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-affr45h88.mit-edu.top/post/4159273806

  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-affr45h88.mit-edu.top",cType: 'managed',cRay: '90f81e6e6b7a2084',cH: '14f3Dk9__SwGWttw0Q5yhuCPR2Jv1Mj8vR3jzEXiL8M-1739148771-1.2.1.1-z3vmByqUMeO0C3BMl1Z8YJm5Lmg_AidkrOCvcJqPgTo5h1p_SSdguuLpHSoBudtD',cUPMDTk: "\/post\/4159273806?__cf_chl_tk=MGBMo31c7M.MVWysQNqvNRhg24XZ4PE434G_kaOYN.4-1739148771-1.0.1.1-c6pK17feRhx3G_7ChYCk7XqQrxT_zfsJ5L9mNhHZ4kE",cFPWv: 'g',cITimeS: '1739148771',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4159273806?__cf_chl_f_tk=MGBMo31c7M.MVWysQNqvNRhg24XZ4PE434G_kaOYN.4-1739148771-1.0.1.1-c6pK17feRhx3G_7ChYCk7XqQrxT_zfsJ5L9mNhHZ4kE",md: "rOnyHnpBVWwYZM9.oZsRwsdL6l5nmJdbbaB.Qj5EIMo-1739148771-1.2.1.1-OfFJxigf5PPEog9D4hdugHMQIMmQFKh4R_gRdDwedNk42UF7y9ZKf_V4h90JQOCQLYr1HCUztEZICKEwC1mpE0DhchPQVb.qTAVOdK1rLH9GOJWIcDc82Dyc6TmNgtL7OSPVeVG0Z.pLGjsalG95k6iuePgAvHE9xYBhX0uZDj.SEKmajrq_UogtXfTRL7f47uBVpAB0nrFjSdnxy4mLigKeUMttfoRKTW8lesFEAFQt95a6TGUuv0IKmQBNtJbtzmhF3G_OSU324Cr3BbGvf7i_mJGw7q6v3I9W_ISlhBBZK_gOYF1PpllKb6K8QeGPIpE0sJoJOfrY_vCEoOOyp.EFrFaZ0EV9soW.9byqppNgCvsOdXw5roLI7pnnYHGw8bDCWDWL4UWW63gvwdTR4a6MkUXy3NuB_Fgf_NXfUsl4OPMk63emrNgosbCVtPz94VsFr7.AT4XcybESvBnJ.S53YQMpFYmwNG27Xak7Ghg15RHC6pv9AZMBQxicWRNa4qeH41OewG4ZWFTCmvZlrw5y.qBLtJKkybTx3RZFSCbcUQYT0Gectas1NckbEackV.VRU5oeH_t01Y7DBhavsTQmmE3TXgfECGMuGD.Cc.eiuJt57465NOuL3BMYVjeJ4cZCl5G_rOEZDQeqNWLxK3B0YAN2C7HBb7NNf_tSheS_17zIoaA8wIDibV58xWxwww.piXjmM1LNECVXaeVq9dZC1e95wL.Lt5hAikhpALSFTJN2pRk5jAglqfK9MAEvSu6CnUXLKUkumviH5S8nXFcZVtELpsca.mRvo6anwDQLQHQHvpD9kgCsAKKa3QHq3_kkd_QQezAZs9y3XsixySDqqUE88SlRljA6YeBjx4wEJxBSyv6rXeV9yWuzFW4hxRR6dU77MBR0M.ytx8G39KvfaV6yQKlC5ADHsBvkTVeaXGoUwLzcavlKL4TM3z4nPJIh6GYoPD5vHuFFmLqfFV3dB9qTAfNt1BnuaC62ZXw5k.zy747rwUV6RSzWaOBcr9CJNvxi4M.b4k670CMgJCmCysPc0drBQhVROllzpn9dopn0AleUVDiwKjuaHRqsHI8uFmY0hAUGQYCAbRUyK6gUKkm42ROQL3l_HtwxoV7LsGqfsVJQMcNMn33Yb47hrSrxyuNreloI0ryxgqDg_bwExvBI1UcA7vU6j.ZVU6Q6GWXei2KhM6N3bIyeCwove42S3ishw87_d6CbDCq9ADPgAKfhZS6wbBUYGmXQUJiIcJnBY6aL5nU90PwCEvWQDC6y_6a3Z2qkS5THg.SHfZ.AuU3Mmx8BrUiw9i4wy6dw6NSmk3DoXN0MQynQ3HN3jJHklyQjavnsHUjdbHB.UU2i5ke3qKXaGB8SyHuLXiKBluk96FvAPVceNP6FRrPNXroUAaRnMitsmNCoKSLBz7BYR1.Hz7DUafuFUD_VPuQYar16F_gK0gb7h55J8uj510ZXj67msrVWxOESGqv0XEXl5joG6GdSnEXmXKghoZooAoyXBj5wCQo6yHNj39yU8WzlwjDX_tGkt_xfqn08O5fHKkg4pyxDx4Q2d.BwyFsJw7vYMLstSf18Y0Yct7ZVLIZ6_3hLBJuqTagp8W0lKzSRHbTKY9tOY4lP9fkIxFqrTSMdBeDUMrimLPf5yv4ozm.x50TTv405kmOECeEQo_mtEeqbwvu8XZ94MSrZ6LrnApVjJmEfNfJscFGE.C2lMHiVbq3bsMWXbYNmAP53qAa4t0pxvTuN_U.b983oQrpNZed9aOf7M1pOgeiDPlS.DwLlPKfj3YUPedRLF4eZ_DRBaAvoDySsD.JUKm5fs3mDOpxSXJlUA3oORCarJIB8UmYJhQoXSME9uEE5R1Yfsck3i0OJCWu9DeLLMO6mnpw9xTzwQ4oDMOwv4hO5BJrJKjfJdMyWhu2KC3GBapUSQsDjs1uLAAjeFkoRyt2Buh4aUKXSU4xcIkzDwqjBIThq9yiBguzRaMNs23at3Z2U3A3ksCUhgwcHv_fCLXRmuh.DA5TwF1dMF3IHfNGXnXVayhDox9ekCeBDCXJ6.XlUxiIbCiWxlR4g.yH45YQXRwE0CD4vzjKkv_rDUag2Ytvt38kB9ArzzKA6wPYobr7b2hO9vopg987XpX4JZ4OCMW9bs0RYlPolUZ8RrzgWbyEscD49eQK1TmSh5bpxyqnxJYS7.UxPub4ule8c_DwAY2iWCa6Dhc0F2W3v0YWlG6O1",mdrd: "aHqJ1K.fLuE0CIIafEurPj4y7I.I7kSiU_VsceeS6kw-1739148771-1.2.1.1-HcoyK0mWVI5yY9sfT2CmIoJXDYaFsZulU1gyLMgX83hTaQ1_9AwwQMnMP4H0GOYavdTMv2lOJlFNGbwqIgCDbIstXCwO1PvR_oTXfvj8Xh6A7N7FOmOhvXSwCN63D4xijxJEGGiuWNXwKsnEqNToSqR6gjsv_eu34LrTZtbUK9FW91kOqrmZz2Yf3gue_kC_OvT2heZ2vm42JpxmPtBe6ynbBgkkbwqYUBHWn8NkgF2GR2Ky4uatV4b5MQphs7eU41MEJnWhbi2QJn43p2sEcXLVfYRApcCikzQKmb0IuHp7chjehDrgg5SXpsp2akywVHmx2CMrI1Tk0r_8Hx27.vfrdW.BaWEaVPAwPD2gYeFahkesSbnP3gE8fVPHFm1w1YRpvS53j4wYbgu74QKQosAXkvs1jH5DIr3.8BZtlbyxyVzXE.CkfS1l.B4hUi.T9Hr8U1hw1yY3Q7vu9Iv2Dehaxo1s3BH76RNgbsF6Bqd3z1taPRSESJhIHXSJLiF0L9eLvGT.JtSigIkh6F_W4cOYLqDZLebKB3D0uqWpotGsS23b.LnVsLR.Ug8RUg05xCqefr3w7UwBTH8BWvyCaKNWKMo5.U7c9tH6TsHfn5dYhIe7YLZTNZziRm3ULEte2wM_d_Zz6yyaQQakF6tRnUeyEJl6eCRhXErV61r36_iYpx8o9MaN.lgsfuFF9y3EGwmWYctVB7LGWm.e4uv87gMnKLepLrOh2Ycc4YPq.4PZi0x7t9m2ZKDGgezn5NVYoPMQDYhEnH9GbOq3KMDwTa4if0w3CQ7kNphcNG8v_2SuzN597399z5ohwFC_n21gcsk0YXicDRIKSRM9N..9URh3yby9LFsH6xDtzzFTZ2aCYiughACVpTyFJ_wilsPuucSo.N_FGpbr_YOJPjO6ZWYI9zBzaje5G3RtHLYFM7.dBi8h45EYkSoolqKWquWYWsozRDcAXlJ.KLGi6zP.ANPGCdIG2zfOaK2mbtGnwLBrwoJF2L2.BULjUAZHo3FGplr8fdv07SXNzZNPot.s7qhSHxiDiuP.D1JdeJXX7XKoGzbAhXHHqV9BsM6APjvMX9CSv82X4pW5VMQ7xhltQ6vmYrKfSyuVyLbpxNyy5LDm6dMgfwDpVqdKuO.DdKxATGjQo2tw2lSoPWz8COBV_8b0B.3Z1sWdWcqbqSfllUqTo5A5D..dihy0Bm04ZrN9Yg_LzFgzC6cEEaScwzG35WGuXWm_._bkolH.Hk03CINPCz1yDDw6NIB5BDw3s7ZBLPfrQFkBTp5aJkHVyQX0bvvbiDtp2V_op_05vSbeVbI.2ogrOIGByiDumkXW0QiHGVGghl7FrBT5jeoCpwsOyI_WLs4a53xU3paUoZrB4wu8bj9dMtnN37J1CXdYb78O2Lxw0_DBEABS4dtLuYYSW8dn4W0tYYOHsbe8TL6ZOKXiP7JbkgAelSPDEQFF33T7I9yPf7IZTq8tPeWEqJykfkCxuvP7PAtXvUsHa9z2iVwl9l_O1HZI1CQPYxHRYv2zfPmyA68Y8FQT13sA4d7x13qHdo7TCds6AytW1KA6vLR6k3GUfUjaKPRyGJlp6qkB28lNphKau89XndBSBYxDTN_0bLNh8xvHC36r9Htn._Xm0xxsga.rEENdEChyRZlqJ9sJ38iO4PiCOUyyEGuSEo7NP5sdCGW7P2dLUbF0cP6_VhX3LRmvl.1Zfqe7HcBTsn0BRSoQ9WJ1IlTatK3BKCEJRErgWpy9QkVSEfDqxqeKz8LZpTa9nHbkvQY0xDUPUTBz6JI0MDDW1H7pAlNuem4MiJu2RLTiCRK5MdHRLBI"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f81e6e6b7a2084';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\/4159273806?__cf_chl_rt_tk=MGBMo31c7M.MVWysQNqvNRhg24XZ4PE434G_kaOYN.4-1739148771-1.0.1.1-c6pK17feRhx3G_7ChYCk7XqQrxT_zfsJ5L9mNhHZ4kE" + 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