Inter-sol.org - SEO Checker

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Overview of the SEO Check
Meta information
64% 
Page quality
41% 
Page structure
75% 
Link structure
98% 
Server
100% 
External factors
100% 
SEO Score
Response time
0.12 s
File size
7.30 kB
Words
130
Media files
6
Number of links
25 internal / 3 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
INTER-SOL Programme: International programme for sunspot observation
The page title should be shorter than 580 pixels. It is 665 pixels long. Optimize title
There are word repetitions in the page title.
Meta description
(Critically important)
International programme for sunspot observation of amateurs and professionals. Volkssternwarte Paderborn e.V., Germany
The length of the meta description is perfect. (758 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
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.
The character encoding is not specified in the HTTP header.
Doctype
(Nice to have)
No doctype markup was found.
Favicon
(Nice to have)
No favicon is linked in the HTML code.

Meta tags

NameValue
descriptionInternational programme for sunspot observation of amateurs and professionals. Volkssternwarte Paderborn e.V., Germany
keywordsInter-Sol, INTER-SOL, Intersol, sun, sunspots, Sonne, Sonnenflecken, Sonnenbeobachtung, solar observatories, astronomy, Astronomie, Paderborn
copyright(c) by Volkssternwarte Paderborn e.V., Germany
authorVolkssternwarte Paderborn e.V., Germany

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Page quality

Content
(Critically important)
There are only 130 words on this page. Use at least 250 words to provide useful information.
No paragraphs were detected.
30% of the text are stop words.
Keywords used in the page title are also used in the page content. That's good!
Words from the H1 heading are used in the page content.
No placeholders texts or images were found.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
No viewpoint tag is provided.
No 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)
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://inter-sol.org/SUNSPOT1.GIFSunspots
https://inter-sol.org/SUNSPOT1.GIFSunspots
https://inter-sol.org/STWOBSL.JPGThe Paderborn Observatory
https://inter-sol.org/GREATBRC.GIFEnglish Language
https://inter-sol.org/GERMANYC.GIFGerman Language
...all-inkl.com/banner/button_hosted_by.gif
Insecure Content		ALL-INKL.COM - Webhosting Server Hosting Domain Provider

Page structure

H1 heading
(Critically important)
The INTER-SOL Programme (ISP)
The H1 heading is perfect.
Headings
(Important)
The structure of headings is missing one or more levels. Do not skip heading levels.
Some headings do not have any content.

Heading structure

Heading levelContent
H1 The INTER-SOL Programme (ISP)
H3 - Volkssternwarte Paderborn e.V. -
H3 Empty heading
H4 The INTER-SOL Programme (ISP) is an international programme with the purpose of observing the daily sunspot activity. ISP is a fascinating facility of cooperation for amateurs and professionals aro...
H5 Empty heading
H5 Impressum
H6 Empty heading
Some anchor texts are used more than once.
The number of internal links is ok.
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
/CONTENTS.HTMTable of contents
https://inter-sol.org/INHALT.HTMInhaltsverzeichnis
https://inter-sol.org/CONTACT.HTMContact / Address
https://inter-sol.org/KONTAKT.HTMKontakt / Anschrift
https://inter-sol.org/INFOE.HTMIntroducing INTER-SOL
https://inter-sol.org/INFOD.HTMDas INTER-SOL Programm
/BASINFOE.HTMFundamentals about the sun
/BASINFOD.HTMGrundlagen zur Sonne
/INSTRUCT.HTMMethods of sunspot observation, regristration and evaluation
/ANLEITNG.HTMMethoden der Fleckenzählung, -registrierung und -auswertung
https://inter-sol.org/OBSNETF.HTMThe observers network
https://inter-sol.org/OBSNETF.HTMDas Beobachternetz
/EXAMPL1E.HTMExamples of sunspot registration
/EXAMPL1D.HTMBeispiele zur Fleckenzählung
/SERVICEE.HTMService
/SERVICED.HTMText duplicate Service
https://inter-sol.org/ISDATA.HTMINTER-SOL Data
https://inter-sol.org/ISDATA.HTMINTER-SOL Daten
/GALLERY1.HTMPhoto Gallery
/GALLERY1.HTMFoto-Galerie
/PARTICIP.HTMHow to participate
/TEILNAHM.HTMTeilnahme am Programm
http://www.vspb.de/New window External Subdomain Paderborn Observatory
http://www.vspb.de/New window External Subdomain Sternwarte Paderborn
/LINKPAGE.HTMAdditional links
/LINKPAGE.HTMWeitere Links
https://inter-sol.org/ABOUTD.HTMImpressum
http://all-inkl.com/?partner=3...New window External IMG-ALT ALL-INKL.COM - Webhosting Server Hosting Domain Provider

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://inter-sol.org/"
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 0.12 seconds.
The file size of the HTML document is fine (7 kB).

HTTP Response Header

NameValue
last-modifiedThu, 11 Mar 2010 12:31:42 GMT
etag"1d24-4818598db8780-gzip"
accept-rangesbytes
varyAccept-Encoding,User-Agent
content-encodinggzip
content-length1892
content-typetext/html
dateSun, 26 May 2024 23:55:12 GMT
serverApache
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 46 referring domains.
This page has 100 backlinks.
This page has backlinks from 41 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

inter-sol.org
INTER-SOL Programme: International programme for sunspot observation
International programme for sunspot observation of amateurs and professionals. Volkssternwarte Paderborn e.V., Germany

Most important keywords

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

KeywordResultRecheck
INTER-SOL77%Check
Programm77%Check
INTER-SOL Programme77%Check
Programme76%Check
international programme71%Check
sunspot64%Check
international62%Check
sunspot observation61%Check
observation56%Check
ISP54%Check
Show more keywords and terms

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