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://t4lavs.mit-edu.top/post/5309462871

  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: "t4lavs.mit-edu.top",cType: 'managed',cRay: '90f673998ace0812',cH: 'uY6WytIrwcDOvc9P7ioZnuswld6f8YvXR9NorYAVJe0-1739131288-1.2.1.1-1bME_MWO_wA95eUTwJ12TNYpRVDrfpQPd6aT2kHwGbV.qeVsJfm0Jn9h7Bf17RQm',cUPMDTk: "\/post\/5309462871?__cf_chl_tk=36gxh5R2GqyDsv2U8F2igyBTn72ZFcv4hAst2wUUt4U-1739131288-1.0.1.1-1SQ7EFqSUboCjodvfGmAdgTUkPCxJ.v7Dla.5YavHHE",cFPWv: 'g',cITimeS: '1739131288',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5309462871?__cf_chl_f_tk=36gxh5R2GqyDsv2U8F2igyBTn72ZFcv4hAst2wUUt4U-1739131288-1.0.1.1-1SQ7EFqSUboCjodvfGmAdgTUkPCxJ.v7Dla.5YavHHE",md: "mozvZtsZ7Vcc3pGTIkloAogbBTdm3MBmJToh.vmp2pU-1739131288-1.2.1.1-T0aN0dbpmcfVEjtPUz_819ftiQ4vvNqhnKwk2QO8lqSQq.McY.EdYP.Pq6Ln3DXEgqWmOblRBkEWtuFL1CmWpoz8U2ArXTZnZWtSgL5VyxoD_TcRcWI9z5LyLvxpYUlNPTZglSno2BscIefKPFuS2KRDbsKdmolV40uBDhd5hEm_dh0e9.t.f4v6L5DPPIt0TGDROM593_gT.pJAg10BHNrwPmQCSsB0F88LUdkaod8lnTrnrsNXaEeEtdM_3L6WEjTuOW2fmLbRUaO.wlQFPmhXV5oo9wGvTdBJkiH4HGW6Xk78dpETCByBBOYkYJZF3cuezZ4gvZi4I084TFuyGCe2kiKotzgB0asl82hiM7C83qvNsaaUeYgM8wpkAQv10kKDzMbMClgjdwOeWreOAjCKhvho7WgqNjZ0_zKztTm4v6LZsV5v0Nek3CtcpvP.461j.HnyanOiIpfJoZbKpi.Pjm7ng10WLWcCfR_hmFJiu5.gcsoHY3.T.xlh80TBIasqd5E7Der0y_qbSBoDmBPaGd2CkfMp3WlQByg39Hfku4JtQrH9EFZosmRoT2HV3Fqo9aVdgYHWLKpfdS_n8bJyfBs_xXYXyb2wUBDrl9X0B_6Nx1kCrI2gy_fPAQ48jf9MZDM4.mT46yqjkP1ITztgjkEpoB23gusY.TXB4a9mdzgSl1C93386VtmmlT3K7xSvhAfTLKeZM8YPIsgRh0Nc.hoVINCjbrbNf31vCUmzoXB8119QXhk1ojX.ViS2L6zUxTyRv.p7ifUTTL_X7ioNhjkHXN0bazZXAdWsP5PcIM9E6_nyciSCQWJSzRT3IZ7h8OQCtQmLHkK59z3y8X8ZOg9YxlnP1ZjGknzYLtW6Cif_UnJuefU9_m0.leimg0IgZ5DaJwStkZn9JhtDF0YQJsIy0ovBqEz4kMDran4hCXVdsW.TW9lld9x46Jx7wSX7lRZg9kvy3ytLq7SpPJ4O7zTtOZCq6uDeIHXTf_JOV4zbm0c3xKNl8PO2sgCfetdHHKm3T4IJ4snD52NoUrSaiYXmv5ixmTVj02I_uA1Z4bWbVUr0H7U6TcmWgLEw79VxOdh8DKUofYfGias87.qt2NSIdVqDTcAclZ2AaJlQmxd4XYqOGxVfDAM7OJCexCQyD097O5vQ2tcgaGwGlUoyHz59Omyp5XHmDWye5xHkC4X4VW_LIb42IB2Hi7IhI0z4w0S8yUTBtqQgZY.4uIjK7FP28rPOndymIpyLcTpu4o0YVq2mXJR9AxkkqW_9U2UPv4F6cK_83tpUKV.bwDau4_M8mzOTS6E9d3yhOs6pETActFublwWEy7ELiyvU9qWelrUWFkbJ0AwQhl8j0uMEujw6J_sTrAfv.WP3t46qqgDUFczqdZMbHs2rWPY_HqF_Xrxls5CCY3G5FrfB3vhO8el9i1hH4eICKf6UGj9gM_.t4o6i8hhGwFJuTZEmEcjjZ.GQ6_UYSrP8sEhD7WeorJi.EYhmBw0o8DhZDzf2ikZsiKgDk3sjrM1UMYrjVKUjHwGBeOBywEMW1rp0tYVYAXSzy9v0GYbncj3mmLyIJ0tMfuWX25PLgSj18n2dV_MO9wRI3qlX..8k3OMNQIMNZCf3raBlBYMwIozHi2zg9TtX0tS_RDqqTeTHWDGltYhN7lGn3j4EmBJB2UyR20FkozfZ36qtJUnVJlV2KTpg510YlFrtp5YQvvAy4vPl_oZo1vZXs3SiTbv12vmV26YHYE7FKNS_j4_xWamaVAD.pv8XVhg0o9jzba0uAaJlJO_hCSDXGhP2_jBqr0_Xo197nv8KqnPziZuIctK2OfZS.zMf.FMmUpPJNbupeZBHRRAlg_dWT1HabxBfTd34y6EWaTGPBSiP1ujA64CfDGfL5dM3w_DnGxFcu1Kbk.Lh3nQDor_kN_CinQK5xwwjtDUUPBoFp3mJG.Pck3cFojzCMRizBnDrPqL7i648cDRmYturSRxzntPmldvVxmeROYyafg63E1QVhqxvq6iEaMhLVu3cnL_ifq5hhKSdkHIJc6VC0FuCRZ5r0UP81fnb_z7cwL6zdW_mLrNduje3Mh7X3KwBZsF5c7OXEAdEALD5jxvTPfbxBbDWq1AsOzwdESVbG.Nc8DneXRnOz3N0VgJYXYuS3UGfdJxUPcTtNt_Q1RaAyyufHCkB0dj9UE8QtT0zWxE6mUY2hXaxuBpZuR0",mdrd: "pN7BS6NLeTMqQfE6wksZP0gIaZz8UOOAHVaW5lqjwMc-1739131288-1.2.1.1-FXEZChk4TOZhgIPmX2DYqHrU2Zf1J9PBLxCmycryV5M4wQ.dTzd9Nc9hF40Auw5egx9nVCdX4YjfERppZv1XM54jx2lC.wlNTGVYzhu5uy4X7a.u9JjXEevxmmixsHD.ZSPMsDQFykP2YGkmBIQceTCiqzY3gEwauRn0jhpwfor8T1dPJnktKirJHEm_TZq4.u.evdJQBqh2Tntdwm_Wtl5gmn5UNYWvgt4BWu3B6mTzu_l8pkvVQ1F4HmWs2I5kGh7D39.35_Ni4lx1_gMnNKdsHLk18kL7iLga1dRpof1Qgd2TvdLMOIl.DnEsXEAE8KZcrrmz80se27Ia8vzttCPcILy14Pmwk02LeRgRYHjGPls4ii0P47ShwktBpPO3Nv2OpNO.3FojsQtiulNK9qsHO1GykOEZy48MhlHx6Z8dzCtrA5XKyZ6tYco0bdmndVtBHvzGLY4M5T2Fj21QkozHPyOJHYHK_iVciagIBJb9KoOfYbYULthoYaX3XK_66aCIzPJQcgzIDCSEzpwaABNF42AGmvmaLSd8fTABfwHZFaIIzRvwXBFNszUH6_LzUWtrewA9D22zDqUsXQwRlTN6uzHq5XWL2in74tj8oeIzl_ZVs5UoGEDW3lwNvMhwWgjTQynIs81u49u056K0jCAcxbgFMA6ahnp7U80Ew1P9llsupcUqUrHI1e2XHTqR6T8WJo0PYnW4MAGDnEbTnjxSvOyobPPy9YytUW92cj5qcL_nvuD08kjDlsjq58M36xyCIht_AjerdHpNR_mM66Ja7SqynnblR9vFTLIDgGAQ62XTKOK72NNrhX5QbxXJ_MHHmd0LrHiECkCT8z1pqNsvp7D9B1V3wGuc9cmBBEI3zqKXpYkm0yPFDgbXherQOSkFnHDpaJLEQgxjSxZM2LgRgg9GzYzUL9fm2.ckZstiThpOO7oFxkescgLYuEkYSTvqpQouowB_GntUPLmvpwrsIU2rPphOYjoE8LDR76tbICOLBiwFGx0NSvleIGnSwEQgd5xA0boueDyVrlcR6hwDhBlHVYzSlJ963yX9Y7clmiRcQJYDy2WEGw3l7HRw2DfYdvaFu3nRrewJoteBr.qAbvFHVUMqnYnMAlr9qFXe3juDL0icHW71oo4vCbau4gafwuUhxWYhH98R7fzjoOh8i4uMls8neZAc1bBVf.g6pcC6aYF4SlcQ347LhzhyVDxwmlvS1OLQ6YJhDMugJWHA62oDH9pg.bc_tBnCT8t582u15hv5R884WN78CtYKNRvhscNlLdawhYkQEzY2B88n48N8Sqi2CWfHVzXrwJam807X2qJ2MOOir1.q71i640iKFNS27hhqPWassj9xdLyESKSrheXBaTNDlcoS3srWqq66E7dtYuXp2opohkQCmXWE6l5L2KYJ73D6HkcS6IzUhaiEFimQ3WbVQn4k.MaA.OELOwAsaZKA.mW_L3TjN0448B3b9efr9jCPw5jMHb6LPwsapq17ByIsJnGC4r4KyrvmM8yMFaV2ZBN9MqivIUXEwqDNOCPmpS4WWUPB0YiByUPK8h5PhUv9T5P18JWtfS1mWOAZT2o5jf3gjcIZo_Lq_JPIoYYX4WuXGZfWMfXSTArjOK520S7T4IM6zNEaBX83aOz8HMTkoscKyQpQ04HF6LqBZa7GHPTgY0dbmAPU9hP5Km63NgBm_VNn78orITS.QCyOt81hQ4N80GHx.lwTYShNvjVwZW3.VOFSXLPLuxJdqMe0GRf.LGowb9GSCnfvOuUF3a.dyhYes5e5"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f673998ace0812';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\/5309462871?__cf_chl_rt_tk=36gxh5R2GqyDsv2U8F2igyBTn72ZFcv4hAst2wUUt4U-1739131288-1.0.1.1-1SQ7EFqSUboCjodvfGmAdgTUkPCxJ.v7Dla.5YavHHE" + 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