Parceljs.org - SEO Checker

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Overview of the SEO Check
Meta information
77% 
Page quality
86% 
Page structure
37% 
Link structure
86% 
Server
100% 
External factors
100% 
SEO Score
Response time
0.05 s
File size
145.70 kB
Words
2430
Media files
1
Number of links
41 internal / 14 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Parcel
The page title is too short. (56 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)
The zero configuration build tool for the web.
The length of the meta description is perfect. (274 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)
No favicon is linked in the HTML code.

Meta tags

NameValue
viewportwidth=device-width, initial-scale=1.0, viewport-fit=cover
descriptionThe zero configuration build tool for the web.
langen
twitter:cardsummary_large_image
twitter:imagehttps://parceljs.org/assets/home-og.png
twitter:site@parceljs
twitter:creator@parceljs
og:typewebsite
og:localeen_US
og:urlhttps://parceljs.org
og:titleParcel – The zero configuration build tool for the web.
og:descriptionParcel combines a great out-of-the-box development experience with a scalable architecture that can take your project from just getting started to massive production application.
og:imagehttps://parceljs.org/assets/home-og.png

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Page quality

Content
(Critically important)
This page contains 2430 words. That's ok.
30.4% of the text are stop words.
The page contains a listing, which indicates a good text layout.
49 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 14.19 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=1.0, viewport-fit=cover" is provided.
Bold and strong tags
(Somewhat important)
Some tags are too long. With 144 characters this one is longer than 70 characters:
"parcel is designed around a multi-core architecture that parallelizes work across all of your cores an..."
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

URLAlt attributeTitle
https://parceljs.org/avatar.0b65227e.pngParcel logo

Page structure

H1 heading
(Critically important)
Parcel
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)
Some headings occur twice on the page.
There are 41 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 Parcel
H2 The zero configuration build tool for the web. JavaScript. CSS. HTML. TypeScript. React. images. SASS. SVG. Vue. libraries. Less. CoffeeScript. Node. Stylus. Pug. Electron. Elm. WebGL. extensions. ...
H3 A build tool for the rest of us.
H3 It's lightning fast.
H3 Automatic production optimization.
H3 Ship for any target.
H3 Scalable from small websites to massive applications.
H3 Powered by open source.
H3 Getting Started
H3 Features
H3 Plugin system
H3 Links
H4 Zero config
H4 Dev server
H4 Hot reloading
H4 Diagnostics
H4 Native performance
H4 Multi-core
H4 Reliable caching
H4 Lazy dev builds
H4 Tree shaking
H4 Minification
H4 Image optimization
H4 Compression
H4 Code splitting
H4 Content hashing
H4 Transpilation
H4 Differential bundling
H4 Workers
H4 Libraries
H4 Simple configuration?!
H4 Powerful plugins
H4 Named pipelines
H4 Designed for performance
H4 API
H4 Diagnostics Duplicate text
H4 🥇 Gold sponsors
H4 🥈 Silver sponsors
H4 🥉 Bronze sponsors
H4 💵 Backers
H4 😍 Contributors
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 14 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://parceljs.org/docs/Get started
https://github.com/parcel-bund...New window External GitHub
https://parceljs.org/docs/Docs
https://parceljs.org/blog/Blog
https://repl.parceljs.org/External Subdomain REPL
/getting-started/webapp/Get started →
/features/development/Learn more →
/features/development/Text duplicate Learn more →
https://swc.rs/New window External SWC
/features/development/Text duplicate Learn more →
/features/scope-hoisting/Text duplicate Learn more →
/features/production/Text duplicate Learn more →
/recipes/image/Text duplicate Learn more →
/features/production/Text duplicate Learn more →
/features/code-splitting/Text duplicate Learn more →
/features/production/Text duplicate Learn more →
/languages/javascript/Text duplicate Learn more →
/features/targets/Text duplicate Learn more →
/languages/javascript/Text duplicate Learn more →
/getting-started/library/Text duplicate Learn more →
/features/plugins/Text duplicate Learn more →
/plugin-system/authoring-plugins/Text duplicate Learn more →
/features/plugins/Text duplicate Learn more →
/plugin-system/authoring-plugins/Text duplicate Learn more →
/features/parcel-api/Text duplicate Learn more →
/plugin-system/logging/Text duplicate Learn more →
https://opencollective.com/parcelNew window External Anchor Become a sponsor →
https://opencollective.com/parcelNew window External Anchor Text duplicate Become a sponsor →
https://opencollective.com/parcelNew window External Anchor Text duplicate Become a sponsor →
https://opencollective.com/parcelNew window External Anchor Become a backer →
https://github.com/parcel-bund...New window External Become a contributor →
/getting-started/webapp/🌐 Web app
/getting-started/library/📔 Library
/getting-started/migration/🚚 Migration
/features/development/🧑‍💻 Development
/features/code-splitting/✂️ Code Splitting
/features/dependency-resolution/📔 Dependency resolution
/features/bundle-inlining/🪆 Bundle inlining
/features/targets/🎯 Targets
/features/production/🚀 Production
/features/scope-hoisting/🌳 Scope Hoisting
/features/node-emulation/🐢 Node Emulation
/features/cli/⌨️ CLI
/features/parcel-api/📚 Parcel API
/features/plugins/Using Plugins
/plugin-system/overview/Plugin System
/plugin-system/authoring-plugins/Authoring Plugins
/plugin-system/logging/Diagnostics
/plugin-system/source-maps/Source Maps
https://github.com/parcel-bund...New window External Text duplicate GitHub
https://www.npmjs.com/package/...New window External Subdomain npm
https://twitter.com/parceljsNew window External Twitter
https://discord.gg/XSCzqGRuvrNew window External Discord
https://cottonbureau.com/produ...New window External Swag store
https://github.com/parcel-bund...New window External open source

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://parceljs.org/"
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 0.05 seconds.
The file size of the HTML document is fine (146 kB).

HTTP Response Header

NameValue
accept-rangesbytes
access-control-allow-origin*
age127890
cache-controlpublic, max-age=0, must-revalidate
content-dispositioninline
content-encodingbr
content-typetext/html; charset=utf-8
dateWed, 30 Jul 2025 08:13:47 GMT
etag"190621b3a7ec2650197313d1d7cfe078"
last-modifiedMon, 28 Jul 2025 20:42:17 GMT
serverVercel
strict-transport-securitymax-age=63072000
x-vercel-cacheHIT
x-vercel-idfra1::mdwpl-1753863227779-6cf16160aed3
content-length31900
statuscode200
http_versionHTTP/2

External factors

This website has excellent links from other websites.
This page has backlinks from 2,274 referring domains.
This page has 300,074 backlinks.
This page has backlinks from 1,390 different ip addresses.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

No valid Robots.txt file was found.

Similar sites

Search preview

parceljs.org
Parcel
The zero configuration build tool for the web.

Most important keywords

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

KeywordResultRecheck
Parcel82%Check
parcel build72%Check
parcel plugin64%Check
parcel core62%Check
Parcel automatically60%Check
Parcel supports60%Check
Parcel takes60%Check
build59%Check
web59%Check
Parcel includes58%Check
Show more keywords and terms

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