyword.

KeywordResultRecheck
Wasserbau79%Check
Infozentrum Wasserbau79%Check
Infozentrum75%Check
IZW65%Check
Bibliothek54%Check
BAW52%Check
Wasserstraßen50%Check
WSV46%Check
Regelwerk Wasserstraßen44%Check
Ausgabe43%Check
Show more keywords and terms

Check up to 25,000 subpages of izw.baw.de at once, now!

🚀 Try for free
Guaranteed free of charge during trial period.

Cookie Policy

We use cookies to make our site work and also for analytics and advertising purposes. You can enable or disable optional cookies as desired. See the following links for more information.

Contact | Privacy

We need these so the site can function properly

So we can better understand how visitors use our website

So we can serve you tailored ads and promotions