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-549697156626.mit-edu.top/post/5479326108

  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-549697156626.mit-edu.top",cType: 'managed',cRay: '90f362246a1ec9b4',cH: 'k1UnaRM6ePbmIxyM_i3EKN4Qvl8UXpNJJyunTTE5XWs-1739099116-1.2.1.1-4YZO3C0xw5IQM_hg5vhBAP51SQ3c8S7I4vkYDzqyNS7wkptPPb0989MTbI3pR94l',cUPMDTk: "\/post\/5479326108?__cf_chl_tk=AvmcWUd2tOo3buL9HLtN7.voH2LPxUKdOIAFOvQ6xIA-1739099116-1.0.1.1-BL7AsfUpo1ePlae5dUZyvq6uxQiPMwd9DeOfV5AX3s4",cFPWv: 'g',cITimeS: '1739099116',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5479326108?__cf_chl_f_tk=AvmcWUd2tOo3buL9HLtN7.voH2LPxUKdOIAFOvQ6xIA-1739099116-1.0.1.1-BL7AsfUpo1ePlae5dUZyvq6uxQiPMwd9DeOfV5AX3s4",md: "PxVxnD8F3KEmShNiTmdVsCMlukp11YDPhLTQGPGKsiE-1739099116-1.2.1.1-LCHFIPQhJtStUHGCRX9tQgwoxMUQcUbKA_jU1MwgLeYMKoEvWniyaL53GpnkRuOGzmeUb0DWdWxWQUud.IPE2OlzhdBht_BM9.eIgsv5gHpDomeFEdK07yqZQnz.bFKXNqP0ff9bJCAu5I9Kxxn4s1wz5r0QHmXApxj8wNZz14FxnAnNFx7ixCgjF8SHjb4cn_smy7XqZIdwB5O.yDpwSdSsWMUgcb.KKHJwmVY.gHeqAoCuDmT.taYWhpDsQ7sjJ_GP.lABDFcJFma1v_uyQJcZQEGcSvJVNpU3q8DlXoFaj1Rf7bHVZuV6qvpPrBshSRdUgr2Q8TZt7peBe05rtmYM7pF5sVOwHBvlXzuorOtSPm3TJGKXR4wzdKG48YAMmP4QufgcjYbNiJTc86UkYn7mkNTR.IY.zoMetP_HccssYoWNNpczJB9vjW8R279cTxcUbXfODbIpxXjkxj.nfdznmB2fHivU8PEc.PQ_PvA755ZGl716OUFgbPCSXcjH_IEmydMEv5VlwwCojTURmz7Te1Pth64Pr7SUITNMgdcb8njv9RG5hSYJxpgK7mzLbzI9.NeiI5WuVVPjOo5AfLPE1NK6HQj09RG5GwDMdXQge_FoKBcZHvviPzuBHIKiUeTpBSwtpCvqoaEKzATvVic4p8hf_jhO9kfmL1zLZEJpfRh_VqdUvXDaGgGioLlxvsn4twTg_xjv.4GWSXIIDaa8YG1QoymFgwhYIQ9oqFCZVM2zMLvcZfD0Y9DtSh4NcXy8npJuHWeIL19DXo3mAwRGHZyCnhfF_OpVJF3rWQQSzE18btm2G_A5S80H1sJHrMahrZTJ3K5uhLe5FUwKs9wJuxMTaFq57Aks3UK4E3lsJOJ9gkAPFk6YPA1HkQKBYauHRwvDuVL0TMH1_7voLpqxHio91U.2E4kqio52IbCfPhn69du.iBwDJt4F_4Qxn0Dq4sCPsO.91AgQN88f1vqNrGskgIhYCN_IWQjXNCvKrnI6dkT4NWAYiuPISqAV8pDzJzroOmzjycFwjwlvB99vUcCQWNy2uEDDqOA7pccTq4Ypx_f4Z5LnTmc1klthgbT2.Iks.qFGEYXXJbMl0.p40GNA9Xk7tsoayXIKhOS4HMIsths_eH2O.bx0F6aLB3MxN.vzjbX8RryLqemUMvLd2aWyeSW4iao3VQ2kqIPbVHf7Z9Kgy0g3bPp2mibCq1blwgOR4O2IrS0_YIytBaGtxUqJD18Wdc1yB31yPBnkdMro73ORuwZx8ljm4vfDZpZHw1XkasbjULYHfGHgk3F77e5FgMiOZdYNP7j8Fsv6k8meM3sLGMh2FEeOC0E7jlVxfBC993.CRWVB9liTXydM5phbPUqUgqnFSdGAY4jfuQoxeVX8riE4yFY2cdEDkbtddzFgrQMWjssCSxYp6uTYrlYKxShaJmKrbKMXMNdgtOFic8tM6iCdQtXHliGkOPoF5rKWdt.m3_2NNF8OTs77TgsMoRGW2qUZLCWAfh7WS.1_1vAvSWlibPLYw1BwqmTkOnsmqE0U2beRPsfGSo3T3_mgLnCYUxBvLnYV_pAv9397mFN1l.9ZhGMldfeBWsVMLBq3Y2B6gv0lQR.2biWPHWsv_kKvspTcu8nLxbggo6slJt8YZBAKMJf3V4vrg7sB0bBIo1qXvHOMxLzAsOx257.dXhLn2n5D_SbMpCmAhX2elIRkgrYQngz5Wh58mH60dKYmi.UQDgJVe4ozxSklB2XbmTGsmP5g.aQVMWzPZRbJHIJvSpsIzgz64BWxd9veSeYrVNFX5riP.pbmZSt31oFxkR0tvMoUpqErbICGghh0yl4dC9coMV2pYA8jraLvEIwD6rnR8_DpAPKjSz9kSGQe.P.JWgVq0uHe21M.wQMoksRsOb39SA1wASTx9q3nFqqXWaUd58gMmCH0ifD_7vWjsd8sZCm3ZNTCBpnC8PKVvMgvf9GzvY0TbC5xBNaWycNAajlApf1szSMw_KmCtdDbD4QAT59e5uBQZrIEc3QfeCGRIqs.730e16ejJuQioix00QO7WvyiFQPTSmUFBbuwpNVZ10.jq_Kve7kYWf84Nek0zevlzxfqmSp25q6Tc16a2YNZBioGmPwGN08gVbNfc_0di3aU1iqV6pO22Sf_GABAfj2dTNrQeUlydPFYGpx7mRYJCjoNyHYQNs7z.BogIWXd9H_AN6mUM47jPrt6rAV5B_Iw_1E1wOit",mdrd: "Yz_ffSD4ZKiCvdonBWaEUBFxauKun_fwDW8pekYiGaI-1739099116-1.2.1.1-nCp15QnDCtqQwlECzG0BgqjYpg_Uf4YFLdasK2LvwCeksXodcr2WoaOzCI9q52Lw4LDdY.VPiq0jaCvYNBOKhZkq1M1AUDHWuZPMh_rquEJ4tRs7d4mvY_JoZw7GMmF1z7F3qE9Z83HDwD2m3Pv1g2ZpfdSP27h9b_oGvgGDvYzjrwq.KtbvYNBFEHIBvmkAmX1MGvJ2ygv3B0MOzpVhLQHwWgBjnGh5zneZDh3.lySVXN61K_xxRDuQofKjK3z4zSZQ4jWDkGtMb3Vv5JUnZOSKS5saBzy1BwMcXXQuEHf1cpA9ZgdtjwQ13GXf0kxTptkBhdzVQHQSk6rBifBqW2KqEVNvi33yQ5m7Y_rzvf.zo9.0sk6U_Sx7bJ3FJpxZHi2DNv8t_dPEYcxIwZET0NOMWz2YBs.H.uqV1u4hc7JXltUmgFhenplT6XdGgH6.EY6XGmRjA5r61StCfxNAKTI7BFDmECqkFAMWxQGeYuIdCX1BVYr2fT_bOCpejllaE1fxYDC9.cBR71TmR7ax0cso7WCrUdaXwhyzvMe8sxfXVB4676yIvO_F6S5zS8DAhY5xfCvTU4CIoilk.fqKlJmv6z2QsBVolZUJCXaJgzVR8pv4VXKhwiCjUXg33M3UfvCcrFCTAkYQ0Xppvwifb7sxGRBcT4yUyA11z1Q.evzJDjeUE8TolaROrtCUjx7JJhWbwfYtCQO8WFDhhJy086hnJ43omcubL8OHSKEUFlJzFM0Nv3UufSaRlL8QvnxE4N1._EnR5RUevfLv_qRjaVWdQ2AStqNgIhFJKM690RH6LIuvXNkD4Y6LJLfylvClTQjMmqxGSVyG9YTdkmrmpgtA4ZwA2eUmDctlyWZz.0huMHD39.xUaz0wcwhen8ekgxolgfwWMgj505MNO0VwgJerZwc2.U6bMvgaGhkuHEuwbgrrAE5aUcOV3aXWxlhn3yPYQDSKh7VlEE3dTed9TpBGXqge3EidRmcg5J9shezOUAP4RWSC3DZ.VaYp7dHG.Dki6Oy2evpZFq9u6eCGFgaxCN4GAyONnBTtd9rIUqD.nQ.QfAsF2H3afAqy0immE_3VVDGD0jakeX1_fcGlH9OJZPwj4fLHYqESN.H2tjyY1C2HE2WWqlmJBfak_7symSV1Whi.XN_DPLhhqt1frt2umWvDf4ndAq_sTCCH2w5j06Bx9uGnQa0XouHF2iOHR9SOyWO2qPiUhK19M7AggN3biUXamAIb1zxUMnmSK8e0K3VGXtKZFS6s1uhM3W2xQrejWp1a81vO4KW.e1gKpVyL6IDOs0hMp8ppaGTn7Itn2Camgso2An.QGD65CARl9.LJWwVTM5RuZgDOaz91d.FWy4eA2c_ht0vxnVQj6ceWDoa57RQpEh8msegdPyf5DTAP5GSIA_G9AfxQBzGaF.CQDDua_JlAwFEH6fyCxr5zod8flXB0pRMSYjYZmm6_apGwfBm_BWudFxoPnP8KizoopX3y4iBNvoM0oJ0r6aLRdNeIyz7dJ9uZmg7w3Evk.bvRSDAJtROOOEbLWP5KU5FDf3szdXUtbQuXuX7mAPrwUHwtQRt8mcNpWt3mDBf4l5Og27aR530w_wxDQpc1aViHG74SvrzutMhHm3Kn3o.tr1K8YVn4es7L_F0NmjU88jS4mqZ.sa_ijTusXjibktRH3tmtL7k_lxhL2gynT.kRCvXVouvCVo5IfTT_PHlDJpt8QGVNwZFO3gQy7LzetGbT7lJ083ZU2ZN1aENJiha.LyCZi3x8rcYb7RBSUp2BC9OSjZTsvJByvgx457VKb0hj92mjg4h9WdacERA.0CU"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f362246a1ec9b4';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\/5479326108?__cf_chl_rt_tk=AvmcWUd2tOo3buL9HLtN7.voH2LPxUKdOIAFOvQ6xIA-1739099116-1.0.1.1-BL7AsfUpo1ePlae5dUZyvq6uxQiPMwd9DeOfV5AX3s4" + 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