Turfjs.org - SEO Checker

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Overview of the SEO Check
Meta information
92% 
Page quality
48% 
Page structure
71% 
Link structure
97% 
Server
100% 
External factors
100% 
SEO Score
Response time
0.19 s
File size
73.30 kB
Words
82
Media files
2
Number of links
16 internal / 4 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Advanced geospatial toolkit for Typescript | Turf.js
The length of the page title is perfect. (444 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
Turf provides advanced geospatial analysis capabilities for browsers and Node.js
The length of the meta description is perfect. (496 pixels out of 1000 max pixel length)
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://turfjs.org/
The specified canonical link points to a different page.
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)
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)
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
generatorDocusaurus v3.5.2
viewportwidth=device-width,initial-scale=1
docusaurus_localeen
docusaurus_tagdefault
docsearch:languageen
docsearch:docusaurus_tagdefault
descriptionTurf provides advanced geospatial analysis capabilities for browsers and Node.js
langen
twitter:cardsummary_large_image
twitter:imagehttps://turfjs.org/img/turfjs-social.jpg
og:imagehttps://turfjs.org/img/turfjs-social.jpg
og:urlhttps://turfjs.org/
og:localeen
og:titleAdvanced geospatial toolkit for Typescript | Turf.js
og:descriptionTurf provides advanced geospatial analysis capabilities for browsers and Node.js
charsetUTF-8

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Page quality

Content
(Critically important)
There are only 82 words on this page. Use at least 250 words to provide useful information.
Some words from the page title are not used within the pages content
No paragraphs were detected.
31.7% of the text are stop words.
The page contains a listing, which indicates a good text layout.
No placeholders texts or images were found.
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.
This page only loads 3 JavaScript files. That's good!
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 6 tags for this page.
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)
The HTTPS protocol for secure data transmission is not used.

Media list

URLAlt attributeTitle
http://turfjs.org/img/logo.svgTurf.js Logo
http://turfjs.org/img/logo.svgTurf.js Logo

Page structure

H1 heading
(Critically important)
Turf.js
The H1 heading is too short (7 characters). It should be at least 20 Characters long.
Headings
(Important)
The structure of headings is missing one or more levels. Do not skip heading levels.

Heading structure

Heading levelContent
H1 Turf.js
H3 Simple
H3 Modular
H3 Fast
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 4 external links on this page.

Found links on this page

LinkAttributesAnchor text
http://turfjs.org/Anchor Skip to main content
http://turfjs.org/Turf.js
IMG-ALT Turf.js Logo
http://turfjs.org/docs/introDocs
http://turfjs.org/docs/api/alongAPI
http://turfjs.org/blogBlog
http://turfjs.org/docs/intro7.2.0
http://turfjs.org/docs/next/introNext
http://turfjs.org/docs/introText duplicate 7.2.0
/docs/7.1.0/intro7.1.0
/docs/7.0.0/intro7.0.0
/docs/6.5.0/intro6.5.0
http://turfjs.org/versionsAll versions
https://github.com/Turfjs/turfNew window External GitHub
http://turfjs.org/docs/introIntroduction
/docs/getting-startedGetting Started
http://turfjs.org/docs/api/alongText duplicate API
https://stackoverflow.com/ques...New window External Stack Overflow
https://twitter.com/turfjsNew window External Twitter
http://turfjs.org/blogText duplicate Blog
https://github.com/Turfjs/turfNew window External Text duplicate GitHub

Server configuration

HTTP redirects
(Critically important)
The checked page does not redirect to another URL.
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 0.19 seconds.
This page only loads 2 CSS files. That's ok.
This page only loads 3 JavaScript files. That's good!
The file size of the HTML document is fine (73 kB).

HTTP Response Header

NameValue
dateWed, 30 Jul 2025 18:10:13 GMT
content-typetext/html; charset=utf-8
transfer-encodingchunked
connectionkeep-alive
last-modifiedSun, 11 May 2025 12:03:07 GMT
access-control-allow-origin*
expiresWed, 30 Jul 2025 18:20:13 GMT
cache-controlmax-age=600
x-proxy-cacheMISS
x-github-request-id90A8:32A543:89D54D:8AD41E:688A6005
age0
via1.1 varnish
x-served-bycache-par-lfpb1150051-PAR
x-cacheMISS
x-cache-hits0
x-timerS1753899013.162845,VS0,VE114
varyAccept-Encoding
x-fastly-request-id47e08c2eac7bc813558d7e3baa022e7a655ca585
cf-cache-statusDYNAMIC
report-to{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=jP4slKeZeMv7lzz%2B%2FWvXVrl1kPm%2BEjgtXOZjXjGasOF6JHzXLZJJ6kfYcyNgSaLLJWrMaZZtcGM1TpSsKrG0pKHT%2FzoCZZi4HknNzuAv8ZIsBHky2qEYHL5gM3Po"}],"group":"cf-nel","max_age":604800}
nel{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
servercloudflare
cf-ray9676cfc02eced11d-CDG
content-encodingzstd
alt-svch3=":443"; ma=86400
server-timingcfL4;desc="?proto=TCP&rtt=13836&min_rtt=13836&rtt_var=6918&sent=1&recv=3&lost=0&retrans=0&sent_bytes=0&recv_bytes=374&delivery_rate=0&cwnd=250&unsent_bytes=0&cid=0000000000000000&ts=0&x=0"
statuscode200
http_versionHTTP/1.1

External factors

This website has excellent links from other websites.
This page has backlinks from 321 referring domains.
This page has 1,421 backlinks.
This page has backlinks from 252 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

turfjs.org
Advanced geospatial toolkit for Typescript | Turf.js
Turf provides advanced geospatial analysis capabilities for browsers and Node.js

Most important keywords

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

KeywordResultRecheck
Turf90%Check
Advanced58%Check
geospatial58%Check
Advanced geospatial58%Check
Advanced geospatial analysis54%Check
analysis46%Check
browsers46%Check
Node46%Check
org46%Check
Advanced geospatial toolkit42%Check
Show more keywords and terms

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