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Grav ReadingTime Plugin

ReadingTime is a Grav plugin which allows Grav to display the reading time of a page's content. This is especially useful for blogs and other sites as it gives the reader a quick idea of how much time they will need to set aside to read the page in full.

Enabling the plugin is very simple. Just install the plugin folder to /user/plugins/ in your Grav install. By default, the plugin is enabled.


To install this plugin, just download the zip version of this repository and unzip it under /your/site/grav/user/plugins. Then, rename the resulting folder to readingtime.

It is important that the folder be named readingtime as this is the folder referenced in the plugin's code.

The contents of the zipped folder should now be located in the /your/site/grav/user/plugins/readingtime directory.

NOTE: This plugin is a modular component for Grav which requires Grav, the Error and Problems plugins, and a theme to be installed in order to operate.


Initial Setup

Place the following line of code in the theme file you wish to add the ReadingTime plugin for:

{{ page.content|readingtime }}

You need to pass a Twig Filter 'readingtime' to display the reading time values. You can translate the labels with this example:

{{ page.content|readingtime({'minutes_label': 'Minuti', 'minute_label': 'Minuto', 'seconds_label': 'Secondi', 'second_label': 'Secondo'}) }}

I used Italian translation for the labels, you can change with your language.

If you need you can change the format with this avariable variables (the code is default format):

{{ page.content|readingtime({'format': '{minutes_short_count} {minutes_text}, {seconds_short_count} {seconds_text}'}) }}

Available variables:

Variable Description Example
{minute_label} Minute Label (Singular) minute
{minutes_label} Minutes Label (Plural) minutes
{second_label} Second Label (Singular) second
{seconds_label} Second Label (Plural) seconds
{format} Display Format {minutes_text} {minutes_short_count}, {seconds_text} {seconds_short_count}

Not available to edit but used in the format variable:

Variable Description Example
{minutes_short_count} Displays Minutes with Abbreviated Digits 2
{seconds_short_count} Displays Seconds with Abbreviated Digits 9
{minutes_long_count} Displays Minutes in Double Digits 02
{seconds_long_count} Displays Seconds in Double Digits 09

Display variables for text labels:

Variable Description Example
{minutes_text} Displays the Minutes Text Label (Singular or Plural, Based on Number of Minutes) minute
{seconds_text} Displays the Seconds Text Label (Singular or Plural, Based on Number of Seconds) seconds

NOTE: Any time you are making alterations to a theme's files, you will want to duplicate the theme folder in the user/themes/ directory, rename it, and set the new name as your active theme. This will ensure that you don't lose your customizations in the event that a theme is updated. Once you have tested the change thoroughly, you can delete or back up that folder elsewhere.

Include image views

The number of seconds to view images is added to the reading time of text when include_image_views is set to true.

Images are identified by <img> tags in page.content().

The default values for seconds_per_image (shown below) mean that the first image adds 12 seconds to the reading time, the second adds 11 seconds, the third adds 10 seconds, and so on. Only integers, whitespace, and commas are permitted in the string.

seconds_per_image: '12,11,10,9,8,7,6,5,4,3'

If there are more images in a page than what is defined in seconds_per_image (e.g., more than 10 images in the default shown above) then subsequent images take the last value (3 seconds in the default shown above).

The example below adds 5 seconds reading time for all images.

seconds_per_image: 5