Yes, it is possible to reconstruct the website while still functioning in HTML. You can hire a web developer who is proficient in old HTML to help you with this task. The developer can go through your local copy of the website, fix the non-functioning elements, and create a new HTML website for you. Additionally, the developer can also help you optimize the website for modern browsers and devices to ensure it functions correctly. As you mentioned, copy-pasting individual posts is not an option, but the developer can use automated tools to import the content into the new website. If you need help finding a web developer, you can search for freelancers
omeglz online2yu on platforms such as Upwork or Fiverr, or reach out to a web development agency for assistance.