Akon.onb.ac.at - SEO Checker

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Overview of the SEO Check
Meta information
79% 
Page quality
41% 
Page structure
58% 
Link structure
25% 
Server
15% 
External factors
100% 
SEO Score
Response time
0.12 s
File size
18.20 kB
Words
96
Media files
3
Number of links
1 internal / 3 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
ÖNB/AKON Ansichtskarten Online
The length of the page title is perfect. (306 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
AKON - Das Ansichtskartenportal der Österreichischen Nationalbibliothek ermöglicht eine geographische Suche im digitalisierten Bestand der topographischen Ansichtskarten. Die Sammlung beinhaltet Ansichtskarten aus allen Teilen der Erde, von den Anfängen der illustrierten Postkarten bis in die frühen 1940er Jahre.
The meta description is too long: 1964 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 HTTP-Equiv meta tag: de
Server location: Austria
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 markup is not in the first line of your HTML document. There must be no white spaces before the doctype markup.
The doctype HTML 5 is set correctly.
Favicon
(Nice to have)
The favicon is linked correctly.

Meta tags

NameValue
viewportwidth=device-width, initial-scale=1.0, maximum-scale=1, user-scalable=no
ROBOTSindex
apple-mobile-web-app-capableyes
mobile-web-app-capableyes
COPYRIGHT© 2015 Österreichische Nationalbibliothek
keywordspostcards,picture postcards,Postkarten,Bildpostkarten,Ansichtskarten,cartes postales,razglednice,pohľadnice,разгледнице,cărți poștale,képeslap térkép,postcards map,Picture Post Cards,Geographische Suche,Topographische Suche,Geosearch,Topographic search,Philokartie
descriptionAKON - Das Ansichtskartenportal der Österreichischen Nationalbibliothek ermöglicht eine geographische Suche im digitalisierten Bestand der topographischen Ansichtskarten. Die Sammlung beinhaltet Ansichtskarten aus allen Teilen der Erde, von den Anfängen der illustrierten Postkarten bis in die frühen 1940er Jahre.
og:imagehttps://akon.onb.ac.at/images/AKON_OG.png
og:image:typeimage/png
og:titleÖNB/AKON Ansichtskarten Online
og:site_nameAKON
og:descriptionDas Ansichtskartenportal der Österreichischen Nationalbibliothek zeigt Ansichtskarten aus allen Teilen der Erde, von den Anfängen der illustrierten Postkarten bis in die frühen 1940er Jahre.
Content-Typetext/html; charset=UTF-8
languageDE
Cache-Controlno-cache, no-store, must-revalidate
Pragmano-cache
ExpiresEmpty
X-UA-CompatibleIE=Edge

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Page quality

Content
(Critically important)
There are only 96 words on this page. Use at least 250 words to provide useful information.
Some words from the page title are not used within the pages content
Only 2 paragraph/s was/were found on this page.
The average number of words per sentence of 7.33 words is low.
31.3% of the text are stop words.
No placeholders texts or images were found.
There are no duplicates on the site.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
This page loads 12 JavaScript files. This may affect the load time negatively.
A viewport "width=device-width, initial-scale=1.0, maximum-scale=1, user-scalable=no" is provided.
At least one Apple touch icon is specified.
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)
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
...mages/ONB_Logo_rgb.png.xhtml?ln=geosucheÖsterreichische Nationalbibliothek
...images/akon-only-light.png.xhtml?ln=akonÖNB/AKON Ansichtskarten Online
.../ajax-loader-small.gif.xhtml?ln=geosucheNo alt attribute provided

Page structure

H1 heading
(Critically important)
There is no H1 heading specified.
Headings
(Important)
There are no headings specified on the page. Headings are important for search engine optimization and help to structure your content.

Heading structure

No headings were found.
This page seems to be an entry page, because only very few links were found.
Every linktext is unique.
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
http://www.onb.ac.at/External Subdomain IMG-ALT Österreichische Nationalbibliothek
A-TITLE Österreichische Nationalbibliothek
https://akon.onb.ac.at/Subdomain IMG-ALT ÖNB/AKON Ansichtskarten Online
A-TITLE ÖNB/AKON Ansichtskarten Online
https://www.onb.ac.at/impressu...External Subdomain Impressum
https://www.onb.ac.at/sammlung...External Subdomain Kartensammlung

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://akon.onb.ac.at/"
HTTP header
(Important)
The HTML page should be transferred using GZip compression.
No X-Powered HTTP header is sent.
Performance
(Somewhat important)
This page loads 7 CSS files. This may affect the page load time negatively.
This page loads 12 JavaScript files. This may affect the load time negatively.
The page response time is excellent with 0.12 seconds.
The file size of the HTML document is fine (18 kB).

HTTP Response Header

NameValue
dateSat, 17 May 2025 19:08:09 GMT
serverapache/ap
content-typetext/html;charset=UTF-8
set-cookie69 Characters
transfer-encodingchunked
statuscode200
http_versionHTTP/1.1

External factors

This website has excellent links from other websites.
This page has backlinks from 91 referring domains.
This page has 1,139 backlinks.
This page has backlinks from 87 different ip addresses.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

User-agent: *
Allow: /

Similar sites

Search preview

akon.onb.ac.at
ÖNB/AKON Ansichtskarten Online
AKON - Das Ansichtskartenportal der Österreichischen Nationalbibliothek ermöglicht eine geographische Suche im digitalisierten Bestand der topographischen Ansichtskarten. Die Sammlung beinhaltet Ansichtskarten aus allen Teilen der Erde, von den Anfängen der illustrierten Postkarten bis in die frühen 1940er Jahre.

Most important keywords

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

KeywordResultRecheck
AKON78%Check
kar64%Check
ÖNB48%Check
onb48%Check
Nationalbibliothek48%Check
Österreichische48%Check
Österreichische Nationalbibliothek48%Check
Kartensammlung39%Check
Anwendung34%Check
verfügbar34%Check
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