diff --git a/.Rbuildignore b/.Rbuildignore
index 434cb0c..3e011f5 100644
--- a/.Rbuildignore
+++ b/.Rbuildignore
@@ -13,6 +13,8 @@ doc/Old
 ^\.Rproj\.user$
 README.Rmd
 README.md
+CAUTION.md
 ^_pkgdown\.yml$
 ^docs$
-^pkgdown$
\ No newline at end of file
+^pkgdown$
+^\.github$
diff --git a/.github/.gitignore b/.github/.gitignore
new file mode 100644
index 0000000..2d19fc7
--- /dev/null
+++ b/.github/.gitignore
@@ -0,0 +1 @@
+*.html
diff --git a/.github/workflows/pkgdown.yaml b/.github/workflows/pkgdown.yaml
new file mode 100644
index 0000000..ed7650c
--- /dev/null
+++ b/.github/workflows/pkgdown.yaml
@@ -0,0 +1,48 @@
+# Workflow derived from https://github.com/r-lib/actions/tree/v2/examples
+# Need help debugging build failures? Start at https://github.com/r-lib/actions#where-to-find-help
+on:
+  push:
+    branches: [main, master]
+  pull_request:
+    branches: [main, master]
+  release:
+    types: [published]
+  workflow_dispatch:
+
+name: pkgdown
+
+jobs:
+  pkgdown:
+    runs-on: ubuntu-latest
+    # Only restrict concurrency for non-PR jobs
+    concurrency:
+      group: pkgdown-${{ github.event_name != 'pull_request' || github.run_id }}
+    env:
+      GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
+    permissions:
+      contents: write
+    steps:
+      - uses: actions/checkout@v3
+
+      - uses: r-lib/actions/setup-pandoc@v2
+
+      - uses: r-lib/actions/setup-r@v2
+        with:
+          use-public-rspm: true
+
+      - uses: r-lib/actions/setup-r-dependencies@v2
+        with:
+          extra-packages: any::pkgdown, local::.
+          needs: website
+
+      - name: Build site
+        run: pkgdown::build_site_github_pages(new_process = FALSE, install = FALSE)
+        shell: Rscript {0}
+
+      - name: Deploy to GitHub pages 🚀
+        if: github.event_name != 'pull_request'
+        uses: JamesIves/github-pages-deploy-action@v4.4.1
+        with:
+          clean: false
+          branch: gh-pages
+          folder: docs
diff --git a/CAUTION.md b/CAUTION.md
new file mode 100644
index 0000000..1a90e4e
--- /dev/null
+++ b/CAUTION.md
@@ -0,0 +1,14 @@
+
+Use `R CMD check` to  check this package, not **RStudio**! 
+
+Indeed, in the check, **RStudio** deletes the `inst/doc` directory
+without warning. However this directory used here is conforming to
+section 1.4 in the [Writing R Extensions
+manual](https://cran.r-project.org/doc/manuals/R-exts.html)
+
+"*In addition to the help files in Rd format, R packages allow the
+inclusion of documents in arbitrary other formats. The standard
+location for these is subdirectory `inst/doc` of a source package, ...*"
+
+In the present case `inst/doc` contains `RenextGuide.pdf` as well as
+its source files.
diff --git a/DESCRIPTION b/DESCRIPTION
index 4dfa70a..029d723 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -9,3 +9,4 @@ Description: Analysis of Sea Levels using Convolution between Tide and Surge.
 Depends: R(>= 2.9.0), stats, methods, graphics, grDevices, splines, Renext, quadprog
 License: GPL (>= 2)
 LazyLoad: yes
+URL: https://irsn.github.io/SeaLev/
diff --git a/README.Rmd b/README.Rmd
index c90e247..7125b3e 100644
--- a/README.Rmd
+++ b/README.Rmd
@@ -32,7 +32,15 @@ Then the tail distribution of $Z$ can be computed by convolution.
 Mind that this package is quite old since it was created during the
 pre-RStudio era.
 
-# INSTALLATION
+# SeaLev Guide
+
+The package does not have any vignette as such, yet the [SeaLev
+Package guide](https://github.com/IRSN/SeaLev/blob/main/inst/doc/SeaLevGuide.pdf)
+available here is shipped with the package as a pdf file (with extra
+compression).
+
+
+# Installation
 
 ## Using the *remotes* package
 
@@ -44,15 +52,6 @@ install_github("IRSN/SeaLev", dependencies = TRUE)
 ```
 This should install the package and make it ready to use.
 
-Mind that by default this does not build the vignette shipped with the
-package (long-form documentation). To build the vignette, use instead
-
-```{r, eval=FALSE}
-install_github("IRSN/SeaLev", dependencies = TRUE, build_vignettes = TRUE)
-```
-The installation will then take a longer time but the vignette will be
-accessible from the help of the package (link above the "Help Pages"
-section).
 
 You can also select a specific branch or a specific commit by using
 the suitable syntax for `install_github`. For instance to install the
diff --git a/README.md b/README.md
index 32bc1d1..fe6616e 100644
--- a/README.md
+++ b/README.md
@@ -1,13 +1,13 @@
-README
+R Package SeaLev
 ================
 Yves Deville
 2023-05-22
 
-# The SeaLev package
+# Scope
 
 The **SeaLev** package is a R package funded by IRSN/Behrig. It is
 devoted to the distribution of a Sea Level random variable (r.v.) say
-$Z$ viewed as the sum of two independent r.vs $X$ and $Y$ representing
+$Z$, viewed as the sum of two independent r.vs $X$ and $Y$ representing
 the astronomical tide and the surge. More precisely the r.vs relate to a
 *tide interval* defined as the time interval separating two consecutive
 astronomical low tides. Then $X$ is the astronomical *high-tide* level
@@ -29,7 +29,14 @@ Then the tail distribution of $Z$ can be computed by convolution.
 Mind that this package is quite old since it was created during the
 pre-RStudio era.
 
-# INSTALLATION
+# SeaLev Guide
+
+The package does not have any vignette as such, yet the [SeaLev Package
+guide](https://github.com/IRSN/SeaLev/blob/main/inst/doc/SeaLevGuide.pdf)
+available here is shipped with the package as a pdf file (with extra
+compression).
+
+# Installation
 
 ## Using the *remotes* package
 
@@ -37,22 +44,10 @@ In an R session use
 
 ``` r
 library(remotes)
-install_github("IRSN/SeaLev", dependencies = TRUE, auth_token = myToken)
-```
-
-where `myToken` is *your* GitHub token. This should install the package
-and make it ready to use.
-
-Mind that by default this does not build the vignette shipped with the
-package (long-form documentation). To build the vignette, use instead
-
-``` r
-install_github("IRSN/SeaLev", dependencies = TRUE, auth_token = myToken, build_vignettes = TRUE)
+install_github("IRSN/SeaLev", dependencies = TRUE)
 ```
 
-The installation will then take a longer time but the vignette will be
-accessible from the help of the package (link above the “Help Pages”
-section).
+This should install the package and make it ready to use.
 
 You can also select a specific branch or a specific commit by using the
 suitable syntax for `install_github`. For instance to install the branch
diff --git a/_pkgdown.yml b/_pkgdown.yml
new file mode 100644
index 0000000..f2736fd
--- /dev/null
+++ b/_pkgdown.yml
@@ -0,0 +1,4 @@
+url: https://irsn.github.io/SeaLev/
+template:
+  bootstrap: 5
+