This is my tips for today. Increase or decrease the text size to our need. Don't worry, this is very simple. Even my 3 year-old child could do it! If you are using Firefox right now, then you can try this pronto :

Here's how:

To increase : Click View > Text Size > Increase (or hold down Ctrl and press +)
To decrease : Click View > Text Size > Decrease (or hold down Ctrl and press -)
Reset to normal : Click View > Text Size > Normal (or hold down Ctrl and press 0)

Please note that this tricks may or may not work with all web page.