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-874329240823.mit-edu.top/post/0487695123

  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-874329240823.mit-edu.top",cType: 'managed',cRay: '91065dbf2add82b0',cH: 'JpYx.dM_eSxxq9gzfVGacQnGdBqwtxpwAF_..RKFLRg-1739298165-1.2.1.1-Aj.ylGiPp973ip3jJY9aJ.JkblwXss8aAZ6.iyA_MvGHfYyeD4BTi.XNXyeCWXuR',cUPMDTk: "\/post\/0487695123?__cf_chl_tk=9PMisfcZvix.mW4ct6U1STnWTtPkkp5Ki5AwkleLtk8-1739298165-1.0.1.1-AFx0CA9sMFrqIGM1njRPR.0BmqLlN9cjrjPsAtjBvDo",cFPWv: 'g',cITimeS: '1739298165',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0487695123?__cf_chl_f_tk=9PMisfcZvix.mW4ct6U1STnWTtPkkp5Ki5AwkleLtk8-1739298165-1.0.1.1-AFx0CA9sMFrqIGM1njRPR.0BmqLlN9cjrjPsAtjBvDo",md: "dJf7VhVYjMNfKGNnax5sk3wtmErXt4c4G0sqZWsiT7c-1739298165-1.2.1.1-.333NUFBN6cC3lMa6b1mNDlgk_ZioEeJXtk1gX9vEaVoWNTwn_9sorOIZQGDWjn.tL_8OQ1fuZzJ1YCkSEZijlO1AdWIiCnnQmcSVtihWERk.lFwNlw.r5FTWKXmyhY6WGHO_L7S0EOK3pDzPIGUcPfSgYONM6.SsKGyOwqLFUuAWyWXseupdpjli.WSzkH0TAtgttnVrN5y8_hc3I87_yrYxlbA1ootTbwjAsn.v325C1mBBXb16n7t4yTnAHczv4ZXb8ODA_To58cnd1OELqCuFXy3DLnmAvOYj7dybX.4gLRyVcbhv8X_7JdSKsENWIVDJh3BjDMnXfkdF2x0Qg6XPb5asChvRW3NZMkX0zd5gu58bJDVPUrhKp4WwbIODidlxRf5bWtSM_nlVmX4bsdAu2A4okgCaihFf9AB1uKMS4zCUdg5uWiqhGZWG5RcnCMMQAhJ.ghjKcajJSkcb522vYi9ekrdv38fBLPEJ8NyX.mSbTWwAahu_cLGiVOaPN0cqK7Z0ki9G4wJtALmnTFkMh127L1B_sPEo5ZyQ1xt4wyauezAuRNd7XWTLbEnHaTQ9GpXtBxXIAc7zVnzfjalRiHec.it32a8zX_nFuTfRwktROBEpjG8FzQQFWO.taDIkpDB44.rvez.09GglS.BGdvqpL398jIdrzb_mNdq_Dkznnel87veXDY9iyNNt1nS0cMZakxLl5X4JbTyrCrQQddh1KNqHLJzGfHMQoaUVZ.Y1ebQzW34PTWuf3bT2RR.nOrjG8oYS.cIUYSBAwfm37kWoQFUlbw9mpQkc5.ltzf410AHGdMmO21GE.ncRE44lz3wC5qjFmI9VPrNKKuBer0Yb_hFfGkIsGMezBGvL2s39zosyyNf75sHCkveU4d4.rjVP5Ioq3tEM8jdxrovcR.sH.rvuKLh9oARifcj6WHaxliX9.Iyv_c.NMVwNaK9J4RGbS1ptoiGv.Y5YywwK4ouswhl5VUwF0mQMrWeG3Kqr606xd1RhXVD.W7egYq5weZVDdFW3iy6qOe9tRtoCL_BuhyzjOyyz_E_1CyRZ_D2melGkXz9Dt07nfoMiW6PiY7F9.bF9xrQ3S_EcNZJGVyHxWYBIf0WejZ3_423wW8hI51j.yGDwDKzhskBav9qSy6m83u9DQn.s4ZrinBcYx9CGNGeS9ajd9W.2YSQeI6xCFuWg.FFHPKhrESAaikJMqnSWCGSgeIGertoJ0IReY0F4i.xzNb.viZx9uJusLmuEJGVM23noqRmHFbJtc5t_4dybvvTC4ARxeJ1H37GO5hHdszaDXnHuafj..LVc0ZjzADwOVH_noDzyzf8S1jxptv5cWSXk0ruju3_lBKOr2nmnpQziN44.W12nbIlHA.TR5uTadBYM4eE9FARAfOYeikCh4dO1KSC6L8fnY_l28uLC2aeWZyW7j66oND4ZZ5OaNX69veMAO0GytyCx5trsbr7rxkVrM0ECuXU0Q74cJDW70o6YUjI.6CIdTZrQ3SGFcQMLpnbzeHiRIiP238YQVyXSP5J9Y2V.SUYse5.SM75eLjDTMDdQlc3Zglllw1SYagleo5WV0Z_0FjtuZJOeIozJSF7ECc9lZO0xB3BhYu7rLEm6ED1N8GtNAS_HLntqv23Y7NEF9IvEFtP7mSu8YWPjAR4gC_eBc11iE.nvst4.o9Vw6WXpy_7b9e9Y20eEuThXzfZyDmwva0nM1bdKBXAxC7rISIt52iQ8Lzn_dk8mE4lzHvI_V80TL81RB3wTjrp77TV.rzclD76O4LDCMvWs81QRlDs5sphnR0.owi7OhGkJURB1x8esJG1L0M.pyDCoUs5CPPWjhzhhDSXRw_hfVzEMpwubugQ_eiT91jutXoOs4Bj1w39HgwTAC88lu5cPDAtHUsubfBK4t5sVeNYhwEL_A1P_Wu7j4zMOPQGeqT9xy_v78YHndxuN9qW27Jk3ec9Yy90mx2vnIbJJoWq.sWK_EFpYKa.KBS6FhK0Behbi114CDQCHWsxePrnvF_AgeVKQ.79ErhpWazsHJx33XvSI5GExQ9xpnKhfQ2u_gaSQhxQNDGND60D6ACuHobdSO7L5_Qw5ynOPUoOXFb5DgtvGc2Zbe1DKTpba8vLdqBK94nZo.srPDiPPSTdyGVAheyGj0HiAeQbLHNmExRVBkbPLLiDa7eR7zkBzNL23a9HDIlCFi_t48DinHwqnos6TNKH3oZdAJPg",mdrd: "6RsNKP3sDbSo4Sv7PsOm73ZmzbsDfXPDMxl4CzgZ.ZE-1739298165-1.2.1.1-xHQ7kZ19CJNZQj8I5vh336Dr930gJXaSfLW1Zq8XUzc9htJsVlK0bSzqbmkbf4ONF6.Z2JNeoHZwy7aG4dOB0X2j_hXIvTK0mUwqmDhXkd5cKNi6j9flKDkIyq7TIWEJDACcifi_W3p3WSFFjrfMyNSYEzei5QgoSHOyutzJfpmvSBGkWmc7iwSk5KXolald.rmI0jCHnRWFCRBSo8SxxQo9Df1E9gr_gmqHuk5txAzlKDpmXuVjvAfeAPy8Fah3RP3Sn9bOAt7FCBZeSA8ED9VGTynxPTa1PlHa7AG9bMtobUHBmvt2yPKJxMwNVbqi7KQvumegVcoZX72CB9MKDLilU8LD5UZbdguAxTEnlMlG8mdn.AGgFZEAUGhwen.BTVf_l3BDIGhGcTbbFAramgcARikjil7ybk.PxlntV_tfowurnaO_KLLZqbMiXpyVv8LN.jMv38QsBD5PuyUE_L7s9ZCX8xWpdFiGhUCI58aPVYjVFZqsCr56Fz_bWiEQ1L_7k9TP.54oYqu73DoUNkbRhwyQk9pteOsxH6EsjFJSayawAr4meA8uwcZDqh5hoZJAd8JfZQ9SMOhNk_ETL1apthyN2JOMW5QjeTJnwig3mUjCx1EXpebF0.iDt4tVCJR_ikzn7Tlw4nNwYGiCbLL_DvoOi2.GjySrfRlwwz8MTapOyXYFKYAy_K2gR69Qawzdxgy9z_m0VtqEaUcaeHIXE_Curq_wn61JMJiMZHuNeIR9hDhQGHSlDn_S2orAMPRvQoGED.gmChJrNHEz30_7fhCJa5vZxYzV7AIQAB796hpOHDFPy4qn7PU0.sptdlYozbh_Xw7P1IhsxHd9Y3l68m_QqtZRqA0nmBbADJf_HY7GsYNnxlvyYB3Mm7vzKGCxzCUpLQ3g9HW7TtVlZLR1VdnyH3gYBv_AeoXw3g8ARMf0pleazi.QzvZvgrjM8_VaPe9FtrEU84YoxwTnjBPedekN.F4DWdALoh5vXS3.K3a.Go3tJJTmB3idefmu1YmOKYIRBYDqWgCDl46rPDRDOEBf.U5YoPEcmEsITwCG3pOkRzhKLKNQMTFlhRrwhIWitG_sgQo_sAbLzCMVUQku4sv1MRSbRIkQ1H80b4TevLzJZtCIqGTcqw.3YyPy.aJ56TS7CV26dfsvspIgxIKE2OGXVqmErrvEDAJ6wHfuLDFWB1j1pkV9cR2VGavPZrQXAZFbsF7Rf8tqlsDvrhRHXgNdxpPe819usVfL4n6gL1Ovk1dGB6VzVNkaW2nXI115Vyvi8S1KalUmA9y94Ma393tcS3rTmQ.iFuDZOt_C0CC80U8_pyC8BbuQ54mMgDMMgNeBRwY5J4hIFb0niVIYer9dWnLCktUBtDy1nNsA0F.E24B3pFR7ZDISrpdQRH5sgkBQRoo9ZT9rVKCXLbROKFd4ZZgh3JYwkUGxLa4InRPFoF4t01Xd4zJn2sFP3TfDnhXT16KFWFkutFA5qyLN58jVlw7QDAydX.2YynwtgmgM5WoEEVml_po.ywjpqC_EuCVdF5jkreJD9Wax8RlZkSWxuez3NYy73UJF6XEG_ym2_0ATGzGbehkqkB5JnjTcbX2LUV4WEeRcEQfgqOZ1Cz90diR.kDLVxds3aNCj5bIo8bMMWEQK6EEb2hC5zj7im._MWSplW8R0thQb9BJoh3ec_qk7.CEhu9SiCSVuGcgf8aozW1dfEZwhOj6E8g7YoTEz2GXm1KYqJBIcBll709jugsM91CsPwGPsN9Si8C9H9fZ7LenLDfuc9i2qKUUgkvtzPWgPfRN4kn6L1BlvaNrA1.Agr1lxv8IC.2w"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=91065dbf2add82b0';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\/0487695123?__cf_chl_rt_tk=9PMisfcZvix.mW4ct6U1STnWTtPkkp5Ki5AwkleLtk8-1739298165-1.0.1.1-AFx0CA9sMFrqIGM1njRPR.0BmqLlN9cjrjPsAtjBvDo" + 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