Deck.of.cards - SEO Checker

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Overview of the SEO Check
Meta information
74% 
Page quality
52% 
Page structure
58% 
Link structure
25% 
Server
100% 
External factors
100% 
SEO Score
Response time
0.10 s
File size
1.70 kB
Words
6
Media files
0
Number of links
1 internal / 2 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Deck of Cards
The page title is too short. (127 pixels of 580 max pixel length) Optimize title
There are no duplicate words in the title
Meta description
(Critically important)
Play deck of cards with friends!
The meta description is too short. (192 pixels out of 1000 max pixel length) Optimize description
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
No canonical link is specified.
Language
(Somewhat important)
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 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
viewportinitial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0, user-scalable=no, viewport-fit=cover
apple-mobile-web-app-capableyes
og:descriptionPlay deck of cards with friends!
descriptionPlay deck of cards with friends!
theme-color#222
twitter:cardsummary_large_image
twitter:creator@pakastin
og:titleDeck of Cards
og:typegame
og:urlhttps://deck.of.cards
og:imagehttps://deck.of.cards/img/opengraph_e966094ccb19bb61eb6341e88619aa85.png
charsetutf-8

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Page quality

Content
(Critically important)
There are only 6 words on this page. Use at least 250 words to provide useful information.
No paragraphs were detected.
No placeholders texts or images were found.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
A viewport "initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0, user-scalable=no, viewport-fit=cover" is provided.
At least one 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

No media files were found.

Page structure

H1 heading
(Critically important)
There is no H1 heading specified.
Headings
(Important)
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.
This page seems to be an entry page, because only very few links were found.
Every linktext is unique.
None of the anchor texts is too long.
All internal links are not using dynamic parameters.
There are 2 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://opencollective.com/dec...New window External Sponsor development
https://github.com/deck-of-cardsNew window External Source code
https://deck.of.cards/old/New window Subdomain Old version

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://deck.of.cards/"
HTTP header
(Important)
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 0.10 seconds.
The file size of the HTML document is fine (2 kB).

HTTP Response Header

NameValue
access-control-allow-credentialstrue
access-control-allow-originhttps://deck.of.cards
alt-svch3=":443"; ma=2592000
cache-controlpublic, max-age=60, stale-while-revalidate=86400
content-encodingzstd
content-typetext/html; charset=utf-8
dateThu, 20 Nov 2025 13:03:06 GMT
etagW/"6a7-iG9b6M23P5DQjWPIbxS2Vz/pi6M"
varyOrigin
via1.1 Caddy
content-length788
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 462 referring domains.
This page has 549 backlinks.
This page has backlinks from 274 different ip addresses.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

No valid Robots.txt file was found.

Similar sites

Search preview

deck.of.cards
Deck of Cards
Play deck of cards with friends!

Most important keywords

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

KeywordResultRecheck
deck39%Check
cards39%Check
SOURCE CODE39%Check
Sponsor39%Check
development39%Check
Old39%Check
version39%Check
Play16%Check
friends16%Check

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