need help in html page and file security

Dear valued client, I am thrilled to submit a bid for your project, as my expertise aligns perfectly with the requirements. I possess a thorough understanding of technologies required for this project such as PHP programming, HTML and web security. I have hands-on experience working on projects similar to yours and am confident in my ability to deliver this project within 24 hours. I would be delighted to have the opportunity to discuss your project further and answer any questions you may have. I am available to start immediately. I appreciate your consideration and thank you for taking the time to review my bid. Kind Regards, Sanidhya

Hi, user should interact with the page to can play audio, did u checked it? Thanks.