Astro.build - SEO Checker

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Overview of the SEO Check
Meta information
80% 
Page quality
69% 
Page structure
58% 
Link structure
20% 
Server
100% 
External factors
100% 
SEO Score
Response time
0.06 s
File size
281.00 kB
Words
1126
Media files
46
Number of links
72 internal / 56 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Astro
The page title is too short. (47 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)
Astro builds fast content sites, powerful web applications, dynamic server APIs, and everything in-between.
The length of the meta description is perfect. (656 pixels out of 1000 max pixel length)
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://astro.build/
There is a valid canonical link specified.
Language
(Somewhat important)
Language detected in text: en
Language defined in HTML: en
Server location: Canada
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
generatorAstro v5.7.13
theme-color#8D46E7
descriptionAstro builds fast content sites, powerful web applications, dynamic server APIs, and everything in-between.
robotsmax-image-preview:large
langen
twitter:cardsummary_large_image
twitter:siteastrodotbuild
twitter:titleAstro
twitter:descriptionAstro builds fast content sites, powerful web applications, dynamic server APIs, and everything in-between.
twitter:imagehttps://astro.build/og/astro.jpg
twitter:image:altAstro - Build the web you want.
og:titleAstro
og:typewebsite
og:urlhttps://astro.build/
og:localeen
og:descriptionAstro builds fast content sites, powerful web applications, dynamic server APIs, and everything in-between.
og:site_nameAstro
og:imagehttps://astro.build/og/astro.jpg
og:image:altAstro - Build the web you want.
charsetutf-8

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Page quality

Content
(Critically important)
There are 10 text duplicates on this page:
  • Duplicate 1: Astro only ships the JavaScript you need and automatically strips away...
  • Duplicate 2: Write type-safe backend functions that you can call directly from your...
  • Duplicate 3: Add an integration to instantly customize your project for Vercel, AWS...
  • Duplicate 4: Bring your favorite UI frameworks and component libraries with Astro's...
  • Duplicate 5: Extend your development environment with apps and integrations for the...
This page contains 1126 words. That's ok.
19.9% of the text are stop words.
Words from the H1 heading are used in the page content.
The page contains a listing, which indicates a good text layout.
18 paragraphs were found on this page.
The text content is perfect.
No placeholders texts or images were found.
The average number of words per sentence of 12.68 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" is provided.
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 23 tags for this page.
Image SEO
(Somewhat important)
6 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
/_astro/HeroBackground.B0iWl89K_2hpsgp.webpNo alt attribute provided
/assets/integrations/react.svgReact Logo
/assets/integrations/vue.svgVue Logo
/assets/integrations/preact.svgPreact Logo
/assets/integrations/svelte.svgSvelte Logo
/assets/integrations/solid.svgSolid Logo
/_astro/astro-cap.jt5HlOg8_12GvP4.webpOfficial Astro Cap Swag
/_astro/astro-cap.jt5HlOg8_12GvP4.webpOfficial Astro Cap Swag
/_astro/astro-cap.jt5HlOg8_12GvP4.webpOfficial Astro Cap Swag
/_astro/astro-cap.jt5HlOg8_12GvP4.webpOfficial Astro Cap Swag
/_astro/astro-cap.jt5HlOg8_12GvP4.webpOfficial Astro Cap Swag
/_astro/starlight-lp.Cy5G1hqN_16uoHW.webpStarlight theme by Astro
/_astro/astroship.knBTcZAP_2whvKx.webpAstroShip theme by Web3Templates
/_astro/astrolus.ffg8hvUW_gkvhr.webpAstrolus theme by Tailus-UI
/_astro/prima-persona.Dzc-txkT_1vuzy3.webpPrima Persona theme by Lexington Themes
/_astro/tailcast.yVop1N_i_ZIGAwH.webpTailcast theme by matt765
/_astro/more-themes.BRI40hdA_1j87cX.webpAn image showing all types of content driven websites you can build with Astro
/_astro/astro-shopify.B2cAlq31_2ePp9d.webpAstro Shopify theme by thomasKn
/_astro/quick-store.Dy67a8cK_sY4Ri.webpQuick Store theme by Lexington Themes
/_astro/SKNCRE.R_heZtGw_Z2bR73J.webpSKNCRE theme by Bryan Robinson
/_astro/astro-nano.DpaKlVSa_ZFrBEe.webpAstro Nano theme by Mark Horn
/_astro/stablo.20_iaSBy_ZHpb5T.webpStablo theme by Web3Templates
/_astro/microblog.Cd8W9ATs_2pcjyo.webpMicroblog theme by Lexington Themes
/_astro/dante.eaFko76u_1N631j.webpDante theme by Asta Bankauske
/_astro/brutal.Dj5i2_cI_1QF9rE.webpBrutal theme by ElianCodes
/_astro/openblog.N-z7mp58_wF1J4.webpOpenBlog theme by danielcgilibert
/_astro/starlight.CUYv-tJR_11Tn8h.webpStarlight theme by Astro
...astro-design-system.B26E2C8I_17ozzQ.webpAstro Design System theme by jordi
/_astro/ion.VBQu18If_21229X.webpIon theme by Louis Escher
/_astro/astrofy.x0ny8wy6_1mW9uQ.webpAstrofy theme by manuelernestog
/_astro/swissfolio.kHDsdhvO_23RHoj.webpSwissfolio theme by Lexington Themes
/_astro/gurido.C74fIMwD_Z1Pfxse.webpGurido theme by Lexington Themes
...o/share-your-links.D4SkifyL_Z1euQfG.webpShareYourLinks theme by Angela Sofia Osorio
/_astro/esquelete-cv.CFllQl57_28hSqt.webpEsquelete CV theme by Martín
...re-portfolio-themes.CEQpWrzr_Zc4c3g.webpAn image showing all types of content driven websites you can build with Astro
/_astro/sendit.Mx3kHD-6_ZKSsSm.webpSendit theme by CloudCannon
/_astro/stone.DAxs2jJD_1gBBQh.webpStone theme by m6v3l9
/_astro/positivus.BjNv8JwM_Zbogld.webpPositivus theme by Manul Thanura
/_astro/atom.YzcaRLyp_244CIC.webpAtom theme by Méschac Irung
/_astro/astroplate.DWGGgLDV_hLirV.webpAstroplate theme by Zeon Studio
...tro/more-lp-themes.D8wLTVEK_Z1fXCfo.webpAn image showing all types of content driven websites you can build with Astro
/_astro/bejamas.rFjqlsuX_ZHd2XI.webpNo alt attribute provided
/_astro/seibert.DcbdgIId_Z1DR5wX.webpNo alt attribute provided
/_astro/exdst.DQNMXkMJ_1yET9U.webpNo alt attribute provided
/_astro/lucky-media.CosPN2Hl_Z5McGM.webpNo alt attribute provided
/_astro/58agents.CbpHyeuG_UIsj2.webpNo alt attribute provided

Page structure

H1 heading
(Critically important)
The web framework for content-driven websites
The H1 heading is perfect.
Headings
(Important)
Some headings occur twice on the page.
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
H1 The web framework for content-driven websites
H2 Astro is a JavaScript web framework optimized for building fast, content-driven websites.
H2 Server-First
H2 Content-Driven
H2 Customizable
H2 Astro Islands
H2 Zero Lock-in
H2 Snapback Cap
H2 Snapback Cap Duplicate text
H2 Snapback Cap Duplicate text
H2 Snapback Cap Duplicate text
H2 Snapback Cap Duplicate text
H2 Fully Featured
H2 Themes
H2 Get professional Astro support
H2 Start building with Astro today
H2 Astro is free, open-source software made possible by these wonderful sponsors
H2 Resources
H2 About
H2 Community
H2 Legal
H3 Content Collections
H3 Zero JavaScript, By Default
H3 View Transitions
H3 Middleware
H3 Actions
H3 Environment Variables
H3 Deployment Adapters
H3 UI Integrations
H3 Dev Toolbar
H3 Content Collections Duplicate text
H3 View Transitions Duplicate text
H3 UI Integrations Duplicate text
H3 Zero JavaScript, By Default Duplicate text
H3 Actions Duplicate text
H3 Environment Variables Duplicate text
H3 Deployment Adapters Duplicate text
H3 Dev Toolbar Duplicate text
Some internal link anchor texts are too long.
Some internal links have dynamic parameters. All internal URLs, which are not marked as nofollow, should not contain dynamic parameters.
Some anchor texts are used more than once.
The number of internal links is ok.
There are too many external links (56) on this page.

Found links on this page

LinkAttributesAnchor text
https://astro.build/Anchor Skip to content
https://astro.build/Astro Logo
A-TITLE Home
https://docs.astro.build/External Subdomain Documentation
https://astro.build/blog/Blog
https://astro.build/themes/Themes
https://astro.build/integrations/Integrations
https://astro.build/showcase/Site showcase
https://docs.astro.build/en/tu...External Subdomain Tutorials
https://astro.build/chat/Discord
https://opencollective.com/ast...External Sponsors
https://shop.astro.build/External Subdomain Merch
https://astro.build/agencies/Agencies New
https://astro.build/case-studies/Case studies
https://github.com/withastro/a...New window External Go to Astro's GitHub repo
https://astro.build/blog/Text duplicate Blog
https://astro.build/themes/Text duplicate Themes
https://astro.build/integrations/Text duplicate Integrations
https://astro.build/showcase/Text duplicate Site showcase
https://docs.astro.build/en/tu...External Subdomain Text duplicate Tutorials
https://astro.build/chat/Text duplicate Discord
https://opencollective.com/ast...External Text duplicate Sponsors
https://shop.astro.build/External Subdomain Text duplicate Merch
https://astro.build/agencies/Text duplicate Agencies New
https://astro.build/case-studies/Text duplicate Case studies
https://bsky.app/profile/astro...New window External Follow Astro on Bluesky
https://astro.build/chatNew window Join the Astro community on Discord
https://github.com/withastro/a...New window External Text duplicate Go to Astro's GitHub repo
https://m.webtoo.ls/@astroNew window External Subdomain Follow Astro on Mastodon
https://www.reddit.com/r/witha...New window External Subdomain Join the official Astro community on Reddit
https://x.com/astrodotbuildNew window External Follow Astro on x.com (formerly Twitter)
https://docs.astro.build/External Subdomain Read the docs
/blog/astro-570/Astro 5.7 Available now!
https://docs.astro.build/External Subdomain Get Started
https://lookerstudio.google.co...External Subdomain View the full dataset
https://httparchive.org/New window External HTTP Archive
https://developer.chrome.com/d...New window External Subdomain Chrome UX Report
https://docs.astro.build/en/gu...External Subdomain Anchor Integrate your favorite framework
https://docs.astro.build/en/gu...External Subdomain Content Collections Organize your Markdown and MDX with built-in TypeScript type-safety and frontmatter validation.
https://docs.astro.build/en/ba...External Subdomain 0 Zero JavaScript, By Default Astro only ships the JavaScript you need and automatically strips away the rest for a faster website.
https://docs.astro.build/en/gu...External Subdomain View Transitions Seamlessly morph, fade, and swipe across pages with built-in, browser-native View Transition APIs.
https://docs.astro.build/en/gu...External Subdomain Middleware Wrap incoming requests with custom logic like authentication, logging, or data fetching.
https://docs.astro.build/en/gu...External Subdomain Actions Write type-safe backend functions that you can call directly from your frontend JavaScript client code.
https://docs.astro.build/en/gu...External Subdomain Environment Variables Avoid common configuration mistakes with a built-in API to manage your environment variables.
/integrations/?search&categori...Deployment Adapters Add an integration to instantly customize your project for Vercel, AWS, or your favorite hosting platform.
https://docs.astro.build/en/gu...External Subdomain UI Integrations Bring your favorite UI frameworks and component libraries with Astro's flexible island architecture.
https://docs.astro.build/en/gu...External Subdomain Dev Toolbar Extend your development environment with apps and integrations for the built-in development toolbar.
https://docs.astro.build/en/gu...External Subdomain Text duplicate Content Collections Organize your Markdown and MDX with built-in TypeScript type-safety and frontmatter validation.
https://docs.astro.build/en/gu...External Subdomain Text duplicate View Transitions Seamlessly morph, fade, and swipe across pages with built-in, browser-native View Transition APIs.
https://docs.astro.build/en/gu...External Subdomain Text duplicate UI Integrations Bring your favorite UI frameworks and component libraries with Astro's flexible island architecture.
https://docs.astro.build/en/ba...External Subdomain Text duplicate 0 Zero JavaScript, By Default Astro only ships the JavaScript you need and automatically strips away the rest for a faster website.
https://docs.astro.build/en/re...External Subdomain Anchor Text duplicate Actions Write type-safe backend functions that you can call directly from your frontend JavaScript client code.
https://docs.astro.build/en/gu...External Subdomain Text duplicate Environment Variables Avoid common configuration mistakes with a built-in API to manage your environment variables.
/integrations/?search&categori...Text duplicate Deployment Adapters Add an integration to instantly customize your project for Vercel, AWS, or your favorite hosting platform.
https://docs.astro.build/en/gu...External Subdomain Text duplicate Dev Toolbar Extend your development environment with apps and integrations for the built-in development toolbar.
/themes/details/starlight/New window View Theme
IMG-ALT Starlight theme by Astro
/themes/details/astroship/New window Text duplicate View Theme
IMG-ALT AstroShip theme by Web3Templates
/themes/details/astrolus/New window Text duplicate View Theme
IMG-ALT Astrolus theme by Tailus-UI
/themes/details/prima-persona/New window Text duplicate View Theme
IMG-ALT Prima Persona theme by Lexington Themes
/themes/details/tailcast/New window Text duplicate View Theme
IMG-ALT Tailcast theme by matt765
https://astro.build/themesBrowse more themes
/themes/details/astro-shopify/New window Text duplicate View Theme
IMG-ALT Astro Shopify theme by thomasKn
/themes/details/quick-store/New window Text duplicate View Theme
IMG-ALT Quick Store theme by Lexington Themes
/themes/details/skncre-a-hygra...New window Text duplicate View Theme
IMG-ALT SKNCRE theme by Bryan Robinson
/themes/?search&categories[]=e...Browse more e-commerce themes
/themes/details/astronano/New window Text duplicate View Theme
IMG-ALT Astro Nano theme by Mark Horn
/themes/details/stablo-blog-te...New window Text duplicate View Theme
IMG-ALT Stablo theme by Web3Templates
/themes/details/microblog/New window Text duplicate View Theme
IMG-ALT Microblog theme by Lexington Themes
/themes/details/dante/New window Text duplicate View Theme
IMG-ALT Dante theme by Asta Bankauske
/themes/details/brutal/New window Text duplicate View Theme
IMG-ALT Brutal theme by ElianCodes
/themes/details/openblog/New window Text duplicate View Theme
IMG-ALT OpenBlog theme by danielcgilibert
/themes/?search&categories[]=blogBrowse more blog themes
/themes/details/starlight/New window Text duplicate View Theme
IMG-ALT Starlight theme by Astro
/themes/details/astro-design-s...New window Text duplicate View Theme
IMG-ALT Astro Design System theme by jordi
/themes/details/ion/New window Text duplicate View Theme
IMG-ALT Ion theme by Louis Escher
/themes/?search&categories[]=docsBrowse more documentation themes
/themes/details/astrofy-person...New window Text duplicate View Theme
IMG-ALT Astrofy theme by manuelernestog
/themes/details/swissfolio/New window Text duplicate View Theme
IMG-ALT Swissfolio theme by Lexington Themes
/themes/details/gurido/New window Text duplicate View Theme
IMG-ALT Gurido theme by Lexington Themes
/themes/details/shareyourlinks/New window Text duplicate View Theme
IMG-ALT ShareYourLinks theme by Angela Sofia Osorio
/themes/details/esquelete-cv/New window Text duplicate View Theme
IMG-ALT Esquelete CV theme by Martín
/themes/?search&categories[]=p...Browse more portfolio themes
/themes/details/sendit/New window Text duplicate View Theme
IMG-ALT Sendit theme by CloudCannon
/themes/details/stone/New window Text duplicate View Theme
IMG-ALT Stone theme by m6v3l9
/themes/details/positivus/New window Text duplicate View Theme
IMG-ALT Positivus theme by Manul Thanura
/themes/details/atom/New window Text duplicate View Theme
IMG-ALT Atom theme by Méschac Irung
/themes/details/astroplate/New window Text duplicate View Theme
IMG-ALT Astroplate theme by Zeon Studio
https://astro.build/themesText duplicate Browse more themes
https://astro.build/agencies/Explore partner agencies
/agencies/bejamas/Bejamas
/agencies/seibert/Seibert Group GmbH
/agencies/exdst/EXDST
/agencies/lucky-media/Lucky Media
/agencies/58agents/58agents GmbH
https://docs.astro.build/External Subdomain Text duplicate Get Started
https://www.netlify.com/?utm_c...New window External Subdomain Netlify Official Deployment Partner
https://sentry.io/welcome/?utm...New window External Sentry Official App Monitoring Partner
https://idx.dev/?utm_source=as...New window External Google IDX Official Online Editor Partner
https://arcjet.com/?ref=astro....New window External ArcJet
https://handsontable.com/New window External HandsOnTable
https://manifest.build/New window External Manifest - A complete backend in 1 YAML file
https://www.luckymedia.dev/ast...New window External Subdomain Text duplicate Lucky Media
https://www.datadoghq.com/New window External Subdomain Datadog
https://opencollective.com/ast...New window External Sponsor Astro
https://docs.astro.build/en/ge...External Subdomain Docs
https://astro.build/themes/Text duplicate Themes
https://astro.build/integrations/Text duplicate Integrations
https://astro.build/showcase/Text duplicate Site showcase
https://astro.new/External Starter templates
https://astro.build/blog/Text duplicate Blog
https://astro.build/case-studies/Text duplicate Case studies
https://astro.build/partnerships/Partner with us
https://astro.build/press/Press
https://astro.build/agencies/Agencies
https://github.com/withastro/a...External Contributing
https://opencollective.com/ast...External Text duplicate Sponsors
https://astro.build/wallpapers/Wallpapers
https://shop.astro.build/External Subdomain Swag Shop
https://astro.build/telemetry/Telemetry
https://astro.build/privacy/Privacy Policy
https://astro.build/terms/Terms of Service
https://github.com/withastro/a...New window External MIT License © 2025
https://github.com/withastro/a...New window External Astro Contributors
https://bsky.app/profile/astro...New window External Text duplicate Follow Astro on Bluesky
https://astro.build/chatNew window Text duplicate Join the Astro community on Discord
https://github.com/withastro/a...New window External Text duplicate Go to Astro's GitHub repo
https://m.webtoo.ls/@astroNew window External Subdomain Text duplicate Follow Astro on Mastodon
https://www.reddit.com/r/witha...New window External Subdomain Text duplicate Join the official Astro community on Reddit
https://x.com/astrodotbuildNew window External Text duplicate Follow Astro on x.com (formerly Twitter)

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://astro.build/"
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 0.06 seconds.
The file size of the HTML document is fine (281 kB).

HTTP Response Header

NameValue
accept-rangesbytes
age38132
cache-controlpublic,max-age=0,must-revalidate
cache-status"Netlify Edge"; hit
content-encodingbr
content-typetext/html; charset=UTF-8
dateThu, 22 May 2025 07:34:24 GMT
etag"c89f14ecaed88a0b0b6d3b17d44ab9da-ssl-df"
serverNetlify
strict-transport-securitymax-age=31536000
varyAccept-Encoding
x-nf-request-id01JVVEMBQX012EA928GVJK8Q72
content-length48021
statuscode200
http_versionHTTP/2

External factors

This website has excellent links from other websites.
This page has backlinks from 10,455 referring domains.
This page has 366,633 backlinks.
This page has backlinks from 5,033 different ip addresses.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

# I, for one, welcome our new robotic overlords

User-agent: *
Allow: /

Sitemap: https://astro.build/sitemap-index.xml

Similar sites

Search preview

astro.build
Astro
Astro builds fast content sites, powerful web applications, dynamic server APIs, and everything in-between.

Most important keywords

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

KeywordResultRecheck
Astro86%Check
web70%Check
content68%Check
sites68%Check
build68%Check
Astro community64%Check
Web Framework62%Check
Follow Astro62%Check
Extend Astro62%Check
Astro Partner62%Check
Show more keywords and terms

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