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-afffexmg8.mit-edu.top/post/2971086543

  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-afffexmg8.mit-edu.top",cType: 'managed',cRay: '91065d8fd9b582a4',cH: 'nVB1xIwzugKkvoOqbHd7VgGPaCD_wyy9qVplCsplg_c-1739298158-1.2.1.1-tAfKrYLmY4Mgd7zSrUgN0YP21xCbzhYuWZljwuOrwrQRQfARp_ZKk7gcQE3AV_.G',cUPMDTk: "\/post\/2971086543?__cf_chl_tk=3QCHbveicf6yQXwQNky_Azfixay.gF0.z5v0LVEbnXc-1739298158-1.0.1.1-18FZ3zdMvJuBySwdIDKR9mfyWIkRbdv.BOswUiiL14Q",cFPWv: 'g',cITimeS: '1739298158',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/2971086543?__cf_chl_f_tk=3QCHbveicf6yQXwQNky_Azfixay.gF0.z5v0LVEbnXc-1739298158-1.0.1.1-18FZ3zdMvJuBySwdIDKR9mfyWIkRbdv.BOswUiiL14Q",md: "PK_jKsGIjwB1qWnHlvwrrxepuLzjafDDXfZ.sLAeSRg-1739298158-1.2.1.1-ZKwzo7uugvotw1xYRqK4.rQt0lQSexNf7.4tPLKYcDhbdeJCjmEaR3DtnmWXaMCtSP7edRSFmOW1JU0ModYw3H953RGxooyLRD5SmqLLV2GH8bXq.u8F2hg32Z3sGygwoTSdfvfnDDeZ2pCXqByvKi8LzHB7q45dku6_92cCRvH5MbkwsTljzhDsfY6MrQBRCWMVQfJnX7l_EVrvPe3LrH4tEEO4m1Cc1.QEtUNiuG_xoIqn6FJepYrtrMKBZXahUzSFf9JXY0KVC_kljL8q6gF4To7SYvH_lgEO8gVslwamB6v8tcbT7ddkLdxnPCgH6qejhNoIPl35DOKxVQXw7dtN4BAT1n6k.reKnP5rioGtvqRlNlSTjwf7m_vgtqpZCkngl6L5Ps099TSLiQcNaUFMGCCkqWrAXxWhPnYgGFu9toFsWbvyyLCH8xZ.tdb2HQWbHrIFuRG7sPbUTF1zTgi7TPL4lOKGFu6rrR4O0mWnXqXj.qyA61Ow3HFRJlMWcwNcjvQ5en8qiG45obkvVUgxQl3ntSKUcN7Cd1b50In0aNYecj0Db27Dcd_0XYmg0bQ6lLHnKAo3XuKRcEEBJCWuhnMGUqSBRte5WESEqRUlUOn180gdr38YcA0jT_amEfiqQm1pUQr0FPM8gOdopJFSOIEa5hetU8NB98QIWP9mIn.59bB6H5hsWYsuAxD6WT2BrInfswk5cLwqt4VNxa4aOMveB.qSF8RPptjB1lHbe6zLGOCwdahtymw4NFRHTZ2cul1seCOsLR9hYmuG5jLg4fDPyNEDHHEN14SEOerlYVwL5jkHCoV3pKOiqx2OiOTak9xw_m9pGRsvHPmItIjvuYLrR24gIZkK9tKN.csUSTnMvGLU5HxfkHOqGPWfLFOI_yqq6O0QFne9Vhg4QjW1bW2DaaD.VhKKIcl6ranXyrDAeqD9evVHCZx4MkNe5Go2ZMgASnbxw39aEkTffn6HzJLlbeGyNLP48nzRdJgOTHm0DeySkLZKLoahT8_NhNs2N_AeBdqjseWa4ZJQS11KcPx9nltvNnfRsqTaVQ_bptfy0y6eOnnvWAtlNgzat7LJosVlKoXBZxypGbrdD854ecu3F.IgH2y0FVDz3Qi7gdjLRh3RzF5eQgLYkdzOdCaJkq44iq2y9yYxusRRG6nrF986u0pvzDmaPDFLVnbu1sFrcBrw0hgPa5MZrRuzCykdhxT7JVGdJt.kFFRbC_vasReQRRgyUV2Pd22kUHHwWd6nQ82K24ept2ilybIEEjHaIeKDTwbQohX0z1iDO2_o6RZcxDDaOGbW.fR_dyfJk82CLk4bmQ1KadK8_zdYlSEdRrZozEV.6GB.j0qNZV6.QXdwjskxNF8Hs0zCvXq1yYUDlEjpIbd7xm6ZVldKYGx8ZUFxnKLSRd.4pMBGvOgjEQih0ZwViYotauZrmyBBSEf1AtCOF8yz50HxmNk1Fsc657S9spD3cwIoyLTY1gxcD8WSuHBsjRfTFmSGggm7OzciM4h.Fj_jBpwXHh5JlesvmPHsOjG7dGLvt9AiEgQCzW15ZF6vlqM6_OyA2N6qJTeUZuLHNLerdf5m6Z5nUlqnIOVsdaQWFPbS5rlHMMGB7AkLT5C2ZdEY3_4dkYXbRifUNKZ1eSItCrxSTqBP7p_eYMnjrf1omasoMSFJ_O0M2Zy3XvXnqtsEtPn9jlR5nE0y.2cO1SufWxHw_Tq2eT_YESWn9.fBZ9qdXAmM5r9JrTajHxoIRxojcpQK70go8avGhWGG2bDkEk0wdl2qfRwMLm_LiLuGs_wcmbfmKF8IgkESzDBS_EJIlicf7coco4c94N9LljL7wml4JFvJgL6WBTV.FuAreSCPYRq1p1mi_rS4ILmoNeT.KFBkVNbufFtXWqziz1BCWVrHuZg0LndNmHjUUpvWukNTTmZumd.2a6yl9dVu67CDJP9UiHHlS47d_nHsAXO4Ar6I8DABjTLN.Em1eSpIwdSKTSbItvGWeaPef7hWOvvHjyifKuekTe19MPmkYo5kHmXM_CtAXDR6vXAJpLdNdHNF8riOL3tUH9bxlIw4haGK9Or6Ap92.Uc5rzP7Wk97NqtAMa0Y4c2B9xyvnn.RnWWkBbhWWiv42lbMpWYR4.HP4FbjINfXzMbQ9ck120vzQZeA2NxgpCfx.gbyxBIDHgAIKmljBrQM8mIw1YIoTbLKpE45mq_t8Q4gDAwaqciEtIDUfunc",mdrd: "xZbec3rx_slhi6rY8f8_7fxHV0NT13XTQrFvWdigt4o-1739298158-1.2.1.1-xBY4w9egtDZonJGPTjf9aGBwYOiRqc_qB1YotvDx3lrrNs1oKCA662X1kpDZlsb2QUVESu9dPX7FxpCT34L.X_V0sJZIMRa2p9Ba0jKYEx6npl9rK1p3J6_hkFU.SFnGN91ccQTWNWAfUTctWOqMcVTbB4NwZyTfiYSM9LP98Gli8Sqs0WTopZjIh9a6tsdnzAdul88wTt7GbT5sBzKBF_oHDKS4wQWT.aAWmpFFxFfAb5CRPc.UJcSPeG.WiEjnvqSbWNy.oKGXi2fUPghZCWBbRliKkN0FXKhLL2ix5_IGtxQnXkRqPIAEaB.ua7sbKcqwFh2MpUsUyVboKYHvjRFgj92.LVKNxToQS4Ub7tkJx72erXVDyrv4uU3BjHqCscUcA0J6JgcAmjjQe3ZEjsP_hR3wRgUSh54T2rbWhY20dRY4xzwn.ni.z.0UeOiKmjzqMc.jUZ_ws67fFtqXN7GCF2o2gm4vuVxn7xjlrxKTHoAmGOGooImEym8axkgDOEYhQDOKVsMlWDiiNSkuYwmlBTO1uh63XIVMJoHJjmEZSJtp9VuVFkeDcEy0etvJsSVRSb1YJFeMVPikukLq2sNdreEHYAiKbJJzzCvTLjqSZes_d.pUjCm1JNCpFJXCfwNenCoIhMsNg8xoA1rX2dowesxMmcronb8kbN4xeU7ZaS0SjQp3GTp1zbRBzaSd1izEsOD3ell2D.Ra8i8a0lDpHghVdVjAVd09ROXWTLtVlWNK217_gNEO80NvznyiKnr0iXO1AGpTlZMYVjQIJ0i5GsqBwWZibBb_b17q.sfTY0_tshV6qlLvB7vIDAkggozLHzffnyFGxJ8eZ32xOxhjLt7WvoNRWulatO8IB.YnKkYpswp4DwKoG5FumLrRt1fQTCQctHWGvmpRHWhkYPxg68pKQsA4_OSh_Y31prHJildx8fZGYgU7rjeiGJ9S35LdygjwdYRvBEv_DIA0CU4VIauR.n1A1YlX1qEuuamHzZQV8UcSukaeEkt4QaZMHXW0mWvGSgAeCfBrF2eOXbLcZBKf2qBUlPSVinIOymesWXUxVapzM6UEl0eCmCTVikjxisluYZbPbapuGI1.o6qXq1MWJleINlUy38HJ0NN.me.n8DT5J0FeIO95eYAr0ncCP1htfWNEd5nice6YPYKDqEhen8Y57gP0FyN3NZLpXpE_gGfEF4qFDI5W1LfEyN0A5Hf_d.lCKhJbhqb7GzbkTvm2x3d4KtPuVVxILIXRTOdCfsnz5JdseiDufHYEl4aLNwHaRUVumJ24yEM7zZWafI4MhSqHARRQqsDpCBIl0eGzGjS7Od27r8OGt0qdj18wQ05Ae7H5Eu47_4K_pHiX3kLON5mCpZtrIqg0v_xsSq6O0wYRkErFILyvKEN18frj6_8oTU_HgLN89fke8u_qj_FfwjxpaSNiaH_3UAyAbBfoA4WbUCth6YFQqG3W9OtiyhOheACue4.8mqcDT3yjQaMrOgAOxkdmELIoydTtVUoyimtznYNcHBqDVjiMlXRbmlK1bzrehSNCQaMVd28.w9N7_n5qa.hGIi9Fbu1PTCmtc9gV4ArHbk_oS_eGRiOzyS29aTH167XjG7qX91KTiFXTZld_pKmadWeGXSshRUkr7gR64Qgkx.7W2UcNEWyXbxbWPCzXY21.MLH3LilG0qGw_2wwIEq6mWIPhkqjn69rZzu.X567VQl9K7Y4NCBAh2SxAbG1j5irTfqRS8sRKEGGGiA0.Rt7Fi2mBXLuXRuMrFUn2mlUUwdqGa.gWSAPLjZVrzRR0bkrf549bQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=91065d8fd9b582a4';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\/2971086543?__cf_chl_rt_tk=3QCHbveicf6yQXwQNky_Azfixay.gF0.z5v0LVEbnXc-1739298158-1.0.1.1-18FZ3zdMvJuBySwdIDKR9mfyWIkRbdv.BOswUiiL14Q" + 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