1. Canonical links play a crucial role in managing duplicate content and ensuring that the preferred version of a page is indexed by search engines such as Google.

    A canonical link is an HTML element that helps webmasters prevent duplicate content issues by specifying the "canonical" or preferred version of a webpage. Example:

    <link rel="canonical" href="https://example.com/preferred-page">

    When Google encounters a canonical link, it understands that the page in question is a duplicate or a variation of the specified canonical URL.

    Therefore, it will index the canonical page rather than the duplicate. This is the correct behaviour because it consolidates ranking signals and ensures that the best version of the content appears in search results.

    VB Media will serve all pages both with and without a trailing slash. If you are using a top level domain, we will also serve the page both with and without the leading www..

    For example, you can access this sites homepage at all of these locations.

    https://printhome.co.uk
    https://printhome.co.uk/
    https://www.printhome.co.uk
    https://www.printhome.co.uk/

    Although these are the exact same page, they are accessible via 4 unique URLs. We therefore canonically link all versions to https://printhome.co.uk.

  2. Why a Canonically Linked Page Should NOT Be Indexed

    By not indexing canonically linked pages, Google helps avoid the confusion and dilution of ranking signals that could arise from indexing multiple versions of the same content. Here are a few reasons why this approach is beneficial:

    • Prevents Duplicate Content Issues: Indexing only the canonical version helps maintain the uniqueness of search results and prevents duplicate content penalties.
    • Improves Crawl Efficiency: By focusing on the canonical version, Google can allocate its crawl budget more effectively, ensuring that more unique and valuable pages are indexed.
    • Consolidates Ranking Signals: All ranking signals, such as backlinks and user engagement metrics, are directed toward the canonical page, improving its visibility and authority.

  3. Read more about indexing and reasons pages may or may not be indexed here.

  4. Why a Canonically Linked Page is Better Than Using a Redirect.


    1. Preserving User Experience

    When users access a page that is canonically linked to another page, they can stay on the original URL and still benefit from the SEO value being passed to the canonical version.

    This preserves the user experience by keeping the URL in the browser address bar consistent with the page they are viewing. In contrast, a redirect changes the URL, which can be confusing or disruptive to users, especially if they are repeatedly redirected.

    2. Efficiency for Search Engines

    Canonical links are more efficient for search engines compared to redirects. When a search engine encounters a canonical tag, it understands that the content on the current page should be attributed to the specified canonical URL.

    This means the search engine can continue to crawl and index the site without making additional HTTP requests.

    Conversely, a redirect requires the search engine queue indexing the redirect path, making an additional call, which can slow down the crawling process and eat into your crawl budget / limitation.

    3. Avoiding Redirect Chains

    One of the significant advantages of using canonical links is that they help avoid the creation of redirect chains.

    A redirect chain occurs when multiple redirects are set up in sequence (e.g. Page A redirects to Page B, which redirects to Page C). Redirect chains can cause several issues:

    • Increased Latency: Each redirect in the chain adds latency, slowing down the page load time for both users and search engine crawlers.
    • Crawl Budget Waste: Search engines have a limited crawl budget for each site. Redirect chains can consume this budget inefficiently, leaving less budget available to crawl other important pages.
    • Loss of Link Equity: Each redirect in the chain can dilute the link equity (ranking power) passed from one page to the next, potentially diminishing the SEO benefits.

    By using canonical links, you can directly point to the preferred version of a page without creating unnecessary redirects, maintaining a cleaner and more efficient site architecture.

    4. Simplified Site Management

    Managing a website with canonical links is often simpler than dealing with numerous redirects.

    VB Media automatically adds canonical tags directly in the HTML of a page, meaning there is nothing for the site owner to manage.

    This simplicity is especially beneficial considering the average VB Media site is quite large with hundreds of pages.

    5. Flexibility in Content Presentation

    Canonical links allow for more flexibility in content presentation. For instance, you might have different versions of a page tailored for specific audiences or regions.

    Using canonical tags, you can indicate the preferred version for search engines while still serving different content to users without forcing them through a redirect. This approach can improve user experience and engagement without compromising SEO.