When you add a popular post widget in your Blogger blog, the thumbnail size is limited to a default value of 72×72px. This size might appear very small in your blog and may not look good in your Blogger template, even after applying the CSS. There are ways to change that thumbnail size using JavaScript, but JS solutions will create additional requests to load images . So in this tutorial we will see how can we change the size of thumbnail image in the popular post widget, without using JavaScript. Read more »