It looks like this is a web page, not a feed. I looked for a feed associated with this page, but couldn't find one. Please enter the address of your feed to validate.

Source: https://blog-aff0v3u52.mit-edu.top/post/2058461937

  1. <!DOCTYPE html><html lang="en-US"><head><title>Just a moment...</title><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=Edge"><meta name="robots" content="noindex,nofollow"><meta name="viewport" content="width=device-width,initial-scale=1"><style>*{box-sizing:border-box;margin:0;padding:0}html{line-height:1.15;-webkit-text-size-adjust:100%;color:#313131;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji}body{display:flex;flex-direction:column;height:100vh;min-height:100vh}.main-content{margin:8rem auto;max-width:60rem;padding-left:1.5rem}@media (width <= 720px){.main-content{margin-top:4rem}}.h2{font-size:1.5rem;font-weight:500;line-height:2.25rem}@media (width <= 720px){.h2{font-size:1.25rem;line-height:1.5rem}}#challenge-error-text{background-image:url(data:image/svg+xml;base64,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);background-repeat:no-repeat;background-size:contain;padding-left:34px}@media (prefers-color-scheme:dark){body{background-color:#222;color:#d9d9d9}}</style><meta http-equiv="refresh" content="390"></head><body class="no-js"><div class="main-wrapper" role="main"><div class="main-content"><noscript><div class="h2"><span id="challenge-error-text">Enable JavaScript and cookies to continue</span></div></noscript></div></div><script>(function(){window._cf_chl_opt={cvId: '3',cZone: "blog-aff0v3u52.mit-edu.top",cType: 'managed',cRay: '9107a8156a2fd647',cH: '9jHXlhiFDDTtnmwWIwKaxWq5t0j9.GOW.CC7chVM5bg-1739311696-1.2.1.1-2.hezD2GOAsUSRkBXjpyZUu8ETcrKEfde_0vHxrVSMOPn4nBkSTJyKPZHjYNX9Q6',cUPMDTk: "\/post\/2058461937?__cf_chl_tk=RXPMkEiG6ZgtW1TSVPBddEgmdHpoMOwlf9rpzv2f8H8-1739311696-1.0.1.1-DvBvkkE3ZblHbDzhp9IHW3iWuSmGjU26Jj.22GQRodc",cFPWv: 'g',cITimeS: '1739311696',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/2058461937?__cf_chl_f_tk=RXPMkEiG6ZgtW1TSVPBddEgmdHpoMOwlf9rpzv2f8H8-1739311696-1.0.1.1-DvBvkkE3ZblHbDzhp9IHW3iWuSmGjU26Jj.22GQRodc",md: "Mk6MV9k5ubTKRy0ewZbMpsIDUHoUL9Ta_klJK1NmTIc-1739311696-1.2.1.1-GU.ZbQhORSnC3myl9PuxLcO0pL0Ggpe3.gjvjVVx19K8gbJbYY1gsXtzDFmG0zKy7kdJZ9bjcIhTqGdEUODJvB2C5mBd.8_Xc6_UJb90txnwk1sJQMj9EEV3BB.FY7WOkKAtC0y7byYJ6ciBU6s4yI8yluwWtP9B_uEGvCPKRdo0fiPS9aGncumdts0BnjSvOjcJ2H0vJUsfQwX0DEqLXZFR.P7vuZzkfPoXvKjNVBwZ83iE1zB0edTXP4LposNOXCALDru5VL8ZU5p1fd8axJalBE1UpBDmewkPE0n3UMyNz3iRVCanO.ugms3Q6XO5MxYUcIrR8bKwM0sPY7KmhTK0HlH7zA_tuhAXAnuMHqD0zhWt4YwGp3nc68S9gvPlF.PFWoBW0oOISjqbtkzsnXihkhzxvOowLE1hjdH1XzFuC0Gt2u9MCA_th27D9UhmsJaFi7dJHxQecfYFdncDCoRwk18qeZLQ.cW111C5x10C2ynE4Dt9s8C_v692ltrxPGohre9rOLs1gOb_5KzGNIQR6GdkIuvQiat_MHKWxDVUnkiVH0D4CiQKap8o8htv_iQuu4ssrPLhp4.rYvBy2lM10aALPWHx5ArH9IyJg.TWki5ugDBTnslagzcQTdJPT7zcComJ0XOnZlVWvmfJbGVtsrq5GTWkpWV6oy6LXykz92BGEQJyM81B9876zvyFgkGEPmulG3c7Rp3m3RnkG8mKJZ9qGKz1.xoyTDuAw6Qn1yo1fX1q4v8dIvdto4R29eaCqnGHSC6xw4MRGGeE8KAG0dkrygHXbALJmcya7rioJGtwThjWYuNEl6fMA63gI64qvpfH1XFqi4ZRvxmtY8msP2cSRIeI6QW5IC0ki.nZBaJl9qCbf0cqd6BUnqSCoTW9wHJRx7Tnk8y4XAgciA6BegFktO2OOaHv3U8HM.iC2NVJ8OVQhUOeT4UWG5szCuEspXLXJ6f9vxLEHWTEhK18ftxxovJSl0qI04vAj6TubLK_MJgy_gCDi88dkqDCBqemd5fmXaEUgMdrBDQD0KU8m1AQsBswdudjIKquA9jO_rKYOJuibTM_qQNskzixzSxv184KzV4ysRNZr_qpDzqTb5U3tTin_1WZrJOaE.rrmRLtapKmwKz1DFZveDxy4UeJBIqIy58pT.idAmpU_EssRnTfoCZ0_2rWEn5a4Kshx6MQnGNqpDGCcyl21GH.lN4tkaNDV4QIa5XJUr8mJ4crCDqgI7i8QP7Alz8OAKzZKBQe7AuGkGni2Nr1mzsFoagK0V_R5CBONBHVDH3fi3Ltg.PCcpocEJjLpBVp66HU7WJR4om2U3sAhdF7n.QtKgW4ErxOtBb6Zpypd18q3DzCivAi36AriAzNXuuSUa6qsIPvHQQykyBi0HIX2zo0NGidzlL4r2cvDzqG4S_XMz.kILw2colbKuvgP9DCtv7D1dip3Ejvd7tIChRgh0.Sx_FQqr7esQI6wDq87P7UJN5aq4rJYZMuO1HVk7fxOWeg92IU.19vvjBzKwXsZcYBgsz_QR4w7r.XoEMctMKl7QoIyK6j9dn7dMZL1BEvqnSexC2umfgNot1iRUSiQC.qa_OXjwDMcQFpheDpKCYvUx0UMXDDqi11MOUuezfl5bxYVnycBHcxNrgO4Y7UCmQ72voFgrTDOw51pZcrrisotE0Nyd2mh_ZYcBeIDO2niijZjthClHe1LLtTDIIhevTYmNu2YDoqR06879llWSlfPELs1TjUZBCcwUwdB2zhagBPukNXjcOXuzZCq.qz2OVcDiw3kW49pEDcZrIbMMxcLc8zfvPiPbhneSK8KktsS4kYZSNLqjrL2aXjecWAzlmvSKLtSj9n05BNHcOA55Umbvc3PJt5R8F.a_n6g3D_7b6Mxeo9ZNImRFspQ84amOIWx5hB21OVd4PUiQwCQTptXJ.qvfjSYI9NQJcWsPvQ7cKUf14eT4icEipULXUdXD47o3SpZ0MpmislvAx5HUz.OO99dy1u21KnyUlpLqEoQoCYv8uk.2NbMJ.UCZZd3nsRg_qCa2tG8p_RUqkCeUf9wDM4bp7cJ4W4.iViQAU2Npn6NQb3gPs.6JUeU3HVYfbhkoyFHrPyy1tOstbRMw10rCYwdbUtlZC8Rg3XinHlnGuQxaA3X.EK142dc4EnDOrA5MCuKQSMHYL7_oIATVsnScjgNMcE0sEyyMSU5yX0SBrvsZE3mOmJsamQQNbxyWb8",mdrd: "SIvD9oBmIFmkPEyxDsmpHGYq9by7yYdclSqV3nBSPiA-1739311696-1.2.1.1-9kqPqUgvie4ya4po7Go3b1gc5lHI8Tmzf7_X3jJZY22oIxDWEdBlUDGWp1RXlcqKvik0eGrT5rC7IGzLSbP88a9hW2y7OGPz6VN_NNa4HymKuJviyfJvgdKvNhVgHKoa2WZZDrGJ.aQcIMgCr2TTlx9EJy0YGflS23A4a3xd1xC0OmI_bY70SAblLGm9HXaBlX0lGjEZSdAUGHyJpfMcUDmCCZLSiVQnaX0zHcl6EYiRoXN4JKxk8tTSeCbQFKZBIDyIrXS8MnMTgkg42ec8Y.z7f_zEZGpXIKRo7jHdW6FRtNWOX5SNsX0GGQGMLGkKqiv9hiDshPhxJ8VOlQGeJrxk8WR1tIOkFTK23lM9pluOlhNQSU5aOOdkB6mRiYdrlk_A0N0DupqRIysMLpffI4QGVSON2RcaZpdzo0tUjD4ih7Df07j1_y2RsNE5a2iXSDl8ap4oVQbqFKV0yTtQdynzNcMpGHyXGho4cd2Q.mG_ytwQM2.IdwG9ime5buiGpzymt55ZWu.A_6y9dQ2kiKHLllMKEiHaIUDUSpeSwqVspsVPw4es.S3YunMGLMa35dlMyuuw4BP5b9SxYCr0nqh6pLrZu9CRN3iUVg5egaCOOwYKxdoG7fZAPgnpXjMWIiIZqfkQBGbQnPM5K8fpLz74QauazwkP1eVofbtFge4XiR7qG1CbMcRvD.Opo5nESMQ6OfI8WbJP9y54pG64GXldHzYEx6Q_uy50u4o496DGf8BCqJeREF6WDEBbFjkW9a4mshbPt_hR734jEMmD5q7k7XGW83yweGsBzitb4a3buMNVcfKWtI8ujgVMjEbm1XdGjyOuRZCm0kYRdjblR97YYOwFnPWwZRNboq6282O1BRU9mOH448IILqyNnglyB4AoGi70N.8fcCLNjcaHx4aVxwX54MbzIqs_oGu.vjmKltDHrv0MqyZJLvW287wHm6ixk_Obg1qgnwqEWceY7eNap0g2Isb4Xt.VKDpKKI9.gy7l9pVQsldADAum3RMLerW7Un1mHHEff0yid1IiBU5WRqWbR3Igxe9g_rjWKsnWpyryvd7uzkIFmK7_cRPWqAab2vhgWenJuyPnTvQLSoMxOPTNk0yl8FdlDpYR1Jmhp2KcfozPsYJQfadVOwwPXtz7GLGeRhmTxu_dS_RDpnCzpSddkBLoEg6HNfI5Cb39R_aasCoZMBD0kIFG5SFMUrsWgv5PLY7WRXUk.Dj4xYHnSIdMnmtxZGA9LKVJPYG7D00q3_MVP_nV5MkyOOd5aTnbBlnIAsl3h6ApIKHka9mUBQvsMF61_qooz5PQIaQ_22DvMJ2vee.SWbvd8LlcJsQJFWYG3mUT.1wwbCaTkVrvJ.GTsJ_AxUzIJAY1rsJzuBdXfer5hVWYfPiW7Kaz.k_8jeg7WIjSda1W8pXLkGDoPKDHrcs_eQhsr.sdpm5PL6NrD2N50tzwNt.nfVCh48Y2QdRyr8Cv58mX79HoJNF9gerwILtzyRZVoiGx6aI.BIflVoAQeBKHvSOZp16rzaRl3brQfWgrDP20V8O1BT.VwfezsE9ZA7.tmWmSHhGx_AxCun.gMMrwEqegdsKKlMDGjFKr2aaEqd.NUsAqW.kYPeRLY7YuIZUgBe_NlnCDLtiEmJqIaOMzjlorkihwmD5QFngyi26VwNteVz1MzWtltoD3XBtsM6FMyaj0uzYJ9OAPMLmSGXITj_ADZZ6AUN3FacDRetOpDcTKLm3ShA3RSPIsTcYS5OoLeSi8Xd_LPA6GzDC3iVGrUZqK.lQBfoDmqe76oihuqlVwNu7w5A"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=9107a8156a2fd647';window._cf_chl_opt.cOgUHash = location.hash === '' && location.href.indexOf('#') !== -1 ? '#' : location.hash;window._cf_chl_opt.cOgUQuery = location.search === '' && location.href.slice(0, location.href.length - window._cf_chl_opt.cOgUHash.length).indexOf('?') !== -1 ? '?' : location.search;if (window.history && window.history.replaceState) {var ogU = location.pathname + window._cf_chl_opt.cOgUQuery + window._cf_chl_opt.cOgUHash;history.replaceState(null, null, "\/post\/2058461937?__cf_chl_rt_tk=RXPMkEiG6ZgtW1TSVPBddEgmdHpoMOwlf9rpzv2f8H8-1739311696-1.0.1.1-DvBvkkE3ZblHbDzhp9IHW3iWuSmGjU26Jj.22GQRodc" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>
Copyright © 2002-9 Sam Ruby, Mark Pilgrim, Joseph Walton, and Phil Ringnalda