Combine various sheets/multiple number of followers into one big sheet

I have started a project where I will be adding my family and friends into spreadsheet posted on a website, tracking how many Instagram followers we gain each hour, each day, split into various sheets.


I want my website to have various sheets & charts with names & details, updated hourly, daily, weekly, monthly & yearly. So far this Google Sheet script only feeds the date & time but doesn't replace. Does anyone know how to help?

Google Sheet script:

// the name of the sheet within your document
var sheetName = "Sheet1";
// the name of the Instagram account you want to track
var instagramAccountName = "kingandmcgaw";

function insertFollowerCount() {
  var ss = SpreadsheetApp.getActiveSpreadsheet();
  var sheet = ss.getSheetByName(this.sheetName);
  accountdata = getInstagramData(this.instagramAccountName);
  sheet.appendRow([Utilities.formatDate(new Date(), "GMT", "yyyy-MM-dd"), accountdata.followerCount]);  
 };

function getInstagramData(username) {
  var r = new RegExp(' Up arrow icon