Struct MetaTags

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pub struct MetaTags {
    pub title: Option<String>,
    pub description: Option<String>,
    pub canonical: Option<Url>,
    pub robots: Option<String>,
    pub language: Option<String>,
    pub charset: Option<String>,
    pub viewport: Option<String>,
    pub og: OpenGraphTags,
    pub twitter: TwitterTags,
    pub hreflang: Vec<HreflangTag>,
}

Expand description

Complete set of meta tags extracted from a page.

Aggregates all SEO-relevant meta information including title, description, canonical URL, robots directives, Open Graph, Twitter Cards, and hreflang tags. Provides helper methods for common checks.

§Examples

use crawlkit_engine::MetaTags;

let meta = MetaTags {
    title: Some("My Page".to_string()),
    robots: Some("noindex, nofollow".to_string()),
    ..Default::default()
};
assert!(meta.is_noindex());
assert!(meta.is_nofollow());
assert_eq!(meta.title_length(), Some(7));

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§title: Option<String>

Page title (<title> tag).

§description: Option<String>

Meta description.

§canonical: Option<Url>

Canonical URL (<link rel="canonical">).

§robots: Option<String>

Robots directive (<meta name="robots">).

§language: Option<String>

Page language (<html lang="...">).

§charset: Option<String>

Character encoding (<meta charset="...">).

§viewport: Option<String>

Viewport meta tag.

§og: OpenGraphTags

Open Graph tags.

§twitter: TwitterTags

Twitter Card tags.

§hreflang: Vec<HreflangTag>

Hreflang alternate links.

Implementations§

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impl MetaTags

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pub fn title_length(&self) -> Option<usize>

Returns the length of the title, if present.

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pub fn description_length(&self) -> Option<usize>

Returns the length of the description, if present.

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pub fn is_noindex(&self) -> bool

Whether the page has a <meta name="robots" content="noindex"> directive.

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pub fn is_nofollow(&self) -> bool

Whether the page has a <meta name="robots" content="nofollow"> directive.

Trait Implementations§

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impl Clone for MetaTags

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fn clone(&self) -> MetaTags

Returns a duplicate of the value. Read more

1.0.0 (const: unstable) · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more

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impl Debug for MetaTags

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

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impl Default for MetaTags

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fn default() -> MetaTags

Returns the “default value” for a type. Read more

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impl<'de> Deserialize<'de> for MetaTags

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fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more

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impl Serialize for MetaTags

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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
where S: Serializer,

Serialize this value into the given Serde serializer. Read more

Auto Trait Implementations§

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impl UnwindSafe for MetaTags

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

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impl<ST, DT> CastableFrom<ST, Initialized, Initialized> for DT
where ST: ?Sized, DT: ?Sized,

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impl<ST, DT> CastableFrom<ST, Uninit, Uninit> for DT
where ST: ?Sized, DT: ?Sized,

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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)

Performs copy-assignment from self to dest. Read more

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impl<T> DeserializeOwned for T
where T: for<'de> Deserialize<'de>,

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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more

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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more

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impl<T, U> Into for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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