This site serves media files in various formats and sizes to profile how crawlers handle different content types, lazy loading, responsive images, structured data, and large files.
Images in JPG, PNG, WebP, SVG, and BMP formats
HTML5 video element with trackable MP4 source
HTML5 audio element with trackable WAV source
PDF files with internal links and multi-page content
Images loaded via Intersection Observer with data-src
Images with srcset at various widths (320w-1920w)
Schema.org JSON-LD and Open Graph meta tags
Dynamically generated large HTML with byte-offset markers
1MB HTML page
10MB HTML page
50MB HTML page
Dynamically generated PDF
1MB PDF document
10MB PDF document
Plain text file
CSV file
Large PNG image