What are common issues with PHP website navigation and linking?

Issue: One common issue with PHP website navigation and linking is broken links due to incorrect file paths or URLs. To solve this issue, it is important to use relative paths and ensure that all links are correctly formatted.

<a href="index.php">Home</a>
```

Issue: Another common issue is navigation menus not being dynamically generated, leading to manual updates for every page. To solve this, you can create a separate PHP file for the navigation menu and include it on all pages using the `include` function.

```php
<?php include 'navigation.php'; ?>
```

Issue: SEO optimization can be hindered by using non-descriptive URLs in your navigation links. To solve this, consider using clean, keyword-rich URLs that accurately describe the content of the linked page.

```php
<a href="about-us.php">About Us</a>