Vonglasersfeld.com - SEO Checker

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Overview of the SEO Check
Meta information
96% 
Page quality
62% 
Page structure
50% 
Link structure
82% 
Server
100% 
External factors
100% 
SEO Score
Response time
0.22 s
File size
7.00 kB
Words
283
Media files
4
Number of links
17 internal / 2 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Ernst von Glasersfeld
The page title is too short. (195 pixels of 580 max pixel length) Optimize title
There are no duplicate words in the title
Meta description
(Critically important)
Homepage and official bibliography of Ernst von Glasersfeld
The length of the meta description is perfect. (369 pixels out of 1000 max pixel length)
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 character encoding is not specified in the HTTP header.
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)
No favicon is linked in the HTML code.

Meta tags

NameValue
viewportwidth=device-width, initial-scale=1
descriptionHomepage and official bibliography of Ernst von Glasersfeld
keywordsradical constructivism, knowing, epistemology, experience, language
langen
charsetutf-8

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Page quality

Content
(Critically important)
There are only 283 words on this page. Good pages should have about 800 words of useful content.
26.1% of the text are stop words.
Keywords used in the page title are also used in the page content. That's good!
5 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 18.63 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" 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)
2 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://vonglasersfeld.com/g/header.gifThe Homepage of Ernst von Glasersfeld
https://vonglasersfeld.com/g/laval1991.jpgNo alt attribute provided
https://vonglasersfeld.com/g/laval2001.jpgNo alt attribute provided
...mmons.org/images/public/somerights20.gif
Insecure Content		Creative Commons License

Page structure

H1 heading
(Critically important)
The Homepage of Ernst von Glasersfeld
The H1 heading contains the words Homepage of! Use important keywords instead.
Headings
(Important)
The structure of headings is missing one or more levels. Do not skip heading levels.

Heading structure

Heading levelContent
H1 The Homepage of Ernst von Glasersfeld
H3 Publications
H3 Lectures
H3 Glossary
H3 Links
Some internal links have dynamic parameters. All internal URLs, which are not marked as nofollow, should not contain dynamic parameters.
Some anchor texts are used more than once.
The number of internal links is ok.
None of the anchor texts is too long.
There are 2 external links on this page.

Found links on this page

LinkAttributesAnchor text
/index.shtmlHome
/biography.shtmlBiography
/lectures/Lectures
/glossary/Glossary
/events.shtmlEvents
/links.shtmlLinks
/biography.htmllife
/cgi-bin/index.cgi?browse=bookbooks
/cgi-bin/index.cgi?browse=journaljournal articles
/cgi-bin/index.cgi?browse=chapterbook chapters
/cgi-bin/index.cgi?browse=miscother publications
/lectures/index.htmlText duplicate Lectures
/lectures/index.htmlQuelques aspects du constructivisme
/lectures/index.htmlConstructivisme radical et enseignement
/glossary/Text duplicate Glossary
/links.htmlText duplicate Links
http://creativecommons.org/lic...External IMG-ALT Creative Commons License
http://creativecommons.org/lic...External Text duplicate Creative Commons License
/tinyurl.com/riegler/Alexander Riegler

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://vonglasersfeld.com/"
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 0.22 seconds.
The file size of the HTML document is fine (7 kB).

HTTP Response Header

NameValue
content-typetext/html
content-encodinggzip
varyAccept-Encoding
dateSun, 26 May 2024 05:36:40 GMT
serverLiteSpeed
x-turbo-charged-byLiteSpeed
statuscode200
http_versionHTTP/2

External factors

Blacklists
(Nice to have)
This website is not classified "for adult only".
This website has excellent links from other websites.
This page has backlinks from 204 referring domains.
This page has 483 backlinks.
This page has backlinks from 132 different ip addresses.
Facebook popularity
(Somewhat important)
The page has 0 shares and comments on Facebook.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

No valid Robots.txt file was found.

Similar sites

Search preview

vonglasersfeld.com
Ernst von Glasersfeld
Homepage and official bibliography of Ernst von Glasersfeld

Most important keywords

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

KeywordResultRecheck
Glasersfeld87%Check
Ernst75%Check
homepage63%Check
official46%Check
bibliography46%Check
official bibliography46%Check
publications38%Check
Lectures38%Check
Links38%Check
Glossary38%Check
Show more keywords and terms

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