Effect.website - SEO Checker

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Overview of the SEO Check
Meta information
100% 
Page quality
48% 
Page structure
67% 
Link structure
92% 
Server
91% 
External factors
100% 
SEO Score
Response time
0.10 s
File size
292.80 kB
Words
1466
Media files
50
Number of links
19 internal / 15 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Effect – The best way to build robust apps in TypeScript
The length of the page title is perfect. (497 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
Effect is a powerful TypeScript library designed to help developers easily create complex, synchronous, and asynchronous programs.
The length of the meta description is perfect. (818 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, initial-scale=1
descriptionEffect is a powerful TypeScript library designed to help developers easily create complex, synchronous, and asynchronous programs.
next-size-adjustEmpty
langen
twitter:cardsummary_large_image
twitter:titleEffect – The best way to build robust apps in TypeScript
twitter:descriptionEffect is a powerful TypeScript library designed to help developers easily create complex, synchronous, and asynchronous programs.
twitter:image:typeimage/jpeg
twitter:image:width2400
twitter:image:height1260
twitter:imagehttps://website-landing-seven.vercel.app/opengraph-image.jpg?6fada1acf1f76e7e
og:titleEffect – The best way to build robust apps in TypeScript
og:descriptionEffect is a powerful TypeScript library designed to help developers easily create complex, synchronous, and asynchronous programs.
og:image:typeimage/jpeg
og:image:width2400
og:image:height1260
og:imagehttps://website-landing-seven.vercel.app/opengraph-image.jpg?6fada1acf1f76e7e
charsetutf-8

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Page quality

Content
(Critically important)
Some words from the page title are not used within the pages content
Words from the H1 heading are not used in the page content.
There are 12 text duplicates on this page:
  • Duplicate 1: Effect is the 🐐 of TypeScript - Rust style error handling - Retries, C...
  • Duplicate 2: Effect is so, so good. Error handling in TypeScript has always felt so...
  • Duplicate 3: I LOVE Effect, been using it for a month now and it took a minute to f...
  • Duplicate 4: Delightfully, Effect is one of those rare tools that lift you up & edu...
This page contains 1466 words. That's ok.
34.8% of the text are stop words.
The page contains a listing, which indicates a good text layout.
31 paragraphs were found on this page.
No placeholders texts or images were found.
The average number of words per sentence of 14.89 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" is provided.
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 29 tags for this page.
Image SEO
(Somewhat important)
2 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
...=/images/video-thumbnail.jpg&w=3840&q=75Effect: Next-Generation TypeScript
...=/images/video-thumbnail.jpg&w=3840&q=75Effect: Next-Generation TypeScript
...ge?url=/images/logos/node.png&w=256&q=75Node.js
...ge?url=/images/logos/deno.png&w=256&q=75Deno
...age?url=/images/logos/bun.png&w=256&q=75Bun
.../logos/cloudflare-workers.png&w=256&q=75Cloudflare workers
...?url=/images/logos/chrome.png&w=256&q=75Chrome
...e?url=/images/logos/react.png&w=256&q=75React
...e?url=/images/logos/solid.png&w=256&q=75Solid.js
...ge?url=/images/logos/vite.png&w=256&q=75Vite
...ge?url=/images/logos/next.png&w=256&q=75Next.js
...e?url=/images/logos/tauri.png&w=256&q=75Tauri
...ages/screenshots/tracing.png&w=2048&q=75No alt attribute provided
...ages/screenshots/metrics.png&w=2048&q=75No alt attribute provided
...3956608/FBJWYoXx_400x400.jpg&w=3840&q=75Tobias Lins
...ercontent.com/u/39350030?v=4&w=3840&q=75Devin Jameson
...5260416/rzBglApR_400x400.jpg&w=3840&q=75David Peter
...sercontent.com/u/1172528?v=4&w=3840&q=75Sebastian Lorenz
...3956608/FBJWYoXx_400x400.jpg&w=3840&q=75Tobias Lins
...ercontent.com/u/39350030?v=4&w=3840&q=75Devin Jameson
...5260416/rzBglApR_400x400.jpg&w=3840&q=75David Peter
...sercontent.com/u/1172528?v=4&w=3840&q=75Sebastian Lorenz
...3956608/FBJWYoXx_400x400.jpg&w=3840&q=75Tobias Lins
...ercontent.com/u/39350030?v=4&w=3840&q=75Devin Jameson
...5260416/rzBglApR_400x400.jpg&w=3840&q=75David Peter
...sercontent.com/u/1172528?v=4&w=3840&q=75Sebastian Lorenz
...WwxKJzDufcLUr-8lfZpBLToTZfOg&w=3840&q=75Community member
...AmOxKQ17MHUHxs0JCZgRcn-pQHiQ&w=3840&q=75Community member
...5z8nTApyu7LbZq4-Vh1ksw0cp7HQ&w=3840&q=75Community member
...uwUa-0dryZMZ6N-7BpS15nsmmDMg&w=3840&q=75Community member
...6Gypm2VClVVVhFfaHgTmqBOalh-Q&w=3840&q=75Community member
...mXCfWhcwWUM4zwnGvnZ3T0Fgq0_g&w=3840&q=75Community member
...PHH7ytfmmhKHN13xOwFwbYhJHKyQ&w=3840&q=75Community member
...2vCkzQZTzpEXxnm8cyymDG1__xAM&w=3840&q=75Community member
...QNUeY9Py3hoFaVwUjZLiYibsnKMQ&w=3840&q=75Community member
...KcEP3c0vbN8lp4L4b7AFABpXQKYA&w=3840&q=75Community member
...mXCfWhcwWUM4zwnGvnZ3T0Fgq0_g&w=3840&q=75Community member
...PHH7ytfmmhKHN13xOwFwbYhJHKyQ&w=3840&q=75Community member
...2vCkzQZTzpEXxnm8cyymDG1__xAM&w=3840&q=75Community member
...QNUeY9Py3hoFaVwUjZLiYibsnKMQ&w=3840&q=75Community member
...KcEP3c0vbN8lp4L4b7AFABpXQKYA&w=3840&q=75Community member
...3-f3ShKvdgh27B_KaJh7wAqtUsAQ&w=3840&q=75Community member
...01XWKOxTFM2cCpAowB97N3Qsn2vw&w=3840&q=75Community member
...zELhM8G8_rfQ2sMsYYZgHS6ZCKjQ&w=3840&q=75Community member
...XMX7ykzlVcGXMUTmbjY4Ulg9Mw0A&w=3840&q=75Community member
...l1JKLyaqflnc1yNBm2svT8onHvyA&w=3840&q=75Community member
Video URLWidthHeight
/videos/composable.mp4
/videos/composable.mp4
/videos/typeSafety.mp4
https://effect.website/videos/refactor.mp4

Page structure

H1 heading
(Critically important)
The best way to ship fastership fasterin TypeScript
The H1 heading is perfect.
Headings
(Important)
Some headings occur twice on the page.
There are 37 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 best way to ship fastership fasterin TypeScript
H2 Production-grade TypeScript
H2 The missing standard library for TypeScript
H2 Let's see some example code
H2 Effect gives you new Superpowers
H2 What Effect users are saying
H2 Okay, so what's the catch?
H2 Frequently asked questions
H2 Join our welcoming community
H2 Start to ship faster in TypeScript
H3 Without Effect
H3 With Effect
H3 Most desired JS features
H3 Powerful building blocks
H3 No more one-off dependencies
H3 Never try & catch again
H3 Basics
H3 Ecosystem
H3 Composable & Reusable
H3 Maximum Type-Safety
H3 Built-In Tracing
H3 Built-In Metrics
H3 Easy to refactor
H3 Learning curve
H3 Different programming style
H3 Extensive API surface
H3 Can I incrementally adopt Effect?
H3 Does Effect scale?
H3 Do I have to know functional programming?
H3 The library is huge, do I have to know it all?
H3 What's the minimum bundle size?
H3 Any more questions?
H3 Community
H3 Other
H3 Legal
H4 Without Effect Duplicate text
H4 With Effect 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 15 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://effect.website/No Text
https://effect.website/docsDocs
https://effect.website/blogBlog
https://effect.website/podcastPodcast
https://effect.website/playPlay
https://github.com/Effect-TSExternal GitHub
https://discord.gg/effect-tsExternal Discord
/docs/quickstartGet Started
https://2022.stateofjs.com/en-...New window External Subdomain Anchor See 2022 State of JavaScript survey
https://2022.stateofjs.com/en-...New window External Subdomain Anchor 2022 State of JavaScript survey
/docs/getting-started/introduc...Text duplicate Docs
/docs/data-types/causeText duplicate Docs
/docs/observability/tracingText duplicate Docs
/docs/getting-started/building...Text duplicate Docs
/docs/code-style/pattern-matchingText duplicate Docs
https://effect.website/docsRead documentation
https://effect.website/docsText duplicate Read documentation
https://effect.website/docsText duplicate Read documentation
https://discord.gg/effect-tsNew window External Join our Discord
https://github.com/Effect-TS/e...External See all contributors
https://discord.gg/effect-tsNew window External Join Discord
https://github.com/Effect-TS/e...External Text duplicate See all contributors
https://discord.gg/effect-tsNew window External Text duplicate Join Discord
/docs/quickstartText duplicate Get Started
https://github.com/Effect-TSExternal Text duplicate GitHub
https://discord.gg/effect-tsExternal Text duplicate Discord
https://twitter.com/EffectTS_External Twitter
/docs/getting-started/introduc...Text duplicate Docs
https://effect.website/blogText duplicate Blog
/docs/additional-resources/api...API
https://effect.website/merchNew window Merch
https://www.effectful.co/New window External Subdomain Effectful
https://www.effectful.co/terms...New window External Subdomain Terms & Conditions
https://www.effectful.co/priva...New window External Subdomain Privacy Policy

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://effect.website/"
HTTP header
(Important)
The X-powered header is sent within the response header. (unnecessary)
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 (293 kB).

HTTP Response Header

NameValue
age1445
cache-controlpublic, max-age=0, must-revalidate
content-encodingbr
content-typetext/html; charset=utf-8
dateThu, 10 Jul 2025 21:27:49 GMT
etagW/"rw7nvb4bg16f4g"
serverVercel
strict-transport-securitymax-age=63072000; includeSubDomains; preload
varyRSC, Next-Router-State-Tree, Next-Router-Prefetch
x-matched-path/
x-powered-byNext.js
x-vercel-cacheHIT
x-vercel-idfra1:fra1:fra1::iad1::kll9k-1752184314715-4284a2a63d53
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 222 referring domains.
This page has 604 backlinks.
This page has backlinks from 163 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

effect.website
Effect – The best way to build robust apps in TypeScript
Effect is a powerful TypeScript library designed to help developers easily create complex, synchronous, and asynchronous programs.

Most important keywords

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

KeywordResultRecheck
Effect79%Check
TypeScript78%Check
way62%Check
best62%Check
Best Way62%Check
Effect ecosystem60%Check
Effect makes58%Check
Effect integrates58%Check
library54%Check
ship54%Check
Show more keywords and terms

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