- The contrast between the body text and background is to low; it makes it difficult for people with visual impairments to use the website.
- Font size and font weight, the font is too thin and adding this to the low color contrast, it makes it even more difficult to read.
- Images that don't add meaning (textually) to the page, e.g., the logos you use on the "Agile and precise" section. It's a good idea to add `aria-hidden="true"` so they don't "distract" screen readers.
- Also, several images don't have their alt tag, which describes the image to screen readers.
- I can't navigate your website with my keyword.
I don't want to sound like a jerk, but your company builds assistive technology--yes, a phone is an assistive device--so it makes sense that you take care of your primary point of sales, your website, and make it accessible to everybody.