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-476674605543.mit-edu.top/post/6135728409

  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-476674605543.mit-edu.top",cType: 'managed',cRay: '90f6adc5acdb2057',cH: 'WqPsOA_RFqTREOBpwPH0PRza1DMIv2F6w.FEVhHbdMY-1739133671-1.2.1.1-2wV0YS29iLG.lsuL0vS0lKHyQC719uVygKaFtii3fbIz32klGZku_xF8resMYj9I',cUPMDTk: "\/post\/6135728409?__cf_chl_tk=XfSZTNXx.CGZBuXW397a4UoG4TYwTDZwcbSYckOvd3o-1739133671-1.0.1.1-vaOo2ZOQvekQlz6ly5vIxzeJqlB2su82e3dgDU9lPv0",cFPWv: 'g',cITimeS: '1739133671',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/6135728409?__cf_chl_f_tk=XfSZTNXx.CGZBuXW397a4UoG4TYwTDZwcbSYckOvd3o-1739133671-1.0.1.1-vaOo2ZOQvekQlz6ly5vIxzeJqlB2su82e3dgDU9lPv0",md: "cX_bceWq3vE7L5R2dA_t_DSenbeKTPtEmEB0Vk.yK4g-1739133671-1.2.1.1-OLC_caV17axuSW2O.roSjfDGtGYjGsh2LJhJ0ssdRqKhOF0OFpaHM9o12mvnO.mAp0UMfz3Nn6ElqLRBC9kAa2M9325l7qHLKgX6z2CJXpBj3PTbqj5zhGAVlE56DIELc2z3PsuAmWvRY_xCh3yhigjcE_LMPBeOGZjaKive6b1bWrFCZuYbOy3QlIVmyKd4MReX8oDk7U.GO4Tdxv7DV1nrpmjycGWyRLv3FPE_Bi.65_.5fKvUVGqDT3wAedDIzZ2_lv3tE_NIf1tLcPzz8nTMHSnAK90mvE_.pV4cP_qaOcJZvDg29gljMHAT0H1SFsLKxvDxCB2Eac_UVKAD1B8VAQdVwvCSe8WTjlRRj8R54zjga3A0z1w6FpCOW63Ce2Xstjg3YmVf5VneiQQ6zp1re6SuXZw9i1XHgp5V1s9YHmeeMrtvq_n8jJe5hLJencfQF6uAXTwObCx1qYhDJ81H.F6oCMsGn.Zu6czHFyRpOh1wrUF6adbldzgukYoI3vDBD9NBKNQqFNvC7Vy9KA1H5kaXDft9z0yVi3kSZ0RJzHNlWqxn9kWjd9AlCHi0YYwirT6vgjwJhZdSG.KT1IgeCDQuuxHjH6PG_JjokBWfm.8abTgWYMLTVWXRw3RlCyUG.WHapOeL.cCnZibPNTZmkggkzJEj4jNw0K4Gsx8pSQH2k3bsGqXk7VIFhiwIM85pvlqY8o8VYl6iokRuyAZNw43ng4mlE8fQpt0YVEcG8XOcrCNF2hzSy4ppovDFaO4iV33RnMQ64g2UJ.ZwU82yD998hAOQbAkesTFpT_q2FtBgu0DSu4eN.YQO1jNw2KCkkAC06pxTA1MEwq0A.6CmDyP6clXrZojBiPjWOF3rnKRun.mh_PtT7WzJVTQyfsyLTSDTlr9xpHA9tTzbqwsjrf6ENX5fVl0qW4sUxkxJcBXQNDiEW10ZYN0.eBcz1a8e5gTl_ZJ4jxVC6JD60wgzI3NwOQ8B0pTd3UxVpDLDAbMW2Vt9_U9BfRNtl4MfowhXC1A7qzdmO4.eQbITm.nu0x6yoYR0S02qaYH6AYKTDiMebP3GO4h9eJRGzZx0tL54bWJYpjQu7NdqZ6zeAlUJLohCRsav5m3lGx92VeMTUQ1rVnI4ikiP1MBEgbWcw49zJYKP04GZt.BepfdcqmA1g4qfiaiez0TkRDGjv63zw8shoLGAxD2kq5d.ipe9H6jXchWX9PzGhBx5XFaZGYmvS4kRbvkvYzAFPrm9lSPx88HUOFRTcIX0b0J.vPZ.J508TuNPHeEWhHFZ9KrZ8x0zGId9LZPnF45TsoOc9uniKIbpqm5upRFplykGC1COFrpB9I8ulBHaZP6AtUpRFtK_YiJaifKwsxYxfNDmXX.W_Jb1_Pw4RdjTr1l0pLDaaa_VUKp4QnQs9H1A.EPrFRGVWE7HhU5rCs0kC0DCVG242x0aGL_oQT0.YrBKvMoWby3QTBXFgkCxMk6yyZg3WblgZITqgujkfJWD4QdtrHcUmr_.VE6XvD0vAM_KvOaFfAng2T7aOucrhtqnBMYlSkTdAnNR7vhlHu4.qPRy0nxMZ9Nl5vlVldArSvyUN1HKtgRmCr0vG90TQp4Cy7Ik_.Umq_4lQNs1CHY0DTIIK6u.eFt3DraF0pZJK5SX2_u8TVYBEQm6H6vzqnGChMqIu_EfMHTrPqCe58oLEbfQCw3Qk1cjWE8FpjNzK6X10lTXNhH5ASF8oBLGSgMS95IK3kKjFRIUBqwyosAwl_VYtGT2ApbdVR0rK7be64t21rH1iAIea.LwwZG.wA1faA_0KnJXxIr6zX_W6zcG11h08k.GQDJjbAdSlZRcpXKohvvalYPyJYA0gh_VraO1Bt5jtd9r_v9nbt0CicL7_rjfqdn0YOs0BKsy_0.g0j8dYxr4wW4wCFKpQMZdrdNFJ6r6Nv.xcY0QmtN9Fho7SpLX7UEuOuiuhO66jqpFcxuHExhkYuPFG23EOFRQCmIgNx.UX6vwETEayNxJWAWS.tZIk5r8FR762C6.RDK.p8ch1vgeDf.n3T3khnLvgiXfwfYVH1.Rg8zd7yns2ifwzHrOVfOYLyYGnb7NuyvYvXCnSua0QSTtNtUyIzHDw7yGbIPasFn70EiqlaQKSHq0zxykI1B2Gn1iO4LETly2Kerc5Wo.IlQSBik5zZ7.6k5OYyeJISeEuRXAktaYSke_QzM2aw1LiAiBzzMdZq_XNhp.NTi9",mdrd: "pWgJ6_CF7tnW_Al3VprEl0WzahvaIAneEQkATZsV36k-1739133671-1.2.1.1-RDoqJynF4F7HeIgdUH9GLijNciMSYhmDnUYnAYkRiYA.D8fWvMJMHH2QywivSqiHeiRTanjruhlBeec3lQHTW.BXQyCeTBXG6wyd28sNJel6WkzZPf5KuaSUP.FiCiSh2tp25_yVI5QS1z8o9A6GfQ9jqxQP4APQpoNyZWGLq6jETD3HrRPGotXabqCTXrooFrzHaXR8mCxt.28gL9iDFHHscWe1eReAlYirUNnzJU1kiGuNNb.0SGQdLB_JUcy.Q7AIpaageRFITAOi47Txtr5HlJRE_bs4Esd9KqMq8pNrbCl9_gSHVtim9A6IwJ1ktF_H.nH.cEPo5zgc4khWQ49ZuHQFXJzlA.wDZTaY2RwY3Gbt5WkVQuVIFlfxcwEq.OZ4rCGxX8TubEKAGGVKC0XLQtd2kPOY4QMrphGl.YfPHfM8qCt15vdIULNeq0a39o_sbd_5arjkNg2FVTlQgKxqzlsZwvaqxTodP4VAxdof.EVbg5Xd4NAxTtHbpx74vNt7n1fCTNFC8WDJezVmEEWXrWbengv3VFwG9I9lu4S75acJEa3VtnEgvlmx8F26o66Rq_rqzphhCKrMiFjCAlrhozt_igFoITRXikqmhzXZI92SCgJIE8Whw6Voo6QEgGcUmqNhZ3dPzUMiwi_PuOBzCEsF6pIu2G0Ilcbvcg9S0SEQgYmIP3AKGN7BtVkJpJxdbfrv.qlPatubrsCEi36EuChgKSUoH2L5SYQ9r_2pq5cI_td.x_vZvawgxt2PhxbY5v6I4wHQICna2._dHES8xK5.OoiWU8jWPnGnDSoJVWGNkSGDw8B5hMuFz44us4AmhfGObCLhpodtcr0xCIN_KOrAs5mW8R838OVPfu36Ab9O5RMr_5HNGaTSa34mskmeWrndEiP9FJOdBGqm.7pcHyu1zqXt5JEZRYBJZk1l4fiHy.mMbHjhHhTs81r9hJTHryBwcA4cBukVj3ViKdEuMYonnrqWc2RTYfgE_z2rW7pqw7KFkheSGYXtgsaBQlecgB0Fv8e.DXay.8CMAXyWZ1akEAiDO_lt6M3H1q5cSAKogIC9_LVgcTu7_5J9IkYYEYaTmMw.nLVuCzkbcMAb9CoVCurzK6Mt38ViOpzZKGPqfhoTYS4QL9y9ZrY_OfTAmuXyTijuFJroh8NNSWqhBv4XLbXIcYkuwNoffRmUhFanhjq_U92zjPTLTFe0GZ6hPwglKa1uT6idxMgXANjIoTal3Wy.r8B21rbSCOPpg0sxyKI1KsP.6Ti.zzmeQUh6v0dRbgBoM8DkILQSKknOPNRMiMV0DjCsrQQqUi1A7d7vGu1rcttZu_3qUrK5W63hIUF8mD.m4EFxAGLmrH3yVMO0Dtos4Yk1rGEfffzA9RTEmHfmTr9m9Py7Z4JF3WNzkSG4w43oZRk8XBJsL.Vrz.iuGX6ExJOxA4eiywS7p3U846Lm9UvUsJJLdfPMtgBuZXOx4KjKOxrdyRHNMphJ9Y7u0D7_OqrwROlpRMwffoqrMZ2GnpQ8d12Ds8rrnX7sAoD7BzcwSFJj_TiwjyEC0N4LKtqXhfxe_h1iISjc_IqpefiaH7SZPt3albKiYr9_zvL62HPgeWtTx4FsU1AYS4Er0ceChwOglb9WWDhuJVHgmOhETgLGt2RyN_vO8OfFv7gXVpNZ01_u5Q1IXvWXtSkeOu4Hyik57w4FZ4qOFSz4vudJ4zruIrVb7N6UhmEpkdaJ0X9xZ1CJ7GsFeLBIiZA8ah9CuSLkAAwmbj2WnmTKn4vhA0qMxG4PEF6pFrr7jHanSmvRKLlLuRyiu.ikoUx1h8lZJnjcefXBjAQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f6adc5acdb2057';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\/6135728409?__cf_chl_rt_tk=XfSZTNXx.CGZBuXW397a4UoG4TYwTDZwcbSYckOvd3o-1739133671-1.0.1.1-vaOo2ZOQvekQlz6ly5vIxzeJqlB2su82e3dgDU9lPv0" + 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