Weller.to - SEO Checker

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Overview of the SEO Check
Meta information
68% 
Page quality
56% 
Page structure
100% 
Link structure
92% 
Server
91% 
External factors
100% 
SEO Score
Response time
0.06 s
File size
6.00 kB
Words
296
Media files
10
Number of links
5 internal / 1 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Computer History Online
The length of the page title is perfect. (223 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
Computer History Online. Die Geschichte der Computer von Zuse über Altair, Apple Lisa bis zum IBM PC. Computermuseen und Computersammlungen. Chronologie der of Microcomputer von 1974 bis 1990.
The meta description is too long: 1278 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
Server location: United States of America
The language is not specified in the HTML markup.
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)
No doctype markup was found.
Favicon
(Nice to have)
No favicon is linked in the HTML code.

Meta tags

NameValue
AuthorComputer History Online, Clemens Weller, Schwäbisch Gmünd, Germany
keywordsComputer Geschichte, Computergeschichte, computer history, computer museum, history of computing, microcomputers, computer collections, Clemens Weller, Schwäbisch Gmünd, schwaebisch gmuend
descriptionComputer History Online. Die Geschichte der Computer von Zuse über Altair, Apple Lisa bis zum IBM PC. Computermuseen und Computersammlungen. Chronologie der of Microcomputer von 1974 bis 1990.
REVISIT-AFTER1 day
ROBOTSall
viewportwidth=device-width, initial-scale=1.0
Content-Typetext/html; charset=UTF-8

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Page quality

Content
(Critically important)
Words from the H1 heading are not used in the page content.
There are only 296 words on this page. Good pages should have about 800 words of useful content.
41.6% of the text are stop words.
Keywords used in the page title are also used in the page content. That's good!
4 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 16.47 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=1.0" 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
https://www.weller.to/img/bacho161.gifComputer History Online
https://www.weller.to/img/batime01.gifComputer History Timeline
https://www.weller.to/img/rbpc1.gifComputer History Online
https://www.weller.to/img/bumail.gifE-Mail Feedback
https://www.weller.to/img/bugesd01.gifGeschichte
https://www.weller.to/img/bucomd01.gifComputer
https://www.weller.to/img/bumusd01.gifMuseen
https://www.weller.to/img/burubd01.gifRubriken
/his/img/zuse-z1-c-ll.jpgZuse Z1
/his/img/wccibmpc_02ll.jpgIBM PC

Page structure

H1 heading
(Critically important)
Die Geschichte der Computer
The H1 heading is perfect.
Headings
(Important)
The heading structure is perfect.

Heading structure

Heading levelContent
H1 Die Geschichte der Computer
There are too few (5) internal links on this page.
Every linktext is unique.
None of the anchor texts is too long.
All internal links are not using dynamic parameters.
There are 1 external links on this page.

Found links on this page

LinkAttributesAnchor text
/his/h05-erste-computer.htmIMG-ALT Geschichte
/com/galerie.htmIMG-ALT Computer
/mus/mus_dm.htmIMG-ALT Museen
/rub/impressum.htmIMG-ALT Rubriken
/his/h05-erste-computer.htmmehr Infos und Bilder ...
http://www1.wdr.de/fernsehen/d...External Subdomain URL anchor text
http://www1.wdr.de/fernsehen/doku-am-freitag/sendungen/pioniere-heinz-nixdorf-100.html

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.weller.to/"
HTTP header
(Important)
The X-powered header is sent within the response header. (unnecessary)
This page uses GZip for compressed data transmission.
Performance
(Somewhat important)
The page response time is excellent with 0.06 seconds.
The file size of the HTML document is fine (6 kB).

HTTP Response Header

NameValue
servernginx
dateThu, 06 Jun 2024 10:10:15 GMT
content-typetext/html
last-modifiedSun, 29 Jan 2023 18:01:24 GMT
varyAccept-Encoding
etagW/"63d6b474-182a"
strict-transport-securitymax-age=15768000; includeSubDomains
x-powered-byPleskLin
content-encodinggzip
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 364 referring domains.
This page has 1,259 backlinks.
This page has backlinks from 199 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

# robots.txt file for http://www.weller.to/
# mail [email protected]
User-agent: *
Disallow: 
Disallow: /cgi-bin/
Disallow: /images/
Disallow: /abi80/intern/
Disallow: /zablage/
Disallow: /zarchiv/
Disallow: /paul/
Disallow: /marlene-weller/
Disallow: /juliane-weller/
Disallow: /50/

Similar sites

Search preview

www.weller.to
Computer History Online
Computer History Online. Die Geschichte der Computer von Zuse über Altair, Apple Lisa bis zum IBM PC. Computermuseen und Computersammlungen. Chronologie der of Microcomputer von 1974 bis 1990.

Most important keywords

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

KeywordResultRecheck
Computer75%Check
Geschichte Computer69%Check
Computer History67%Check
Computer History Online64%Check
Geschichte63%Check
online59%Check
History Online59%Check
Zuse50%Check
IBM50%Check
Weller46%Check
Show more keywords and terms

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