Benchmarks

https://browserbench.org/Speedometer2.0/

GUIMark2-Gaming        | http://www.craftymind.com/factory/guimark2/HTML5GamingTest.html               
GUIMark2-Charting      | http://www.craftymind.com/factory/guimark2/HTML5ChartingTest.html               
GUIMark2-Text          | http://www.craftymind.com/factory/guimark2/HTML5TextTest.html                   
GUIMark3-Bitmap|http://www.craftymind.com/factory/guimark3/bitmap/GM3_JS_Bitmap.html             
GUIMark3 Vector        |http://www.craftymind.com/factory/guimark3/vector/GM3_JS_Vector.html 
GUIMark3 Compute       |http://www.craftymind.com/factory/guimark3/compute/GM3_JS_Compute.html
HTML Canvas 3D         |http://www.smashcat.org/av/canvas_test/                                         
CanvasPerf-Benchmark   |http://flashcanvas.net/examples/dl.dropbox.com/u/1865210/mindcat/canvas_perf.html
MotionMark             |http://browserbench.org/MotionMark/                                             
Octane 2.0 JS          |http://chromium.github.io/octane/                                               
Kraken Benchmark       |http://krakenbenchmark.mozilla.org/                                             
DOM JS Performance     |http://dromaeo.com/?dom                                                         
Aquarium(WebGL)        |http://webglsamples.org/aquarium/aquarium.html                                   
MenInBlue Bench Canvas |http://themaninblue.com/experiment/AnimationBenchmark/canvas/                   
MenInBlue Bench SVG    |http://themaninblue.com/experiment/AnimationBenchmark/svg/             
WebGL Canvas 2D        |http://www.kevs3d.co.uk/dev/canvasmark                                           
CSS 3D Poster          |http://www.webkit.org/blog-files/3d-transforms/poster-circle.html 

JetStream              |http://browserbench.org/JetStream/     

8K Jpeg on web

https://upload.wikimedia.org/wikipedia/commons/1/17/Exemplo_de_imagem_8K.jpg