Using internal CSS for each HTML file in a website with 25 separate documents can lead to several issues:
-
Repetition of Code: Each HTML document will contain its own CSS styles, resulting in redundant code. This not only increases file size but also makes maintenance cumbersome.
-
Inconsistent Styling: If styles are duplicated across multiple files, any changes or updates need to be made individually in each document. This can lead to inconsistencies in design if changes are missed.
-
Performance Issues: Loading multiple CSS blocks (one in each HTML file) can slow down page load times because browsers must parse and apply the styles separately for every document.
-
Difficult Maintenance: Maintaining multiple CSS rules scattered across numerous files can be a significant challenge, particularly if the website grows or evolves over time. It increases the likelihood of errors.
-
Scalability Issues: As the website expands or as more files are added, having internal CSS can complicate scaling efforts and make it harder to implement global changes.
-
SEO Impact: Since search engine crawlers may have to deal with multiple CSS blocks for styling, it may have a slight effect on site performance—all of which can impact SEO negatively.
-
Development Complexity: A developer may find it harder to manage and debug code since CSS is mixed with HTML content. This can slow down development time and complicate the debugging process.
For these reasons, it is generally more efficient to use external CSS to consolidate styles across multiple HTML documents.