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://67qwll.mit-edu.top/post/7653819420

  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: "67qwll.mit-edu.top",cType: 'managed',cRay: '90f802074f03d6e5',cH: 'Grx0A6jUyFu8jH2XqARd7n9JvTLKJjYI20X.ciMeZLM-1739147608-1.2.1.1-yUStuot6otmkrcLNk54oXRtp9AAE4r.ZjBLgCjubpn8_ZBA17d0BjU4H3DmpFEdq',cUPMDTk: "\/post\/7653819420?__cf_chl_tk=H8iUp2VBEvNa7BDOaw66UijbO9xcrCvyODDR5HLwYKU-1739147608-1.0.1.1-pxyNTHRp1HX3IumiEUlMW_F4ZimsYHkVwIxzeY7u1B0",cFPWv: 'g',cITimeS: '1739147608',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/7653819420?__cf_chl_f_tk=H8iUp2VBEvNa7BDOaw66UijbO9xcrCvyODDR5HLwYKU-1739147608-1.0.1.1-pxyNTHRp1HX3IumiEUlMW_F4ZimsYHkVwIxzeY7u1B0",md: "W_vOiB8eCnFNxsPFRs_ReZ_Mm2efjU.ZwwUOu15wVuk-1739147608-1.2.1.1-r8Lt3ZoLNxvqzAJpslUiETVl37rsKDiOrPhiQxNx8qXLdOHgow3UcksiAir4ORkaj4LbybgalaavIiyGSKggVEb2rsq0UIMAxwhwYGbvdYIpmxQI9J4P3urdd32t1J2hgI.vnyh428Zy0vYFExGHVXgD5KPcdMt72q3Y.cp8OE08G7sVVrN7XydsFjzQehzPI_j7YBTx_SKiTjZtAxlfjUU5HYD6AHO_g.e40qXU3HyB3wLoTVlFzXB8OBkDR53X7hEBESTZfkorpA8_e0Bs7ZeSsfY9XiuFS7HQa4gYYBEMXLW2Ah4a0SOrECrYMOX4fitJIHGDRftEu_71X911aEjx3OwF1EJOB.zJed3ZiZJVhZl2YRYufGtw1HCiowBmCMX02zlTsU5A2cgClg3neLtKw4M6l5CScFf1.QMSQc.Kcwt8BaxvPA7sWJYW0A5xrRBT6J_xMEIv.COT2z8C9CByyFLVf6cPKG5qQihbRhtmOT742v1BvU7dRfqOIRjtS9lNQmusMxlE_U1Omq31uDtOxqIm3TV5WwTvvvOo_ZUqIo97mPJn08q3WRo15JtA2z8IindYknRNmhyrcYXTUVqeyc.CYv7W69expthySVBS2eWLdT_FI1FMLyOwgLNSq3jxAzZTSJkj_0RP980pSiZjFTFqVAj_Sf.GPo1z0Ml1Cwz1qJ423vCqMdphhm0euBgeXbgAGuWk19rkXa4v1KRbedTJnd4kM9UN0v3CKHgpoWjr_wWgLc73gVKQ_ykWuMn5vMKUiXjB5wpbQi.aeK2KAAT0Y2h.m9arKAmjtfZR6SyKlPNktDEx06cEkFDpVs0gH9vTgj4ZseWhD7i9XYDEQediCpEQZnwF4_0vUq4_Wp.zd_MJf3M4prKPXMIdnZ.WgM1H9WEQTTWqYWM1N_TooWnFX3mfDjRaUWZ4PTzHFSs2LIGBbyUmqYOtdlUL6RSkqRB295k9A1gdfjzwm_BKJr8TNpkVS06LtkejYxxVdcMI9G08w_nE0A7ZKbIXDl9ANSEMSft7YHhg1zOT0OAE1b0HQAutkuvSdwh4YGY7mXOZfS0xiwOtCKh8QN.G90qUuj27nwTfc.teNyJa9_eST8Pg_CylU6vqFHzsnNis6oDuEQzyc8RTZTmNKvTKBe5pGY4x63mHu.tAgT6dg4ih8s1W3IIeSgyXfbUylP5f._.BVNORpk5nyle2XkE_xaf0.C52AsaeB6Dd5Rojvj_M6VzOwvufHcINp.X2LxkBC8QzQdgys8Omz4XxZcfCpI.Yda1wRBR8WXUp0MDeh4sHaJpNKG7vq_UjzWJcXQS6sIZPBX3KUXZQqBYcqoQbf6b1t4JaxxIW6uGipfuRPUN2dlfODsiS6ox_MRHSOa3YS0yKbY9dZLK1vd0LS0sZ95jrnU.LmaJmnGc7tU5JHWNPcRTA.09_6rcfbfHtxNIadewF9iAmbANWr3KZP9LNGD5ziMvy25YTCbamTQywos9Ip5Y75tvK8VrmRZaPSw0_u_CLncl7X129LdVTLBa7eHBX2f1ai9G6pCWe4SCvlrYu9treo_Jw_3k1OjugWBFrQqEskAudChO5Po4Du75xVc6ApmrqXQrhd_1WV3MVpe.tHC7ozaZnsZnb44t0MQbo9fSCk3TfdBif2rHoxOSGQDKNFud8IS6NDVMZAgPpFH9UIqRv.1oeJsxo..BbdIE7ACWbdejhJj0VZ3j7ES8GLgZaNzao8v1isHuRkNiKIBBLkwovnZXgunNmbfywZN_5_scQAWls7TKaqLPL2dto6V18Ywr_ZTZqLMHhWpT_tjkulHxU9k6jLCPh9mbMZSGLmHcC8D_WJU9I5q__jBeOLVTN8bPLohbN8wsjcUAyuwqIB33B.6fKbNxGGd6xOlZeGktO1ik3LUm6M72PB53KDIZfVX.n2C5LMGGk25RXN5mi6Mch.cEdTioQNsJO6VqWyiuBEnWHk1pizVHSNtcxLRHonek_gEgXQRt8F4G_xkM5WX6C_ENun9Tj6Muipyddkv1zlipneGKhsO.ffAI40baLfVmZI0EKGHInam4VpPZH_BUDoHBXVeJevAlA1cO8xuNyllLOCsr4VCbwTsxrYc_GOW_TvZRwnDVqExN5AxwBoy_k1TXiV3E4DtR.pGnerVKeaeV.cgZx.wzO8heMfVPFr.MsthnoH2VZkoDNokfTO66SCQjh0PuKkm3cyBE",mdrd: "2YdRqYjcqrAI2zTn_mhqSYufoGxQh6D550IQ_cHlwFM-1739147608-1.2.1.1-drLweQhLWSarSDg5rfyZbBlPkn8_GzoXYUC2b4AmyGWsA6esJ7YkHo7KRHwRoV_Gm90i9jPikBfwtu5AM7IDBNuW9B7uHE99ojTAifmiCBU8_HzYqqoqUwZqQ917YbVcDwG67PqufseS4_gcrpdh7YE2AZpochXdpMZJ2O7vvmKT3tshQLNBPvXYQmnyTu_v_hRksglStK0VOz1I.QBIsTatM8W9U6Bk3jf0m.z4GFo9hwDokkGUhylTo2Uczxvlp_A2__cc4iEQ7heN4UOpoNd70tzXOFzTO7RqfDw__62.fT._.f.P_p1VqjFqkmN0MoipWil6CeRFvZwl96esjUYfBiegvPpGYTJHDE9j5lHmnf3vUskpqhWvFFYK7_983VmqamT3By8BFCVgf5IVN4QtmthU.d8fT0wnqT0n4KR_F7l9H7T3EwQGvsA1jUoyrug8UNLmnZkSmpQmNvXECK6l7BuxxU1EpS_CLa1d7ld7WuBIho6QDVNM8P9xc9.8bNiQjuXdLxFJYXmRCUt2k.TPIzL03p8M3y_FjCSeCAI2p.5nOlTWm_jQS5EkCGhSftmnvlNAk2PQGOyc6NCGDN5Fxx8epYhOkvTetj.L1mT3Zx_G5Nwaow.waaY_8Fy1IOvTKn.cxv3AvlYo4O2tNQAFGb.PTbsrXM.kxtdmDpCH2CHdd6yDMwQXUl77cR3XHbmqzNBFuYEZaZ.._ucRQ_WIGZkQ7bccVOSnlTWuzXtXSPocpXozSc2XU_kf4x6NWuoVwbpHKueebOgaGleTmBToeBD0YsLNhUbe4MfghXj4otAz_RX1od9eaOGtVyedvA8DQRUOPbcyC58VMk91BKaJPh1O_2UiGvO_l6MNgUmH1FR40wozFPxXmzJlfk0yKC1ll9xAlSOuvWztz1LVOJ1so48gt6PJk2EYsZ8XDEwMJVqz9FVl.Da9FE3vaLDdYIt.UgxIiDBsVYNNxGbFjjAwMBrjIS273euPFrXbm2N38JIic7_1_N5c5RyOwArNSSUV6lEYxjiflfMO3im0rv2vaRBV5BL9ndZipyCGrihLufwTBHNPtgrLsmQ175GJK487GBFpcMplMV87irzJ0jazrNQC.D0AWF16HW1ZbdSrHZvD0Dn6hxyX1LOHkdGjKwGwROqk0ulZFbWoWPKbqDqlv1.MZcgrB_rApawLOj7bjaJzh44IR1oCKvmDZw3trWmrKLQmUxbKoRTK18AVKnj1hfUxdvw5bVvnfgXkpbDK7AFlsj3z_lyi3F8W5ACTNzFoJJMhidbKwmPPppZkBiygwQMQwOu447JLE3eQRayXEwrHuPgsS9JiwJiUM_if6xZV7FewyN80GvHcrLGlHPyCvQCIF5t4OtVZPcjzwL2Qf_n8TEY6YH4LbfMgwTEpHxPE77R9vFxxdy0XwhoVag__PUXNIyGOVUJkjINTiXkyzZY5NqkElOFi2Enc8MX2fIzb9PK4nuiIMPRNFvsWUxw.vN6k8yWdm4fWQkw7eKbU_r3P7joEl5sl2OO73dh_pCQb_Nb8axlt.Pbk1zbRYrZKNp58f76QcjLbAVqpfgpCywDj89lkCeSOIxa1pcywmUX_5oKQcaqh6F6YdH6q74.Hhqe7i6Mghe5IJ803rqruZwnj8iWqZ9RtB7POz28M.Qe9kwQhUCiOCZuFmb242py37Itzk_2jyy1LLlc1hb5xOi4EgXvbxu6ip3PQI57JpiaZovUIc2V2pMQZycPLQeLgalMwa1Al9BxRZp5tSQR7hGkMHT98_5fw9of3aSrv"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f802074f03d6e5';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\/7653819420?__cf_chl_rt_tk=H8iUp2VBEvNa7BDOaw66UijbO9xcrCvyODDR5HLwYKU-1739147608-1.0.1.1-pxyNTHRp1HX3IumiEUlMW_F4ZimsYHkVwIxzeY7u1B0" + 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