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-aff104uwp.mit-edu.top/post/0246351879

  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-aff104uwp.mit-edu.top",cType: 'managed',cRay: '90f3b3f3edcd05fb',cH: 'n.MHE0s8TtnoBMfbtpDM.uipRjRrndWGclsILCCNfKM-1739102467-1.2.1.1-_GFA3cu0WMrSBFG6LDxrCW6V6B8m6voNJ6oQdQ0sqhXFT0McmsqO3CHTdZE8XRHm',cUPMDTk: "\/post\/0246351879?__cf_chl_tk=Wpwsm9BJiqod2fySwqgDLcXXuMzrqVslFeSpm6Jr3IU-1739102467-1.0.1.1-2.efYns8RIhS73d.DH5a6uQpTDFGOWIEKijeDfJwY3I",cFPWv: 'g',cITimeS: '1739102467',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0246351879?__cf_chl_f_tk=Wpwsm9BJiqod2fySwqgDLcXXuMzrqVslFeSpm6Jr3IU-1739102467-1.0.1.1-2.efYns8RIhS73d.DH5a6uQpTDFGOWIEKijeDfJwY3I",md: "zi7zyAMOnIXRtrmE9R6iQQ9j4lwEra494zgDqbx2zDI-1739102467-1.2.1.1-_sqBs6e_.Np0DlIY_LCdGiXwQU60tQa865RR2ZPDlILxuwkvLtOC6ZGQxtMsu1BaTNakcSwNt9MlKeDHrvoTxdhvBLy1pqwWxP5e4oxrHKSX_vnYNinwiVnGRtIpoTYr0zmF.ntuXCHRhOkRzVLjkmAc9._n50hDMZArcqgQSUQtvKrLpH00zPCai2T2i01QlDqpdt.q8NWNTgKDcrInjUcogEQfFuMzrc1Kw_Fe7X3OGLuvqkjj6vukmR3kzGHN4ldPL2sUmeWGOvgAc8_JAKpT5Q2KeTCHNqHWwZZ9dQgr6vOto4dWVYBUgEC6VuHanOkk2lzNWh2JW22ya_zAfkr2V_jxusMMDwL1jLb0gak185LyrpB05V7dIIOS6zmlsPHFw0pzlwaekKhs2ubSeQaJnrYXiiW6.kSxskSPcpRcfse7.4STGhGKSAfH2HDLMLJgaCbmsbQHnbHVM9dWiPK.HEq.Wo9GWmQzCGlE2fqUGx.rsXB42w5Am.ezUXRhkcIl7iJWgjxoV7YLUlQqJ3PLCAixvGGoQgdpn0igRkBrzA4bn8MQNDmnoCP31SH10jA4MfsWD0IHw69OWJlIkL.YainD_yECsQSTTr2My3LG0HxK2pgD167EQJbfiz5Uu2Xs2ahVNzsTfMvj3noQh7hL0n_uFY4..GjKVsCZqQXsWk7pmTFTmOxCuj3Ps4W2AIEnfZ5YsYRcDY0s7NrsJCExd53Mml4QLbSBpSNxu2FdxmQfhp0GjNUUZohiQBYC66Eh5seItdYyobAU7T6pUctlrr3XvtbWObV78Yf3kjaTlkITFg.jFHOjD2R.ZrQO3.LabZjDZIpYZ2I1qLjKM.lu7yPjlynHs872nDZobhjmufK5xCwwEKi5XxmkOht0F.2J3NxFiyEc94TdEzEgPOhrMK91KDDeVuFbar6NwRrv5jqYkB9VcGassd2UH5Fti2uj1DWUjGpLJ7RI4rnv3JMDbSRpy_gMClC7xxR4qwyaAlDfnTAhkJZkr1bUdvjU1jUOLRE.eaXlS0D_kqazwl_R12lyYUKlqGdv1lxad38pYjp_tcg13vbYl9AbRrMY2u1VzXwgCVZcnFxcUKXKUJ6dh4_FyDc1AqvpZ.O70Tc.f3O2bTEvHVQoieSiyVWD5zLo6qyTekwNa5wYXbo2P_vwHK.SJX5gwLJnxwa4PyeC1RBAoHT_CdErkvIuUtAJ6TV.iII7V1PKXNfVUCLsnNdNLRjzyEWlef3ER_5QkvxvycS_5z9Vo77NhgPXJYBsnHE0Eh0yTyQDZFzTUCEc3Wy5nGNSYoQYiLv2xybU.Y7L0ZJNTggOrfolEOAEaWpBZlGVtLAUgVoWlxZkY7HufBozFYWmiBWnTeb9Oh6_y7ivRnGaKifIqZYRFeg2Q3xwmRCmEXZrPbagNbebJ5eUicYQzLM8NulJgJHAhVJHQToMhpWAW.LnWuPwOVsElS_I4.OtA3V7Dxh4dJfNh6Y9rGmiw0VWNqEBI.43CPdQr7rmqQ7FFgsH40DwtqUCo7x_prnsYWM9B4_DR2vzVZ9CEXkTu9xROoKsZzBytiaunteHF0ebLnp7qeRRV1tRFt6hmEVlL3aGwV6ovBrs7Ov7sN2aX_78tIGjFzJjaUjKIHU0dhWxK2VcGLVsWwRHF0Qy039dy6cYaay5e265MQLjKyvreDnhbfP7NjU7ttpYN3i2y1b8eA8gQZr1yYWAxlrM0RDHYqxbXxf.KQXAlKh4R8qJo7YFV5jRlYQ1b.jNGdFl2GQQ.J6JEYYfQSWidXwN_nutoN0J24HuvGzHGodNoEUwW19saRHEwv7Ta9whN.2zo4RGDJ_iTX8mXb2DOB7XWgawwOzZjcXy7NdDawHj5NDKg1tKqfNU8wVp_ApJKiKkzsB3dDLV5mYEY.FKBYnByvfud39DRSdu08OE96V.l5L09F3XmECUjvr3ICB73j7u5E4uMIJ8nAuWhNQaYxHDO3KsyWpsF4DZBuyABKBMgNWuVIgKXKSsT3ARYerjKnbEBNiQXwHaxUoU6EoTCKtyKnd3L1Vz3J4Hx3H9c2gaBSoTA4Q1KOiP4uNyOBORcjQwVrGhCYkRPT9XgCH3Ake9CFj8BheHwiKDWLalwo7WTuVfuHb8BRIyVE1Y6wKoh.pvDrwhFhHdMuDE2E1jrS2H8dvjw4IXwk0gsbr6_38dQXoqfhZZIyvWhQ1A2ffH2kpfg4iPHQ7FVoPSESuVqrbi",mdrd: "JxhRIMwKiOIsWkqO1tBtW0EjZ90trscFufhZvME8KA4-1739102467-1.2.1.1-zAw4xQIrZ1r1fjzCmdCoj6wM7xN4hehgi62oJE12hJ8NtY.u7DAFp2FAjvoNXVB2q.LJZIuHSj9uGtu7KWNszMtkY_d0KsMlzPMIpnqkkzTyRaGu62i1lrXfYLycV6qBxNt9yh_Oe.BaJUoGF5HdVwQmi6K49uHjDA8h1UPszFClNmpOQUvCHJr1zG3iDH_AiOYTZK8KoUiYri4L1gZJhLvfmoZBcJWoCRoz2y3fb1IrMLwxfA8tMN3ebZqHrMi1kicv1OTtJ11MimmJOZmAA2bs1EBPNEYJB5qxXOSnJDNPSM1BHGmsfgbfBsvXI0Gh0WTTEKMjN9H5ilkudUSYv5L6HXdgXUlZiBNE42fe8vzHY.D0W.kv8FmIQgk9rCehRAV8TAwnpjPMP.Z3WKiENUN40KFq6fvzzIbw9FzCYs6KQymS8RhuebOnzFj9CZ_30y3yv4awlj7oVobb0BT98UBMwxajtze0_kmzzwMJ7n2xX2C1HSHTKWjw7L_W3s6AfiTddmE4Le6POzLw8gn67kjJ396A7paTN1xBRhgBktJjHQU7MwRDGoeCyjzwMcdl9QwFNQHB59CS7OJI9umnYpYg3Cx7Cj88KSpvRtoH3bsjFNS2ahTPSWylDW9EdcomhExLEz_OSSLIytpNaNs2hidpFvADRF_rhaZuiNuPGU.1uqurpXCJK.cyu_5vJH5jOgdE8wwrFW7wHiXXpQJ5vXrDBB4PytWpNs96u.u3hNmkYQ_ZGW7yz1R71FvBZ9JeO4Ra1bRRVAzC7v8RnVuw_rGQE8WRR0u1p3UjPTYEcXuGXwAK.CGQugBdHDgWfKqznE2qaHIuiekDQXRxbrRYkQxH3mzCJzeX8nm0m85gqGdi8hPp7fCz5ZdC0HOjkiQISb75uhmT3oPA6tsEcGqavSbKbkOJ9KWVD7gHEWMIYRKzfkITa4verIidUViDn9L0jzLg5PWAqLn45N_Gz.BtshNynGXwfA_ZMGNB2gy33jwSChNbv6vxCkd78AwqsmWBqATB25WlB398y3vaiEfIOq_san2vDWZfvcZWvMA49dNOQGYdJgcGX8wZduvyK4oxcQvfZxzKa9xtK8Y04mj8FlA7TxwsHSILn.Fk2.QiAskc6woQbTnfMfzTT6bAAdNUoWqVtsV4_venJymmKCNgSod0CB_xqWAokr.99zJZk0ATTflkf1K7WFhGiZ6lMRKAhqWR2G4Sfo35ki7gNsXwU4d98C1Jg3rEUAhXJIckuhQKb8v1S5Cij18UWqMCF9UpZUHvihK88f_qsVxzg1yAsAshe7kD4ryZI1n2D_viWO9rf5VKb2DDNIQiTZnlV2h3OO_dW85WQQMg85tZerDj6Lc6iY_ZChxkU6iKn2Jkfq1Ood8_SEBcLNddaM2994KkpCQlLiO0tZSagDjgE9LKzuGGPeLozDpk3ehqNePOQMCzbX6RKfKz50iGDj3UHyikJQ8eLbnK6SFruy0hkaEOMp6oVTNJZg1748.7QlHKdTm_SkfTWY0cuk0Z5Du3XRHC2ntSzNpfss6kaUwe3FUoECdJ3eQRUef9Xl1EG2Dxug96jJRWvmFgy8ncbqNgwDhRlgjU_409uSY1u7LefSHQHBZuT094DS3aixpD2lCoE.CFgtDB8qVabwejz2ArxXsh8.KWRph.Zoutt5tvR1xlqvux_b9hBvd_zbE_nFP25zVhPal1Vu4JBbQJ5VyFtfXlMo_4ot4Am4SWhCdqsYZkdSFoecsr_pHzFIHy7CmtW8pqdT.e_i6jTzqz3wDJwF1ayZcOlsCAa8qlAixvhkVC38grzcEW41jJ6qZTOYUj8Kg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f3b3f3edcd05fb';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\/0246351879?__cf_chl_rt_tk=Wpwsm9BJiqod2fySwqgDLcXXuMzrqVslFeSpm6Jr3IU-1739102467-1.0.1.1-2.efYns8RIhS73d.DH5a6uQpTDFGOWIEKijeDfJwY3I" + 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