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://389499.mit-edu.top/post/1039862475

  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: "389499.mit-edu.top",cType: 'managed',cRay: '90fb2fea3c390853',cH: '10.Wfp9Aza_kDMmsSZBZx_DucqboPf4hIqP950wbqTg-1739180945-1.2.1.1-O1mmr7wqjY15kk60WLbbwL0lL43lt6GP0hbdTkciC3jwYKzNyXYLTv9LA2xQQHsS',cUPMDTk: "\/post\/1039862475?__cf_chl_tk=zriT8TBrszJeIA26UCm6uKkbBJnfnRYDYa.DPRf32Tw-1739180945-1.0.1.1-MKmdEJOlMvbXRdKsQB251_.SeyXviMtsOna_ckj5kvc",cFPWv: 'g',cITimeS: '1739180945',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1039862475?__cf_chl_f_tk=zriT8TBrszJeIA26UCm6uKkbBJnfnRYDYa.DPRf32Tw-1739180945-1.0.1.1-MKmdEJOlMvbXRdKsQB251_.SeyXviMtsOna_ckj5kvc",md: "HmMp5kZ52sGtz3Ijx1WMLRveqbzVPrChZiLJHrqDl.E-1739180945-1.2.1.1-RAlMRbKk.rz3vkqfWMIT.Ud_zLBc0h6HAPhsrSr72v_yr3ZO9W67VKy66eYmmg_ugCTDQ_D3yn2eZGt8pLD6XHsY0cDtz3mg_U7lGnuDY_4XG2VSbM7EJvR2QSK3HKWL18kKc0TSxPDjHYl7EXX1PDN5t40osGeCrfaOY7Yt8OIhT6kYGJia96WvONd2U11wJi5IiS4YRTYsh9F0SQ5HVKjDOQWq8YwnY4hIar7CsD.5F_CTkx_5_rUViCtXNvE3faRf0cEf3SmOdnlvQXnxpsMLiLL7hEiD5ADka0tH8BYFtKzwi9wMOBjzPaY1Yy7eT05paYfvPYke7F3_2ajPE5k0sEduU7dfkwMWSIsWBZfb4usJQsiUIjVjJsQDqfxvWSI.mwF_rPU_PvYeQZbvylCo5MlJ0Z2J1.Soh8jkdFfu7wujTo660iJ_DwPBmXbf89gRCEt2CmLNbpgtxcaDSNBl5V8wIR1eSYvwb5FnEOngzDiUzHPTT5v9cPxKXdE5wRIowYP1rOIikfT131HbMh8UjVpkOvItpiNoQAyOfRzZVp9z0E6fmdWCJ4e2x9y38uzNii0Z6kvqi2k7wHndSYxcIxfxqcanghFXAGQRJM7fvTtLqko5oCNYUvROWMNxoL8fHHfN0HXjWc43oW9i.hwyGGdAqWZA8DNyiUiMR8XxkAuMiaJhEqldkDrPBzwkHBQgbhHAOlB2_f.sASIxvvPBwU6KMWhpuOXNLZBRHZTq73iOn_nFDkroBu3hJMzPCAkT1Z0449Ks_S0k5EqINLBi2HozCAxmQL2aGY3vcLhcbtj21iu6aR1am12l1E5mIUsOq3S2IjIZXpY36bop7tzJyVaJykhdQMX0J8V_RUxK2dekLZYIDLua0MFBOI7Na4HVA.cmXBXl3wkbIjm8G47COrrDzcZibGndILiQOutDxhmAPioDHOx8Q4AoY674cNokqX04FVykcuGy9vP5ilR2DkDWNGIxu8c6cW2UUhkzZ2w2uaNqlwdiPSjxOPISd3QzKBv7ZSMSdb12vMRDLvrvsVxBlPa4bT73ey9mIARoUfGbhh_26U9t9cZ7H3gTcCZyH_YzmhZ0nw3hcA8LMKSQvLkN.mLJeUR.T2X7SVTO7RM2FP3PKY0jzyxpnMCDVltH7Iq1pTIsOeORPbmNd2_2KQLjSBInKVp7GgZu9a9CqS7wwW0hcfHWIHe4HAub0tRR57QQModzRuvOTwfRKBm0X6PQYeHZQVxMIeWCTLbuSP2e40pRGRwvpPftKYcZNL.Cmh8s4j9RI7xOMKj6AkvlyTubo1dIoqJ4BR9XRa_nMEx0LU6pdCfZGSODBOI5wjPBBQuaamL.Zqz2wUh8gZravkx8WW5vbT4LQ4G9V.Sm5XR8sbBwru3SbpNTtagI.9lYnn6.HUK6m20eYjuC.2PU93ECNSVRH7Y5i_qB2dg.A7aXj6cfaSRRi9cZaWC201OcJa1_GdmK0tu95iZ_axRONkimr7fF_xIP_YOs7AgnsV8KTR7vuE.oPnKk3arOrrJTk5ttlITiLVcWAKxzCsNC8rhngYj1HdrJ8ke.PHjlxmUq8KChvqeQXWZjIdFTRBuydG4DYJX31xMGwHDpS9cgRakBDU_ZQsDSPPAJfIPj4BksSmzPLgG65k3IUJKiAWR9NmbifQUi9JYMg2AAkiAUAGkN7vNLiaWj8ylEj7opzh8x132xOLeqc22m3PXRx0hY.aZfe6.edplMIZtdt7lQ2il7Cm8l.Vh5M8ZA7M7zxFtTRU3Occ6vHnjck94D1lXZgn97jhm5kJg0l4Gkd8aW0pI31Dh8Vgv6I9MX4jh7M3zWLlP3uKSdTPOsWcUEnASzVYr3pQDT1D26PLypuY5W51Hvd6lFvl_rSpOU325ouoQnYVZ1kDvBhV1yQJq7vAA0N_bktxieq93DHS5ucusvF.584OhiaHvCp43Joq340FPiTqdAtutslbWBgAO_dEskzJq05bLdrKh9mtb8Bhzch8OhhTvgfrE6nkAGIJ5qW4I4K4RZjuWfFVdcm40WRdaJO2And9LtPyhyKFZzgaiHaFxehG1ReMxixO_CpxMDLehDB4wsZP_Wj6uGLqf9J71NrcrvkzEbcS7PdOh8jx8uoJR5tHluGs0m8gh8JMftfHxlnfkz4HSdB0g9NgH_dqENPnmaQI7PtgFiC8YDgVo_BvJL5M0jbV7CBl_JwCI",mdrd: "Gc1dkcZVHID716Pript721EWcojz48QfZxYLe0.bcqU-1739180945-1.2.1.1-LgO6tMD90ufORwgqK3QpbHoMsuMvTQ4X6roKsfmfRKAK6mS8fC3cL8ech..kZXw4RcGc5m3x7CUEBImAzU3AxjBVPidUz4ze2r7doF3eF28xkurYz2w0r_7HUHPq8O1JXy2bOZo17b.L5.LH79Frz9pukRFkewks0unxCrrSF_NFiwzW0_eHUOarQWgGCGrPitDUMWsoN8RQLqfycrKM.pggaNA.xFFe24gTZSN31m35zAv_IuKHEwDJ8tcxCZAhBGtrFuF7N8NCtiI6xHGYYC7RT.yhca.klOwpVS19DL9qItrlgKlG40Eq5.x6USg9QH2RjApqCmJFSdmaGh55rkyeiCohU1rP5wt18HKroYf.01J3WuIIsDe5ttK9PQhCHTLR4k16o65gbx3ojrDxT6aybTWhe653UDvmmaodEO2_nAtXuFzAKbb8AjyUxjp6yX7K8qh7bzCuBXhX0r8wOCFz3CBnkY13YWId7B016n4Yt674P2W0iskXIwUORpMcvUKPMOoBJOUwI13cJz_ga32tw76BKX5bhxuoFpKHUswcnr5CKA6LNgFRFE3uhEI9sjOy.Uj0ykQfqOl10Z9s9pQ4yoqgE7ySW76aLQscfZEUKeT6SCjOmEao8mAR7eDKUExVclkk6ruM0IFTobBcBEVfqq9zOyHI4Wtm6_nigTGVWA1SanSmv0OKAqRPhxkyCYm0PPUQBll_CcMzYSTpnR.Mtxl5PP2v89Y6vyoXY8uywlgXt.8w73vMYZIuWGFwVe5m0ZK_4dCUCGkf5DYnRjy9guZ88ZDlIm0DAhXGGf1pJIQiSgKd3AV9MKeBsi6ALhVnoY6mYugjhVe9.yOBvnwuCracnfZyF8yIm_RcPdi4rBvCXQNR7iu0RASxZCGAxpIbKfzLlyEfQC1dlxL4Zi.BbS28Hr_EI_OC9fkhdDeEOj8MUzH28M_29vxmNMX.r6nr3v7l2yXC2bpgD6LH6sL7LD1eVFFUBsXMyHIfita9OhmM2cvyPyJ.NCWvgx.gf5QpP_q9zW0Ol_ZHwokKuNci8lFgDR_2tZFMFgkIkvF8mrtaxDgRACziTz1nnN439WkrarUurq23Au6rk9uV4wPWt8n81QpCn3ioI730mDhY0cffM_BJg07hEBqb0JSrwDQVAfSgspdVWblZ.UmcpmVndlhPj.EjXgzXy4hnna9S_XJH8X9zBOlVr0jAGJ12CLB6nLSGTpKPbAoQ7HSDvha9cow5BCm4lhvdOvOD0JXpHpU8hn00Wbxg4SyHTs5au08_YfTBHoqpw1oHYSEtowEyBvEmep31A2X8tSX1cE4IBridl5v4MfJuG4HQJCqipZmeaVtzOq30dqDfWMbtxNYDPM2deHUEZQwiJyc7RpEaN06T7p5lvJQvoywJNBGfOJ33ESqb3RBm2MlzZa4QuMMiUWRsJuJDlzJ46ulP_5T9ZTqQRMfImLitC2H8UwdLvnQ29fsCIx5FCyDnYYjyiAsjTl3MH833zHnpfs_oDXNnAykyQJHMYHAsHJq5PFBF5ZSQtfAadqdGyIupR58Z3TolRI6v839M.C4nYbrDGJAtVqkevXBOKjHtSvzr_yPv5j4zOnzK_ehHMwOANnyu6XrWZcaiEl89bS_PxbyR.yJxuzFm_3olU4yrTexXW1Lxva.lM1I.Ks3ko6ER1pDbg_vZkhtX5qQJu6H.KogoRcxeU12rTmPL.6wuFvap0hIVN_5_mekLPUOnmKJjkFsm5PWWXnSXgkxFG6lf461H9ze7NNr5vAbvb.6w0vF5Pv4k"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fb2fea3c390853';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\/1039862475?__cf_chl_rt_tk=zriT8TBrszJeIA26UCm6uKkbBJnfnRYDYa.DPRf32Tw-1739180945-1.0.1.1-MKmdEJOlMvbXRdKsQB251_.SeyXviMtsOna_ckj5kvc" + 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