Romainfrancois.blog.free.fr - SEO Checker

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Overview of the SEO Check
Meta information
95% 
Page quality
61% 
Page structure
91% 
Link structure
0% 
Server
40% 
External factors
75% 
SEO Score
Response time
2.78 s
File size
59.00 kB
Words
2098
Media files
24
Number of links
191 internal / 67 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Romain Francois, Professional R Enthusiast
The length of the page title is perfect. (393 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
Independant statistical/R consultant
The length of the meta description is perfect. (218 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.
Favicon
(Nice to have)
No favicon is linked in the HTML code.

Meta tags

NameValue
MSSmartTagsPreventParsingTRUE
ROBOTSINDEX, FOLLOW
descriptionIndependant statistical/R consultant
copyrightEmpty
authorRomain Francois
date2013-03-24T15:53:22+01:00
dc.titleRomain Francois, Professional R Enthusiast
dc.descriptionIndependant statistical/R consultant
dc.languageen
dc.publisherRomain Francois
dc.rightsEmpty
dc.date2013-03-24T15:53:22+01:00
dc.typetext
dc.formattext/html
langen
Content-Typetext/html; charset=UTF-8

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Page quality

Content
(Critically important)
Words from the H1 heading are not used in the page content.
These Typos were found:
  • developped => developed
  • independant => independent
The average number of words per sentence of 26.42 words is high.
This page contains 2098 words. That's ok.
34.6% of the text are stop words.
Keywords used in the page title are also used in the page content. That's good!
The page contains a listing, which indicates a good text layout.
36 paragraphs were found on this page.
No placeholders texts or images were found.
There are no duplicates on the site.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
No viewpoint tag is provided.
No Apple touch icon is specified.
This page only loads 2 JavaScript files. That's good!
Bold and strong tags
(Somewhat important)
The following tag is repeated too often: shape
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)
The HTTPS protocol for secure data transmission is not used.

Media list

URLAlt attributeTitle
...g/.Moving_Boxes___Packing_Material_m.jpgMoving_Boxes___Packing_Material.jpgMoving_Boxes___Packing_Material.jpg, mar. 2013
/public/graphgallery/.graph-gallery_m.jpggraph-gallery.pnggraph-gallery.png, fév. 2013
/public/packages/bibtex/bibtex.pngbibtex.pngbibtex.png, fév. 2013
/public/posts/shapes/.shapes_m.jpgshapes.jpgshapes.jpg, nov. 2012
...posts/facebook/.graph_api_explorer_m.jpggraph_api_explorer.pnggraph_api_explorer.png, janv. 2012
/public/packages/int64/google-64.pnggoogle-64.pnggoogle-64.png, nov. 2011
/public/packages/Rcpp/dep.pngdep.pngdep.png, oct. 2011
...lic/graphgallery/.rbloggers-widget_m.jpgrbloggers-widget.pngrbloggers-widget.png, oct. 2011
/public/graphgallery/.rbloggers_m.jpgrbloggers.pngrbloggers.png, oct. 2011
/public/graphgallery/.twitter_m.jpgtwitter.pngtwitter.png, oct. 2011
/public/graphgallery/.paypal_button_m.jpgpaypal_button.pngpaypal_button.png, sept. 2011
/public/graphgallery/.facebook_page_m.jpgfacebook_page.pngfacebook_page.png, sept. 2011
...ture_d_ecran_2011-09-21_a_21.40.04_m.jpgCapture_d_ecran_2011-09-21_a_21.40.04.pngCapture_d_ecran_2011-09-21_a_21.40.04.png, sept. 2011
...ture_d_ecran_2011-09-20_a_22.46.23_m.jpgCapture_d_ecran_2011-09-20_a_22.46.23.pngCapture_d_ecran_2011-09-20_a_22.46.23.png, sept. 2011
...t.org/images/journal_logo.jpg?1189193120No alt attribute provided

Page structure

H1 heading
(Critically important)
Romain Francois, Professional R Enthusiast
The H1 heading is perfect.
Headings
(Important)
There are 29 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 Romain Francois, Professional R Enthusiast
H2 Moving
H2 Improving the graph gallery
H2 bibtex 0.3-5
H2 OOP with Rcpp modules
H2 Rcpp modules more flexible
H2 Crawling facebook with R
H2 ... And now for solution 17, still using Rcpp
H2 int64: 64 bit integer vectors for R
H2 Code optimization, an Rcpp solution
H2 Rcpp reverse dependency graph
H2 R Bloggers widget in R Graph Gallery
H2 R Graph Gallery widget in R Bloggers
H2 Twitter updates on R Graph Gallery
H2 R Graph Gallery - Donations Welcome
H2 Facebook page about the Graph Gallery
H2 More facebook and google plus on the Graph Gallery
H2 Facebook like button in Graph Gallery
H2 now in google+
H2 Rcpp Workshop slides
H2 Rcpp article in JSS
H2 Pages
H2 Search
H2 Categories
H2 Tags
H2 Register
H2 Links
H2 Last posts
H2 Derniers commentaires
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.
None of the anchor texts is too long.
There are too many external links (67) on this page.

Found links on this page

LinkAttributesAnchor text
/index.php?Subdomain Romain Francois, Professional R Enthusiast
/Anchor To content
/Anchor To menu
/Anchor To search
/index.php?post/2013/03/24/MovingSubdomain Moving
/Subdomain romain francois
/index.php?tag/RSubdomain R
http://blog.r-enthusiasts.com/External Subdomain blog.r-enthusiasts.com
/index.php?post/2013/03/24/MovingSubdomain Anchor no trackback
/index.php?post/2013/02/18/Imp...Subdomain Improving the graph gallery
/Subdomain Text duplicate romain francois
/index.php?tag/graphgallerySubdomain graphgallery
/index.php?tag/RSubdomain Text duplicate R
http://gallery.r-enthusiasts.com/External Subdomain R Graph Gallery
http://www.facebook.com/questi...External Subdomain question
http://www.facebook.com/pages/...External Subdomain facebook page
http://gallery.r-enthusiasts.com/External Subdomain IMG-ALT graph-gallery.png
/index.php?post/2013/02/18/Imp...Subdomain Anchor Text duplicate no trackback
/index.php?post/2013/02/04/bib...Subdomain bibtex 0.3-5
/Subdomain Text duplicate romain francois
/index.php?category/R-package/...Subdomain bibtex
/index.php?post/2013/02/04/bib...Subdomain Anchor Text duplicate no trackback
/index.php?post/2012/11/05/OOP...Subdomain OOP with Rcpp modules
/Subdomain Text duplicate romain francois
/index.php?category/R-package/...Subdomain Rcpp
/index.php?tag/cplusplusSubdomain cplusplus
/index.php?tag/OOPSubdomain OOP
/index.php?tag/RSubdomain Text duplicate R
/index.php?tag/RcppSubdomain Text duplicate Rcpp
http://dirk.eddelbuettel.com/c...External Subdomain Text duplicate Rcpp
/index.php?post/2012/11/05/OOP...Subdomain Anchor Text duplicate no trackback
/index.php?post/2012/10/25/Rcp...Subdomain Rcpp modules more flexible
/Subdomain Text duplicate romain francois
/index.php?category/R-package/...Subdomain Text duplicate Rcpp
/index.php?tag/cplusplusSubdomain Text duplicate cplusplus
/index.php?tag/RSubdomain Text duplicate R
/index.php?tag/RcppSubdomain Text duplicate Rcpp
http://dirk.eddelbuettel.com/c...External Subdomain Text duplicate Rcpp
/index.php?post/2012/10/25/Rcp...Subdomain Anchor Text duplicate no trackback
/index.php?post/2012/01/15/Cra...Subdomain Crawling facebook with R
/Subdomain Text duplicate romain francois
/index.php?tag/facebookSubdomain facebook
/index.php?tag/RSubdomain Text duplicate R
https://developers.facebook.co...External Subdomain Graph API Explorer
/public/posts/facebook/graph_a...IMG-ALT graph_api_explorer.png
http://developers.facebook.com...External Subdomain graph api
http://applyr.blogspot.com/201...External Subdomain Mining Facebook Data: Most "Liked" Status and Friendship Network
http://www.statsravingmad.com/...External Subdomain Download your Facebook photos using R
/index.php?post/2012/01/15/Cra...Subdomain Anchor Text duplicate no trackback
/index.php?post/2011/12/14/......Subdomain ... And now for solution 17, still using Rcpp
/Subdomain Text duplicate romain francois
/index.php?category/R-package/...Subdomain Text duplicate Rcpp
/index.php?tag/RSubdomain Text duplicate R
/index.php?tag/RcppSubdomain Text duplicate Rcpp
http://rwiki.sciviews.org/doku...External Subdomain R wiki
http://dirk.eddelbuettel.com/c...External Subdomain Text duplicate Rcpp
/index.php?post/2011/11/10/Cod...Subdomain previous version (15)
/index.php?post/2011/12/14/......Subdomain Anchor Text duplicate no trackback
/index.php?post/2011/11/26/int...Subdomain int64: 64 bit integer vectors for R
/Subdomain Text duplicate romain francois
/index.php?category/R-packageSubdomain R package
/index.php?tag/cplusplusSubdomain Text duplicate cplusplus
/index.php?tag/CRANSubdomain CRAN
/index.php?tag/int64Subdomain int64
/index.php?tag/packageSubdomain package
/index.php?tag/RSubdomain Text duplicate R
/index.php?tag/RcppSubdomain Text duplicate Rcpp
/index.php?tag/RProtoBufSubdomain RProtoBuf
http://cran.r-project.org/web/...External Subdomain IMG-ALT google-64.png
http://code.google.com/opensou...External Subdomain Google Open Source Programs Office
http://cran.r-project.org/web/...External Subdomain Text duplicate int64
http://google-opensource.blogs...External Subdomain open source blog from Google
http://cran.r-project.org/web/...External Subdomain vignette
http://cran.r-project.org/web/...External Subdomain RUnit
http://cran.r-project.org/web/...External Subdomain Text duplicate int64
http://cran.r-project.org/web/...External Subdomain Text duplicate int64
http://dirk.eddelbuettel.com/c...External Subdomain Text duplicate Rcpp
http://dirk.eddelbuettel.com/c...External Subdomain Text duplicate RProtoBuf
http://cran.r-project.org/web/...External Subdomain Text duplicate int64
/index.php?post/2011/11/26/int...Subdomain Anchor Text duplicate no trackback
/index.php?post/2011/11/10/Cod...Subdomain Code optimization, an Rcpp solution
/Subdomain Text duplicate romain francois
/index.php?tag/RSubdomain Text duplicate R
/index.php?tag/RcppSubdomain Text duplicate Rcpp
http://tonybreyal.wordpress.com/External Subdomain Tony Breyal
http://tonybreyal.wordpress.co...External Subdomain blog post
http://dirk.eddelbuettel.com/c...External Subdomain Text duplicate Rcpp
/index.php?post/2011/11/10/Cod...Subdomain Anchor Text duplicate no trackback
/index.php?post/2011/10/30/Rcp...Subdomain Rcpp reverse dependency graph
/Subdomain Text duplicate romain francois
/index.php?category/R-package/...Subdomain Text duplicate Rcpp
/index.php?tag/CRANSubdomain Text duplicate CRAN
/index.php?tag/graphvizSubdomain graphviz
/index.php?tag/RSubdomain Text duplicate R
/index.php?tag/RcppSubdomain Text duplicate Rcpp
http://dirk.eddelbuettel.com/c...External Subdomain Text duplicate Rcpp
http://dirk.eddelbuettel.com/c...External Subdomain Text duplicate Rcpp
http://www.graphviz.org/External Subdomain Text duplicate graphviz
/index.php?post/2011/10/30/Rcp...Subdomain Anchor Text duplicate no trackback
/index.php?post/2011/10/11/R-B...Subdomain R Bloggers widget in R Graph Gallery
/Subdomain Text duplicate romain francois
/index.php?tag/RSubdomain Text duplicate R
/index.php?tag/r bloggersSubdomain r bloggers
/index.php?tag/r graph gallerySubdomain r graph gallery
/index.php?post/2011/10/08/R-G...last post
http://www.r-bloggers.com/External Subdomain R Bloggers
http://www.r-statistics.com/External Subdomain Tal
/public/graphgallery/rbloggers...IMG-ALT rbloggers-widget.png
http://jquery.malsup.com/cycle/External Subdomain jquery
/index.php?post/2011/10/11/R-B...Subdomain Anchor Text duplicate no trackback
/index.php?post/2011/10/08/R-G...Subdomain R Graph Gallery widget in R Bloggers
/Subdomain Text duplicate romain francois
/index.php?tag/RSubdomain Text duplicate R
/index.php?tag/R BloggersSubdomain Text duplicate R Bloggers
/index.php?tag/r graph gallerySubdomain Text duplicate r graph gallery
http://www.r-bloggers.com/External Subdomain Text duplicate R Bloggers
http://www.r-statistics.com/External Subdomain Tal Galili
http://jquery.malsup.com/cycle/External Subdomain the jquery cycle plugin
/public/graphgallery/rbloggers...IMG-ALT rbloggers.png
/index.php?post/2011/10/08/R-G...Subdomain Anchor Text duplicate no trackback
/index.php?post/2011/10/03/Twi...Subdomain Twitter updates on R Graph Gallery
/Subdomain Text duplicate romain francois
/index.php?tag/RSubdomain Text duplicate R
/index.php?tag/r graph gallerySubdomain Text duplicate r graph gallery
http://addictedtor.free.fr/gra...External Subdomain front page
http://addictedtor.free.fr/gra...External Subdomain IMG-ALT twitter.png
/index.php?post/2011/10/03/Twi...Subdomain Anchor Text duplicate no trackback
/index.php?post/2011/09/30/R-G...Subdomain R Graph Gallery - Donations Welcome
/Subdomain Text duplicate romain francois
/index.php?tag/RSubdomain Text duplicate R
/index.php?tag/r graph gallerySubdomain Text duplicate r graph gallery
http://addictedtor.free.fr/gra...External Subdomain graph
http://gallery.r-enthusiasts.com/External Subdomain IMG-ALT paypal_button.png
/index.php?post/2011/09/30/R-G...Subdomain Anchor Text duplicate no trackback
/index.php?post/2011/09/22/Fac...Subdomain Facebook page about the Graph Gallery
/Subdomain Text duplicate romain francois
/index.php?tag/facebookSubdomain Text duplicate facebook
/index.php?tag/RSubdomain Text duplicate R
/index.php?tag/r graph gallerySubdomain Text duplicate r graph gallery
http://www.facebook.com/pages/...External Subdomain Text duplicate facebook page
http://addictedtor.free.fr/gra...External Subdomain Text duplicate R Graph Gallery
http://addictedtor.free.fr/gra...External Subdomain IMG-ALT facebook_page.png
/index.php?post/2011/09/22/Fac...Subdomain Anchor Text duplicate no trackback
/index.php?post/2011/09/21/Mor...Subdomain More facebook and google plus on the Graph Gallery
/Subdomain Text duplicate romain francois
/index.php?tag/RSubdomain Text duplicate R
/index.php?tag/r graph gallerySubdomain Text duplicate r graph gallery
/index.php?post/2011/09/20/Fac...facebook like box
/public/Capture_d_ecran_2011-0...IMG-ALT Capture_d_ecran_2011-09-21_a_21.40.04.png
/index.php?post/2011/09/21/Mor...Subdomain Anchor Text duplicate no trackback
/index.php?post/2011/09/20/Fac...Subdomain Facebook like button in Graph Gallery
/Subdomain Text duplicate romain francois
/index.php?tag/RSubdomain Text duplicate R
/index.php?tag/R graph gallerySubdomain R graph gallery
http://facebook.com/External Text duplicate facebook
http://addictedtor.free.fr/gra...External Subdomain Text duplicate R Graph Gallery
http://addictedtor.free.fr/gra...External Subdomain this one
/index.php?post/2011/09/20/Fac...Subdomain Anchor Text duplicate no trackback
/index.php?post/2011/07/18/now...Subdomain now in google+
/Subdomain Text duplicate romain francois
https://plus.google.com/104430...External Subdomain google+
http://www.facebook.com/profil...External Subdomain Text duplicate facebook
/index.php?post/2011/07/18/now...Subdomain Anchor Text duplicate no trackback
/index.php?post/2011/04/29/Rcp...Subdomain Rcpp Workshop slides
/Subdomain Text duplicate romain francois
/index.php?tag/RSubdomain Text duplicate R
/index.php?tag/RcppSubdomain Text duplicate Rcpp
/index.php?tag/workshopSubdomain workshop
http://dirk.eddelbuettel.com/External Subdomain Dirk
http://www.rinfinance.com/External Subdomain R in Finance
http://dirk.eddelbuettel.com/p...External Subdomain part 1 (intro)
http://dirk.eddelbuettel.com/p...External Subdomain part 2 (details)
http://dirk.eddelbuettel.com/p...External Subdomain part 3 (modules)
http://dirk.eddelbuettel.com/p...External Subdomain part 4 (applications)
/index.php?post/2011/04/29/Rcp...Subdomain Anchor Text duplicate no trackback
/index.php?post/2011/04/17/Rcp...Subdomain Rcpp article in JSS
/Subdomain Text duplicate romain francois
/index.php?category/R-package/...Subdomain Text duplicate Rcpp
/index.php?tag/articleSubdomain article
/index.php?tag/journalSubdomain journal
/index.php?tag/jssSubdomain jss
/index.php?tag/RSubdomain Text duplicate R
/index.php?tag/RcppSubdomain Text duplicate Rcpp
http://www.jstatsoft.org/External Subdomain No Text
http://www.jstatsoft.org/External Subdomain The Journal of Statistical Software
http://www.jstatsoft.org/v40/i08External Subdomain Rcpp article
/index.php?post/2011/04/17/Rcp...Subdomain Anchor Text duplicate no trackback
/index.php?/page/2Subdomain « previous entries
/index.php?pages/Contact-detailsSubdomain Contact details
/index.php?archiveSubdomain Archives
/index.php?category/TipSubdomain Tip
/index.php?category/SnippetSubdomain Snippet
/index.php?category/R-packageSubdomain Text duplicate R package
/index.php?category/R-package/...Subdomain Text duplicate RProtoBuf
/index.php?category/R-package/...Subdomain highlight
/index.php?category/R-package/...Subdomain xterm256
/index.php?category/R-package/...Subdomain Text duplicate bibtex
/index.php?category/R-package/CPPSubdomain CPP
/index.php?category/R-package/...Subdomain Text duplicate Rcpp
/index.php?category/R-package/sosSubdomain sos
/index.php?category/R-package/...Subdomain RImageJ
/index.php?category/R-package/...Subdomain base64
/index.php?category/R-package/...Subdomain RcppArmadillo
/index.php?category/R-package/...Subdomain inline
/index.php?category/ComedySubdomain Comedy
/index.php?tag/antSubdomain ant
/index.php?tag/conferenceSubdomain conference
/index.php?tag/cplusplusSubdomain Text duplicate cplusplus
/index.php?tag/CRANSubdomain Text duplicate CRAN
/index.php?tag/graphgallerySubdomain Text duplicate graphgallery
/index.php?tag/graphicsSubdomain graphics
/index.php?tag/highlightSubdomain Text duplicate highlight
/index.php?tag/javaSubdomain java
/index.php?tag/jeditSubdomain jedit
/index.php?tag/latexSubdomain latex
/index.php?tag/londonRSubdomain londonR
/index.php?tag/packageSubdomain Text duplicate package
/index.php?tag/parserSubdomain parser
/index.php?tag/profilingSubdomain profiling
/index.php?tag/pythonSubdomain python
/index.php?tag/RSubdomain Text duplicate R
/index.php?tag/r graph gallerySubdomain Text duplicate r graph gallery
/index.php?tag/RcppSubdomain Text duplicate Rcpp
/index.php?tag/RProtoBufSubdomain Text duplicate RProtoBuf
/index.php?tag/sweaveSubdomain sweave
/index.php?tagsSubdomain All tags
/index.php?feed/atomSubdomain Entries feed
A-TITLE This blog's entries Atom feed
/index.php?feed/atom/commentsSubdomain Comments feed
A-TITLE This blog's comments Atom feed
http://romain-francois.com/External My Comedy Site
A-TITLE My Comedy Site
http://journal.r-project.org/External Subdomain R Journal
A-TITLE The R Journal
http://planetr.stderr.org/External Subdomain Planet R
A-TITLE Planet R
http://www.r-bloggers.com/External Subdomain Text duplicate R Bloggers
A-TITLE R bloggers
http://crantastic.org/External crantastic
A-TITLE crantastic
http://gallery.r-enthusiasts.com/External Subdomain Text duplicate R Graph Gallery
A-TITLE R Graph Gallery
https://www.ohloh.net/accounts...External Subdomain my ohloh profile
A-TITLE my ohloh profile
http://www.flickr.com/photos/5...External Subdomain Flickr
A-TITLE My Flickr account
http://www.slideshare.net/roma...External Subdomain SlideShare
A-TITLE My SlideShare account
/index.php?post/2013/03/24/MovingSubdomain Text duplicate Moving
/index.php?post/2013/02/18/Imp...Subdomain Text duplicate Improving the graph gallery
/index.php?post/2013/02/04/bib...Subdomain Text duplicate bibtex 0.3-5
/index.php?post/2012/11/05/OOP...Subdomain Text duplicate OOP with Rcpp modules
/index.php?post/2012/10/25/Rcp...Subdomain Text duplicate Rcpp modules more flexible
/index.php?post/2012/01/15/Cra...Subdomain Text duplicate Crawling facebook with R
/index.php?post/2011/12/14/......Subdomain Text duplicate ... And now for solution 17, still using Rcpp
/index.php?post/2011/11/26/int...Subdomain Text duplicate int64: 64 bit integer vectors for R
/index.php?post/2011/11/10/Cod...Subdomain Text duplicate Code optimization, an Rcpp solution
/index.php?post/2011/10/30/Rcp...Subdomain Text duplicate Rcpp reverse dependency graph
/index.php?post/2010/12/07/hig...Subdomain Anchor highlight 0.2-5 - Romain
/index.php?post/2010/12/07/hig...Subdomain Anchor highlight 0.2-5 - Yihui
/index.php?post/2010/12/07/hig...Subdomain Anchor Text duplicate highlight 0.2-5 - Romain
/index.php?post/2010/12/07/hig...Subdomain Anchor Text duplicate highlight 0.2-5 - Yihui
/index.php?post/2010/11/12/Wha...Subdomain Anchor What would impressionnists do with R ? - Romain
/index.php?post/2010/11/12/Wha...Subdomain Anchor What would impressionnists do with R ? - richierocks
/index.php?post/2010/08/13/Rcp...Subdomain Anchor Rcpp svn revision 2000 - Rhileigh
/index.php?post/2010/11/12/Wha...Subdomain Anchor What would impressionnists do with R ? - Shane
/index.php?post/2010/11/12/Wha...Subdomain Anchor What would impressionnists do with R ? - claudio
/index.php?post/2010/11/12/Wha...Subdomain Anchor Text duplicate What would impressionnists do with R ? - Romain
http://dotclear.org/External Dotclear

Server configuration

HTTP redirects
(Critically important)
The checked page does not redirect to another URL.
HTTP header
(Important)
The HTML page should be transferred using GZip compression.
The used PHP version is outdated and may be a security risk.
The web server version is sent within the HTTP header.
The X-powered header is sent within the response header. (unnecessary)
Performance
(Somewhat important)
The page response time is very slow (2.78 seconds). The response time should be less than 0.4 seconds. Slow websites are bad for search engine bots and also result in bad user experience.
This page does not require any CSS files.
This page only loads 2 JavaScript files. That's good!
The file size of the HTML document is fine (59 kB).

HTTP Response Header

NameValue
x-powered-byPHP/5.2.13
dateSun, 11 May 2025 10:55:09 GMT
last-modifiedFri, 06 Nov 2015 13:00:38 GMT
cache-controlmust-revalidate, max-age=0
pragma
content-typetext/html; charset=UTF-8
etag"918f5e3197a2e85c8c4efc6dd25fb5fa"
transfer-encodingchunked
serverlighttpd/1.4.26
statuscode200
http_versionHTTP/1.1

External factors

This page has only a few links from other websites.
This page only has backlinks from 25 referring domains.
This page only has 164 backlinks.
This page only has few backlinks from 24 different ip addresses.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

No valid Robots.txt file was found.

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Search preview

romainfrancois.blog.free.fr
Romain Francois, Professional R Enthusiast
Independant statistical/R consultant

Most important keywords

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

KeywordResultRecheck
Romain73%Check
Francois73%Check
Romain Francois73%Check
Professional62%Check
Main Page62%Check
Enthusiast61%Check
as part51%Check
used as51%Check
represented as51%Check
bibtex49%Check
Show more keywords and terms

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