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-affimadf6.mit-edu.top/post/4582071963

  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-affimadf6.mit-edu.top",cType: 'managed',cRay: '9107b01c3c60f273',cH: '.X4cqZtcmk.HUU0gAWujTkGTx4jThqJp7GNQE5.bhBM-1739312025-1.2.1.1-nXsc98upbi3HQksggE04d8GQYnePBJTlwPgyel.pcJTORQlm9hdwTL.9Zkw8I0Ro',cUPMDTk: "\/post\/4582071963?__cf_chl_tk=VSFkE8JdXTTjzohTT7pvu9d6kZujzxWEj0k72HZRS8o-1739312025-1.0.1.1-eXIqKqRr9F8enBlcatXxgi2Z83fFZvzNbmPEu1uVmys",cFPWv: 'g',cITimeS: '1739312025',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4582071963?__cf_chl_f_tk=VSFkE8JdXTTjzohTT7pvu9d6kZujzxWEj0k72HZRS8o-1739312025-1.0.1.1-eXIqKqRr9F8enBlcatXxgi2Z83fFZvzNbmPEu1uVmys",md: "cCMKkxmQJhJIWUvHZIvscchrw0UmHgPpuUeGTGc3QE8-1739312025-1.2.1.1-Ai.n5_zYzaw_vq7hgfsDprnvQ4ge5iuf3E.B.61SroGNyz.v6XYcgAzH04Y_K2daOSRToc2NyTTlxW2SJpBAb25eKA1qGqtInX7omoqYhgK94hn1xB1X4POGavocSV0eSJBlcuDMWnqOpMuHzexrBhk27o3IqVPoXfOup0el3zieAZkP56JO.9csSO0sGyP_a44P7hlPiob2eIjEQCURkthNXEU_MLRDTHsyJ9hdfbc5KcGdm8a9jHPsPnk90cYyL0oufY9EuaFHhSUUcSGvY.rnrez0b2hmznPcNQqb3AR.t4zpuTYWj.uDc7MuBgxpmuwlR6zDMJNlgvrD8gTSVQoHfJLj5n8SD1xfzbmPpORmHM9M6Q0JSe5flMvGArGAGFcA.SmPr.Acsxhpk1vEm7iKtQ3g2xMuwov8uWb0Q_OUWOxl8vqlZ0U6mfArsCPJhaqClITi5omMGse3iCh4Dlkt_Y2w_PaSsKgn7IoPP1MDguCfUITXreDeg3OVwffaW6rJrPaq4DOOc6H0qidDEnlfJACPwyyId.YUKN1U2fXWKn2YYVeR_Pqjvk9F4hpTN.zFrNL8WmgoWBmPt_R7WVlYSSriz61sVw2yxGkvvw_m2yO9n910fnH19bt1rB51VTjAqwTZrY3fbdvJOIqSfp7tU6t99uRYBOIUoiAqR8.1gTSF6nF5xn2N.nWZvdcTNdzDhCDjH0eothOjPUS9_qRcDWt86i4fe49pHnlWYKWTsBLRFg2Wb6UiFpoFXOcWuX4pFog7GJmznqvsMhaN15Q8BMsFdqtwT.JiU9r35xKeNmiAcRGd5Ht8nD_sGAn9bQm49cePZLVm.G4_ZnT3W8sf.vrvKMkJFStP8Qr1QguqHPw2a6zxQ9f4i6FR80G7nGrVQngAa1vdStuqn6hoIcOkWxECTlRebNHNyfi94l1MfBixx6A4HHRD9mjy3DaArFYyU3NKQKTEHKiVu8ChuslNivw7B21f3F5k4.dEcSaG5cAFc5yNKLGxY3MqZSxYYZhbdnpFq7329I85em84._Xh_1TiOMrO.zxUTu_4g7L3z3QoxzPEX95.NKn9SivFq5TCab6Fz1Sf43ySvKki5Ud5o.pp66zr.hAgSqHp1UNifaFXEUPivUoGoq5GZM8AcDLrlEja__QrTwmtsYO5E0D5OxETUvrJakeU8csGh6JEDmGk8.nLzDjbMjfdkKfLh0GOQlAIrvAm.j2pB99bQ6I0WarLa3qh95msgaThbva_utKqxu.h8iIh14GyWt18Ic7oyydnfF5YsCf31n8c_xRwUq8.pyZ9rQYZfDHeOelV99cLeJvtpbXI40KuBgQvktIu.IALTbGtzrvPTeMv5Th4Cp.BoCzt_ghsrFD7IhuoMhwcgvCH698CSVP2dGiQWwyMnzW64AH55u8Fp2.lN00RlMhduKM0a3x1ke8SaaYtoT._EJZmX4wBVwXWGSCdebWRa0sSVkUnKRWD4.gwXFQGa7KwA4iqybidyIaDub0nwCAtHRevgYBKR9Fzz9uRRG7IKiXs67BHfA4ptTrjVLkPI_sJKLkQ3_AnPu04T_eYpHv6_.ZVhzszEbJvWqa713CpVvLmGZcWkV09PEpZmlezfcBvdSv12PwXHtT1aDprtzOwXSlQYk7Z_pGLIi8t8qfupuz7Abr.qoJ8vk5kbtPjp55lbXSxBRkpAQakP0KO7AalhkjJHKimp0o51Jysx1PiwKx4dpQsmjHNS365xghnCCyJd8md4xwycCwNmDbwL44zF5VIysIltG3hGcFiihHe3mC5k25P3L3kwyviqg0UZT3b67bjyfIm1DRQF4tXKZgdCd64jY2W6z92qFjn2meH2Mg8JY3FxYYrIbJLD6GWdcj9oFDsum129iJIKL0mmU7OVDuPdVfo4RTRNZSCyGcYSjNfm7tPI3S1nzzb6ogzZOA.F18WVF5DyDAt7Tz9ZJ_JIBzCcdKPH67Yx54wfVSkvuXpdkHDFH9fK9ytvG4FrdnyJF.QgIqZByYIyMxi0hvlEE6v6ZEqph8MJQCN4ChTr.QYpeRpTCDvSIM7f5_flIN9aJOxrwj5GDpFr8areDafZJAxk9kLSDM4OszMbYhggi7dTmBn7P8kbGOjpf8G5iqhrI0hkW9TGrpASHMxZN0dbgJFe.WzixLpMnDM8oaEsObz569uT4_E9Z5NvpiP6JSXAFyIJuGbdLLQzoWtNpMJRrlfSl_Bt7RH0TNC",mdrd: "R3hEn8y0LzI.mAyMSY1eL9tTIN4I3udMkzIgxcKU_dE-1739312025-1.2.1.1-6BsBsRNTmHnUgtE.0ID8eR15uw5EMTKudUY3jCjV2gxoqBwI53_4YYQLzTN0QrMxGTO4Kqe8ibiVvLA1bivQ3NhiFnESnMSWKpGRF2hThqv.jOhRZamD3VrXxIq0qCzL1IXA8qTtF67gDT7XT96L1ivfsXzfSwk1VzdmDfPvoBJkMmLFAmwTY4EgRR.74DVSN8nxsP2a5qD.OLWpmZ9_HWjletdhQs_BCU55UjJ7SrTxkQT0XlbjhVDpD76Ylbx.aBuHi09B9FjPbsoETS377nkzwog9adwXCx.agbLxDnkM0W6JV4wYTOZLSmVj3qt8fPV6FkW8reG.K34UcIxpzT8CQo6GccSsLOt7ACZ73KDd_JuCkfc_6sdqhm5JZ4oXH.lqV447YcPG0J6M0_3lGA.KFb0Iyp4bzinY2VIU3YyE8ajcQ0g.Jqnstc9LaUcSwYvysVV4eQ7IftJdSbml14bvfPcg9hYl2jSzhoqU..iK.u6KvvAYvMj76GsBUYTWq0kF7RY7MaAESNHdZeRO5IXYCUFoASfo.PlWIYrq067mavs4TVoOCOLpHrESwY0pDrUq7hjhgOk6uIYMV3IVEYzQFxFnq_lGf8ePO4nqjsfnfYGwTMU0fKTukEb_.daVB7Wfqzqy.tuhvKmcdnUgTytlcPr8qxuwYgmfbcGJJNIaMx5L3YkfEdDIhUVCPseD5IdWQDHk0jFlayF0Ja_riPBrCyoHc1BWCuwm6S.MQBMV4g.CgJQtKVlPLeCxMxXPj8VkBxjXWWd6Hv1qI3VTKdI.579w_bs9TNqSOnaaMGNqFyM.m1eCcHnmidfLIJqHKVjDJPccmM.e9HN.imz18TkC2RkNG95JOIf4CsVbjGDwzwcKWhKn3xTjx59hj5oE0f1mGh7czaGQa3XXBGFDE4OwbFgQ3h7E9wpiHY23_BC2sTYwtpZ2nuMjh_bufVlzGA2HCNv15rIN3oO1Oc.G3KzsszTTpdDQmuikUOQedIHmgAmot5HWWbAO9gshBgoJuunvnlFBbH1S9hyQDcG3w3r0OZDnMqLVkzgxc6kQrXAkffIbUiR0JQXB0MJ4ovJg5CgcttH8S008xsC0XtO8YDJ_BNLvm3keTVQkmXpXsdMgqYO2ik7uo0YKnPczsWuuEXAe_d7yeXoMpJjuOpWVoxu_UOVSUCiJpOTcwjVTHPHBr0NH86f7l8zWMfBJO3C6xGf5V.7pUZlDqCMkfWWIQFsmStpU__G9lBQT4Msb5gxjhM0qUD7eRZ59_fROHoa7yG71z2l5aXWFS0WvvvFhS4a6jgiGlPsdSA_QLG1UX.N5HO4l9Y6RpMDWNIwF5jTvAZxJdJWt6g16IqQlmdIZDL6RYqc7E9YjOw2pPgnAmJEWXZY.RfaLmgl1muSvvxUFWv.6z3PtQ4TiFxR54ZOTolfoGhfZBg1rV3vzqf6h1zwKJkwF79p6dBttJZkR8PRxv1pT.3aN3JPj2h0Gr8Rp64KsM4IPf77.dkkp_LSzZPZJqzZmkcXetx5D4ZEx6cBCeWjViTcoP.LnM5OBIxImRLu38HMKSoqfY7bxpEiAoIZBNsUXfoepi_0DWbqiW_QVwj2.VqF5TiBKzFlO.lJZXPIhyD2iECDqaAvFY3l9OiQiWJIDFhaK_WR_PxRVnN08Sl.PRAZFttVHM9XqO1Nxu5J14GvTbRaBQxO0yPV8GXcSYpnmwHoOBmEkFfu4QC5xLrhtt.UtjwGZCJGNdIg9GJcVfX2vzJDR7yWq3pPqKWWI1o8IiF.zyvVanIo9nZqtfSwF8Fbj5fJnwf8lr3HXZaEUBz9.CYSfvwPOd7us.EM"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=9107b01c3c60f273';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\/4582071963?__cf_chl_rt_tk=VSFkE8JdXTTjzohTT7pvu9d6kZujzxWEj0k72HZRS8o-1739312025-1.0.1.1-eXIqKqRr9F8enBlcatXxgi2Z83fFZvzNbmPEu1uVmys" + 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