The author highlights the common issue of losing track of table headers when scrolling through large data sets. By adding just two CSS properties to the header, position: sticky; and top: 0;, users can easily keep track of column data as they scroll. The feature has a high global support and provides an improved experience for end-users. The author provides a live demo on CodePen and encourages readers to explore more table-focused content on the website. The simple solution presented can make a significant difference in user experience when navigating through tables.
https://btxx.org/posts/Please_Make_Your_Table_Headings_Sticky/