Haven.tidyverse.org - SEO Checker

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Overview of the SEO Check
Meta information
98% 
Page quality
54% 
Page structure
52% 
Link structure
88% 
Server
100% 
External factors
100% 
SEO Score
Response time
0.33 s
File size
16.40 kB
Words
356
Media files
3
Number of links
38 internal / 33 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Import and Export SPSS, Stata and SAS Files • haven
The length of the page title is perfect. (486 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
Import foreign statistical formats into R via the embedded ReadStat C library, .
The length of the meta description is perfect. (480 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)
This page is hosted on a subdomain. Use a top level domain for better SEO results.
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, shrink-to-fit=no
descriptionImport foreign statistical formats into R via the embedded ReadStat C library, <https://github.com/WizardMac/ReadStat>.
langen
og:titleImport and Export SPSS, Stata and SAS Files
og:descriptionImport foreign statistical formats into R via the embedded ReadStat C library, <https://github.com/WizardMac/ReadStat>.
og:imagehttps://haven.tidyverse.org/logo.png
Content-Typetext/html; charset=UTF-8
X-UA-CompatibleIE=edge
charsetutf-8

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Page quality

Content
(Critically important)
Some words from the page title are not used within the pages content
There are only 356 words on this page. Good pages should have about 800 words of useful content.
22.8% of the text are stop words.
The page contains a listing, which indicates a good text layout.
4 paragraphs were found on this page.
No placeholders texts or images were found.
There are no duplicates on the site.
The average number of words per sentence of 14 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
Multiple viewport tags are given. There should only be one.
A viewport "width=device-width, initial-scale=1, shrink-to-fit=no" is provided.
At least one Apple touch icon is specified.
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 7 tags for this page.
Image SEO
(Somewhat important)
1 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://haven.tidyverse.org/logo.pngNo alt attribute provided
https://www.tidyverse.org/posit-logo.svgPosit
https://www.tidyverse.org/posit-logo.svgPosit

Page structure

H1 heading
(Critically important)
haven
The H1 heading consists of only one word. There should be more information given.
The H1 heading is too short (5 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 haven
H2 Overview
H2 Installation
H2 Usage
H2 Related work
H2 Code of Conduct
H2 Links
H2 License
H2 Community
H2 Citation
H2 Developers
H6 Releases
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 (33) on this page.

Found links on this page

LinkAttributesAnchor text
https://haven.tidyverse.org/Anchor Skip to content
/index.htmlhaven
/reference/index.htmlReference
/articles/datetimes.htmlDates and times
/articles/semantics.htmlConversion semantics
https://www.tidyverse.org/blog...External Subdomain Version 2.5.0
https://www.tidyverse.org/blog...External Subdomain Version 2.4.0
https://www.tidyverse.org/blog...External Subdomain Version 2.3.0
https://www.tidyverse.org/arti...External Subdomain Version 2.2.0
https://www.tidyverse.org/arti...External Subdomain Version 2.1.0
https://www.tidyverse.org/arti...External Subdomain Version 2.0.0
https://www.tidyverse.org/arti...External Subdomain Version 1.1.2
https://blog.rstudio.com/2016/...External Subdomain Version 1.0.0
https://blog.rstudio.org/2015/...External Subdomain Version 0.1.0
/news/index.htmlChangelog
https://github.com/tidyverse/h...External No Text
https://haven.tidyverse.org/Anchor No Text
https://haven.tidyverse.org/Anchor No Text
https://github.com/WizardMac/R...External ReadStat
https://www.evanmiller.org/External Subdomain Evan Miller
https://www.tidyverse.org/External Subdomain tidyverse
/reference/read_sas.htmlread_sas()
/reference/read_xpt.htmlread_xpt()
/reference/read_xpt.htmlwrite_xpt()
/reference/read_spss.htmlread_sav()
/reference/read_spss.htmlread_por()
/reference/read_spss.htmlwrite_sav()
/reference/read_dta.htmlread_dta()
/reference/read_dta.htmlwrite_dta()
https://github.com/tidyverse/t...External tibbles
/reference/labelled.htmllabelled()
/reference/as_factor.htmlas_factor()
/articles/semantics.htmlvignette("semantics")
https://haven.tidyverse.org/Anchor No Text
https://rdrr.io/r/utils/instal...External install.packages
https://rdrr.io/r/utils/instal...External Text duplicate install.packages
https://haven.tidyverse.org/Anchor No Text
https://rdrr.io/r/base/library...External library
https://haven.tidyverse.org/Subdomain Text duplicate haven
/reference/read_sas.htmlread_sas
/reference/read_xpt.htmlwrite_xpt
/reference/read_spss.htmlread_sav
/reference/read_spss.htmlwrite_sav
/reference/read_dta.htmlread_dta
/reference/read_dta.htmlwrite_dta
https://haven.tidyverse.org/Anchor No Text
https://cran.r-project.org/pac...External Subdomain foreign
https://cran.r-project.org/pac...External Subdomain readstat13
https://cran.r-project.org/pac...External Subdomain sas7bdat
https://haven.tidyverse.org/Anchor No Text
/CODE_OF_CONDUCT.htmlSubdomain Contributor Code of Conduct
https://cloud.r-project.org/pa...External Subdomain View on CRAN
https://github.com/tidyverse/h...External Browse source code
https://github.com/tidyverse/h...External Report a bug
/LICENSE.htmlFull license
https://opensource.org/license...External MIT
/LICENSE-text.htmlLICENSE
/CONTRIBUTING.htmlContributing guide
/CODE_OF_CONDUCT.htmlCode of conduct
/SUPPORT.htmlGetting help
/authors.htmlCiting haven
http://hadley.nz/External Hadley Wickham
http://www.evanmiller.org/External Subdomain Text duplicate Evan Miller
https://www.gorcha.org/External Subdomain Danny Smith
https://www.posit.co/External Subdomain IMG-ALT Posit
/authors.htmlMore about authors...
http://hadley.nz/External Text duplicate Hadley Wickham
http://www.evanmiller.org/External Subdomain Text duplicate Evan Miller
https://www.gorcha.org/External Subdomain Text duplicate Danny Smith
https://www.posit.co/External Subdomain Text duplicate IMG-ALT Posit
https://pkgdown.r-lib.org/External Subdomain pkgdown

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://haven.tidyverse.org/"
HTTP header
(Important)
No X-Powered HTTP header is sent.
This page uses GZip for compressed data transmission.
Performance
(Somewhat important)
The page response time is excellent with 0.33 seconds.
The file size of the HTML document is fine (16 kB).

HTTP Response Header

NameValue
serverGitHub.com
content-typetext/html; charset=utf-8
last-modifiedThu, 30 Nov 2023 18:11:26 GMT
access-control-allow-origin*
etagW/"6568d04e-4169"
expiresSat, 21 Sep 2024 10:31:22 GMT
cache-controlmax-age=600
content-encodinggzip
x-proxy-cacheMISS
x-github-request-idC9A5:0DE9:8141EF7:83CB2A5:66EE9E22
accept-rangesbytes
age0
dateSat, 21 Sep 2024 10:21:22 GMT
via1.1 varnish
x-served-bycache-fra-eddf8230035-FRA
x-cacheMISS
x-cache-hits0
x-timerS1726914082.100914,VS0,VE105
varyAccept-Encoding
x-fastly-request-idfb27818edadedcfbf4519cd22a2b020e4f635600
content-length4611
statuscode200
http_versionHTTP/2

External factors

This website has excellent links from other websites.
This page has backlinks from 231 referring domains.
This page has 1,113 backlinks.
This page has backlinks from 175 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

haven.tidyverse.org
Import and Export SPSS, Stata and SAS Files • haven
Import foreign statistical formats into R via the embedded ReadStat C library, .

Most important keywords

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

KeywordResultRecheck
haven72%Check
SAS Files haven54%Check
SAS51%Check
Stata51%Check
SPSS51%Check
tidyverse48%Check
reads SAS48%Check
reads46%Check
library46%Check
formats46%Check
Show more keywords and terms

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