htmltools

Overview

About

Maintained by Carson SievertFirst published 2014-05-2819 releasesCRAN page ↗GitHub ↗

Tools for HTML generation and output.

Install

R (CRAN)pak (dev)Ubuntu (r2u)openSUSE (OBS)

install.packages("htmltools", repos = "https://cloud.r-project.org/")

Installs the current CRAN release. Prebuilt binaries on Windows and macOS.

if (!requireNamespace("pak", quietly = TRUE))
  install.packages("pak", repos = "https://cloud.r-project.org/")
pak::pak("rstudio/htmltools")

Development version from rstudio/htmltools. Installs pak first if it is not already available.

Release

# enable cranapt (r2u) if it is not already set up, then install
grep -rqs r2u.stat.illinois.edu /etc/apt/sources.list /etc/apt/sources.list.d/ \
  || curl -fsSL https://raw.githubusercontent.com/eddelbuettel/r2u/master/inst/scripts/add_cranapt_noble.sh | sudo bash
sudo apt install -y r-cran-htmltools

Fast Ubuntu binaries via r2u (no compilation). The cranapt setup runs once and is skipped when it is already enabled.

bspm (used by r2u) also needs make: sudo apt install make

# add the autoCRAN OBS repo (Tumbleweed) if it is missing, then install
zypper -q lr | grep -qi autoCRAN \
  || sudo zypper addrepo https://download.opensuse.org/repositories/devel:/languages:/R:/autoCRAN/openSUSE_Tumbleweed/devel:languages:R:autoCRAN.repo
sudo zypper install -y R-htmltools

RPMs auto-built from CRAN on openSUSE OBS (Tumbleweed).

Health

CRAN checks

5NOTE8OK

Failing flavors

NOTE r-devel-linux-x86_64-debian-clang
NOTE r-devel-linux-x86_64-debian-gcc
NOTE r-devel-linux-x86_64-fedora-clang
NOTE r-devel-linux-x86_64-fedora-gcc
NOTE r-devel-windows-x86_64

Slowest check: 2.4 min · r-oldrel-windows-x86_64

Code health

Yes

Tests · ratio 0.65

84.7%

Coverage · measured lines

100%

Documentation · exports

6

Dependencies · direct

Check history

NOTE2026-07-16
11 OK · 2 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE
OK2026-03-10
14 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE

Documentation

READMENoVignettesNopkgdown siteNoNEWSYes · 100% structuredCode of conductNoContributing guideNo

Examples that run: 100%
Documented parameters: 97%
Return-value docs: 59%
References docs: 0%

Downloads

14.1M

CRAN downloads in the past year

Rank #43 · ~38.6K/day · ~1.2M/mo

Releases R versions

Daily download trend is not available in this view yet.

1.1M30 days

3.5M90 days

14.1M1 year

Compare downloads with other packages →

Also on161.2K r2u262 autocran1.2M conda_forge515 bioconda3.9K c2d4u

Repository

GitHub ↗ rstudio/htmltools

223Stars

72Forks

82Open issues

15Open PRs

14Releases

469Commits

34Contributors

469 commits · Last activity 2026-06-05 · +0.5% stars, 30d

Stars over time

2025-04-09 · 2162026-07-07 · 222

Repository practices

Upstream repositoryBeta

3 development-tooling and community-health practices detected across 3 families in the upstream repository

Checks run against github.com/rstudio/htmltools on 2026-07-19.

Continuous integration (1)

GitHub Actions

CRAN release process (1)

revdep/

Lint, format, editor (1)

RStudio project

How this is detected·Detection ruleset v1 (2026-07-18)

Dependencies

Declared dependencies

10 external dependencies (excludes base and recommended)

Depends (1)

R >= 2.14.1

Imports (6)

base64enc digest fastmapgrDevicesrlang (>= 1.0.0)utils

LinkingTo (0)

none

Suggests (6)

Cairo markdown ragg shiny testthat withr

Enhances (0)

none

Dependency license breakdown →

People & History

People (7)

Maintainer (1)

Carson Sievert

Author, Maintainer · added in 0.5.0

Authors (6)

Carson Sievert

Author, Maintainer · added in 0.5.0

Jeff Allen

Author · added in 0.5.0

Winston Chang

Author · added in 0.5.0

Joe Cheng

Author · added in 0.5.0

Barret Schloerke

Author · added in 0.5.2

Yihui Xie

Author · added in 0.5.0

Copyright holders (1)

Posit Software, PBC

Copyright holder, Funder · added in 0.5.6

Funders (1)

Posit Software, PBC

Copyright holder, Funder · added in 0.5.6

Listed in earlier versions (2)

Inc.

no longer listed · 0.2.4 to 0.4.0

RStudio

no longer listed · 0.2.4 to 0.5.5

Package Timeline

19 releases. Pick two to compare their code metrics. R releases are shown for context.

R
R 4.6.0 released · 2026-04-24
0.5.9Latest
2025-12-04 · current release · diff ↗
R
R 4.5.0 released · 2025-04-11
R
R 4.4.0 released · 2024-04-24
0.5.8.1
2024-04-04 · diff ↗
0.5.8
2024-03-26 · diff ↗
0.5.7
2023-11-03 · diff ↗
0.5.6.1
2023-10-06 · diff ↗
0.5.6
2023-08-11 · diff ↗
R
R 4.3.0 released · 2023-04-21
0.5.5
2023-03-23 · diff ↗
0.5.4
2022-12-07 · diff ↗
0.5.3
2022-07-18 · diff ↗
R
R 4.2.0 released · 2022-04-22
0.5.2
2021-08-25 · diff ↗
R
R 4.1.0 released · 2021-05-18

Show 16 earlier events

0.5.1.1
2021-01-22 · diff ↗
0.5.1
2021-01-12 · diff ↗
0.5.0
2020-06-16 · diff ↗
R
R 4.0.0 released · 2020-04-24
0.4.0
2019-10-05 · diff ↗
R
R 3.6.0 released · 2019-04-26
R
R 3.5.0 released · 2018-04-23
0.3.6
2017-04-28 · diff ↗
R
R 3.4.0 released · 2017-04-21
R
R 3.3.0 released · 2016-05-03
0.3.5
2016-03-21 · diff ↗
0.3
2015-12-29 · diff ↗
R
R 3.2.0 released · 2015-04-16
0.2.6
2014-09-08 · diff ↗
0.2.4
2014-05-28
R
R 3.1.0 released · 2014-04-10

Package metadata

First published: 2014-05-28
Total releases: 19 / 12 yrs
License: GPL (>= 2) OSI
Minimum R: ≥ 2.14.1
Download size: 132 KB
Installed size: not tracked yet
With dependencies: not tracked yet

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Downloads

Repository

Repository practices

Dependencies

Code & Tests

People & History

Package metadata