Create 1 Web Page design in HTML

I want to create a design for my site. Site content will be like Pinterest, mostly pictures.

It's only 1 page

Specification:
- Responsive
- Fast Load
- SEO Friendly
- Pagespeed above 90
- Well structured heading
- HTML5
- Lazy load

Page Content:
1. Header/Web Title
2. Menu
3. Search Form
4. Sidebar => list of category and recent posts (thumbnail and post title)
5. Footer => Website name and some link

Middle content:
1. Paragraph at top and bottom
2. title, 1 big image, description, tag after 1st paragraph
3. Content in the middle: subheading,list of images, and post title in grid style like on Pinterest
8. Pagination