What are the potential pitfalls of converting PHP pages to static HTML pages?

One potential pitfall of converting PHP pages to static HTML pages is losing dynamic functionality, such as database queries or user authentication. To solve this issue, you can use JavaScript to make AJAX requests to a separate PHP file that handles the dynamic functionality. 

// Separate PHP file (dynamic.php) to handle dynamic functionality
<?php
// Perform database query or user authentication
?>
```

```html
<!-- JavaScript code in static HTML page to make AJAX request -->
<script>
  var xhttp = new XMLHttpRequest();
  xhttp.onreadystatechange = function() {
    if (this.readyState == 4 && this.status == 200) {
      // Handle dynamic functionality response
    }
  };
  xhttp.open("GET", "dynamic.php", true);
  xhttp.send();
</script>

Keywords

caching performance SEO server-side rendering dynamic content

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