Zdb-katalog.de - SEO Checker

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Overview of the SEO Check
Meta information
86% 
Page quality
48% 
Page structure
52% 
Link structure
96% 
Server
0% 
External factors
100% 
SEO Score
Response time
0.14 s
File size
31.00 kB
Words
111
Media files
5
Number of links
8 internal / 3 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
ZDB catalogue - Home
The length of the page title is perfect. (208 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
ZDB Magazines Database
The meta description is too short. (165 pixels out of 1000 max pixel length) 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: en
Language defined in HTML: en
Server location: United States of America
The following language is defined by HTML: en
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
versionb${build.number}_v1.24.0_20240213T144233
viewportwidth=device-width, initial-scale=1, minimum-scale=1.0, user-scalable=yes
descriptionZDB Magazines Database
keywordsZDB Zeitschriftendatenbank Katalog opac German Union Catalogue Serials
langen
content-typetext/html; charset=UTF-8
refresh3600

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Page quality

Content
(Critically important)
There are only 111 words on this page. Use at least 250 words to provide useful information.
Only 1 paragraph/s was/were found on this page.
29.7% of the text are stop words.
Keywords used in the page title are also used in the page content. That's good!
The page contains a listing, which indicates a good text layout.
No placeholders texts or images were found.
There are no duplicates on the site.
The average number of words per sentence of 16 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
No Apple touch icon is specified.
A viewport "width=device-width, initial-scale=1, minimum-scale=1.0, user-scalable=yes" is provided.
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 6 tags for this page.
Image SEO
(Somewhat important)
Alt text (alternative text) is correctly used on all found images.
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
...o_weiss.svg.xhtml?ln=frontend&ver=1.24.0Logo of the German Union Catalogue of Serials; link to the homepage of the ZDB catalogueLogo of the German Union Catalogue of Serials; link to the homepage of the ZDB catalogue
...t_weiss.svg.xhtml?ln=frontend&ver=1.24.0Logo of the German Union Catalogue of Serials; link to the homepage of the ZDB catalogueLogo of the German Union Catalogue of Serials; link to the homepage of the ZDB catalogue
...urces/frontend/images/load-indicator.gifload Indicator
...nb_logo.svg.xhtml?ln=frontend&ver=1.24.0DNB Logo
...rbesitz.svg.xhtml?ln=frontend&ver=1.24.0PKB Logo

Page structure

H1 heading
(Critically important)
Zeitschriftendatenbank
Too many H1 headings
The H1 heading consists of only one word. There should be more information given.
Headings
(Important)
The heading structure is perfect.

Heading structure

Heading levelContent
H1 Zeitschriftendatenbank
H1 Main navigation
H1 Content
H2 Search
H2 German Union Catalogue of Serials (ZDB)
There are too few (8) internal links on this page.
Some anchor texts are used more than once.
None of the anchor texts is too long.
All internal links are not using dynamic parameters.
There are 3 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://zdb-katalog.de/Anchor Skip to content
/index.xhtmlIMG-ALT Logo of the German Union Catalogue of Serials; link to the homepage of the ZDB catalogue
A-TITLE Homelink
/index.xhtmlText duplicate IMG-ALT Logo of the German Union Catalogue of Serials; link to the homepage of the ZDB catalogue
A-TITLE Homelink
https://zdb-katalog.de/help.xhtml?
A-TITLE Show help
/imprint.xhtmlAbout us
http://sigel.staatsbibliothek-...New window External Subdomain ISIL-Agency
A-TITLE Link opens in new window: ISIL-Agency - Staatsbibliothek zu Berlin
/imprint.xhtmlContact
/imprint.xhtmlImprint
/datasec.xhtmlData security declaration
http://www.dnb.de/ENNew window External Subdomain IMG-ALT DNB Logo
A-TITLE Link opens in new window: Deutsche Nationalbibliothek
http://staatsbibliothek-berlin...New window External IMG-ALT PKB Logo
A-TITLE Link opens in new window: Staatsbibliothek zu Berlin

Server configuration

HTTP redirects
(Critically important)
This page is using the meta refresh tag. Do not use meta refresh for redirects.
HTTP header
(Important)
No X-Powered HTTP header is sent.
This page uses GZip for compressed data transmission.
Performance
(Somewhat important)
The page response time is excellent with 0.14 seconds.
The file size of the HTML document is fine (31 kB).

HTTP Response Header

NameValue
expiresThu, 01 Jan 1970 00:00:00 GMT
cache-controlno-cache, no-store, must-revalidate
set-cookie79 Characters
serverApache
pragmano-cache
dateWed, 11 Sep 2024 21:03:14 GMT
varyAccept-Encoding
content-encodinggzip
content-typetext/html;charset=UTF-8
statuscode200
http_versionHTTP/2

External factors

Blacklists
(Nice to have)
This website is not classified "for adult only".
This page is referenced by wikipedia.
This website has excellent links from other websites.
This page has backlinks from 1,878 referring domains.
This page has 406,133 backlinks.
This page has backlinks from 1,258 different ip addresses.
Facebook popularity
(Somewhat important)
The page has 0 shares and comments on Facebook.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

No valid Robots.txt file was found.

Similar sites

Search preview

zdb-katalog.de
ZDB catalogue - Home
ZDB Magazines Database

Most important keywords

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

KeywordResultRecheck
ZDB79%Check
ZDB catalogue66%Check
Catalogue54%Check
Zeitschriftendatenbank50%Check
Data46%Check
German42%Check
Union42%Check
Serials42%Check
serial42%Check
Data Security40%Check
Show more keywords and terms

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