Improve the accessibility of this tool

[NdibeRaymond]

Is your feature request related to a problem? Please describe.
Running lighthouse audit pointed out that this tool has an accessibility rating of 74%.
that should not be so given uncomplicated this tool's dom is.

Describe the solution you'd like
Increase the accessibility audit rating to 100% or something close.
This will make things easy for people who temporarily or permanently finds it hard to access this tool because of some disabilities

[NdibeRaymond]

@tonythomas01 let me handle this

[tonythomas01]

Thank you. Can you start by making a phabricator task under https://phabricator.wikimedia.org/project/view/4068/ ?/