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-312402545793.mit-edu.top/post/9784316205

  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-312402545793.mit-edu.top",cType: 'managed',cRay: '910db566098b0625',cH: 'D27bmn9Wa48H6AzXAP8AyiZg6dxJHukOEuYdafkh.EY-1739375156-1.2.1.1-zhVRPDId53WThwoGq6wGSxYLqFn7uZjRvpD5uAkOJUacp_Wv.UG5e1yMVVG_PzJD',cUPMDTk: "\/post\/9784316205?__cf_chl_tk=TBRNpOBD7gxgIq9CwOo.Byj8GRsnGQCj8hka5f6W8GI-1739375156-1.0.1.1-h2JTUQyd_Uhs5rCnaB0E1X4G4HgrB6e4E9Lwejy8aM0",cFPWv: 'g',cITimeS: '1739375156',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/9784316205?__cf_chl_f_tk=TBRNpOBD7gxgIq9CwOo.Byj8GRsnGQCj8hka5f6W8GI-1739375156-1.0.1.1-h2JTUQyd_Uhs5rCnaB0E1X4G4HgrB6e4E9Lwejy8aM0",md: "B7un_nK3JicHZBG6YBpnhefmCSSY8mh.XaKdSzHItOg-1739375156-1.2.1.1-EWPaB8njoUPH04Mz.bBp9Mzr7pD0HDutNLbA6A98nimz1RJYpa68DcGFa7ZejMtaxs7XdNqQ0MDFQj50vOW_UYMZ6dDRkYnMyVxxOyRQQFDT9.PYmAooCaeMC69hvtPaYyV4PiRhvfNXT7MCsi3WWDadhOBOE0x7IXNm.HAiqvBG8rjFZwxQ.LcVwa5ynQUfW9eHcoEJJqVT_aiwxt19UlM9hbldw3huuzt5x8vm7rZfjXzJkz_QrsjNVnDSdwP_0Yi_yPK0rwh6A.xuIzwTktuBcOzrZMgcUY2x1V4uy1GTX0pUfgUoyHCdUi561zkZBgaC3j0PoIJCuSPmFM0RCGVIyimuP079YLYmQYKdEmAWeC4PogNENJ02lp8jgZmcrGySxWlUwZ2hLpC4pWG7NFCaBXfbpsDeQLaTqugK0CQdJTXGiOrYpwDOq.vdV1LK5wF6l8F8nwmEGrsGbeVpqcmjkOKpK3ejjiCXu23PGjqlimHU21OrsVIrEn009nH1t.jTR6qlF.OBexYUcEbQDYbqEoBiFMEnK8lvHW9_h40rXJ44nkbFjastN7jCCPQe3JN4cFXyBWhDerhWNRUbCzfx91M2azzFF6mUkFkSleiK.lzFfb_kQjxp6rltVgNkglKAJ38a9Da7K5XjaVzeKjSSFEXkQRGUoMMdRUnydr19ik_uzvtp2RnMDc2zpvWpKRACGvWsNPbqhrBUiQROjsbHepS9y.wXpDAA9eXso3oWhe_8nEzYI4trUpWcVaaZr5YGk9gGyVZc4016TmNPdhsngQO94V7pownHm_8fe0aocGKjRAu8NFK8fQoxlctBHoKhv1kZGfQNXvOFF.4Aj2fZz7lnVRwufvx3iGAp9Lkum0q2ityHoUFsrY8V2lc9pSJVtYhBecXINHcLfkfGM40JeETTPc1gJ5nFZGnszzYJcyf8d.oisG.Qzvxheo8wg8nXpwvgGZzV4EQHdMcrRheBHeymFZwyIhq.DTuayFUp3KvzZlGsPU3VTqTN1Dk2tSC0q2taawHC5MjxzyovefIhYio24_bqNtfc6fpEF32tvOiOHTIwVi9OdTPsr7uBIWD6sN2tfVeR8D1bD7gl48iCvEddPBV1MLpq6L11fc7LXx4kg_IQiUwdmYa0XSRzQjys0pMgd9TnCYileHWKtVMi6xmDaRt1kxo.Tqod5EE9JQOUs1eby2V36lVIM83ldm9wntxqpgV0XGBYb.m9x0QCHIqjSRJ0DrJ5DsKwsY.v7e9U.KZQtMlPkmUA41ZlDcZoMoz.894z.0gWWoaQbuydDzytpwfkiwGwtf0G_gR3PEfCILiEYQF3mL7f4HEXUGwHNUlGi9XWkV4Gq7zvIBBw.9cqJSDrbwzcOcetWsyGJtb.YiZPKHgikCWrGhcId5uFQkXVFKN0t146Q5l6DY_nEswmHrXXngKzzoVZ7Tj3lY29BnHwSXGqPR9cvPKkmBdJHO7fPNS_kvC5d5u6A54iJIaQeV2owB4tAUDJNOPrHf0aeKIzIULe9OIrC6KCjZ.5O4wlVrPTCl8UVrx2dPDy90LkQRVMHO.QIDOptBuSs5rE4MwCKn3KdEinyU08FM.Wp5FpZJxQnR1bTn4JZktPka.ZNoCfZRB.mM7ATDhLDW4C5JPATEifgzL1XedhZDtey0SaLG31rz78g3yopEuRdTE38ytL7rLSnRs8ztSWZ8f68kBMxO6ZDFAZ2miJsMBSeedTN.UekAWf.qVI.mOrh7_Hu3wT_qUJt2jYqz3MFR3FNCI.ur7qaHDKVlq1Z9b9qs3rU6BY2jhaQmXTeQtPs8fFa5Q3bqMImeckwlxf44m0BBDVwKX0HCSqY_aiJTsfxR9TQBeb803t3pY5lwtahfBUqQTzFxFcoY9anoPBt9KnSWiilIRAoSGGF5RzjLpyICxOoa6Hkauf3JKQfQaeucfMmQO85lhHWO6KGsD7jRjENbnMRzElUi1H2Tu93WKVqISUa61MyxrEbvs8mlbGFSeeuBEZDYxzQhWrLiHxM5V5hzjysDHSf_rY4Xu0bhoYPChpJMDUIkhKcrvfqKNB2MFmnVpmefbyF4JTKNwlSwyOXYF3IMik5UmROBhTYZY2a0cIsnz1e3h8Npw0KT7JmDug9X3kDwthJmqNmXlZGsk1aIfceXCwSSAxsNchnGqXhVebz0VZ.b3Z4UKa4uUo2wOw33X9Ky5VOvNlo8Ya4MK.VdW7XggD4KGc4QXZ",mdrd: "rEbhL8p6JYkz.qHOFivuFJKxzOsjutF2DZ_eqrT8B14-1739375156-1.2.1.1-U_ZzqrwrFqMvSX3WsqGYkEcTLDfqaloENDPvuTrc9yYEvrSAjf.dbxmyKYMoQmi4YLd.21hZkTfORGzhteobxm.7XPCD8X_uk9qMT27OX6AbrUYjjAMkersqX14ISZkMKrW6X5b4iL8xxYlawH0NrnUS_6tVaqO9jVzNNHdPkxE3mGZC1IKGVE304pmqMcVeLdP.G7cZFZ8TdQdRC1BCdfhAjd1bL.cb2CSpUPN9bo7PHHfo5eSADTIka0_KLDVVK9UR3Tdj6Q0aGTy7.0wc.NUhm8kR1Sh8fs9Zqt72qO5tA78xzUKPu0OfWDjHQYg_m6Bj.YhC4k77S4o3hK6a4yJXNmNJJ9dCZFZOvL1sWOJu.7_oxMjC7Ldi1kWgw7EkjJiNpsH5M96R9moss9UmXnpQXdDPeGTkSMiv1_5nOGmch9lUOTDuzoQ5jpKYSq7Egvy66zw7OiuGUNofyACRR.JGPa13SiGnyKouXDHNUxHnID2JVQpQDyTKPVy2W5K2MTMspPcpHlRnkGup4aMy1zxXeR89krQDoTKF7yvVNJGc8b4WIYcPc0cjpzzbnCbI8ZCE1mlT_bJcwcAhvPPGEDy3pZEyAtMXAm3e77xNUSapvbYVUX5qt8cG.Aqodm_8gEdX9y3kWJfVbM_DjBLjxPaZB3VvkU04GTqMiMGoWGIauE2r0ppHy1f7icx44MY_NAKKP01XNfIDTpmZzIYS_29zoJ7dfIrBGs9_Yn3ZLB2Uzs5TIjeq71cFd9UN.pO0V5FGwnxIjGGagY2IsUxAqWaNOtHXgxthmwXYik49eu7QA.GH_Q6SfHQmDmlkf8g0t.RtzZpw.On.vezImH.Cc1eDA5GJioMZLUdO.rXZC9WnppaC1oJpJgKIhcYfPf.C6_zuBEn6dFYeSgMT_ofneZUpv3n0g6ZNkS1c4msW1ieKkfq3ysFq0xdvLv_WLucL6iIQ7mwmNZ3_M5Bu1ArJKLnU1nTXFk59ssKr38cDLPNPvceCeGl9LqRW6kRyuA.k6pWF02PDXBEL2GYSTdgWOb6X5DsCugCQLZX0WookohyBxZ4rQvZ1smYWtfrd9MmBLozdKypv8F_IxHim7cKn4DsN5Wdtk3kyBQKCvD1LXQy8ezbP.Ew.bvAhypjO062i2Lgxp5h9_Kjw10x.VL2np1WbH920qUrw2mtHzaO9NQHXYOAeOPngn3inmwMtt2T4VDnn.NsTpshJwpYdjkS47LPdcSjBNHryzxk5FMEChPZw0i9MXtF1okHsYt9WiTgS.1wqhGwKPUL1WKlylttEja6C9OZD1JlhXoLBbV6z3mYibne9yiLCQ1xv3FoEh9jOKbAGR5KpZPjD4FmE42vPY90FMzT_gEup9UL62is.j9.BhYpWgH5tOfK9ghituzjf2o7k.zQ6akw7mo6UInbaRVPuk5E6ZTWhRuM4cY6jSbJQ7Rt13GJaSOX2wtlqEbluEpQKAM2FHSPfx9kMBk0edXp3ngITBxeQrX3NUxTmemoZbU4TUlJsm8UPWwuvoSuVEYZsf1k1BVmawCDJQI7KJI6Uejg80NUe3h5VsdSR8C31lw6ZOdCJAVX2_iLwkbf1xgxo.EZUpdhIjOFas99nGjLmAQ9MUyvMo33e7DsQFUwfRkPT.GIDTWv6TJmSZVFVyPh7ac4kkSNQKUU8us5_V18B1v.U_VYzHQWfoeKV2K5MuRue2Zmt87zfgifTFLX3BzAh0UN754SEHSl.QrDSYPX5GuCOBudcA1LUCFuF7L_waTkrlDaA_uQR2TCxn0u5ljNMXZVq0cPJMnkWsbX6PdQ9vnK7hbXcp6VjwSCywt8"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=910db566098b0625';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\/9784316205?__cf_chl_rt_tk=TBRNpOBD7gxgIq9CwOo.Byj8GRsnGQCj8hka5f6W8GI-1739375156-1.0.1.1-h2JTUQyd_Uhs5rCnaB0E1X4G4HgrB6e4E9Lwejy8aM0" + 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