Fix issues on a WordPress site

I am looking for a WordPress expert who can fix some issues on my website. The specific issues I am experiencing include:

1) Fix the link to the registration form
2) Fix the activation email
3) Fix external links

I have access to the backend of my WordPress site, so the freelancer will be able to make the necessary changes directly. I need these issues resolved urgently.

Ideal Skills and Experience:
- Strong proficiency in WordPress development
- Experience troubleshooting and fixing issues with WordPress sites
- Knowledge of optimizing website loading speed
- Familiarity with resolving error messages on WordPress sites

If you are confident in your ability to quickly and effectively resolve these issues, please submit your proposal.