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-052354515868.mit-edu.top/post/0371952468

  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-052354515868.mit-edu.top",cType: 'managed',cRay: '90f7b9a91b645935',cH: 'EGoIWSU_ucw2uy5lYwR5au.a69etG17XO0c55jAxu8I-1739144644-1.2.1.1-OqXb4PqS54odUPLN5tRRsO6cFHAOpf2wfqINmpLFlirzQpystszYsAo5Qzw.Jitg',cUPMDTk: "\/post\/0371952468?__cf_chl_tk=boP5wmE1QMJMlryan.ngROYFV0Uwxsupt.2kUoaun30-1739144644-1.0.1.1-35WWUaiYI2rTMis2QDKaRMiO03tsDeyozZrTBFFfgks",cFPWv: 'g',cITimeS: '1739144644',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0371952468?__cf_chl_f_tk=boP5wmE1QMJMlryan.ngROYFV0Uwxsupt.2kUoaun30-1739144644-1.0.1.1-35WWUaiYI2rTMis2QDKaRMiO03tsDeyozZrTBFFfgks",md: "YOU5M8MjZw.uWCITtlt8AHVjO94pE3EHVOZlSlJOuyg-1739144644-1.2.1.1-BGa0xEwvsBVFpnrpW9ZXnzWSJaiPO0stZk7oGCfdHDlmxkHSQaXwcoxgtNbkLfnN1xkttLRLAtiklYcwOPtPLbB5wAnPpexLBNTB1b7Sy8Tl2Vk1nmHmJ5lCWJ16EbQVYOgMAkQLRnmPO4kg_v0_yReNZnPFs_Gf4gFBZUOWt1qlwp3SJiqUmVHh6DrmubjULAc2ALORVM.U4MtRy1RMyHzvEtirX3HS5iqyTG.OEcYXSzqYeo.k594s04wuH.a6MGhIwH025ImZg5_dONW7tkxPLZzNHL_eUd7wshzvwm8ISs_kR33rNlyF2l.eDEevf8zovOl0RU7.kNbUYzY3CmlUcSFTWH.XQCZwZGLQ.lftdLqLRnO7KRSQp5RaELSNn.SclbOJCeLjkgWd.U1vJjvJMtyoGFOF.Elb8KZYXLilYyx.RkpRpI.LwcB5wqnAXKAc7FgJrDaBAwvlMM4Hng_Pz6p8ArtmCetlfCNH0CnGd8p5aNihY9ClLxNW4W40YCjpczdHeLnDXFot5IPEHxDNjWZtXy3BOq.pE.8BZBBmx4O.nswTVtZVUaJ3gvj1bEHX0uUFtocD1D4_M03M1kl8pdepBnsLdnUDDycgDM6QOIfOSNDSyRdh7NEvpJhnZ2mq.IXrcTu72yho2ejIgZ0EBEn2zH68s_FnHX_0aVuKNSJ0I7Y_JfDBjqFO_4iQAJu9PIgwFdqw9zr66Z85IbFPKgE0VVsr0VpzpBwgp0bDQKYXQgAJFGoRuUG.IuSlc2_.Es4_sHrzrtRnUC.vc2g9xL46D_RKgV2e_CNx7WnV.D9Ces1r4zHUveu5r0he1vhQd.HJ9XlYoj5Qp6Rvh35SNUv5FeOtLKvr2IrnCRu87EyaoXEna8fslHmEcReXzBqByljq1srs.QX4kA2HueNQqJK4jffLPwIGmCF9D8iLCEQaBTyyYDD9U5etI1nbTx6zuWND2mLSHLJq1HaKgwioqiaBMMJyZz0tLAdDEsVyFUwDrH5E2Z7MURlG34OdUzLApvPXr9SES3xMiYIwSmyFPuZbeRSiW45lFkZqI9REVBBmuORsF0kRapef8Ifxe78ZJwSGIJgLAJ4SV6YFYSE5OBqCOO_4UtKAyc_3lIpXr9aix9JLxY_wDzsjHMaGnoXJ.Gu0wQrePuzOM64fBdhb0l8wtUOQVI10meWeL._ywMz.og9hVwF3uCBY1vZ8I8SFpPBCVCfsqhry_80X9hcMdu0Am3uk85wH3RVhSx0L1RmgYAWrlOtRcWV.lYDu_ftapuY8bcH4X_KnEkv2O.x3DGee4LulldZxaZPNKMeKCQFTe1u9eEiy69mhOzpOJOQ8ZG1DGuf4zarFl2ByvRPMOGHdKAO5Lbgb6A8BzMK6gENvf88ZPWvjwjLC8DtXRx0oj5YacrDMt8gXFzAaFQx3SPKLZ5NuXa3yBLYZ2sYG.i_9P0Hq_SPJF4dpH6BJURKh39Regxujd0LLqgybFUMZp6_HShBmWfDOIcYzhttWvW8L92kJAMjgdpqX3Ne.Q8m0eoLoZ3RTdt5FDzPjnHZ.kpaIFBCDL441zkxqrHvtwMRHTnfDTJA_7NfeS5Wj.UQ1uCnD_C_mukQbuWucHGgARYQtibrTijXfaqsIDLpcRYBlPNVN8qhvEpLf0361vqpv5PPTaRT1Hz67dywQr4MhZcypFUKM8lEIKrKSuj_kNtfjLH.LrsfxAfRfeCqXNT_4T_J_WCS_9huNDB197tTBS9Od.Vq_cUmuhQiRkQVkBr7N.5717HCnFTw7NAA8zsbOM8fxlmGZzfKiyBn0T2XBku60auXHST3wbNy_CKA96evIjmmkttRTO_Bwh_Nv0ZD0Xv95bQ.s0urL47NdUcy8XcAAjQlFK6D0.AbrLnB3fIPWHDMKPz.G5gRSD8u7cBclUyyoCbDn3g9BI4H8xlmjPE4CYJCWCi8TUZ3Wy97rX3H63_S60PRlNRusCUnbLt7.7fLCrTw9hO3y9C1FP9BFYgW1PAWAw0NrGocO32QVxYx367sghrNW4ZOPPY.iU6xsTQioY82WxdaZdYXHy90ZGRlL.u8xe8T_3T7vqq9EFX5B0cnQF59ZdaaLdSoBtKTvemmME1vCZKjoCMhHPxCnE8fH_pcEAmNDcNkYiPxfPG_0_CY8sLmUMp1xDv6s2pCeD2J1Gkxj2utT8t9NGZjovXo_vMhnlByzIhNC9mUwn2Mg.kni4dJHKrjenIIQ",mdrd: "COnWuJXgPbupfCokeu3RF.i7drfa0e05GymCyQZDuuM-1739144644-1.2.1.1-jOa60i8qBXSRYJfId9L9FYVmnaj4Ws3lvNfpIqa7XHOFAB0GUfeTrjviJY8OzXEhH0iBchvWhgeN04sljRc21OlDi6PBIbNcZT9j6XXFVJsMwWfdmMHG335DnBO9Z6M1xoXmvfgonLSbRz5NIAE3kGn2VPzuPFvkxyofuT9AclvG8joG1QXHWTfz3TAsYlM3rvAUcrjEaXVs4CEA3bf88aphpJoN8jXWgULgqPN6Dae10yb3WWS97kN_Hfr2.VSGqUY1T1.KDkfzKXDdFaS2QvBliTLggZ385Ye918w0GCVvwAysqM0pA1Yx5Ghy8kJWrVOPzAs5bF2JPGGw5nzVFwnhE5F5Pposs2mXx9UwpUZ6ZoF__0kc1ha6L.A092FFtxRCvVq4FULqZdIabBvpvPRpU1_H0lOaFL5KG9D2DQA3vXj7ffj87HU5o7qPkKlgqcb_h.xtxZf..GKLpWNwMuq1hSjM1JK7SUvtIGiBaE4dsQmn5bgdNKkIkyRCvRM8caGC6ooEBTootCqhaVMdkeDQXogedFXnSatjjv6AZQh1r.q8uqPfGGJw8LQ2fBBMKgZXYpHriVmqbxr2DWP1d8T1Uz9QoYyYW4cZjhmxHLO7s00EHuhZtGmtAb5OLIlvqtc455gvqvFloOmOve6KQ3skSgd_wWj5rtDPScfByu4jOm2i1jBviZebT92glKDLvIODjySSmKwi47Kvbk3Fo3ouxLZFqbaqUw39T6_LTZcJIIOhB240BXOfwFQBimpCeMJFEStO7LzEaJmY4VwkMpGDmNneDl9TVcUttGvP6ydOQid7e308xUhO2jz8aJLWzp01KuitP5Y3_qfqkD0DWR9KQqraJQqhKqHmhcu2ULHWCt6GiiScmvNaGI5VoZ_PohCFTyECmR9wamwKDSuGPCXyxchCXqZurnSrreXUSsAn.gqXQ22wTOwElBSurTzSan8fmIF5hWHESczycXxba.0Oo1d9PyqZZX4fyvY29bvL.gf6Vklnj6Fe8Iv6nMnoBl1WSWR0qJa2aEqpb8EiMZre2MF885qtOO3YRkbgmbcYjqjcV6.Vw3azLvnIQSp8XJytJFb2yNUwx474.FJhxR0wRK7f9JDj2VPsdIz_hNRAEPe4uCTKeQ91yz5aEFW7ncgN4TvaH7FvuTCZ8uWGtj8ciSal8xNUuqryypPQnVrxSWQ57XRpySoFNmB4fhwknwP31xGP9jxnJCIG0cuV.OgdqDhzUzRmqNrzRGYojm_YGQxUII1bpxt4Hcmv2N3gPEQ7lI_nhZ1pATgf.uRrKctJqp6_h1ME9SRZZKjQxaq_cEChluu_nrzwijwSbd2URnGoHJ.C2FAnDvyaO0iQluX_eAHETum7CytaxZ714s3r8yuxNHeOU3map2sHTuxc6OaSTB4_N6NQaAu16sQiawQl88d5tgqkDc5j3GuRAGJOD2fRFy3u__RB6TPutvPuKgxfFns0w9CqxXvz_Sq_D2dNk0TBj6uixCWuenPJB7J_tKIGEpAgXVcPbbTJKySkG4uGEuREplZp6MzZr4EJ4O3fyBuKnhNE6cOtYj9XUq5Q2.ZTrHLV5JAroKkEM4k_KlumADVbVG08WJKdHfCs1qymeutext86sR66ApC0JSX_pS1ONEN2atA6hlNLaQoq5EBJlfJXPW1X6BfY5SxoClddPlk.1qSkS.drEWv333z1CXBlS1fggoN1ORbPNgrL7XmliQR0QAUoS_h_6QoweZgY0Ve7UI54a3_BpqdVkLS8EOpiK849gTRFSTA5R9QSNgTqDROpPgusQ0lhOkpeIzC0Uxy_7zsdAUsLco6On1E"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f7b9a91b645935';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\/0371952468?__cf_chl_rt_tk=boP5wmE1QMJMlryan.ngROYFV0Uwxsupt.2kUoaun30-1739144644-1.0.1.1-35WWUaiYI2rTMis2QDKaRMiO03tsDeyozZrTBFFfgks" + 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