Creating a site gallery for a designer

The last work is a pretty interesting project, a multi-page site. Completely self-written, the exception is a piece of code to extract photos from Instagram.
Adaptive and cross-browser. Despite a large number of graphic heavy content, it was achieved high downloads and page delivery rates for PCs - 95+, and for mobile phones 85+, according to pagespeed report.
The used steak:
jQuery, scss and bootstrap.