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Planetensuche.de - SEO Checker

Overview of the SEO Check

Meta information

81%

Page quality

76%

Page structure

67%

Link structure

65%

Server

45%

External factors

25%

SEO Score

SEO Score Widget

Response time

0.02 s

File size

23.70 kB

Words

1943

Media files

Number of links

38 internal / 57 external

Task list of SEO Improvements 7 Tasks

Add a H1 heading to this page.Very important!
Enable the compressed HTML content transfer on your server using gzip.Very important!
Review and improve the page title.Important!
Use good alternative descriptions (alt attributes) for your images.Important!
Review and improve the heading structure.Tip!
Reduce the number of external links.Tip!
Promote your page in social networks.Tip!

View all

Meta specifications 81% achieved

Title

(Critically important)

Planetensuche

The page title is too short. (135 pixels of 580 max pixel length) Optimize title

The page title is only one word.

There are no duplicate words in the title

Meta Title

Meta description

(Critically important)

Astronomiesoftware Planetensuche, die Suche nach Exoplaneten

The length of the meta description is perfect. (404 pixels out of 1000 max pixel length)

Meta Description

Crawlability

(Critically important)

There are no problems in accessing the website.

Search Engine Crawlers

Canonical URL

(Important)

No canonical link is specified.

Canonical Tag

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

Declaring language in HTML

Alternate/Hreflang Links

(Somewhat important)

There are no alternate links specified on this page.

Hreflang

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.

Meta Tags

Domain

(Somewhat important)

The domain is no subdomain.

The domain length is good.

The domain does not contain non-latin characters.

Domain for SEO

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.

SEO-friendly URLs

Charset encoding

(Somewhat important)

The character encoding is not specified in the HTTP header.

The charset encoding (UTF-8) is set correctly.

Character Encoding

Doctype

(Nice to have)

The doctype HTML 5 is set correctly.

The doctype is placed at first in the HTML code.

HTML Doctype

Favicon

(Nice to have)

The favicon is linked correctly.

Favicon

Meta tags

Name	Value
robots	INDEX,FOLLOW
keywords	astronomy, software, program, Planetensuche, catalog, astronomy tool, planets, exoplanets, moons, stars, galaxies, nebula, star map, HRD, CBD, astronomy database, artificial neuronal network, extrasolar, extraterrestrial life, green life zone, habitable zone, SETI, Kepler, TESS, CoRot, WASP, NASA
description	Astronomiesoftware Planetensuche, die Suche nach Exoplaneten
author	Gerd Guehne
viewport	width=device-width, initial-scale=1
lang	en
Content-Type	text/html; charset=UTF-8
expires	604800

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Page quality 76% achieved

Content

(Critically important)

This page contains 1943 words. That's ok.

39.4% of the text are stop words.

The page contains a listing, which indicates a good text layout.

15 paragraphs were found on this page.

The text content is perfect.

No placeholders texts or images were found.

There are no duplicates on the site.

The average number of words per sentence of 20.75 words is good.

Content is King

Frames

(Critically important)

This page does not use a frameset.

Frames and framesets

Mobile optimization

(Somewhat important)

No Apple touch icon is specified.

A viewport "width=device-width, initial-scale=1" is provided.

This page does not require any JavaScript files.

Mobile Optimization

Bold and strong tags

(Somewhat important)

The usage of strong and bold tags is perfect. We recommend the use of up to 39 tags for this page.

Strong and Bold Tags

Image SEO

(Somewhat important)

5 images have no alt attribute. The content of alt attributes is used by search engines.

Image SEO

There are only a few social sharing widgets on the page. Make your website popular in social networks with social sharing widgets.

Social Sharing

Additional markup

(Nice to have)

No additional page markup was found.

HTTPS

(Somewhat important)

The HTTPS protocol for secure data transmission is not used.

HTTPS

Media list

URL	Alt attribute	Title
/confirmed_planets/toi-5174b.png	No alt attribute provided
/confirmed_planets/toi-5174b_starmap.png	No alt attribute provided
...net_hunters_tess/337385330_fullLC_md.png	No alt attribute provided
...nters_tess/sternkarte_sektoren_44_45.png	No alt attribute provided
...enshots/planeten_in_der_milchstrasse.png	No alt attribute provided

Page structure 67% achieved

H1 heading

(Critically important)

There is no H1 heading specified.

H1-H6 headings

Headings

(Important)

The structure of headings is missing one or more levels. Do not skip heading levels.

There are 31 headings on the page. The amount of headings should be in a more proper relation to the amount of text.

H1-H6 headings

Heading structure

Heading level	Content
H2	new Planetensuche update [9 May 2024]
H2	new Planetensuche update [26 Nov 2023]
H2	new Planetensuche update [24 Sept 2023]
H2	new Planetensuche update [18 Jul 2023]
H2	new Planetensuche update [22 Jun 2023]
H2	Picture galleries about exoplanets and eclipsing binaries [23rd April 2023]
H2	new Planetensuche update [26 Mar 2023]
H2	new Planetensuche update [17 Jan 2023]
H2	new list with all confirmed exoplanets from PHT [3rd Jan 2023]
H2	my first confirmed exoplanet [28th Dec 2022]
H2	Update candidate list [26th Nov 2022]
H2	new Planetensuche update [23 Oct 2022]
H2	new Planetensuche update [2 Oct 2022]
H2	new Planetensuche update [25th Sept. 2022]
H2	Homepage updated [1st Sept. 2022]
H2	new Planetensuche update [31st Jul. 2022]
H2	Server removal complete [27th Jul. 2022]
H2	Server removal [18th Jul. 2022]
H2	new Planetensuche update [17th Jul. 2022]
H2	new Planetensuche update [23rd Apr. 2022]
H2	Overview about my planet candidates added [19th Mar. 2022]
H2	Some statistics about the discovered exoplanet candidates [25th Jan. 2022]
H2	News from the exoplanet hunt with TESS [24th Jan. 2022]
H2	new Planetensuche update [31st Oct. 2021]
H2	My contribution on Planet Hunters TESS [30th Oct. 2021]
H2	The history of the exoplanet hunt [23rd Oct. 2021]
H2	new Planetensuche update [16th May 2021]
H2	How many planets exists in the Milky Way? [8th May 2021]
H2	new Planetensuche update [5th May 2021]
H2	new Planetensuche update [24th Jan. 2021]
H2	new Planetensuche update [17th Jan. 2021]

Link structure 65% achieved

Internal links

(Important)

Some anchor texts are used more than once.

1 links don't have an anchor text.

There are 3 links with a trivial anchor text.

The number of internal links is ok.

None of the anchor texts is too long.

All internal links are not using dynamic parameters.

Internal Linking

External links

(Nice to have)

There are too many external links (57) on this page.

External Links

Found links on this page

Link	Attributes	Anchor text
/en/index.html		Home
/en/planetensuche.html		Planetensuche
/en/projekte.html		Projects
/en/kontakt.html		Contact
/en/disclaimer.html		Disclaimer
/de/index.html		Deutsch
https://www.zooniverse.org/pro...	External Subdomain	Planet Hunters TESS
https://peter-wienerroither.at/	External	astronomy pics from Peter Wienerroither
http://skytrip.de/	External	astronomy pics from Mario Weigand
http://www.astrophoton.com/	External Subdomain	astronomy pics from Bernhard Hubl
https://www.faint-fuzzies.de/	External Subdomain	visual observations of galaxies
http://astronomie.de/	External	astronomie.de (common astronomy forum)
http://setiathome.ssl.berkeley...	External Subdomain	SETI@home
http://www.br.de/fernsehen/ard...	External Subdomain	Alpha Centauri (TV program with Prof. Harald Lesch)
https://exoplanetarchive.ipac....	External Subdomain	NASA's exoplanet archive
http://exoplanet.eu/	External	exoplanet list from Jean Schneider
https://simbad.u-strasbg.fr/si...	External Subdomain	Simbad
http://spider.seds.org/ngc/ngc...	External Subdomain	NGC catalog online
https://ssd.jpl.nasa.gov/tools...	External Subdomain Anchor	NASA's asteroid and comet database
https://gea.esac.esa.int/archive/	External Subdomain	Gaia archive
http://tessebs.villanova.edu/	External Subdomain	TESS Eclipsing Binaries
http://keplerebs.villanova.edu...	External Subdomain	Kepler Eclipsing Binaries
https://exofop.ipac.caltech.ed...	External Subdomain	ExoFOP
https://exo.mast.stsci.edu/	External Subdomain	ExoMast
/en/downloads.html		version 6.26
/en/downloads.html		version 6.25
/en/downloads.html		version 6.24
/en/downloads.html		version 6.23
/en/downloads.html		version 6.22
/en/galerie_exoplanets.html		exoplanets
/en/galerie_ebs.html		eclipsing binaries
/en/downloads.html		version 6.21
/en/downloads.html		version 6.20
/en/my_confirmed_exoplanets_en...		new list
/en/my_exoplanet_candidates_en...		candidates
https://exoplanetarchive.ipac....	External Subdomain	TOI-5174 b (TOI 5174.01 or TIC 49428710.01)
/en/my_exoplanet_candidates_en...		candidate list
https://www.zooniverse.org/pro...	External Subdomain	found
https://exofop.ipac.caltech.ed...	External Subdomain	registered
https://arxiv.org/pdf/2208.122...	External	Validation of TESS exoplanet candidates orbiting solar analogues in the all-sky PLATO input catalogue
https://github.com/noraeisner/...	External	LATTE
/confirmed_planets/toi-5174b_s...		No Text
/en/my_exoplanet_candidates_en...		Trivial anchor text here
/en/downloads.html		version 6.19
/en/downloads.html		version 6.18
/en/downloads.html		version 6.17
/en/my_exoplanet_candidates_en...		Exoplanet candidate list
/en/exoplanet_hunt_history_en....		History of exoplanet hunt
/en/downloads.html		version 6.16
/en/downloads.html		version 6.15
/en/downloads.html		version 6.14
https://www.zooniverse.org/pro...	External Subdomain	Planet Hunters TESS (PHT)
/en/my_exoplanet_candidates_en...	Text duplicate	Trivial anchor text here
https://mast.stsci.edu/phad/	External Subdomain	Planet Hunters Analysis Database
https://exofop.ipac.caltech.ed...	External Subdomain	TIC 443616612.01
https://exofop.ipac.caltech.ed...	External Subdomain	TIC 27064468.01
https://exofop.ipac.caltech.ed...	External Subdomain	TIC 337385330.01
https://exofop.ipac.caltech.ed...	External Subdomain	TIC 91287873.01
https://exofop.ipac.caltech.ed...	External Subdomain	TIC 59490344.01
https://exofop.ipac.caltech.ed...	External Subdomain	TIC 393546540.01
https://academic.oup.com/mnras...	External Subdomain	publication
https://academic.oup.com/mnras...	External Subdomain Text duplicate	publication
https://tess.mit.edu/observati...	External Subdomain	44
https://tess.mit.edu/observati...	External Subdomain	45
https://www.zooniverse.org/pro...	External Subdomain Text duplicate	Planet Hunters TESS (PHT)
https://www.physics.ox.ac.uk/o...	External Subdomain	Nora Eisner
https://tess.mit.edu/science/	External Subdomain	TESS
https://iopscience.iop.org/art...	External Subdomain Text duplicate	publication
/en/planet_hunters_tess.html		PHT Results and Discussions
https://exofop.ipac.caltech.ed...	External Subdomain Text duplicate	TIC 443616612.01
https://exofop.ipac.caltech.ed...	External Subdomain Text duplicate	TIC 27064468.01
https://exofop.ipac.caltech.ed...	External Subdomain Text duplicate	TIC 337385330.01
https://exofop.ipac.caltech.ed...	External Subdomain Text duplicate	TIC 91287873.01
https://exofop.ipac.caltech.ed...	External Subdomain Text duplicate	TIC 59490344.01
https://exofop.ipac.caltech.ed...	External Subdomain Text duplicate	TIC 393546540.01
https://earthsky.org/space/hyc...	External	studies
/en/planetensuche.html	Text duplicate	Planetensuche
/en/downloads.html		version 6.13
/en/planet_hunters_tess.html	Text duplicate	Trivial anchor text here
/en/exoplanet_hunt_history_de....		on this place
/en/downloads.html		version 6.12
https://en.wikipedia.org/wiki/...	External Subdomain	Milky Way
https://en.wikipedia.org/wiki/...	External Subdomain Text duplicate	exoplanets
https://en.wikipedia.org/wiki/...	External Subdomain Text duplicate	Milky Way
https://exoplanetarchive.ipac....	External Subdomain	NASA database
https://en.wikipedia.org/wiki/...	External Subdomain	habitable zone
https://en.wikipedia.org/wiki/...	External Subdomain	Star Trek
https://en.wikipedia.org/wiki/...	External Subdomain	Star Wars
https://en.wikipedia.org/wiki/...	External Subdomain	Gliese 581 c
https://en.wikipedia.org/wiki/...	External Subdomain	HD 209458 b
https://en.wikipedia.org/wiki/...	External Subdomain	Taphao Thong
https://en.wikipedia.org/wiki/...	External Subdomain	Drake equation / Green-Bank formula
/en/downloads.html		version 6.11
/en/downloads.html		version 6.10
/en/downloads.html		version 6.09

Server configuration 45% achieved

HTTP redirects

(Critically important)

The checked page does not redirect to another URL.

WWW Redirect

HTTP header

(Important)

The HTML page should be transferred using GZip compression.

The X-powered header is sent within the response header. (unnecessary)

HTTP headers

Performance

(Somewhat important)

The page response time is excellent with 0.02 seconds.

This page only loads 3 CSS files. That's ok.

This page does not require any JavaScript files.

The file size of the HTML document is fine (24 kB).

Page Speed

HTTP Response Header

Name	Value
server	nginx
date	Sun, 30 Jun 2024 12:33:31 GMT
content-type	text/html
content-length	24247
last-modified	Sat, 11 May 2024 07:16:14 GMT
connection	keep-alive
etag	"663f1b3e-5eb7"
x-powered-by	PleskLin
accept-ranges	bytes
statuscode	200
http_version	HTTP/1.1

External factors 25% achieved

Blacklists

(Nice to have)

This website is not classified "for adult only".

Blacklist

Backlinks

(Critically important)

This page has only a few links from other websites.

This page only has backlinks from 1 referring domains.

This page only has 2 backlinks.

This page only has few backlinks from 1 different ip addresses.

Backlinks

Facebook popularity

(Somewhat important)

The page has 0 shares and comments on Facebook.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

User-agent: *
Disallow: /mantis/
Disallow: /phpmyadmin/
Disallow: /pstest/

Similar sites

Search preview

www.planetensuche.de › index.html

Planetensuche

Astronomiesoftware Planetensuche, die Suche nach Exoplaneten

Most important keywords

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

Keyword	Result	Recheck
Planetensuche	65%	Check
exoplanet	54%	Check
Planet Hunters	51%	Check
Schwamb et al	51%	Check
new Planetensuche	50%	Check
Planetensuche update	50%	Check
planet candidates	50%	Check
confirmed exoplanet	49%	Check
exoplanet hunt	49%	Check
exoplanet candidates	48%	Check
first confirmed exoplanet	47%	Check
Planet Hunters TESS	46%	Check
exoplanet candidate list	46%	Check
planets	44%	Check
confirmed	44%	Check
TESS	44%	Check
new Planetensuche update	44%	Check
hunt	44%	Check
candidates	43%	Check
exoplanets	43%	Check
list	43%	Check
Server	43%	Check
Oct	43%	Check
Sept	43%	Check
confirmed exoplanets	43%	Check

Show more keywords and terms

Test up to 1.000 webpages of planetensuche.de with our free plan!

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Meta and on page check for each page
Automated check for keyword optimization

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Planetensuche.de - SEO Checker

Task list of SEO Improvements 7 Tasks

Meta specifications 81% achieved

(Critically important)

(Critically important)

(Critically important)

(Important)

(Somewhat important)

(Somewhat important)

(Somewhat important)

(Somewhat important)

(Somewhat important)

(Somewhat important)

(Nice to have)

(Nice to have)

Meta tags

Test up to 1.000 webpages of planetensuche.de with our free plan!

Page quality 76% achieved

(Critically important)

(Critically important)

(Somewhat important)

(Somewhat important)

(Somewhat important)

(Nice to have)

(Nice to have)

(Somewhat important)

Media list

Page structure 67% achieved

(Critically important)

(Important)

Heading structure

Link structure 65% achieved

(Important)

(Nice to have)

Found links on this page

Server configuration 45% achieved

(Critically important)

(Important)

(Somewhat important)

HTTP Response Header

External factors 25% achieved

(Nice to have)

(Critically important)

(Somewhat important)

Links from Wikipedia

Robots.txt

Similar sites

Search preview

Most important keywords

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