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-435467585745.mit-edu.top/post/7623481509

  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-435467585745.mit-edu.top",cType: 'managed',cRay: '91103d5f7d21e5ff',cH: 'BSlaEX7rMkYgDBj7WtQHQJ8wsr3pZE5wdQszH0GrntA-1739401697-1.2.1.1-UXUBZPPZbFydWPQCVTgzKstk32M3vfyKwifCmZhRTXu7QDUOcrIYnkrdZtZRVziJ',cUPMDTk: "\/post\/7623481509?__cf_chl_tk=mXP7CvJFfN8F8WgqwJULxIragGjJ7t6duvmBWyQNbMo-1739401697-1.0.1.1-6ulm_n0o9RXyspoDDP9T.8YElBgujPnSYfd0VmLIirk",cFPWv: 'b',cITimeS: '1739401697',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/7623481509?__cf_chl_f_tk=mXP7CvJFfN8F8WgqwJULxIragGjJ7t6duvmBWyQNbMo-1739401697-1.0.1.1-6ulm_n0o9RXyspoDDP9T.8YElBgujPnSYfd0VmLIirk",md: "Cd1BObw1MN467TKEmbA0j9q_h33jgCgN5RiZ5DR5FgM-1739401697-1.2.1.1-v4z57o4fBrF5rz_VoR5AHqMDNXbDIA8nNrQzMzGxYW5uzNVK0gWhpa5ZfCpjsgug1K6xHAEVUDucFC4Z48hN6Y5.j2VJMxePmyO8DZbrL8urO.4YTpSbv7QxhnBiouS.ZtAJ.BGeImzu1T9Rf14ZQa9VEkVY_g6IhIcaZnClUWCp3XR3G5_xz4pP9u8U6rzSoMIEcQMH2vInI.tb6xPDjUAXnvYsY9r_qdJdzWT2iLyLjBam0ArDrxxLq5YavYf40RdE0fBr1cn1DFjCVYXNrivpzVmcNYv5vh9Q9Uv3cx.fbJjlDM0PSDNf.j_EQj_ARm0JYahYMbIzT6AnFBvkVpsxSHBztsoZXzQsxFITTHc1T4XI.1LBdMXIcIvzJxSX3Z8V5DX35FuP73AvcbeCWplkofMRtM1yTPP5um5w_83QcJOo4MYB0b8X_jF1Ixv8gKcG9mjq_0iRSuznJEkIL1X7imkk.m4OIJ9RMF_9Hcnxezw_60v_3xowrxM2pivrl8q4WCEzO8g76uxZRKrKTQB0aTJ1MmN78tybcPJCJYeVOtPreCvTouw1CswOvLVDXtBKkMDTqFznNsbRwxK6srulA3WeJkX_087K1mMitKxwM0WaOPSxNJPdJWlKgZo2KiuBE_HzpQVKcE9QjjCMve6PUn5.0T7j2Kgf0xsr14peVsTe5bbjOxE1Bfd4vQUNgZuvVo24yG6isP0ccj99fa3tu2Xk3WLTcEEDXZGJC8RCY5PSI7j7WAGubstBlpqlaVW858sfOfILH59pB1TKaNdGovcSmY1HNqQpvVBgi91ZLRcvREmdPaQH3LUYC2qppr92U_K2IHBgCU9WsMdwiA6ZYQkPslDvHR38t8gl2TAW3BG.4uT0aiYkcYM3scdOzmTfvAV_SqrSF5vO4lDO35b.u_3JKVB6_jeAN8.t8Mq9Aw8Rtx2CvZO4VSrn2djPaoeoABpVxnA5dZ3zR9jxvsV0ETMmaaCLA9CtxnzhhxbswsNURtXbMmAsh8MhHv0pfe7FSoyF8nAg4eRrkKh6oi8rR0zMCFfDgGwVeHWySiLkNaciUMKQj0zZoVXdmxLmWEiSNB35RoZ_yLOzaXZNC9YGaDjdQtkNWI7FEktuwjhmL7pn4dZGCffjaIV55yUtiSI_aqKzCZ5.hZtRRGp_IY0NEU25eCDUyK_yjtNhUzXwF53KrF819R7nc_VAUdT6TNWi8TffmrefgwqUhmq5.XvYjSXqjYlqHHR0h2AQS.t2xjz91OEzuhDHJM1RqH0bMdb01dwK9pXbeyC5rZ8x.CWEB9IM3U._fJF8nQPTtJQ.DS56Q0XQGuAsytptRms.2Ma8RWe9HN2kpDmAzCGvxkQ5YpkzIYCUFZJzN7ONQUINcNA79uGZYo2L2ZZNE0k8U1Usy4Ayr7VAokTtmAZ1rs4F3RL3CBJoQZpm8lwtS7tlIYZK_22m5I.YOF.K0wl4cyIYnYZQCueE8GVcA0lEtPYY7GQMANu3Zx7GdNsbaEJQTjMbON8izh72pt2ki8LAm.qLqc.t2Rr17.NPn.jsItG6nhXOn18impD3YvRdGvjQY2kFaXUrpo7FYmNK.7tL5RxYmIL676KJB4iaqxC1Cl38xmUUyXzhTq1crcqgyWQosMv8l1141otmswzYt4EMi3Og1il8x4zqLVxJJN7rcQ4XCXwY4ajoqURn4NmAl9nyBgSWtbwf2rjqMuR7jzUR0gU4sLh01M73Cwor3rNdlqc8gfIo_76w8tTH.PF2ZcUqHxz7taqP4uIYOgt6IMUYld_5ykWXOdkI8ghmTqh8TIzHlOUjhZPLM3yBBzvsSOWQQT6Y28MqgZoHXHvVed2Sf06u.IkgQgIvDRTJYiFajSTKaPiKdRQS8BEr9.IC6gOU_Ky43WA77sZtmu8jAxG6KGEjvkvOlU22UYH_kVAHoU9YCZeCAizu6esL4gaNS00MBpb0N3LM7lo1l5Mb35gXiU5ZuHNva0Rmb_ywIkH7VGh7ymn8Vo83MjgMcz.12gn9IKJk2a7eAL9tnIu2wuiSaX_mK1OyH0aUIr5vzBxKODrjwthZmAPPKqzAKNHnrK4vFOXP6PdpqjIkpbrojjSsGOqLeYuBZpKqpaU8WL.hzNeK.4_CR.VL4tbnRyxHlQ4MWO3W6LHwaHUI0btRt3pfE3u1ce3cVUGMgCZKx2tto792dttaHeZW94Sv9sFphmWcZoeYtRkluUcTxpXTOiqK",mdrd: "Alkz4BEz5Unr5X.AcRvLfjIM0mkiTQVTJrEWR1HEwEs-1739401697-1.2.1.1-l9kDcnZpSZA8.9Nq76EezaRSpo7KW4AwZ_yAkAv5nqcgL6Pxzaj5t7RBD7FF_JiZkw6b59qYLxnjATKTe0FAiFSDs3a5e5awaTrTThITpS7Mrwv0H9uE4HL7SCdcxX.Ud9aSL.qmw3hSGYkgegN9mpjnT_EKbnc9LeBXevqeSiKl4bOpjNJZm3G3tCMqFbKVHVCjqJjlIGyChdiqzLt1A6yiIhiWNTLkglMBmt3IvdoWn8ji5KJdPZcQwFcw3K_UshxUyQndL.mudxLXB5fiuz._.Kk6oH3vEa3DZ5XQjmRcrFgCO2ZX3RXhtrFmSmpcY1.Xe8niSJrSxYk6D_kNCIWNN4Ly2l981cMjJduzAVT5oy8cZdAlZdmJIB7s_Ufp9O4Iwx0qCF24uedPDT._rmLW2O5uf_2.hXB8r9sBqfxp71M6KJouynwkSvg9b85jVj8B9TT9KwM3bumqK_9Mt7yW5RGgUmhc4b_Wbz9z.GY0Gjp7cCQ53xHuR7pv42MEvP19RMi8z5AJECjfGys7tV32YN3UwPkB3LYuRBbp_MLzKv7zZO.sgOO1G_6Nt0ay6iMFSp3BeAADyT7PY1qNI88.TMP8fdV9Q7LyLX4RKQU08mzkl0yJ6enR1H4JxbrJGYc8Ta1KcHzCnSE3C15jakr0_A04k1BLEvtHccKBNsP22FQfX6B3GmTL6kXbW911SFqjPKh_pHiNP0PYfft4W8OiDIM2jT2f2SBBcNFg9pfIGG7z1qYxYHRrWof1YVUpaGjVZr41QlRPEj2jJ8m1klXJWpQRotdrwDdGth9WTmtGnUYMcV9JVOvYWwe49eT7AeuCkASEL3P4HHbILaIt5POCdAIRzs5_4Ler76no7pSuENXrxXEBYJTkcIIlW.olHfKz8d2Hgpe8IJt8Mgq4iTSH9XhRXdUwusJWzhcwzn1db5opKnNENLLuwlL1NCBJTH.V4kaqh.IIzrNCyy598cLDXBVn5G0RfW2YKdB6jGSTVkrps2azGF1_zgP0pKi4.yfivOlOnImYX5pzuTywLUqp037zoM3VbHEhU9WSKU6YvwYa_YnzrOw6UYnZsLPUX_SRy34_QePIgL0eENxrbHfh4Rje7Kpi3I8sAG1q3TyUNmG_80iYFPNABh8NvkWSN0ULGrbcg2bMur0Uwm2zHyiVww3MqcSvH2aJUXc1gF3PIyDOz7BoxIXv9.XMkpOoxFnyuE52c63.WBW74tEwy_Gx_UQ1eoKGmYb7YyoqUEdpucWrJXx1if.gkuAKxyNKc90RAOdBxhr5EAHVtUfGsWaQWQYmi2sHJN1b16cVQDJGlzEYd7FIIQT9bKWe60Ap9N1S3DuvhB5nMjw7mdqa3l5d853GJQaMY5b4ZInck8QR3oUsgRLKFzeV.SPd.7z13wR.izIEBHkuj0A3RiLwf3lgqH6cxenak5uHdBJTxAxEPrTQtumuC2aWE7SRSVv0txUbKuFUYm_NKNYL39ukyNjIlkRB6gYnCDDSs2OUx2DsfieSlHV7Pi6xKCpUvsD3MfYFEiuq7rMboTynn4FjruCi1VCGo.B3EpN1Vf4aMYmdMZ6zMEqa2KVmhvORw0YfJJTkUtzDy_Iamugn2hQY8Xetos7WaL2pYVALyTCosG1Txt6vwTKnPONoiX4VvXPP777MJ.yrPZAFJGjlfNRXe5kzF3mQEgYxOCw9TrACzQWu2pTipDJpslpaUymq9kWZ1wz5q647JUK9APIMVw6vUzWOUUsZvLpz2gouyDH.s2An5BhPI6cg6eX6WnX2FmFpob0XScB2v8PXf4lUFG8L.Q"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=91103d5f7d21e5ff';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\/7623481509?__cf_chl_rt_tk=mXP7CvJFfN8F8WgqwJULxIragGjJ7t6duvmBWyQNbMo-1739401697-1.0.1.1-6ulm_n0o9RXyspoDDP9T.8YElBgujPnSYfd0VmLIirk" + 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