Does Phaser lower image quality?

The .png files and HTML pages I use in my Phaser game appear to have their image quality lowered when viewed in game. All the images I load in the game when used, have their scale lowered because my logic was that if I were scaling down an image, it shouldn’t make the image appear drastically more blurry.

Why is my game overall not as sharp as the images I initially load into the game?
Could it be that I’m using google chrome? I tried firefox and I want to say it looks slightly better.
Should I be using scaler images instead?
Is there an easy fix, like a setting with how phaser renders graphics that I can change?

Here are two examples, first one is an HTML page in game, and the second is the HTML page itself.