Handlebars Helper API

Ghost exposes 53+ Handlebars helpers. This reference covers every parameter, every valid attribute value, and the context constraints that determine whether a helper works or fails silently.

Table of Contents

• {{#get}} — API Data Fetcher
• {{#foreach}} — Enhanced Loop
• {{#has}} — Property Checks
• {{#is}} — Context Guard
• {{#match}} — Comparison Operator
• {{content}} — Post HTML
• {{excerpt}} — Plain-text Summary
• {{img_url}} — Responsive Image URLs
• {{navigation}} — Site Nav
• {{pagination}} — Page Links
• {{date}} — Date Formatting
• {{prev_post}} / {{next_post}}
• Other Inline Helpers
• Context × Helper Compatibility Matrix

{{#get}} — API Data Fetcher

{{#get}} is a block helper that fires a live Content API query during template rendering. It is the primary mechanism for loading data not already in the page context — related posts, tag clouds, author lists, tier walls, etc.

Valid resource types: posts, pages, tags, authors, tiers, newsletters.

Basic form

{{#get "posts" limit="3" filter="featured:true"}}
    {{#foreach posts}}
        <a href="{{url}}">{{title}}</a>
    {{/foreach}}
{{else}}
    <p>No posts found.</p>
{{/get}}

The {{else}} branch fires on API error or zero results.

Block params (named result variables)

{{#get "posts" limit="5" as |posts meta|}}
    {{#foreach posts}}…{{/foreach}}
    <p>Page {{meta.pagination.page}} of {{meta.pagination.pages}}</p>
{{/get}}

meta.pagination inside block params mirrors the pagination object (see {{pagination}} for field list).

Parameter reference

filter

NQL (Ghost Query Language) string. Supports + (AND), , (OR), - (NOT), and comparison operators >, <, >=, <=.

Common field names for posts:

• featured:true / featured:false
• tag:slug-here
• primary_tag:slug-here
• author:slug-here
• primary_author:slug-here
• visibility:public / visibility:members / visibility:paid
• published_at:>2024-01-01
• id:-{{id}} (exclude current post — dynamic path syntax, see below)

Examples:

{{!-- Featured posts tagged "tutorial" --}}
{{#get "posts" filter="featured:true+tag:tutorial"}}

{{!-- Any of two tags --}}
{{#get "posts" filter="tag:news,tag:announcements"}}

{{!-- Exclude current post by id --}}
{{#get "posts" filter="id:-{{id}}" limit="3"}}

{{!-- Tags that are not the current tag --}}
{{#get "tags" filter="id:-{{id}}+visibility:public" limit="16"}}

{{!-- Posts published after a date --}}
{{#get "posts" filter="published_at:>'2024-06-01'"}}

Dynamic path syntax — double-mustache {{path}} inside a filter string is resolved against the current template context before the API call:

• {{id}} → current object's ID
• {{slug}} → current object's slug
• {{post.tags}} → expands to comma-separated tag slugs (path alias for post.tags[*].slug)
• {{post.author}} → expands to author slug (path alias for post.author.slug)
• {{@custom.some_setting}} → global template data via @ prefix

limit

Number of results to return. Use "all" to fetch every record. Ghost's internal cap is applied automatically (default max 100 for most resources).

{{#get "tags" limit="all" include="count.posts"}}
{{#get "posts" limit="6"}}

order

Space-separated field direction pairs. Direction is asc or desc. Multiple fields are comma-separated.

{{#get "posts" order="published_at desc"}}
{{#get "tags" order="count.posts desc"}}
{{#get "posts" order="published_at desc,title asc"}}

Common sortable fields: published_at, title, slug, count.posts (tags/authors only), created_at, updated_at.

include

Comma-separated list of relations to sideload. Without include, relation fields are null.

{{!-- Load tags and authors on posts --}}
{{#get "posts" include="tags,authors"}}

{{!-- Load post counts on tags --}}
{{#get "tags" include="count.posts"}}

{{!-- Load post counts and authors for tiers --}}
{{#get "tiers" include="monthly_price,yearly_price,benefits"}}

Available includes by resource:

• posts / pages: tags, authors, tiers
• tags: count.posts
• authors: count.posts
• tiers: monthly_price, yearly_price, benefits

page

Page number for paginated results. Works in tandem with limit. Defaults to 1.

{{#get "posts" limit="5" page="2"}}

offset

Skip N records before returning results. Alternative to page for manual windowing.

{{!-- Skip first 3, return next 6 --}}
{{#get "posts" limit="6" offset="3"}}

id / slug (read mode)

Passing id or slug switches from "browse" (list) to "read" (single record) mode. The result is still wrapped in an array inside the block.

{{#get "posts" slug="my-post-slug"}}
    {{#foreach posts}}{{title}}{{/foreach}}
{{/get}}

Per-request deduplication

Ghost deduplicates identical {{#get}} calls within a single page render via an internal _queryCache Map keyed on resource + sorted options JSON. Identical calls in partials that fire multiple times on a page will share the same promise.

{{#foreach}} — Enhanced Loop

{{#foreach}} replaces Handlebars' native {{#each}} for Ghost collections. It adds loop-position variables, windowing via from/to, column helpers, and visibility filtering.

Basic usage

{{#foreach posts}}
    <article class="{{post_class}}">
        <h2><a href="{{url}}">{{title}}</a></h2>
    </article>
{{/foreach}}

{{!-- Loop over authors inside a post context --}}
{{#foreach authors limit="2"}}
    <img src="{{img_url profile_image size="xs"}}" alt="{{name}}">
{{/foreach}}

Loop variables (available as @variable)

@first and @last are relative to the rendered slice, not the full array — so if from="3" is set, @first is true on item 3.

Parameters

limit

Caps the number of items rendered (does not slice the data; use {{#get}} limit to reduce data fetched). Combined with from, determines the to boundary automatically.

{{#foreach posts limit="3"}}…{{/foreach}}

from / to

1-indexed window. Render items starting at position from, ending at to. If limit is also set and from + limit <= length, to is overridden by from + limit - 1.

{{!-- Render items 2 through 5 --}}
{{#foreach posts from="2" to="5"}}…{{/foreach}}

{{!-- Skip first item (useful for hero + grid patterns) --}}
{{#foreach posts from="2"}}…{{/foreach}}

visibility

Controls which posts are included based on their visibility field. Ghost automatically defaults to "all" for post collections, overriding the "public" default used by other iterables.

{{!-- Explicitly show all visibility tiers (default for posts) --}}
{{#foreach posts visibility="all"}}…{{/foreach}}

{{!-- Only public posts --}}
{{#foreach posts visibility="public"}}…{{/foreach}}

Valid values: "all", "public", "members", "paid", "tiers".

columns

Integer that powers @rowStart / @rowEnd grid helpers.

{{#foreach posts columns="3"}}
    {{#if @rowStart}}<div class="row">{{/if}}
        <div class="col">{{title}}</div>
    {{#if @rowEnd}}</div>{{/if}}
{{/foreach}}

{{else}} branch

Renders when the collection is empty.

{{#foreach posts}}
    {{title}}
{{else}}
    <p>No posts yet.</p>
{{/foreach}}

{{#has}} — Property Checks

{{#has}} tests properties of the current context object. It is most useful inside post/page contexts but can be used wherever a matching object exists. Multiple attributes in a single call are OR'd together.

Valid attributes (from source): tag, author, slug, visibility, id, number, index, any, all.

tag

Checks if the current post/page has a tag by name (case-insensitive). Comma separates an OR list.

{{#has tag="Video"}}
    {{> video-post-layout}}
{{/has}}

{{#has tag="News, Announcements"}}
    <span class="breaking">Breaking</span>
{{/has}}

Count syntax:

{{!-- Exactly one tag --}}
{{#has tag="count:1"}}…{{/has}}

{{!-- More than two tags --}}
{{#has tag="count:>2"}}…{{/has}}

{{!-- Fewer than four tags --}}
{{#has tag="count:<4"}}…{{/has}}

author

Checks author names (case-insensitive). Useful inside {{#foreach authors}} loops or post contexts.

{{#has author="count:1"}}
    {{authors}}
{{else has author="count:2"}}
    {{authors separator=" and "}}
{{else has author="count:>2"}}
    {{authors separator=", " limit="2"}} and others
{{/has}}

visibility

Checks the visibility field of the current post/page.

{{#has visibility="public"}}
    <span class="free">Free</span>
{{else has visibility="paid"}}
    <span class="premium">Members only</span>
{{/has}}

slug / id

Exact string match against the current object's slug or id field (case-insensitive).

{{#has slug="about"}}
    {{!-- Special layout for the About page --}}
{{/has}}

number / index

Used inside {{#foreach}} to check the current loop position. number is 1-based; index is 0-based. Both support an nth:N modulo form.

{{#foreach posts}}
    {{#has number="1"}}
        <article class="featured">…</article>
    {{else}}
        <article>…</article>
    {{/has}}

    {{!-- Every third item --}}
    {{#has number="nth:3"}}
        <div class="clearfix"></div>
    {{/has}}
{{/foreach}}

any / all

Check whether the current object has a non-empty value for any (OR) or all (AND) of a comma-separated property list. Supports @data paths for global template data.

{{!-- True if any of these properties exists and is non-empty --}}
{{#has any="feature_image, custom_excerpt"}}
    {{> rich-card}}
{{/has}}

{{!-- True only if ALL are non-empty --}}
{{#has all="title, feature_image, excerpt"}}
    {{> og-card}}
{{/has}}

{{!-- Check global data via @ prefix --}}
{{#has any="@site.cover_image, @site.logo"}}
    {{> header-with-image}}
{{/has}}

Chaining with {{else has}}

{{#has}} supports chained {{else has …}} branches (similar to if/else if):

{{#has tag="Video"}}
    {{> video-layout}}
{{else has tag="Podcast"}}
    {{> audio-layout}}
{{else}}
    {{> default-layout}}
{{/has}}

{{#is}} — Context Guard

{{#is}} checks the current page context. Contexts are set by Ghost's router and injected into every template as options.data.root.context (an array).

Valid context strings

• "home" — the root / URL (index page, page 1 only)
• "index" — any page of the main post feed (includes "home")
• "post" — a single post
• "page" — a static page
• "author" — author archive
• "tag" — tag archive
• "private" — password-protected site gate
• "error" — error page (404, 500, etc.)
• "paged" — any paginated URL (page 2+); appears alongside "index", "tag", or "author"
• "preview" — Ghost Admin preview render
• "amp" — AMP (Accelerated Mobile Pages) context, if enabled

A page simultaneously has multiple contexts. The home page has both "home" and "index". Page 2 of a tag archive has "tag" and "paged".

Usage

{{#is "post"}}
    {{> post-footer}}
{{/is}}

{{!-- Multiple contexts are OR'd --}}
{{#is "tag, author"}}
    <div class="taxonomy-header">…</div>
{{/is}}

{{#is "home"}}
    {{> hero-banner}}
{{else is "paged"}}
    <h2>More posts</h2>
{{else}}
    {{> standard-header}}
{{/is}}

Common patterns

{{!-- Show comments only on posts, not pages --}}
{{#is "post"}}
    {{comments}}
{{/is}}

{{!-- Show pagination on all list views --}}
{{#is "index, tag, author"}}
    {{pagination}}
{{/is}}

{{!-- Suppress the featured image on the home page only --}}
{{#is "home"}}
    {{!-- no feature image --}}
{{else}}
    {{#if feature_image}}
        <img src="{{img_url feature_image size="l"}}" alt="{{title}}">
    {{/if}}
{{/is}}

{{#match}} — Comparison Operator

{{#match}} compares values with explicit operators. It works as both a block helper and an inline helper (returns a SafeString true/false). It is essential for @custom setting branches.

Signatures

{{!-- Single value: truthy/falsy check (like {{if}}) --}}
{{#match value}}…{{/match}}

{{!-- Two values: implicit equality --}}
{{#match left right}}…{{/match}}

{{!-- Three values: explicit operator --}}
{{#match left operator right}}…{{/match}}

Operators

Examples

{{!-- @custom select option match (most common use) --}}
{{#match @custom.hero_layout "=" "Publication logo"}}
    <div class="hero-logo">…</div>
{{else match @custom.hero_layout "=" "No logo"}}
    {{!-- nothing --}}
{{/match}}

{{!-- Two-arg equality (implicit =) --}}
{{#match @custom.appearance "dark"}}
    <link rel="stylesheet" href="{{asset "css/dark.css"}}">
{{/match}}

{{!-- Numeric comparison --}}
{{#match posts.length ">" "0"}}
    <p>{{posts.length}} posts total</p>
{{/match}}

{{!-- String contains --}}
{{#match title "~" "Ghost"}}
    <span class="meta">Ghost-related post</span>
{{/match}}

Chained {{else match}}

{{#match @custom.default_post_template "Full feature image"}}
    {{> "content" width="full"}}
{{else match @custom.default_post_template "Narrow feature image"}}
    {{> "content" width="narrow"}}
{{else match @custom.default_post_template "Wide feature image"}}
    {{> "content" width="wide"}}
{{else}}
    {{> "content" no_image=true}}
{{/match}}

Inline (non-block) usage

When called without a block body, {{match}} returns "true" or "false" as a SafeString. Useful for constructing dynamic class names.

<article class="post {{#match featured true}}is-featured{{/match}}">

{{content}} — Post HTML

Outputs the full rendered HTML of a post. Must be used inside a post/page context. Returns a SafeString (triple-stash not required).

Basic usage

{{content}}

Word truncation

{{!-- Truncate to 50 words --}}
{{content words="50"}}

{{!-- Truncate to 256 characters --}}
{{content characters="256"}}

Truncation is tag-safe (uses the downsize library) — it will not split an HTML tag mid-attribute.

Access-gated content

When a post's access field is false (the member does not have access), the helper renders the built-in content-cta template instead of the post HTML. This template shows a subscription prompt. Override it by providing a custom content-cta.hbs partial.

Card CSS and JS

Each Koenig editor card requires matching CSS and JavaScript to render correctly. Ghost injects cards.min.css and cards.min.js via {{ghost_head}} automatically when card_assets: true (the default) in package.json.

To exclude specific cards from the default asset bundle:

"config": {
    "card_assets": {
        "exclude": ["bookmark", "gallery"]
    }
}

To disable the card assets entirely:

"config": {
    "card_assets": false
}

When a card is excluded, you must supply your own CSS for that card type.

Card CSS class reference

All cards output a root element with kg-card plus a card-specific class. Width modifier classes (kg-width-wide, kg-width-full) are added for wide and full-width variants.

The kg-image class is on the <img> element inside image cards; the figure is kg-image-card. Image size is controlled by kg-width-wide and kg-width-full classes on the figure — normal width images have no extra class.

Gallery cards additionally require: .kg-gallery-container, .kg-gallery-row, .kg-gallery-image. Ghost validates these are present during theme validation (gscan).

Image srcset output

Ghost automatically generates responsive srcset and sizes attributes on <img> elements inside {{content}} when the image was uploaded to Ghost Storage and resized copies exist:

<img src="…/coastline.jpg"
    srcset="…/size/w600/coastline.jpg 600w,
            …/size/w1000/coastline.jpg 1000w,
            …/size/w1600/coastline.jpg 1600w,
            …/size/w2400/coastline.jpg 2400w"
    sizes="(min-width: 720px) 720px"
    loading="lazy" width="2000" height="3000">

External images and Unsplash images are passed through without transformation.

{{excerpt}} — Plain-text Summary

Strips all HTML and returns a plain-text excerpt. Defaults to 50 words.

{{excerpt}}
{{excerpt words="30"}}
{{excerpt characters="140"}}

If the post has a custom_excerpt set in the editor, it is used as-is and the words limit is ignored (the full custom excerpt is returned). Only characters truncation applies to custom excerpts.

{{img_url}} — Responsive Image URLs

Transforms a Ghost-stored image path into a sized, optionally formatted URL. Returns undefined (renders nothing) if the image value is null.

Basic usage

{{img_url feature_image}}
{{img_url profile_image size="s"}}
{{img_url @site.cover_image absolute="true"}}

The first argument is required. {{img_url}} with no argument logs a warning and returns nothing.

size parameter

Maps to a named size defined in the theme's package.json config.image_sizes object. Ghost inserts the size into the image storage path as /size/w{N}/ (width) or /size/h{N}/ (height) or both.

Themes define their own size names. A common set of conventional names:

These names are not built into Ghost — they must be declared in package.json:

"config": {
    "image_sizes": {
        "xs": { "width": 150 },
        "s":  { "width": 400 },
        "m":  { "width": 750 },
        "l":  { "width": 960 },
        "xl": { "width": 1140 },
        "xxl": { "width": 1920 }
    }
}

If a requested size is not declared, img_url returns the original URL with no path transformation.

format parameter

Converts the image to a different format. Works for Ghost-stored images and Unsplash images.

{{img_url feature_image size="m" format="webp"}}

Supported formats: avif, gif, jpg (alias jpeg), png, webp.

Ghost checks imageTransform.canTransformToFormat(format) before applying the format segment. Unsupported server-side conversions are silently skipped and the original image is returned.

absolute parameter

Forces an absolute URL including scheme and domain.

{{img_url feature_image absolute="true"}}

Defaults to relative URLs. Required for Open Graph and Twitter Card meta tags.

Unsplash images

Unsplash URLs (images.unsplash.com) are detected and handled separately. Ghost appends ?w=N and ?h=N query params (or removes existing ones) and applies ?fm=format for format conversion. All other external images are returned unmodified.

srcset helper pattern

<img
    srcset="{{img_url feature_image size="s"}} 400w,
            {{img_url feature_image size="m"}} 750w,
            {{img_url feature_image size="l"}} 960w"
    sizes="(min-width: 960px) 960px, 100vw"
    src="{{img_url feature_image size="m"}}"
    alt="{{title}}">

{{navigation}} — Site Nav

Renders the site navigation configured in Ghost Admin (Design > Navigation). Uses a built-in navigation.hbs template that can be overridden by placing a navigation.hbs partial in your theme.

Primary navigation

{{navigation}}

Secondary navigation

{{navigation type="secondary"}}

Internally, type="secondary" reads @site.secondary_navigation instead of @site.navigation. Returns an empty string if no secondary nav is configured.

Data available inside navigation.hbs

Each navigation item exposes:

• label — display text
• url — absolute or relative URL as configured
• slug — slugified version of the label
• current — true when item URL matches the current page URL (trailing slashes stripped for comparison)

The isSecondary boolean is also available to differentiate primary vs secondary in a shared partial.

Custom navigation template

Create partials/navigation.hbs (or navigation.hbs at theme root) to fully control nav markup:

<nav class="site-nav">
    {{#foreach navigation}}
        <a class="nav-{{slug}}{{#if current}} nav-current{{/if}}"
           href="{{url}}">{{label}}</a>
    {{/foreach}}
</nav>

{{pagination}} — Page Links

Renders previous/next page links for paginated contexts. Uses a built-in pagination.hbs template overridable via a theme partial.

Context requirement: {{pagination}} throws an error if called outside a paginated context (i.e., when this.pagination is not an object). Valid contexts: index, tag, author, and any route with data.posts + page info. It also works inside {{#get}} blocks that expose pagination via block params.

Usage

{{pagination}}

Variables available in pagination.hbs

next and prev are page numbers, not URLs. Build URLs with:

{{#if next}}<a href="{{page_url next}}">Older</a>{{/if}}
{{#if prev}}<a href="{{page_url prev}}">Newer</a>{{/if}}

Pagination in templates (typical pattern)

{{!-- index.hbs / tag.hbs / author.hbs --}}
{{#foreach posts}}
    {{> loop-card}}
{{/foreach}}
{{pagination}}

{{date}} — Date Formatting

Formats a date using moment-timezone. Defaults to published_at of the current context.

{{date}}                                    {{!-- default: "Jun 5, 2024" (ll format) --}}
{{date format="MMMM DD, YYYY"}}             {{!-- "June 05, 2024" --}}
{{date format="YYYY-MM-DD"}}                {{!-- ISO short --}}
{{date updated_at format="DD MMM YYYY"}}    {{!-- explicit field --}}
{{date timeago=true}}                        {{!-- "3 days ago" --}}

Parameters:

• format — moment.js format string; default "ll" (locale-aware short date)
• timeago — boolean; renders relative time ("2 hours ago") instead of a formatted date
• timezone — IANA timezone string; defaults to site timezone from @site.timezone
• locale — BCP 47 locale string; defaults to @site.locale

{{prev_post}} / {{next_post}}

Block helpers that fetch the chronologically adjacent post. Only valid in post context; silently return the {{else}} branch for pages or non-post contexts.

{{#prev_post}}
    <a href="{{url}}">← {{title}}</a>
{{/prev_post}}

{{#next_post}}
    <a href="{{url}}">{{title}} →</a>
{{/next_post}}

The in option restricts adjacency to posts sharing a taxonomy:

{{#prev_post in="primary_tag"}}…{{/prev_post}}
{{#next_post in="primary_author"}}…{{/next_post}}

Valid values for in: "primary_tag", "primary_author", "author".

Both helpers return an {{else}} branch when no adjacent post exists (first or last post in the series).

Other Inline Helpers

{{url}}

Returns the relative URL of the current object. Pass absolute="true" for a full URL.

<a href="{{url}}">{{title}}</a>
<link rel="canonical" href="{{url absolute="true"}}">

{{title}}

Outputs the post/page/tag/author title. Safe for use in all contexts where the object has a title property.

{{tags}}

Renders a list of tags for the current post.

{{tags}}
{{tags separator=" · "}}
{{tags separator=", " autolink="false"}}
{{tags separator=" " prefix="In " suffix="."}}
{{tags limit="3" visibility="public"}}

Parameters: separator (default ", "), prefix, suffix, limit, autolink (default true), visibility.

{{authors}}

Renders a list of authors for the current post.

{{authors}}
{{authors separator=" & "}}
{{authors limit="2"}}

Accepts the same parameters as {{tags}}.

{{post_class}}

Outputs space-separated CSS classes for the current post article element. Includes post, featured (if featured:true), tag-{slug} for each tag.

<article class="{{post_class}}">

{{body_class}}

Outputs body-level CSS classes. Includes context classes (home-template, post-template, tag-template, author-template, page-template, page-{slug}, tag-{slug}, paged). Also appends custom font classes when brand fonts are configured.

{{ghost_head}}

Required in <head>. Injects SEO meta, Open Graph tags, structured data, cards.min.css, cards.min.js, code injections, and member scripts. Must appear once in default.hbs.

{{ghost_foot}}

Required before </body>. Injects footer code injections and member scripts. Must appear once in default.hbs.

{{asset}}

Returns a cache-busted URL for a theme asset file.

<link rel="stylesheet" href="{{asset "css/screen.css"}}">
<script src="{{asset "js/main.js"}}"></script>

{{t}}

Translates a string using the theme's locales/ directory.

{{t "Read More"}}
{{t "By"}} {{authors}}

{{social_url}}

Returns a social profile URL given a type and the current author context.

<a href="{{social_url type="twitter"}}">Twitter</a>

Supported types: twitter, facebook, linkedin, bluesky, threads, mastodon, tiktok, youtube, instagram.

{{excerpt}}

See dedicated section above.

{{encode}}

URL-encodes a string. Useful for building share links.

<a href="https://twitter.com/intent/tweet?text={{encode title}}&url={{encode (url absolute="true")}}">
    Share on Twitter
</a>

{{plural}}

Singular/plural output based on a count.

{{plural ../pagination.total empty='No posts' singular='% post' plural='% posts'}}

{{reading_time}}

Estimates reading time in minutes for the current post.

<span>{{reading_time}}</span>
{{reading_time minute="1 min" minutes="% mins"}}

{{comments}} / {{comment_count}}

{{comments}} renders the Ghost native comments widget. Only active when comments are enabled in site settings. Use inside {{#is "post"}}.

{{#is "post"}}
    {{#post}}{{comments}}{{/post}}
{{/is}}

{{comment_count}} renders an inline count for a specific post.

{{cancel_link}}

Renders a "cancel subscription" link. Only active for logged-in paying members.

{{content_api_key}} / {{content_api_url}}

Output the Ghost Content API key and URL configured for the current site. Used when building client-side search or other JS-driven API consumers.

Context × Helper Compatibility Matrix

Some helpers only function in specific contexts. Others fail silently or throw.

¹ {{pagination}} on the home page works when home is also index (page 1); it renders empty prev/next but does not throw if pagination data is present.

² posts is not in the template data for a single post context, but you can use {{#get "posts"}} to load posts from any template.

³ {{social_url}} reads fields from the current author object — use it inside {{#author}} or {{#foreach authors}}.

Context detection quick reference

Use {{#is}} to branch on context:

{{#is "home"}}          {{!-- / only (page 1 of index) --}}
{{#is "index"}}         {{!-- all pages of main feed --}}
{{#is "post"}}          {{!-- single post --}}
{{#is "page"}}          {{!-- static page --}}
{{#is "tag"}}           {{!-- tag archive --}}
{{#is "author"}}        {{!-- author archive --}}
{{#is "paged"}}         {{!-- page 2+ of any list --}}
{{#is "error"}}         {{!-- error page --}}
{{#is "post, page"}}    {{!-- OR: either context --}}