Lex.dk - SEO Checker

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Overview of the SEO Check
Meta information
80% 
Page quality
78% 
Page structure
58% 
Link structure
72% 
Server
91% 
External factors
100% 
SEO Score
Response time
0.07 s
File size
49.10 kB
Words
1073
Media files
30
Number of links
93 internal / 43 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Lex – Danmarks Nationalleksikon
The length of the page title is perfect. (299 pixels out of 580 max pixel length)
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)
https://lex.dk/
There is a valid canonical link specified.
Language
(Somewhat important)
Language detected in text: da
Language defined in HTML: da
Server location: United States of America
The following language is defined by HTML: da
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)
The favicon is linked correctly.

Meta tags

NameValue
google-site-verificationDwZjvVshXtvwxWrYJ6jvFu2URfuNBZxghWTANRxo6NE
facebook-domain-verificationicphoxnz0icnwes1nq1iyuel513hyz
viewportwidth=device-width, initial-scale=1
csrf-paramauthenticity_token
csrf-tokenvsyqJuF-HyDgbtp6mRsJAMd4H0xIW8KeKbY1RpGimjLwjg451vCMjglGsYc7V-qAQmRvGh7u5E9MdGD3ZpcRlg
format-detectiontelephone=no
langda
og:titleLex – Danmarks Nationalleksikon
og:typearticle
og:site_nameLex
og:urlhttps://lex.dk/
charsetutf-8

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Page quality

Content
(Critically important)
This page contains 1073 words. That's ok.
14.6% 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.
24 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 17 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: velkommen til lex – danmarks nationalleksikon
Image SEO
(Somewhat important)
22 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.
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
.../lex_logo_white-54022f627cd612e94187.svgLex – Danmarks Nationalleksikon
...ages/search_lex-ee48f54dc64ee8a4813e.svgSøg
...d_card_20230529-154443-4-8214x5476ma.jpgNo alt attribute provided
...m/6079/small_card_00577820-0x0ma_top.jpgNo alt attribute provided
...m/6078/small_card_Lex_topbillede__3_.pngNo alt attribute provided
...ig_top_20250421-120555-L-4000x2666ma.jpgNo alt attribute provided
...article_topimage_Volodymyr_Zelenskyj.jpgNo alt attribute provided
..._NV_kritisk_infra_top_Ikke-navngivet.jpgNo alt attribute provided
...ges/arrow-right-e5de07aa748d3ecae09a.svgNo alt attribute provided
...m/6069/small_card_square_Bryllupsdag.jpgNo alt attribute provided
...square_20190929-181623-L-5568x3712ma.jpgNo alt attribute provided
...anksy_Shop_Until_You_Drop_by_Banksy.jfifNo alt attribute provided
...quare_det_moderne_gennembrud_artikel.jpgNo alt attribute provided
...ges/arrow-right-e5de07aa748d3ecae09a.svgNo alt attribute provided
...tured_card_Retsodontologi_topbillede.jpgNo alt attribute provided
...on_item/5963/small_card_nytopbillede.jpgNo alt attribute provided
.../small_card_665293519061-4178x2664ma.jpgNo alt attribute provided
...ges/arrow-right-e5de07aa748d3ecae09a.svgNo alt attribute provided
...all_card_Biston-betularia_lys_iNat1.jpegNo alt attribute provided
.../small_card_35428090305_ff484ba5cb_o.jpgNo alt attribute provided
...ıdaki_ışıklar_Midilli_Adası_ndan_top.jpgNo alt attribute provided
..._item/1820/small_card_snealger_-_top.jpgNo alt attribute provided
...nmarkshistorien-64d071881af96233b393.jpgNo alt attribute provided
...ges/arrow-right-e5de07aa748d3ecae09a.svgNo alt attribute provided
...s/lex_logo_dark-603fe2f9ad83a32c6a79.svgLex – Danmarks Nationalleksikon
...e_universiteter-df1e4cf599524169d8e9.svgDanske Universiteter
...tners/gyldendal-5ae858e8fb0efe543d91.svgGyldendal
...ex_partners/dsl-ddf8110b735d0f9a6894.svgDet Danske Sprog- og Litteraturselskab
...x_partners/gads-9e8967614e9055ccfa1a.svgG.E.C. Gads Fond

Page structure

H1 heading
(Critically important)
There is no H1 heading specified.
Headings
(Important)
The structure of headings is missing one or more levels. Do not skip heading levels.
There are 38 headings on the page. The amount of headings should be in a more proper relation to the amount of text.

Heading structure

Heading levelContent
H2 Det sker
H2 Forstå
H2 Kultur og historie
H2 Mest læst i går
H2 Usædvanlig meget læst
H2 Sørgeligt lidt læst
H2 Krop, sundhed og sygdom
H2 Vidste du?
H2 Emner på Lex
H2 Værker på Lex
H2 Danmarkshistorien
H2 Seneste ændringer på Lex
H2 Adresse og kontakt
H2 Aktuelt
H2 Foreningen lex.dk
H2 Vilkår og data
H3 French Open
H3 Løve
H3 Drikkevand
H3 Handelskrigen mellem USA og Kina
H3 Krigen i Ukraine
H3 Kritisk infrastruktur
H3 Bryllupsdag
H3 Mads Pedersen
H3 Banksy
H3 Det moderne gennembrud
H3 Retsodontologi
H3 Sundhedsvæsenets historie
H3 Doping
H3 Klimacamouflage
H3 Lille lysmester
H3 Tyr eller tvilling
H3 Rød sne
H3 Geografi
H3 Personer
H3 Natur
H3 Historie
H3 Kultur
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 too many external links (43) on this page.

Found links on this page

LinkAttributesAnchor text
https://lex.dk/French_OpenFrench Open
https://lex.dk/løveLøve
https://lex.dk/drikkevandDrikkevand
/handelskrigen_mellem_USA_og_K...Handelskrigen mellem USA og Kina
/.temaside/krigen-i-ukraineKrigen i Ukraine
/kritisk_infrastrukturKritisk infrastruktur
/.temaside/dyk-ned-i-kulturenLæs mere
https://lex.dk/bryllupsdagBryllupsdag
https://lex.dk/Mads_PedersenMads Pedersen
https://lex.dk/BanksyBanksy
/det_moderne_gennembrudDet moderne gennembrud
/karakterer_og_karakterskalaerkarakterer og karakterskalaer
https://lex.dk/dekorativdekorativ
https://lex.dk/bryllupsdagbryllupsdag
/amerikanske_præsidenteramerikanske præsidenter
https://lex.dk/militære_gradermilitære grader
https://lex.dk/French_OpenText duplicate French Open
https://lex.dk/Hugo_RothenbergHugo Rothenberg
https://lex.dk/DannebrogordenenDannebrogordenen
https://lex.dk/Poul_SchlüterPoul Schlüter
/Sydafrikas_historieSydafrikas historie
https://lex.dk/retorikretorik
https://lex.dk/Jørgen_EjbølJørgen Ejbøl
https://lex.dk/Käthe_KollwitzKäthe Kollwitz
https://lex.dk/Jevgenij_ZamjatinJevgenij Zamjatin
/Frankrigs_litteratur_efter_2....Frankrigs litteratur efter 2. Verdenskrig
/.temaside/krop-sundhed-og-sygdomText duplicate Læs mere
https://lex.dk/retsodontologiRetsodontologi
/sundhedsvæsenets_historieSundhedsvæsenets historie
https://lex.dk/dopingDoping
/.temaside/vidste-duText duplicate Læs mere
https://lex.dk/birkemålerKlimacamouflage
https://lex.dk/ildfluerLille lysmester
https://lex.dk/stjernetegnTyr eller tvilling
https://lex.dk/snealgerRød sne
http://lex.dk/.taxonomy/121Danmarks geografi og historie
http://lex.dk/.taxonomy/4085Sprog, religion og filosofi
http://lex.dk/.taxonomy/3255Natur og miljø
http://lex.dk/.taxonomy/27Bil, båd, fly m.m.
http://lex.dk/.taxonomy/2025Krop, psyke og sundhed
http://lex.dk/.taxonomy/776Geografi og historie
http://lex.dk/.taxonomy/2940Livsstil, sport og fritid
http://lex.dk/.taxonomy/632Erhverv, karriere og ledelse
http://lex.dk/.taxonomy/3772Samfund, jura og politik
http://lex.dk/.taxonomy/2149Kunst og kultur
http://lex.dk/.taxonomy/3065Mad og bolig
http://lex.dk/.taxonomy/1550It, teknik og naturvidenskab
https://trap.lex.dk/External Subdomain Trap Danmark
https://trap-groenland.lex.dk/External Subdomain Trap Grønland
https://trap-faeroeerne.lex.dk/External Subdomain Trap Færøerne
https://trap5.lex.dk/External Subdomain Trap Danmark 5. udgave
https://biografiskleksikon.lex...External Subdomain Dansk Biografisk Leksikon
https://kvindebiografiskleksik...External Subdomain Dansk Kvindebiografisk Leksikon
https://naturenidanmark.lex.dk/External Subdomain Naturen i Danmark
https://pattedyratlas.lex.dk/External Subdomain Dansk Pattedyratlas
https://danmarksoldtid.lex.dk/External Subdomain Danmarks Oldtid
https://gyldendalogpolitikensd...External Subdomain Gyldendal og Politikens Danmarkshistorie
https://bornelitteratur.lex.dk/External Subdomain Historien om børnelitteratur
https://dansklitteraturshistor...External Subdomain Dansk litteraturs historie
https://lex.dk/.alfabetisk/A/1A
https://lex.dk/.alfabetisk/B/1B
https://lex.dk/.alfabetisk/C/1C
https://lex.dk/.alfabetisk/D/1D
https://lex.dk/.alfabetisk/E/1E
https://lex.dk/.alfabetisk/F/1F
https://lex.dk/.alfabetisk/G/1G
https://lex.dk/.alfabetisk/H/1H
https://lex.dk/.alfabetisk/I/1I
https://lex.dk/.alfabetisk/J/1J
https://lex.dk/.alfabetisk/K/1K
https://lex.dk/.alfabetisk/L/1L
https://lex.dk/.alfabetisk/M/1M
https://lex.dk/.alfabetisk/N/1N
https://lex.dk/.alfabetisk/O/1O
https://lex.dk/.alfabetisk/P/1P
https://lex.dk/.alfabetisk/Q/1Q
https://lex.dk/.alfabetisk/R/1R
https://lex.dk/.alfabetisk/S/1S
https://lex.dk/.alfabetisk/T/1T
https://lex.dk/.alfabetisk/U/1U
https://lex.dk/.alfabetisk/V/1V
https://lex.dk/.alfabetisk/W/1W
https://lex.dk/.alfabetisk/X/1X
https://lex.dk/.alfabetisk/Y/1Y
https://lex.dk/.alfabetisk/Z/1Z
https://lex.dk/.alfabetisk/Æ/1Æ
https://lex.dk/.alfabetisk/Ø/1Ø
https://lex.dk/.alfabetisk/Å/1Å
https://lex.dk/.alfabetisk/#/1#
https://danmarkshistorien.lex.dk/External Subdomain Besøg danmarkshistorien.lex.dk
https://lex.dk/.recent-activitiesSe al aktivitet
https://lex.dk/KandavaKandava
https://brugere.lex.dk/9118External Subdomain Adam Hyllested (Lex)
https://lex.dk/KandavaText duplicate Kandava
https://brugere.lex.dk/9118External Subdomain Text duplicate Adam Hyllested (Lex)
https://lex.dk/neurale_netværkneurale netværk
https://brugere.lex.dk/10009External Subdomain Ole Winther (DTU)
https://lex.dk/KandavaText duplicate Kandava
https://brugere.lex.dk/6065External Subdomain Stefan Pajung (Det Nationalhistoriske Museum på Frederiksborg)
https://lex.dk/KandavaText duplicate Kandava
https://brugere.lex.dk/6065External Subdomain Text duplicate Stefan Pajung (Det Nationalhistoriske Museum på Frederiksborg)
https://brugere.lex.dk/7051External Subdomain Olav Sejerøe
https://lex.dk/DFDSDFDS
https://brugere.lex.dk/12899External Subdomain Jørgen Høg
https://lex.dk/fyrstekapelfyrstekapel
https://brugere.lex.dk/11940External Subdomain Frida Aagesen (Nationalmuseet)
/Aftenposten_-_norsk_avisAftenposten - norsk avis
https://brugere.lex.dk/4External Subdomain Jacob Mollerup (Lex)
https://brugere.lex.dk/7646External Subdomain Lars Mæhlum
https://lex.dk/DagsavisenDagsavisen
https://brugere.lex.dk/4External Subdomain Text duplicate Jacob Mollerup (Lex)
https://brugere.lex.dk/7646External Subdomain Text duplicate Lars Mæhlum
/Dagbladet_-_norsk_avisDagbladet - norsk avis
https://brugere.lex.dk/4External Subdomain Text duplicate Jacob Mollerup (Lex)
https://brugere.lex.dk/7646External Subdomain Text duplicate Lars Mæhlum
https://lex.dk/MorgenbladetMorgenbladet
https://brugere.lex.dk/4External Subdomain Text duplicate Jacob Mollerup (Lex)
https://brugere.lex.dk/7646External Subdomain Text duplicate Lars Mæhlum
https://lex.dk/Norsk_TelegrambyråNorsk Telegrambyrå
https://brugere.lex.dk/4External Subdomain Text duplicate Jacob Mollerup (Lex)
https://brugere.lex.dk/7646External Subdomain Text duplicate Lars Mæhlum
https://lex.dk/IMG-ALT Lex – Danmarks Nationalleksikon
https://mere.lex.dk/nyheder/External Subdomain Nyheder
https://mere.lex.dk/nyhedsbrev/External Subdomain Nyhedsbrev
https://om.lex.dk/Om_LexExternal Subdomain Om Lex
https://om.lex.dk/Kontakt_reda...External Subdomain Kontakt redaktionen
https://mere.lex.dk/jobs/External Subdomain Jobs
https://mere.lex.dk/jobs/?hr=s...External Subdomain Bliv fagansvarlig
https://lex.dk/users/newOpret brugerkonto
https://lex.dk/.loginLog ind
https://om.lex.dk/Vilkår_for_a...External Subdomain Vilkår for anvendelse
https://om.lex.dk/Persondata-_...External Subdomain Persondata og cookies
https://dkuni.dk/External IMG-ALT Danske Universiteter
https://www.gyldendal.dk/External Subdomain IMG-ALT Gyldendal
https://dsl.dk/External IMG-ALT Det Danske Sprog- og Litteraturselskab
http://www.gadsfond.dk/External Subdomain IMG-ALT G.E.C. Gads Fond

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://lex.dk/"
HTTP header
(Important)
The web server version is sent within the HTTP header.
No X-Powered HTTP header is sent.
The web server transmits the web page (HTML) in compressed form.
Performance
(Somewhat important)
The page response time is excellent with 0.07 seconds.
The file size of the HTML document is fine (49 kB).

HTTP Response Header

NameValue
servernginx/1.22.1
dateWed, 28 May 2025 11:52:38 GMT
content-typetext/html; charset=utf-8
varyAccept-Encoding
x-frame-optionsSAMEORIGIN
x-xss-protection0
x-content-type-optionsnosniff
x-download-optionsnoopen
x-permitted-cross-domain-policiesnone
referrer-policystrict-origin-when-cross-origin
etagW/"295a894ae30395af25e02a7f8e256349"
cache-controlmax-age=0, private, must-revalidate
content-encodinggzip
x-varnish25257210 25625985
age91
via1.1 varnish (Varnish/7.1), 1.1 google
accept-rangesbytes
x-cacheHIT-GRACE
alt-svch3=":443"; ma=2592000,h3-29=":443"; ma=2592000
statuscode200
http_versionHTTP/2

External factors

This page is referenced by wikipedia.
This website has excellent links from other websites.
This page has backlinks from 361 referring domains.
This page has 28,166 backlinks.
This page has backlinks from 289 different ip addresses.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

# robots.txt
User-agent: *
User-agent: OAI-SearchBot
User-agent: ChatGPT-User # It appears ChatGPT-User user agent will use the GPTBot rules unless explicitly set
Disallow: /.search*
Disallow: /.version*
Disallow: /.bruker*
Disallow: /.admin*
Disallow: /.versionviewdiff*
Disallow: /.improvements*

Sitemap: https://lex.dk/.sitemap/sitemap.xml

# AI/LLM CRAWLERS
# We do not permit unlicensed use of our content for training large language models or other
# artificial intelligence technology. All use, reproductions and extractions of our content for such
# purposes require specific approval. Please contact the encyclopedia office if you have questions.

# Common Crawl
User-agent: CCBot
Disallow: /

# OpenAI
User-agent: GPTBot
Disallow: /

# Anthropic
User-agent: anthropic-ai
Disallow: /

User-agent: ClaudeBot
Disallow: /

User-agent: Claude-Web
Disallow: /

# Bytedance
User-agent: Bytespider
Disallow: /

# Hive
User-agent: ImagesiftBot
Disallow: /

# Webz
User-agent: OmigiliBot
Disallow: /

# Perplexity
User-agent: PerplexityBot
Disallow: /

# Diffbot
User-agent: Diffbot
Disallow: /

# Diffbot
User-agent: cohere-ai
Disallow: /

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Search preview

Most important keywords

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

KeywordResultRecheck
Lex74%Check
Lex Danmarks68%Check
Lex Danmarks Nationalleksikon63%Check
Danmark58%Check
Danmarks58%Check
Nationalleksikon52%Check
og historie50%Check
historie49%Check
Trap Danmark49%Check
Natur og48%Check
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