Lit.dev - SEO Checker

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Overview of the SEO Check
Meta information
80% 
Page quality
76% 
Page structure
44% 
Link structure
92% 
Server
100% 
External factors
100% 
SEO Score
Response time
0.40 s
File size
174.40 kB
Words
693
Media files
3
Number of links
19 internal / 27 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Lit
The page title is too short. (20 pixels of 580 max pixel length) Optimize title
The page title is only one word.
There are no duplicate words in the title
Meta description
(Critically important)
Simple. Fast. Web Components.
The length of the meta description is perfect. (200 pixels out of 1000 max pixel length)
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: en
Language defined in HTML: en
Server location: United States of America
The following language is defined by HTML: en
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
viewportwidth=device-width,minimum-scale=1,initial-scale=1,user-scalable=yes
descriptionSimple. Fast. Web Components.
theme-color#fff
langen
twitter:cardsummary_large_image
twitter:site@buildWithLit
og:urlhttps://lit.dev/
og:titleLit
og:descriptionSimple. Fast. Web Components.
og:site_namelit.dev
og:imagehttps://lit.dev/images/logo-whitebg-padded-1600x800.png
og:image:altLit Logo
charsetutf-8

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Page quality

Content
(Critically important)
This page contains 693 words. That's ok.
28.7% of the text are stop words.
The page contains a listing, which indicates a good text layout.
11 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 17.46 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,minimum-scale=1,initial-scale=1,user-scalable=yes" is provided.
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 14 tags for this page.
Image SEO
(Somewhat important)
3 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
https://lit.dev/images/home/standards.svgNo alt attribute provided
https://lit.dev/images/home/lightning.svgNo alt attribute provided
https://lit.dev/images/home/future.svgNo alt attribute provided

Page structure

H1 heading
(Critically important)
Simple
Too many H1 headings
The H1 heading consists of only one word. There should be more information given.
The H1 heading is too short (6 characters). It should be at least 20 Characters long.
Headings
(Important)
The heading structure is perfect.

Heading structure

Heading levelContent
H1 Simple
H1 Fast
H1 Web Components
H1 Custom Elements
H1 Scoped styles
H1 Reactive properties
H1 Declarative templates
H1 Build anything with Lit
H1 Many of the world's most forward-looking organizations are building with Lit
H1 Explore Lit
H1 Connect with Lit and the web components community
H2 Shareable Components
H2 Design Systems
H2 Sites and Apps
H2 Try our live tutorials — no installation needed
H2 Tinker with our interactive examples
H2 Dive deep with our extensive docs
H2 Check out all the options for jumping in
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 (27) on this page.

Found links on this page

LinkAttributesAnchor text
https://lit.dev/docs/Documentation
https://lit.dev/learn/Learn
https://lit.dev/playground/Playground
https://lit.dev/blog/Blog
https://github.com/lit/lit/New window External A-TITLE GitHub
https://lit.dev/No Text
https://lit.dev/docs/Text duplicate Documentation
https://lit.dev/learn/Text duplicate Learn
https://lit.dev/playground/Text duplicate Playground
https://lit.dev/blog/Text duplicate Blog
https://github.com/lit/lit/New window External Text duplicate A-TITLE GitHub
https://bsky.app/profile/lit.devExternal Trivial anchor text
here
https://www.npmjs.com/package/litNew window External Subdomain > npm i lit
/docs/getting-started/Get Started
https://lit.dev/playground/Edit this example in the Lit Playground
https://opensource.adobe.com/s...New window External Subdomain Anchor Spectrum Web Components
https://auro.alaskaair.com/New window External Subdomain Anchor Auro Design System
https://github.com/momentum-de...New window External Anchor Momentum UI
https://github.com/home-assist...New window External Anchor Frontend UI
https://github.com/carbon-desi...New window External Anchor Carbon Web Components
https://lion.js.org/New window External Subdomain Anchor Lion Web Components
https://github.com/ithaka/phar...New window External Anchor Pharos Design System
https://github.com/pwa-builder...New window External Anchor PWA Starter
https://github.com/1-PlatformNew window External Anchor One Platform Components
https://github.com/SAP/ui5-web...New window External Anchor UI5 Web Components
https://shoelace.style/New window External Anchor Components
https://hilla.dev/New window External Anchor Hilla Framework
https://core.clarity.design/New window External Subdomain Clarity Core
https://github.com/rough-stuff...New window External Anchor Wired Elements
https://lit.dev/learn/Tutorials
https://lit.dev/playground/Text duplicate Playground
https://lit.dev/docs/Text duplicate Documentation
/docs/getting-started/Get started
https://lit.dev/discord/New window Lit Discord Chat about Lit with the Lit community and dev team
https://bsky.app/profile/lit.devNew window External Bluesky Stay up to date with the latest news
https://github.com/lit/lit/New window External GitHub File issues, read the code, and make contributions
https://stackoverflow.com/ques...New window External Stack Overflow Ask and answer questions about Lit
https://lit.dev/discord/New window A-TITLE Discord
https://bsky.app/profile/lit.devNew window External A-TITLE Bluesky
https://twitter.com/buildWithLitNew window External A-TITLE Twitter
https://github.com/lit/lit/New window External Text duplicate A-TITLE GitHub
https://lit.dev/youtube/New window A-TITLE YouTube
https://stackoverflow.com/ques...New window External A-TITLE Stack Overflow
/community-calendar/New window A-TITLE Community Calendar
https://spdx.org/licenses/BSD-...External BSD-3-Clause
https://spdx.org/licenses/CC-B...External CC-BY-3.0

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://lit.dev/"
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 0.40 seconds.
The file size of the HTML document is fine (174 kB).

HTTP Response Header

NameValue
last-modifiedSat, 15 Mar 2025 01:38:18 GMT
cache-controlmax-age=0
content-typetext/html; charset=utf-8
etagW/"6527-1959773b7ab"
content-security-policyscript-src 'self' https://www.googletagmanager.com/ 'sha256-bG+QS/Ob2lFyxJ7r7PCtj/a8YofLHFx4t55RzjR1znI=' 'sha256-RzTTI/28QrruyqG1AYHiMuUgzLJnScrkQZ+k4vM54sc=' 'sha256-AfSstBN12R7lauCMo0649rggl60q7jtRLytXAqiCcko=' 'sha256-ZqU14A+v5z0SZfkGy3Obt+rnB8Ig87tDh14aelRZMrc=' 'sha256-fJIJ95LpFoQyT1NbKKMollEJmX39rFBBLc2I4uwVq70=' 'sha256-BAW4x/2+h0ercq8stI0TlHk5L5K98BzI6wDz13S3PHw=' 'sha256-cznkMQwfUz8uqZ22N85rDCEDvVZdjpKebS4BYgol+YQ=' 'sha256-3wzmlx/59IWPscesBhgdEzEOHaxqC1JOQ71cOPAfHEU=' 'sha256-PxPg1sitx/VakJ3y4byvJIV5cTs2YnZFZJEqzqsSkmc=' 'sha256-+3Fl2/d1Z/W0QhmGXwC7i9nLSo34f2jNzXh07Wm3iic=' 'sha256-IA2Y7wS4IxefFyUMBtt7aEwOjKYgPe+bQf0i62186Z8=' 'sha256-SIudMZ7i73OFCg1C1pyPsCfJBxAKQycJjRh7hBoeraE='; connect-src 'self' https://www.google-analytics.com/ https://*.algolia.io/ https://*.algolia.net/ https://*.algolianet.com/ https://api.github.com/; frame-src https://playground.lit.dev/ https://www.youtube-nocookie.com/; style-src 'self' 'unsafe-inline'; img-src 'self' data: https://i.ytimg.com/ https://www.googletagmanager.com/ https://avatars.githubusercontent.com/; object-src 'none'; default-src 'self'; base-uri 'none'; form-action 'none'; frame-ancestors 'none'; report-uri https://csp.withgoogle.com/csp/lit-dev
content-encodinggzip
x-cloud-trace-context6b4f8d2e25a1e23d76b248bf30e7dba2
varyAccept-Encoding
dateMon, 17 Mar 2025 08:27:16 GMT
serverGoogle Frontend
content-length25895
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 2,020 referring domains.
This page has 11,555 backlinks.
This page has backlinks from 1,094 different ip addresses.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

# An empty robots.txt is the same as no robots.txt, except that it prevents
# sending a 404.html page which is invalid.

Similar sites

Search preview

lit.dev
Lit
Simple. Fast. Web Components.

Most important keywords

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

KeywordResultRecheck
lit66%Check
Simple62%Check
Lit components60%Check
Components54%Check
Web54%Check
Web Components54%Check
shareable components48%Check
Build43%Check
design38%Check
styles38%Check
Show more keywords and terms

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