Meta tags are snippets of code that provide information about a webpage to search engines. They are not visible to users on the webpage itself but can provide important information about the content of the page to search engines (Alimohammadi, 2005).
On the homepage of John Lewis, a UK department store, there are several meta tags. These include:
- Title tag: provides the title of the webpage that appears in the search engine results.
- Description tag: provides a brief summary of the content of the webpage that appears in the search engine results.
- Canonical tag: indicates the preferred URL for a webpage to avoid duplicate content issues.
- Robots tag: tells search engine crawlers whether to index the page and follow its links.
- Author tag: identifies the author of the webpage.
- Keywords tag: provides a list of keywords related to the content of the webpage, but it's not as important as it once was.
Overall, meta tags help search engines understand what a webpage is about, which can improve its visibility in search results.
References:
Alimohammadi, D., 2005. Meta‐tags: still a matter of opinion. The Electronic Library, 23(6), pp.625-631.

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