Healthylight.de - SEO Checker

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Overview of the SEO Check
Meta information
59% 
Page quality
55% 
Page structure
100% 
Link structure
88% 
Server
95% 
External factors
46% 
SEO Score
Response time
1.63 s
File size
171.60 kB
Words
4671
Media files
57
Number of links
62 internal / 4 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Licht und Gesundheit – Ein Blog um Licht, wie es das Leben bestimmt
The page title should be shorter than 580 pixels. It is 627 pixels long. Optimize title
There are no duplicate words in the title
Meta description
(Critically important)
The meta description is missing.
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
Language defined in HTML: de-de
Server location: United States of America
The following language is defined by HTML: de-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.
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 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
robotsmax-image-preview:large
generatorWordPress 6.5.4
viewportwidth=device-width, initial-scale=1
langde-de
twitter:creator@Yarramalong
og:typewebsite
og:titleLicht und Gesundheit
og:descriptionEin Blog um Licht, wie es das Leben bestimmt
og:urlhttps://healthylight.de/
og:site_nameLicht und Gesundheit
og:imagehttps://s0.wp.com/i/blank.jpg
og:image:altEmpty
og:localede_DE
Content-Typetext/html; charset=UTF-8
X-UA-CompatibleIE=edge

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Page quality

Content
(Critically important)
Words from the H1 heading are not used in the page content.
The content of this page is too large (4671 words). Maybe the content could be divided into several pages.
These Typos were found:
  • nix => nichts
46.5% of the text are stop words.
Keywords used in the page title are also used in the page content. That's good!
The page contains a listing, which indicates a good text layout.
60 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 11.42 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 following tag is repeated too often: avw
Some tags are too long. With 116 characters this one is longer than 70 characters:
"bei der bewertung irgendeines umweltfaktors am arbeitsplatz immer die gesamtheit aller stressoren zu b..."
Image SEO
(Somewhat important)
50 images have no alt attribute. The content of alt attributes is used by search engines.
Social Networks
(Nice to have)
This page is optimized perfectly for social networks.
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
...t/uploads/2019/03/Denkbar.Headingneu.png
Insecure Content		Licht und Gesundheit
/wp-content/uploads/2024/05/Patenschaft.pngNo alt attribute provided
...s-at-a-scientific-congress-430250786.pngNo alt attribute provided
.../2024/04/a-smart-boss-with-new-ideas.pngNo alt attribute provided
/wp-content/uploads/2018/02/Kartell1.pngNo alt attribute provided
.../04/office-building-well-illuminated.pngNo alt attribute provided
.../uploads/2024/03/Wirtschaftlichkeit1.pngNo alt attribute provided
/wp-content/uploads/2015/02/Planer.pngNo alt attribute providedPlaner rechner
...ds/2024/04/Ewige-Gluehlampe1-177x700.pngNo alt attribute providedEwige-Glühlampe1
...ontent/uploads/2014/10/Blendung-Blau.pngNo alt attribute provided
...oads/2016/01/Blendung-Tornado-Syrien.pngNo alt attribute provided
...ploads/2024/03/Happy_Lighting_Users2.pngNo alt attribute provided
...content/uploads/2024/04/LITGHartmann.pngNo alt attribute provided
...4/04/Persilschein-fuer-Licht-300x200.pngNo alt attribute providedPersilschein für Licht
...tent/uploads/2020/11/Leer200-150x150.pngNo alt attribute provided
.../2015/06/Fensterlose-Industriebauten.pngNo alt attribute provided
/wp-content/uploads/2024/04/Larson1.pngNo alt attribute provided
/wp-content/uploads/2020/11/Leer50.pngNo alt attribute provided
...lacksmoker_in_Atlantic_Ocean-204x300.jpgNo alt attribute provided
/wp-content/uploads/2020/05/Hollwich4.png
Insecure Content		No alt attribute provided
...t/uploads/2019/06/Avni-Ideen-109x300.pngNo alt attribute provided
/wp-content/uploads/2014/12/Hollwich12.pngNo alt attribute provided
...content/uploads/2024/03/Lichtfarben1.pngNo alt attribute provided
/wp-content/uploads/2024/04/Bluelight.pngNo alt attribute provided
...oads/2015/04/SicherheitundGesundheit.pngNo alt attribute provided
...ersuchraeume-einst-und-heute-367x700.pngNo alt attribute providedVersuchräume einst und heute
.../02/Grosse-Moschee-Abu-Dhabi-461x700.pngNo alt attribute provided
/wp-content/uploads/2020/11/Leer50.pngNo alt attribute provided
...ent/uploads/2015/08/science1-700x526.pngNo alt attribute providedsciencefaction
...ntent/uploads/2018/08/LED-flimmert-1.pngNo alt attribute providedLED-flimmert
/wp-content/uploads/2016/04/Mod-9072.pngNo alt attribute provided
/wp-content/uploads/2016/04/Mod-245.pngNo alt attribute provided
...tent/uploads/2020/11/Leer200-150x150.pngNo alt attribute provided
/wp-content/uploads/2016/04/Flimmern.gifNo alt attribute provided
...2024/04/Pandits-und-schlafen-im-buro.pngNo alt attribute provided
...g-technical-solution-messes-health-1.pngNo alt attribute providedwrong-technical-solution-messes-health
...moment-of-contemplation-captured-in-.pngNo alt attribute provided
...24/04/Schlafender-Junge-un-Ampelmann.pngNo alt attribute providedSchlafender Junge un Ampelmann
...content/uploads/2024/02/lambdakurve1.pngNo alt attribute provided
...oads/2022/02/Grundgrössen41-700x525.png
Insecure Content		No alt attribute provided
...2/Lichtteczhnische-Grundgrössenfrei.pngNo alt attribute providedLichtteczhnische Grundgrößenfrei
/wp-content/uploads/2018/02/Saulux.pngNo alt attribute provided
...chttechnische-Grundgrössen-für-Kuh.pngNo alt attribute providedLichttechnische Grundgrößen für Kuh
...tent/uploads/2019/06/Pflanze-ohne-IR.png
Insecure Content		No alt attribute provided
...ds/2024/04/Spektrale-Empfindlichkeit.pngNo alt attribute providedSpektrale Empfindlichkeit
...ent/uploads/2018/03/Licht-und-Spinat.pngNo alt attribute provided
/wp-content/uploads/2021/01/Stress.pngNo alt attribute provided
...ontent/uploads/2018/03/Welk1-246x300.pngNo alt attribute provided
...017/01/Unter-500-lx-sterben-Pflanzen.png
Insecure Content		No alt attribute provided
/wp-content/uploads/2018/03/Blumen-welk.pngNo alt attribute provided
...ads/2024/04/dawn-of-the-elektric-sun.jpgNo alt attribute provided
Video URLWidthHeight
...=1&hl=de-DE&autohide=2&wmode=transparent904509

Page structure

H1 heading
(Critically important)
LICHT 2025 Studierendenpatenschaft - „Licht-Nachwuchs fördern: Pate werden!“
The H1 heading is perfect.
Headings
(Important)
The heading structure is perfect.

Heading structure

Heading levelContent
H1 LICHT 2025 Studierendenpatenschaft - „Licht-Nachwuchs fördern: Pate werden!“
H2 Die beste Idee seit es Lichttechnik gibt
H2 Unser Chefblogger versteht Dr. Boss
H2 Irren ist menschlich - Künstliches Licht wird gesund- Irgendwann ...
H2 Was so alles durch eine falsche Definition entstehen kann
H2 100 Jahre V(λ)-Kurve
H2 Neueste Beiträge
H2 Kategorien
H2 Meta Daten
H2 Ältere Beiträge
Some anchor texts are used more than once.
There are 1 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.
There are 4 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://healthylight.de/IMG-ALT Licht und Gesundheit
A-TITLE Ein Blog um Licht, wie es das Leben bestimmt
https://healthylight.de/home/Home
https://healthylight.de/blog/Blog
/top-beitraege/Top Beiträge
/ueber-diesen-blog/Zum Thema
https://healthylight.de/list/Liste
https://healthylight.de/kontakt/Kontakt
/impressum/Impressum
https://www.litg.de/Aktuelles/...External Subdomain Trivial anchor text
hier
https://studierendenpatenschaf...External dort
/tag/design/Design
/tag/licht/Licht
/tag/planung/Planung
/tag/beleuchtung/Beleuchtung
/tag/blendung/Blendung
/tag/edison/Edison
https://healthylight.de/tag/led/LED
/tag/leuchte/Leuchte
/tag/licht/Text duplicate Licht
/tag/nacht/Nacht
https://healthylight.de/tag/norm/Norm
/tag/strom/Strom
/weg-mit-lichtblick/Text duplicate Trivial anchor text
hier
https://www.daserste.de/inform...External Subdomain Anchor Text duplicate Trivial anchor text
hier
/tag/beleuchtung/Text duplicate Beleuchtung
/tag/blendung/Text duplicate Blendung
/tag/circadian/circadian
/tag/flicker/Flicker
/tag/forschung/Forschung
/tag/gesundheit/Gesundheit
/tag/hollwich/Hollwich
/tag/krebs/Krebs
https://healthylight.de/tag/led/Text duplicate LED
/tag/lichtfarbe/Lichtfarbe
/tag/nacht/Text duplicate Nacht
/tag/philips/Philips
/tag/sehen/Sehen
/heilige-500-ist-wieder-da/Beitrag
/tag/farbe/Farbe
/tag/licht/Text duplicate Licht
https://healthylight.de/tag/norm/Text duplicate Norm
/tag/sehen/Text duplicate Sehen
/tag/licht/Text duplicate Licht
https://healthylight.de/page/2/Older Entries
/die-beste-idee-seit-es-lichtt...Die beste Idee seit es Lichttechnik gibt
/eine-maerchenhaft-schoene-bel...Eine Märchenhaft Schöne Beleuchtung
/irren-ist-menschlich-kuenstli...Irren ist menschlich – Künstliches Licht wird gesund – Irgendwann
/irrtuemer-durch-eine-falsche-...Irrtümer durch eine falsche Definition
/100-jahre-vlambda-kurve/100 Jahre Vlambda-Kurve
/category/allgemein/Allgemein
/category/circadiane-rhythmen/circadiane Rhythmen
/category/energieeffizienz/Energieeffizienz
/category/farbe/Text duplicate Farbe
/category/gesundheit/Text duplicate Gesundheit
/category/lebensdauer/Lebensdauer
/category/led/Text duplicate LED
/category/lichtqualitaet/Lichtqualität
/category/lichtverschmutzung/Lichtverschmutzung
/category/normen/Normen
/category/quecksilber/Quecksilber
/category/sicherheit/Sicherheit
/category/tageslicht/Tageslicht
/wp-login.phpAnmelden
https://healthylight.de/feed/Feed der Einträge
/comments/feed/Kommentare-Feed
https://de.wordpress.org/External Subdomain WordPress.org

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://healthylight.de/"
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 very slow (1.63 seconds). The response time should be less than 0.4 seconds. Slow websites are bad for search engine bots and also result in bad user experience.
The file size of the HTML document is fine (172 kB).

HTTP Response Header

NameValue
servernginx
dateWed, 12 Jun 2024 18:58:14 GMT
content-typetext/html; charset=UTF-8
content-length36236
varyaccept,content-type,Accept-Encoding
link<https://healthylight.de/wp-json/>; rel="https://api.w.org/", <https://wp.me/5hY0j>; rel=shortlink
content-encodinggzip
statuscode200
http_versionHTTP/2

External factors

Blacklists
(Nice to have)
This website is not classified "for adult only".
This page has only a few links from other websites.
This page only has backlinks from 10 referring domains.
This page only has 62 backlinks.
This page only has few backlinks from 8 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

User-agent: *
Disallow: /wp-admin/
Allow: /wp-admin/admin-ajax.php

Sitemap: https://healthylight.de/wp-sitemap.xml

Similar sites

Search preview

Most important keywords

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

KeywordResultRecheck
LICHT72%Check
LICHT 202562%Check
Künstliches Licht56%Check
Blog um Licht56%Check
gesund54%Check
light52%Check
es Lichttechnik51%Check
Am Ende51%Check
es heute51%Check
Gesundheit50%Check
Show more keywords and terms

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