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-789514660417.mit-edu.top/post/6293401857

  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="360"></head><body><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-789514660417.mit-edu.top",cType: 'managed',cRay: '94aca4619c7339b5',cH: 'ZoZiyBeqDqg1Dcr9p6je6WW6xfsV9B7mkPvTOeKxrR8-1749094758-1.2.1.1-sJXO8OcPuNW1hjPC4aZ_VxkKT8dnsvxgNWwhMuulXJ3xzDoR9U7OHodhCziC3GBf',cUPMDTk: "\/post\/6293401857?__cf_chl_tk=L4FLPWNX1M8WsWlz6KbD5BPwcldEfv5TTq0v6qp_P.U-1749094758-1.0.1.1-JHf4UZxEjDwd83P6zkv3A930godlv9cgdXY0eqs_Ilk",cFPWv: 'b',cITimeS: '1749094758',cTplC: 0,cTplV: 5,cTplB: 'cf',fa: "\/post\/6293401857?__cf_chl_f_tk=L4FLPWNX1M8WsWlz6KbD5BPwcldEfv5TTq0v6qp_P.U-1749094758-1.0.1.1-JHf4UZxEjDwd83P6zkv3A930godlv9cgdXY0eqs_Ilk",md: "gxjAMgKxd12t.CGWgp4YUej28zupxJEaadRfxCw4nik-1749094758-1.2.1.1-gzgw6OoLbH1HKt9tz_QN5tsC6JMTcqb5e9bsveSQnAJv7USypnRTnkTrR2rb8SrEBIDe_67LkOOjRRjQEsS8VqTWYI59wG1sroopeidrq52K.byD_n9tD6oif58DBNC1MJR1nXX629dT9A8yBGN3smumDgQiksFUGfZp1ZbBW1s5ZBh8DOn4lqKYDeffWFQmS34Et0J4XMM54qbWYZ0_5OjttYxAWwLCWG0PAxhTe2GtL81TbzIDCiJRdlCKf9GYk65QzoeMNrxKKmiIys8VkM__qd3hcumFynD9xpf3DgYdo3AnmWBPTd6yFA3vPDvxUxXuj7829QCD3pv1KCEW519aMFrvbgT.2JlOMo05xYsnYdutdMsi.VvtFKvnu5z97SYkN6PiNguPAYfQtaO2frhg.rUJOGGq4SYI9R8wF8YArCef9Wj4gJSA0CENVrcd8E.zeTas.d5Lk8Ae_DgTOSgpsbcgOFkYoiv2MQOQBTBcMF_qAkZv2WCH3KhuZkYe56w7YtqkDKB.EfrxKvhBg2ge2yygak2_VCGPl18EC3pva02YD9CpXJuEsCyEBY0VTJcmztwV0KQwxxPlajCMdAabhb6FDim12v7y8Oe_Eqpl3TJYlB8VZ7RwXNvmvU5rTB2.YYuTygtrm5.ewhQA0Mx60cBgqTNe4ib_BrPnzowSYpuyVOY0.s.wuQBM2PAU8IK7yfWVBa8DDjUYWsbgHJy5D_N2w8tQ32Y3SpUfeiAvs9Rsk7tq9wbs26d_32IwYsngFiakTJOnZVK7i9JIPUyuF20KL_4WeslyWK1FO3do9oKHuvkD_wZOf8SJ2CZnjqCBTEiXIg_gE1GL2wBtGA",mdrd: "sftXIbwEnf7QcrWKa2AJc03IkLM9m1pCKYoWcFPH1aI-1749094758-1.2.1.1-w1gBcZh8yER20rfnxXjFTCBmZyHXAUTld.6YCc7myEV6WCrv5ExdHF4l2zgsOUuiPkaahPBkmsSRzyOus7K_eZ_rVbEtL_IIznQIO4qP5Uc0yLjnbOw3QAdom6YtlnFnBmdPV1E2m0amYX2lFjWSF9tJ6KhpWFOwNrYhVwB_Uq.wubqbzaaTeFDOpKHBfDh9rCW0eWAUqOi5JP_lgPe.iJE.92MrHkkiTlVAj5dGFzqBjhDRiw8Z091pI0tC8WrsxmJxHakL_jc2pdECqjKs79IOO8nF49ffGNp9Cfsj7o7mpITSWnjsmZvVGuPxWEFajp2uG9dtSAG1Fpad8m4M6mddkQyXWFFo.6cd5hGrhX.U05eh3mYPV2v_Xi_qTImDHI7hBf86DsVQfi5hDFYIHvDGp2qx3RzaY2ypCQ56pG6UinIEmHoJ0G.8nb9nvZ1NmkLSL86zd5a945dT.mNuj.wWxudjp.k67BiCNGwLICZfc0JRGYgTmM8ltc3EI9ws2YepU5M0lZR5MTtqis_If00MW9eUkfnVJi4RpZ1QVZNbkNHCm9gGASAS1_BmPkRJ91AbqwqQVsacfLSq7CaDXy53V7EovsvZmsuamkOJziB.XKFhlcTsBf54cKAyeLTDwPN3xZ87ny1M0e7rmsfMHgkdcjHzSeid3XKPiVguqkfs9.ryj_jSOz_8VJ2EWCzOGqlFpH10dMc3y91KGip57xhD6fE.oYFbaYsFhBpCj14cpOL4.Mz0n1TdYKJeKA0G8F.zWFCE9lsv949RZ_MANVfR0Z_FKstZ2b9Bb08lwDGvA2AnqgWKsDQYYjYvKwiE8UJIN_WKPQyZz1QRFCQEpEIv1p_UJ._FdCSUtfYjGbtNGfB0Jf7JZnRIL821N6I2.6ZUFWPusiwFPth5IyQvT9674kHUkzwclvn0OeCygrD7CF_iVfHSzLezxZpn7W6Me0rvQMVigzA2x6YNzWSwULCnXOzIenN4zVYn4pR0G8iEnSPAS3N87UwFgtjlKfGIKMLUghKzPGJD9JZ7FUxu02ekwQyXpxyWDSWCvET1w2h.RHBqf7CHAEAle8gxTZaHsTCGfRXMyVHVGrMBGJ7BiVSGkIhM6FlWIsbfVULvupE2ee5Qg19jy0WFty83O7sKwRF1hXrDL0jePcYg5Lcu3.kNmTs0jBLT841cmEuq6JXHbVtE7.lG6PxK00NEHXE5eiYeJDnp7bljW1BQqsaAIV9rUfzBZapYf2V8brmTQWhK7b1vlewkpKbr6SbzNlKO0pv8vfW045uYqrEiMBhQd6MtXXhLURi5TG1j0a694BALuGHO.DUTFbJYTyvWuohNBS377Sx6vh1BTXO0CUAfY0Euxq7dWximOxSmahF.Dkq2LXy.TqG_UY.clRJWLuwEBsx9pNfVB2c.Yjl.rGhaVL2deJBPebK6QPmFsinBtqomEG4fzxxlvaeOWxuokgOoUFt32fAWIFXD2bnogjkZblQtfjZ40QXxzcuanjUXZ4ARgm._HfAqhkncJWJFRaynIGpOZoC4xryf7fmQDgNUJ.Igi1OOSIvpmslFbD82jzcIa6BYBwlhmZ82V6r5ElesDgAsGVK.bx2VIsrAT8LeAv_kqNvSxmApGuMe0zoMacD3H8GGmbpvq8ZYFBvEPXdUq3aGj7pYNBXy6C5uy_CjTGdMO7GnjMOgHd.lUBrYhcam8MYxf6gl6Nl0l6d32CKNgW2JqRhr5C9xGLvZ4rMRpbxbwXoTCu.k_olHuM1.N_V0b4hGt7Me0Z0dEh_.DUs_shpZ9Q9zuqK1o0ERhkUO.Vv4jydaA0XLk2_G9zZrGVOrlFphFzYFSH7raZtpQSPeLiKPzt7T6kugr_Iw0OnLpdTLu_EaRhHvwR1dfowewqKg.5yv2g0HeXILWrF4Bp5P"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=94aca4619c7339b5';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\/6293401857?__cf_chl_rt_tk=L4FLPWNX1M8WsWlz6KbD5BPwcldEfv5TTq0v6qp_P.U-1749094758-1.0.1.1-JHf4UZxEjDwd83P6zkv3A930godlv9cgdXY0eqs_Ilk" + 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