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-affhm5zua.mit-edu.top/post/9825460731

  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-affhm5zua.mit-edu.top",cType: 'managed',cRay: '90fadf7b3eda2063',cH: '4pfJW86Jl77wMK4CzCRGIk7YoO.H1IL7ZinSSdVq3ak-1739177650-1.2.1.1-MiYzuzpm5m5.2Y_XMzgs4K5c6Cio0KPGEYKNe4A2TbWsJMQYWmskF7wvQ2AJIfko',cUPMDTk: "\/post\/9825460731?__cf_chl_tk=f3FIqYq7gdTIXBYR82a7T6M8jfPVSTy_efgtCC8TUQM-1739177650-1.0.1.1-Es6.tFWErRRmWRAmelnf6rpTwB5t6klmYOS9Bmk1Lpw",cFPWv: 'g',cITimeS: '1739177650',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/9825460731?__cf_chl_f_tk=f3FIqYq7gdTIXBYR82a7T6M8jfPVSTy_efgtCC8TUQM-1739177650-1.0.1.1-Es6.tFWErRRmWRAmelnf6rpTwB5t6klmYOS9Bmk1Lpw",md: "ahmmDO9h9YzUdrqceHXVyXLLOf.tFLsSv01JgBYvI60-1739177650-1.2.1.1-6a3zePawipKTBJTsgx13Qo23FBJR05PBlOnLvLG5IVZWz_leB6GUkm_9SrDikH27S3jfUZ_gCfFEIhROroPyBqbtNGgLzB1Bq2IYsdaEUbhN_AlvsJaAy7ukPRD6a5Rhwk2QLrZie8LnWmaZHUpiUqJPTXct3eNAiRAT1PDgmjydz1o2b4LsFrStH1qaLxKrsgPH4v._C52HdDmdtouNA43DIQfvn6fBfiV0O9Ari.tt5O_bnSWQk2wXcuXYcdEFyJnF8zeLzbyCvJvFpvhUP2VlPDUPssJHaqdgN0HYtXTy2Xdq.uYJ7TpXYh7jUZ6wAypXCJ1vzQocAL.OJgnT372Q6gqeOG49KuKe7goq_XmiAt_CzUWO07bl9vsq5kYNUTm.BOmA7LVUlV_EpOyKwADPdlb7EvKWrOzQsDv_J7hMMpSTUrRBexckc4HrauKybuaXKqFAiSqHXTffN1ngU97x0f1iNfAIS3cc4MgLXaRa7rZ_YETgPc4t0IyaDuqWz2Y3f2mIsDHZqmsSHLeCAZnk048Py40CY6aS7mhkEALAh2T5qs8JyRLtK1Zt1URy.v1RcrE98bDGDUKpZ_JHLXX8o6iCqNBFaebPZeZ.8Fj2e.N_SSG2PKF7etncW.8v8oQTVD0FLBuIlyCcHyKneq3cGxrI_2msd2J6w2YCyrp9ZLTf_VbPmYedpouras2gcYlvmvIGztE2dVXfx3sYHuDMkjd0YW9Oa6KoekXGxxuBmy.ghDZv4_.ZJA2GaxRd6Sg5ef4Vme6H3S2ji60tdU4kVY5d4JC7m6QV5JQ7qD6Es0b0TSYJ.rBuNIeTm5g3ArvVbnnUPPr1vDbXg8Nm193ysUJXq6Gi2WVT1HiPwqaIp.GTdfXYTs3dQo1wbIkzilc_vbDpWzCkvM9Y2RAqXlaQNmA._LJJrGdNYdjUO.pR24ixWId1RKsdSILOi7SRqs6OePClgHqu8HYuCqIpcxJD18CXYPkmJ4ZOK15Jwo6o2rD0pWV_3gnwbb2nxZAnJEJq39JKnc1ubiHs2W0JxORFsahtGRFe8iqHfT5QuwGDrL47DyHFyMOW86lyMW.TrsgK0Mfa95NNWLDvV0LU1HZ7fmxI0J1ytYQjcK.fgKACAsPsjYX3uW0YglNeobUBpFPR9TD_1WwvIaE_23jr4.1zc9mJ.r.CfVJVpyCpdBGJd23IienGiQtrROWbe5NCXZEUOgKAD0h6vqn1qYaXa33KpGLR0FelJlnY3eAOjfgRNTjbJIZgu71CwSmGh5L8W74zVzqHip3aYCtqAJMoOLpnhs1TsP4Wb88F_FNVq9rnomJuVR8n2Ipg6qnwnvoC9qb0zjggFC9j3JPzmah0x6GWr4zwZw9Gn7V6Cjqy18FQkoOrk.B7WZmOiPQLdjix.6PyiEp9bYncsEGrHKje68w_VAoK43R3Os35PkOmk37Y8vE4JytVJPSSgDvRKcq_.SClT0mo9IWINgXrh2cpMu.C.kL57HXWRPRt2AhI9lQ6_ugBNC5Mxz.TMNs68nCEs7yeTq1WrNpfD4kekp57M8KJQ3fEcFRXxgkwRh1uXaBzCmG6O17.qd83t.YMcCzdAybVN_IUqSC5RhvxSX7VCtSVQx0Xk0tOjZdP6nSqmyXe9Bg4.t_iqcyBAMdqVzJssZDm2RxL9RstmEpR8pKHDt3yVjX6_yuB7_lLYgiGL5LyDmkFhLN3APlT9XSMw0sMxwawjsgNLQnR8qucOGDiGRIiojHqNqEKmwvpVZXiaQXDirniA8aLBeNjUAj2SaiBgjHwIFfZtwcSBvAQyyOnUSmWMGtvmI8yW5UAbqA3vB7McjyoVKqd6MuhnJ1PHYstYAurYcAofdlIDloU5MXKKDwf69stUCZI3D5sGEDYUkVFdNvxyr9SuzTosyxHiImPQMBJUIsI.SjGTY8BeYryLjZcUYGA1vvAAx5oRXaWdTSrHPOsNyAC4BbbbibOKuEVjSKsLlqjVKaZR.iPP5MC_QhQ4fBREMHCsU.hL.wL2mD8zZpDrYh3UrSU.7AGWhR3aasyPnyeKiLUYFWjZHKj3sk3d7j2vYVFdK0X2DElx.TnfsukbktptBEANbehVvufOK_AxUDC50nHVbsXyeGJS_wxefppn1hxpuFXQ6Dq12d4C.yT4saE9a2Z87gY5DCA4dnX.wri9nfwPsgbjDuBDkdJgHGuHiXz6iqM_psHqRN.ecoKhw0cOkPv3i8fONKA",mdrd: "L_m9LipRrL2JxjFnyLDbY3aGuAelLHEpiq_yi3x3wZc-1739177650-1.2.1.1-OrxvzO9HlYu7jqw3EnJR0BBkJ5SKFvchZLMK2TPKdJ.rSzaFauTvJlU7TVQh7tlqPzMelOXBoFnQhA.W9zanU9jLBnObSUu8l5Y2QIuhuAV0Rm1pmux947lPU3SiT3KInJhe9lpAkbrw6ZQvHU9VlQlHNZZVy8oxcvb1YvvS7NWb80MyjodiQDvFdn..rhJJV9EDws.hUKjMqaPQfKQvOMKMryw3XWxbOezqzZXLC0u337pFmxhbe16yaH4wUR64lmU1O4c8bdBwN.1EDBhD6vy6l38SddRcL5toy2RDuXTzezuwcVkUEjvQihjRv4ycg8VUZBeuwv5gX7EXYU4qgLqsQ3aLmFnMf2pYc2YAvVhOLmID50KhZoyBhFP_Y8tThJ4GvuCSNzZksc.3KTa3CuQ1lLJwq_BcHAff7C_ly1593Cjw940mkXPZjkziOhIIK0JzHYi.5ng_1.tEitJjgTckFCJwGQYbv0YQpE9Qr8u0V.m6Mk4xSacGaRxX6B1l74WAUwqa4huzD0EzOSdv.GqLVu8AQImQOrl0blSipVzRFF2yPtv95SnLJMbZHi1HmIRNMuxP72.PyX64POYpVgtWYoXkwiGdh0_ZQyk_LMDWSkoAPgZ.U7wYuTrZGPhtXPJE7g4m9BYNQwJPN81i6uUZLtJAQKwZy16qTMCOLsu1ASx2eiAWF6fuk.o6mmJ5gspvOqn58r.iWuRg2asx96UjKkBUIJvqrtpacdTguUNUY8MLzpEsgAcDRpHlHM7vvCmRMH.Sho9fFekYhLSzoeKJjz6REyNXx64sltG3BM_2oqNKVNzGHXNjKEJvZtDGusujj2ByOf0bGioYVq2nZ6Jkr17FaceEc7JChuV.rAR8TJ6ATG7gNOKoQmWx.TVykLGEX5Nv2wHKifawEQA05b.jmXJ91vcXvSU7uw3KU_.Kk0i.rW.Mw_9WO0FS4FATtvk3txIOkhbuWBt2Tbeoix143EHTsgvFx9t1O6.QnVenb2a8GhE1zwoZc0vI1LamDCX4OSdx86aMXiNGHtcgP_0p7VULvxbkhR.gyZV2UOxvwrfx5tZws2TJFCslVQaBOvS0LuhZxWcedSxN3NvgdxiwlH8GuoLd2rZUfVFL.O_sbK_72N0C9lNUoZb9DLM6baJGEOKOY0YZuQ9QE2mUcXZJO0ONw.Zy.h3w2aAFv94o.DPK_4zQd5MUObv9fpvX8DqD6.jtVTtsNqgozE2.Q2sUp3PT8xp.Dp2GD_y5cD0dM3gYPxCEAVKSLVIpfCqPO0n5h9Fw6aHRMwGRaone3YGvC89EhEJtW_HxD8wIDFU_nz.CvxQuKKmH4sevr15uqGE35SfWUFKVrzqXV_qbxnlATOZBkTQdXipXzWM6cH.Omx6hDVpffoA5P1QWJfAerUAcnADMWt40l.N2_0c_6Fvl8_hJlJDPgHsss5Pf5xWDKQ2sRcO6rdnkpEFcYwwF7I9BM8WgWA0Dh7pb3F4ytBmyM2FAeDvE45SLU_0otOZMSu70gullzqHVeiDeCMTZcaandQGuPVmiWafTkgXU2XHxnhz1ojM6logd9Wfq_8n.TSAfvrkR9KQlR0XI1R7b_Mhu3GP11pzMZjHl7rdLfxWA7UovrXikmi.S2TKAFLeHSfWecH8yQR6nV2PkRp6aX8l_RULK5BGm6ewDE9HH3Vnxx9SuxaZmttGSpMsPQ4qR5zTkh2DDi_I_ui.eDk.dx2SFWxIKOljmLWXO8o2vhCggNQpWG1GVaFbjKxMjkNSMdp2LRJz6GN3hjwvMdtRXMviiKXeUysmk2JTIDrRjuoM2QCKmQup2t1.m58kzSfy8HolwTzBNP9TGRsvW1o3R"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fadf7b3eda2063';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\/9825460731?__cf_chl_rt_tk=f3FIqYq7gdTIXBYR82a7T6M8jfPVSTy_efgtCC8TUQM-1739177650-1.0.1.1-Es6.tFWErRRmWRAmelnf6rpTwB5t6klmYOS9Bmk1Lpw" + 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