Jekyll supports the use of Markdown with inline HTML tags which makes it easier to quickly write posts with Jekyll, without having to worry too much about text formatting. A sample of the formatting follows.

Tables have also been extended from Markdown:

Here’s an example of an image, which is included using Markdown:

Highlighting for code in Jekyll is done using Pygments or Rouge. This theme makes use of Rouge by default.

// count to ten
for (var i = 1; i <= 10; i++) {
    console.log(i);
}

// count to twenty
var j = 0;
while (j < 20) {
    j++;
    console.log(j);
}

Type Theme uses KaTeX to display maths. Equations such as \(S_n = a \times \frac{1-r^n}{1-r}\) can be displayed inline.

Alternatively, they can be shown on a new line: