The blog extension provides a configuration for EXT:realurl
.
To get nice looking URLs add the following realurl configuration to your project setup:
'fixedPostVars' => [
'<UID_CATEGORY_PAGE>' => 'tx_blog_category',
'<UID_TAG_PAGE>' => 'tx_blog_tag',
'<UID_ARCHIVE_PAGE>' => 'tx_blog_archive'
]