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-229939439383.mit-edu.top/post/2104678935

  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,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIzMiIgaGVpZ2h0PSIzMiIgZmlsbD0ibm9uZSI+PHBhdGggZmlsbD0iI0IyMEYwMyIgZD0iTTE2IDNhMTMgMTMgMCAxIDAgMTMgMTNBMTMuMDE1IDEzLjAxNSAwIDAgMCAxNiAzbTAgMjRhMTEgMTEgMCAxIDEgMTEtMTEgMTEuMDEgMTEuMDEgMCAwIDEtMTEgMTEiLz48cGF0aCBmaWxsPSIjQjIwRjAzIiBkPSJNMTcuMDM4IDE4LjYxNUgxNC44N0wxNC41NjMgOS41aDIuNzgzem0tMS4wODQgMS40MjdxLjY2IDAgMS4wNTcuMzg4LjQwNy4zODkuNDA3Ljk5NCAwIC41OTYtLjQwNy45ODQtLjM5Ny4zOS0xLjA1Ny4zODktLjY1IDAtMS4wNTYtLjM4OS0uMzk4LS4zODktLjM5OC0uOTg0IDAtLjU5Ny4zOTgtLjk4NS40MDYtLjM5NyAxLjA1Ni0uMzk3Ii8+PC9zdmc+);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-229939439383.mit-edu.top",cType: 'managed',cRay: '90fb1d959b3e0630',cH: 'EkOv2dGISM8_d0au0bl4aJd1CdhmlE0UCmAQ9dIeO38-1739180194-1.2.1.1-tNcUAAftdZUjvHj7CR.aLDHaCBGDPDkvoYCgTCVipXCaQWFBZU1IHnCSnXaT3Ypv',cUPMDTk: "\/post\/2104678935?__cf_chl_tk=iY8Cj8fRKtQ2dllNa4jKlyZJaw_7ZVsSz0ffek.7rIA-1739180194-1.0.1.1-4Uvb62BnFQVsOPWtLs4QUlVo9V2MYd8Ezz51uHyAeNA",cFPWv: 'g',cITimeS: '1739180194',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/2104678935?__cf_chl_f_tk=iY8Cj8fRKtQ2dllNa4jKlyZJaw_7ZVsSz0ffek.7rIA-1739180194-1.0.1.1-4Uvb62BnFQVsOPWtLs4QUlVo9V2MYd8Ezz51uHyAeNA",md: "fL0G3TUbyxZxcb9lAL386rDnsBVzskOn2HngFuT_R24-1739180194-1.2.1.1-oF5qMuApbeKcLRPAPfasebuJj7AORbwcElTG4hN0hYSDugfYEHftV_.vsmovB4lH13iwLNiFZv92UboqDG90I8sGk7PWy4257e2jaG2wBnbKKKqftJK7ovEmMtOGsTS_lWS4lQ7.DrDHHSIojfYJ6nI6nXgKp4xRBp3F_EDM2gd_1.767V6tP0XR8GuPM2SG8.bW8XOGk2yCvNirFjRD0rkmWrzn49NqBphBMGS1MnbrIpOq4uJBdfJe1lzlslnBPEyVmJCYYUqw.m3vWJV8gvjR.Q_54gITNbrmu9aKi3reAG4OE8LfDbre3rI20tb.PVDhe4pNYxmwhgmMYFLLs5n.RYkoAppZ53M5RT7BPdRP9ggtt3JOHaTFkDrLP04C0I2_rkI6ng.1oQIXG9HWRcQfu3JU4RjoVboplynXX5igrE6nclZdHXP9Ji0u4SqeQKozrCsoWCanzARw_zQzo0WipDA4M_MAr6PLVOWcHPBWYvS5WkVCkhhZCmO3v8iPKMKuoYq.2dNBchGKp0CAqu_CiPqcS903HuzB4c_gwvHLFnhRj3XNpJMYszc6tOsZX8dUcKkgMqb8izkdKYFXLXK2Jff.h11My_950vA8YBIB1GbkNI7yFYTp0p0ZViUiZeJLWAzgJMWcCo.U88QTkxVmTLdEwU9uAn1vHtKhjY9r4UD7qKmqEmkBbk1WVnXSr6u3wzM1DdwLPLBSXKKRjEu4iI_M_DVcWgkOR38nqoNTLi1OkY1CH66RKXloSqAAZFyJ8J07JT2VL2MzV7L0DXVJekpUOi9n_iXU9owit27pQlQMkF5kT1BDi8XFmaUqI78yzVgDg3j5di3uoX7bI1gK5WAKKrecM81Lj7PWs.zYV2mPirIHb3Wcicris6esS1bgGlmqc7Ka27QKTVA17H_9gLrRxpSFLb.JADKnUS7EaQ7fnDCbBSZTHWVBzrwRYmyUeZetdboEPng6uKxv.bVjPzDps30OY0JUTE1S0uILs5_Vk.3tocu4TcxgbFC9Y1pwWx0_yQaHupx4bY8Pc22J_BcwdjOAnavRZRA2AG6t67ZyxG6I_LuPN.5j6B48y2CRqux0uUk3z8zx3_az2fQa_o3cA1heahVt5HoxoaFfTaKLPNYPeoF0TXwsYWxgE9MAUsTGfuKAMO8Ou02bAERi6waHtwmkEqWe2yaFK1xnP2DqcES89h75debHFvh4k3T4qQKjHJQkx13oqtJVcg4M68H4fzuUJm1DJmp11BbDzj.MCh00_CxZTHoEJz9Wb_Wo3ADsgkevViIH1n913uXLK6n5NnMMzdr7g2HdAvWFBlw5Lf4CpgtV1HjCIIsPka.oNvQdQ8ifOIi_vUlA1RCbzOlN6ax.vNisNiX1nEa12TjamLPvcuIXOr5nXprFYWZB2AJKgOjWvYHHy96gLyo3BvA..0PJ2kNk2FddWKqBWbqoC0Rfhq83bsQS67FTjKLhdPI.EaxCUzLjtsWs8oaf0BnnkOVVEgeroSalBaQdMS30VO3tSUhqwZ_j1CfnHkf2rvYfr0fv.cMrFNnb0jUNf8WeA8KvRpHfO0AkiOR.3z1nPLmKVtVC4Xgm_oSM_8Opt9Z.frSbgKfKXei6H4wGp5m79i7L3dOwf52CGnWrePoCngV4v3LczcvvbfsswI4kK5k1reE6NsH8NlMtDbfipsIMlc.aeJuFPzbEkLbRBOtuDbS7e4.t6dRJZBQ3xuXMpKhjoJCtN4iDHWA5Ol.NBfjc0iqR3AHZFmXUAzvenyKCunmAbkM6DiETl2toYz4p72J6AH6WlF0eJEXLwste_TdI9sLhdyBM7gb_wWiw.Ufr0HODaejNFzT._85w1LX.XwU9KDqnrQH4tkVBZDbta2h9QpnCaCxCBJ2VQDguTZquyYSyl6QAa.4Cn1ESutstb3pE_vH3Vop2Yp91sXx6OoWi_9EJeuGOwj8bpqU8RWM7uXG9u2h9kOXZMTIU1YJiyuhv8ExvoiPKmwEn52v03zjwbNHx69z9Ovwm3R8zOIIKclUiyyzMJMM.RmIhwzFzkgnE2umDBJsbQk336zSLELG6bl9DmRE8xWFbKV_K1jAhnJuLnLfSNVvSjPELUJ14OBjeBGqqZv8HNz2ujl.c90SvT4_gBzLTGkWppTwXWRvX06UylE5N6eArwlW2Vq6.MjTZZ7uV6.2jhvOmrZHqN6I7Pys_RGt4Bm2ce1iWOrCzoeBDXuvvAJ5AQrld",mdrd: "vOVCcUVABdZmLRcP164LE5AZAIjGtlYYgsp.0tKbMkY-1739180194-1.2.1.1-5WjIDbwUNoCjfPup0JnrN_uTLwtW1skDU82bBiQw0EqtumFx_aYgvlo29udUSRhxtxfQ7ChPBDTzf9UG37r0IK9EuvpraLoh8nm2YS5p25VoyZdmLJWONFJP.tx6EmwfZLmKNS7BmMvQTKsWSCwam94EOYuFRykatoNC7JXQGasPh4YXhNtK_pibURu7ACKGib6BbJpS4RqV8Ru1nB7EQZw0fcxtxmqpmZZRQaGuVBRoaZPkk32_QEoioglvG70_swhFZ8_b440KdncZv.z8PA5pwHXKGktrpfpHM6fltXzPVksCVC2arCKfBItuTpeZEJKj.y9MAQB1tXds2L.P55H2HwRJVrnkAn6g2Y331yfu_yF9cKZkQuMwtr5BqMw3sOZK9VW.27jam4paNJWdAxuTJV4tuVzffG340ARxMDPwsL2edTTPQcC2Y1giEAmYedKpgY5er1v0pvj9IutTPmHHFLv5_QmeYl0LL2hzNwFW2y3EdTZJrtdUvYDrYZ.MWLnBn7aHI5nvlzII2EFQK8Gw8k.N5MpgCqoWhnHmj9qoGmJNOeQeg1bFbqAm1M4lcUyr4CYYfP_w7m_Aq5_jkpaR.nKODYRTvr4y7nc097m5jQZn7ai0OB1AadPB9vpfvfBzRyANBZBApUe22i9oDhLa87oS5s1WOIBYvHmcyUFUcGuS7O5.WopNE8YdfAhSQ1Jxw1VezdxC0CaoZalz4JXuJJvqoqflKxLzcBIkNuC0dlQ9aNq2RyzgyXLFjZhq9R8VP3LvSQ8aqn1A0Hyy6FsAkexC_I6Q43cl7s7aOkl8mu_KKB16OjT8Z4YokL86yO6XGaOP.BzuDWax3rn3ulaI2D7sAxrVuiQ2ikTovfWMGt00OgNDjq_dy0MimT.iB6Bn.GX2ZiNSS0DAi20lXNu74VSSgS7QBdkBcW8Hz_dQ6sYvX8Tm4C1vJ3uVGD7SwMk.0aJx61HbCsQibtVzQoXOaYVrmO.YjLENrns03tTDnN3kC5KEvL.cQ3P4sef8t96iG0NrgfqCsOdMOyAoH7VtzfEd3LhKzbUKcgML98NxSyyVYFXULIFJvWa7JZ98x0qc6q8zg0evH2pUQoPH8iFM3TillfAf2NXt4wZxfOsVmestU43AsaTAjmHgb7IRneg02v7PVEBHhBR247DRXUvpFR4nO7TNuX8u6gNEX0nX6h5sbv_en5fxlhAOnWzg7HBdoWU2sEdX9m4NGcpSbDNIsPaftCV44Ef9FJDwdGICu9PRCX6pLDI8yn4wvRI.XIMiTxjuiRPvZB3MbAytWTorgZZDyhvzdUrJYDZpxdwkWe1eHlEFrt2mDYTpsAj9NY2EcxMWxwE.3fSSEBmLznc3Tc8b6Tr_wlGYvpb2E40zLZUk_KeIiJe_B5ImGin5kjNRqzyQSHg_9lZ3TMlap0X8P_5nDQTPhJADYk_lghQyZyp0arUmUtaGU66HT_.SGVr.DLW8.qa1YQJjDOOHV2NGx4e9JsnukEDy2cwWNgtJ.L2BN4ex0vYOUdf7Za50UcKxlgcIv6aoQYt6OePuBHiA_VJQxKSWTDCqAW6s.KYp1c4cqCsNy94EsCbFdp23NNabEsFSoGl7PxTYJcwQd_02muCI0bZc9W_qKGymYTivIgvAjGPckj1MM.RSa7ZsyDvnXB0maw0Osov0DOICvAGInVsiBq1Ikrb8Gh17F2QkWLE71NXzbWd0g_VpXOnjfmNViGyzBJA1VrB9MnAl5UiV17MCl_0y5OEfGTuxeE2uHMbQyC_Pte7oEYt6LIDML.9N_tnhm7o.v.hRKD6K87_qNZgH9zLBWDjUSvVcCqs"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fb1d959b3e0630';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\/2104678935?__cf_chl_rt_tk=iY8Cj8fRKtQ2dllNa4jKlyZJaw_7ZVsSz0ffek.7rIA-1739180194-1.0.1.1-4Uvb62BnFQVsOPWtLs4QUlVo9V2MYd8Ezz51uHyAeNA" + 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