- SEO Checker

Overview of the SEO Check
Meta information
Page quality
Page structure
Link structure
External factors
SEO Score
Response time
0.07 s
File size
15.00 kB
Media files
Number of links
25 internal / 6 external

Task list of SEO Improvements

Meta specifications

(Critically important)
Astroexcel Astronomie Planetarium
The length of the page title is perfect. (315 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
Astronomische Software mit und ohne Excel
The length of the meta description is perfect. (276 pixels out of 1000 max pixel length)
(Critically important)
There are no problems in accessing the website.
Canonical URL
No canonical link is specified.
(Somewhat important)
Language detected in text: de
Language defined in HTML: de-de
Language defined in meta tags: de
Server location: Germany
There are different language information within the page markup.
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.
(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 (ISO-8859-1) is set correctly.
(Nice to have)
The doctype HTML 4.01 Transitional is set correctly.
The doctype is placed at first in the HTML code.
(Nice to have)
The favicon is linked correctly.

Meta tags

authorThomas Kraus
publisherThomas Kraus
descriptionAstronomische Software mit und ohne Excel
keywordsAstronomie, Das Planetarium 1900 - 2100, Software, Excel Dateien, Planetarium, Freeware, Ereignisse, Sonne, Mond, 3D, PC, Computer, Messier, Sternkarte, Satelliten, Beobachtung, Jupiter Monde, Mondfinsternis, Sonnenfinsternis, astroexcel, PC-Planetariumsprogramm,
robotsindex, follow
revisit-after01 month
page-topicbildung, computer, forschung, technik, wissenschaft
page-typprivate homepage, produktinfo, software, download
audiencealle, anfänger, fortgeschrittene, jugendliche, kinder, schüler, studenten
generatorMeta Tag Generator 2003
reply to[email protected]
expiresSun, 4 Mar 2007 12:00:00 GMT
content-typetext/html; charset=iso-8859-1

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Page quality

(Critically important)
There are only 177 words on this page. Use at least 250 words to provide useful information.
Only 2 paragraph/s was/were found on this page.
The average number of words per sentence of 28.25 words is high.
32.2% of the text are stop words.
Keywords used in the page title are also used in the page content. That's good!
No placeholders texts or images were found.
There are no duplicates on the site.
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
No viewpoint tag is provided.
No Apple touch icon is specified.
This page does not require any JavaScript files.
Bold and strong tags
(Somewhat important)
Empty bold or strong tags were found on this page.
Image SEO
(Somewhat important)
6 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.
(Somewhat important)
The HTTPS protocol for secure data transmission is not used.

Media list

URLAlt attributeTitle alt attribute provided alt attribute provided download ...zum download ... alt attribute provided alt attribute provided alt attribute provided alt attribute provided

Page structure

H1 heading
(Critically important)
There is no H1 heading specified.
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.
9 links don't have an anchor text.
The number of internal links is ok.
Every linktext is unique.
None of the anchor texts is too long.
All internal links are not using dynamic parameters.
There are 6 external links on this page.
LinkAttributesAnchor text
/news2.htmlNews & Info
/softwarevb.htmNo Text
/softwarevb.htmDownload Planetarium
/softwareexcel.htmNo Text
/softwareexcel.htmDownload Astro-Excel
/webcam.htmNo Text
/webcam.htmDownload vb-WebCam
/screenshot.htmNo Text
/screenshot.htmScreenshots Planetarium
/onlineastro.htmNo Text
/vbexcel.htmVB & Excel
/ereignis.htmNo Text
/dsgvo.htmDSGVO No Text No Text
/softwarevb.htmIMG-ALT zum download ...
/softwarevb.htmNo Text No Text
/softwarevb.htmNo Text
/softwarevb.htmNo Text No Text No Text
/dsgvo.htmNew window Impressum No Text

Server configuration

HTTP redirects
(Critically important)
The checked page does not redirect to another URL.
HTTP header
No X-Powered HTTP header is sent.
This page uses GZip for compressed data transmission.
(Somewhat important)
The page response time is excellent with 0.07 seconds.
This page does not require any CSS files.
This page does not require any JavaScript files.
The file size of the HTML document is fine (15 kB).

HTTP Response Header

dateSun, 10 Dec 2023 00:14:23 GMT
last-modifiedTue, 03 Jan 2023 15:58:58 GMT

External factors

This website has excellent links from other websites.
This page has backlinks from 83 referring domains.
This page has 367 backlinks.
This page has backlinks from 67 different ip addresses.
Facebook popularity
(Somewhat important)
The page has 23 shares and comments on Facebook.
Listed on Webwiki
(Nice to have)
This website is not listed in Webwiki. Submit your website here.

Links from Wikipedia

No links from Wikipedia were found.


No valid Robots.txt file was found.

Search preview
Astroexcel Astronomie Planetarium
Astronomische Software mit und ohne Excel

Most important keywords

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

Software Excel60%Check
Excel Dateien52%Check
Software Download44%Check
Planetarium 190040%Check

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