The the URL address of your website, use your Tab key to tab through the website. It will tabbing through every link on the page. You want it to tab in a logical order.
Tab: Navigate interactive elements (links, form controls, etc.)
Shift + Tab: Navigate backwards.
Enter: Activate links or buttons, submit most forms.
Spacebar: Activate checkboxes and buttons, expand a select menu, or scroll the window.
Arrow keys: Navigate radio buttons, select/dropdown menus, sliders, tab panels, tree menus, etc.
Visit https://webaim.org/techniques/keyboard/ for more information.