De.legacy.reactjs.org - SEO Checker

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Overview of the SEO Check
Meta information
46% 
Page quality
66% 
Page structure
40% 
Link structure
96% 
Server
100% 
External factors
27% 
SEO Score
Response time
0.05 s
File size
84.30 kB
Words
396
Media files
2
Number of links
24 internal / 18 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
React – Eine JavaScript Bibliothek zum Erstellen von Benutzeroberflächen
The page title should be shorter than 580 pixels. It is 668 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)
https://de.legacy.reactjs.org/
There is a valid canonical link specified.
Language
(Somewhat important)
Language detected in text: de
Language defined in HTML: en
Server location: United States of America
The given language en does not conform with the detected language de.
Alternate/Hreflang Links
(Somewhat important)
The alternate link to the page itself is missing.
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)
This page is hosted on a subdomain. Use a top level domain for better SEO results.
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
viewportwidth=device-width, initial-scale=1.0
apple-mobile-web-app-capableyes
apple-mobile-web-app-titleReact
generatorGatsby 2.32.13
theme-color#20232a
langen
fb:app_id623268441017527
og:titleReact – Eine JavaScript Bibliothek zum Erstellen von Benutzeroberflächen
og:typewebsite
og:urlhttps://de.legacy.reactjs.org/
og:imagehttps://legacy.reactjs.org/logo-og.png
og:descriptionEine JavaScript Bibliothek zum Erstellen von Benutzeroberflächen
X-UA-CompatibleIE=edge
charsetutf-8

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Page quality

Content
(Critically important)
There are only 396 words on this page. Good pages should have about 800 words of useful content.
37.1% of the text are stop words.
Keywords used in the page title are also used in the page content. That's good!
12 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 14.83 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
A viewport "width=device-width, initial-scale=1.0" 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 8 tags for this page.
Image SEO
(Somewhat important)
1 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
data:[...] Base64No alt attribute provided
data:[...] Base64Facebook Open Source

Page structure

H1 heading
(Critically important)
React
The H1 heading consists of only one word. There should be more information given.
The H1 heading is too short (5 characters). It should be at least 20 Characters long.
Headings
(Important)
Some headings occur twice on the page.
The structure of headings is missing one or more levels. Do not skip heading levels.

Heading structure

Heading levelContent
H1 React
H3 Deklarativ
H3 Komponentenbasiert
H3 Einmal lernen, für jede Plattform schreiben
H3 Eine einfache Komponente
H3 Eine zustandsabhängige Komponente
H3 Eine Anwendung
H3 Eine Komponente mit externen Plugins
H4 Lade Code-Beispiel...
H4 Lade Code-Beispiel... Duplicate text
H4 Lade Code-Beispiel... Duplicate text
H4 Lade Code-Beispiel... Duplicate text
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 18 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://surveys.savanta.com/su...New window External Subdomain No Text
https://surveys.savanta.com/su...New window External Subdomain Take our 2021 Community Survey!
https://react.dev/blog/2023/03...New window External Go to react.dev
https://de.legacy.reactjs.org/React
/docs/getting-started.htmlDocs
/tutorial/tutorial.htmlTutorial
/blog/Blog
/community/support.htmlCommunity
/versionsv18.2.0
/languagesLanguages
https://github.com/facebook/re...New window External GitHub
/docs/getting-started.htmlErste Schritte
/tutorial/tutorial.htmlZum Tutorial
https://reactnative.dev/New window Nofollow External React Native
https://babeljs.io/repl/?New window External Anchor Babel REPL
/docs/getting-started.htmlText duplicate Erste Schritte
/tutorial/tutorial.htmlText duplicate Zum Tutorial
/docs/getting-started.htmlInstallation
/docs/hello-world.htmlHauptkonzepte
/docs/accessibility.htmlFortgeschrittene Anleitungen
/docs/react-api.htmlAPI Referenz
/docs/hooks-intro.htmlHooks
/docs/testing.htmlTesten
/docs/concurrent-mode-intro.htmlConcurrent Mode (Experimental)
/docs/how-to-contribute.htmlMithelfen
/docs/faq-ajax.htmlFAQ
https://github.com/facebook/reactNew window External Text duplicate GitHub
https://stackoverflow.com/ques...New window External Stack Overflow
https://reactjs.org/community/...New window External Anchor Discussion Forums
https://discord.gg/reactifluxNew window External Reactiflux Chat
https://dev.to/t/reactNew window External DEV Community
https://www.facebook.com/reactNew window External Subdomain Facebook
https://twitter.com/reactjsNew window External Twitter
https://github.com/facebook/re...External Code of Conduct
/community/support.htmlCommunity Resources
/tutorial/tutorial.htmlText duplicate Tutorial
/blogText duplicate Blog
/acknowledgements.htmlAcknowledgements
https://reactnative.dev/New window External Text duplicate React Native
https://opensource.facebook.co...External Subdomain Privacy
https://opensource.facebook.co...External Subdomain Terms
https://opensource.facebook.co...New window External Subdomain IMG-ALT Facebook Open Source

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://de.legacy.reactjs.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 0.05 seconds.
The file size of the HTML document is fine (84 kB).

HTTP Response Header

NameValue
access-control-allow-origin*
age2829328
cache-controlpublic, max-age=0, must-revalidate
content-dispositioninline
content-encodinggzip
content-typetext/html; charset=utf-8
dateWed, 24 Jul 2024 10:00:32 GMT
etagW/"7cb4621863c5b06317b2cc4593d9dea9"
serverVercel
strict-transport-securitymax-age=63072000
x-vercel-cacheHIT
x-vercel-idfra1::6f5dq-1721815232619-ed94a5b98ecb
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 2 referring domains.
This page only has 5 backlinks.
This page only has few backlinks from 2 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: /version/

Similar sites

Search preview

Most important keywords

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

KeywordResultRecheck
react78%Check
React Native56%Check
JavaScript46%Check
Bibliothek46%Check
JavaScript Bibliothek46%Check
Erstellen45%Check
Benutzeroberflächen45%Check
Komponente43%Check
Code43%Check
Beispiel43%Check
Show more keywords and terms

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