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-affka4fs0.mit-edu.top/post/7031425869

  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-affka4fs0.mit-edu.top",cType: 'managed',cRay: '90f85a2ea999590e',cH: 'C6v1e7rqmYXNXeT8AQGBCZndDmtlU1rJImBQ3.Xnqkk-1739151218-1.2.1.1-ay5HDTZUCHZxbGUI1UMErqfNs1y05vOKKKuaZUKyJIJ74hZ4Kh4Y46.18w8z9jUh',cUPMDTk: "\/post\/7031425869?__cf_chl_tk=qd15RFizQ4zlNj.vqkW_tIPvRllFsa2tEyu7L6RN2SQ-1739151218-1.0.1.1-B8uOdKBNykd3MH.UmJrlOdgKDmjXO2qCMF_PcrI2Z3g",cFPWv: 'g',cITimeS: '1739151218',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/7031425869?__cf_chl_f_tk=qd15RFizQ4zlNj.vqkW_tIPvRllFsa2tEyu7L6RN2SQ-1739151218-1.0.1.1-B8uOdKBNykd3MH.UmJrlOdgKDmjXO2qCMF_PcrI2Z3g",md: "n4uKHAe.sMzmyQ0EBMhDomH_gLTOlezwlB1zjp4piCQ-1739151218-1.2.1.1-WaPwSlfeplHhBpojCLIytCwXNAz7MN1veQyNZsZ2sZ4f_O_hEp_KwMuHzY4tXH90UWAXuKBPGGjfB5HNlH_NBLFUHWyrzgRvQkEZF4OkRHR7hj5KmW6_KlM0vnRU1lFap7a4gyKaexht4yAMaxSdsqMBPNiSElMK5NcKLJAkfJzXlq2x3Mt_3ca0cs2IX_7GgjBCANWKF9nI_fta8m8UvrAwhzSJwQ2JGa.FApNcmvEB7bMcjyvfMA_.vsQMnPawudml40VQx8T4UARlsdGj8GsemuZCBybQI4kyV8KhO_wQS4gPlAvBZNNTDmL79WBAu878QGsPSmfELPZhxddCfEDA4d2IV_ImOCxcf7OGWeIfoKZjmZtW6DFTuqS87c2ixma7Mxx._.xIBCCjEhtVF5WDtlm5Z8P7mnKUGApvQX25S10aT_.BZ2tqkNpBa8SmkeqWSvBNjrEM7jYZItAT2m.dacY8Y4sbMO2HtC43B3IDafyHfqajjL30a0WdZNFLjtXmqzI654Uj_1LNOVlN9.EfqS7zTrqEr5Gu7KntAMSULNxkGl_yWBFSHimI2OKFQPXzoMU8X6xpRHCMl3d63N5JCBgt.7EEx7VTIU8jM5vTXTGeSPMlvkMZRKEOYIAVpQ03miH8PEBcQsx0LuHWsGGTfPw95nCwFepBxMzUcZw2Nlb0QYZ6TP4hLRWMsWmSd7i.rrxY7GqhfIJ8n7ECNdywrPn6tpn6YqEVI4LqQo7XwW1r.FNauKnboAUjBwMzE8HZhVKdPznwySbmHoS6XimOhy7eBiEztGJMnH2fQ52C_UKHTn3U8DrQDmntSizK1CLbzXMrJlwSD4WsX2xQLgHm5KiNNB3I0_iBIj6avVTwvVovrs5q_n9kmpSFF_5fBwX6AktFnlQLac3sK7vOmifdi0XY6A_hWtrQAqpPr2.IHd9k1arRLV40t20hA3LcePA_T3u_i2L0DTFnRDiImpx1fYj8dpPlMdedP.ViobhOU80824TuJnuNL0UCRP.imEqtRXCticOZzcvhuluKzk6xuXJ8Fv2w1fFUQB1SmAbTdX1aFAuCfwpUhyWHfgKqElp3Dpgfnn4N9Zx9dGTWU3tj6I4zFmwNuVNF.kkjSdz.dtBQhOriZg_yiMFWHjBvbMeq3BKcySYwMvoY8kkEv9VCcod2N1_6S20wQhFaeZyI95udM7hj9ELyeUBQF2GK5aB3tnMbc7aJl0DK5PxTq.s91kYheulA5803ttS9BeDE66yhCzGgkZ6VDak5Is963ydUfd2dmJuAEPT58zn0cqBhpkxHGerLwtnDXiK_glSMLJZ8fvfNSSxRdgi5uL6a3eXYghEG0YS2DidlQr.EtsuIeF_0vUtMgyIMljw4ONU2eGKOsnX.asnDZauS3ksM5YFKRj83J5icBZVByt2A_YbdPAhBtF1C75kcktEbE2rCvLS9lCyBd0ttu1ej4OhaUYOrq.rzSNGtRax8KWoBEQ4uu6OLCAMlE3_1V6Kf4N7kksGJmyNMlsWM9_l_fm4wl4CSnMtgZefmPkc0pEe0Z9qh26z8ldu6u2RTKYIwbP3jy7bmSQgLK4.i5psatsMIj7KevxdcWQamCYoRdMtpYo4CR0dv1ct3oVpHdTRo5pDmixzHq5w_CryQ.NWgJ2Ikf4UAG0S2KliBgE06_39xAs3KhCfhQ7ooNGUjhXbGB8d.Ctko4occ3sSWKS229mVjlqf50SR6XoONdoX6p5GHoW2.ZZnrYPQ8Y0TjzxPvJMvuGS6pvr1UPFtqMJEkIJ3fC7NY4M.q3N_QE4aEcuA_00ptRnCoaFBG_vuonNIUKeGQuf0yL.bWCZ03.LdBq81AyF_H1OKcvo1Yyt1p17aZGPSXPdZQurNWN2L8stj34HTJyNobnf8iZUnu92521JwVaA9Pt.MKTEzMRzlEUlsRoUOVpmXcLLi3m0eg_BFa9TGLDa0QUDWrbAEzaiEFPcUAH1JWTdotyYoi43PwXgAnvxjNfEnfzmzb2svey8tlvTMmZ1Vv1ErGNsqFwR3QxcDAdOkfGGaqc2zuYTsW5ylOtnDz0hx361Z5G9qz9zHnh.SezZncDyWoAxrQjkXWVqrqtufc.oHjFy06dBdExJvM5kJC9bsmHT4ZMOicXnT1u8e2xSTJiCxl7Qft7.Zvp36P9pBeviBAHeDS5qQ5JfCYGBE29zAIrTNvDp7iwlyNwXY6NXs2g50NOJKcteZ16Rp0",mdrd: "Emv0XtBbgqH8CbyeIOEZsEZV_PvUeLp258M8LqFm0gs-1739151218-1.2.1.1-9WB_isoW6EEpxIKtQRVP.BLVPeUd89A8Aoxau9WfOrw.gtPWwiCi4Wyct9Qd.COhZDFpQll.nWSIl2ipwiYvL1BfZMnT5cRBazFxHQ8KpkfPnZAUpMgUq7IY1_0KgwWtNKTES7AcIke_6ZR7O7agMy31HFKAULFk70mO.ZJONCtSHdpYKcbIThcpm5vvBLwvsM3sAEIqgyZzVf7GujNWcMP1keecbufvakY9JwCoMvXTc2Af4NFeDEMTxA.Xa9TWrAs7q_QcZUbNHN1lUi1r5NLNao6DfnD4bE.gI0vNsJ6wX6eD447DquoTtXh_vIPcCJp02ybdUcPB2TFpVNRQqtn6_jUZRC9duTf.HipBNu9piLxuZUlAWgsLHG69NvSLRwiMlBs0jLiFDMFnNIL1p884xrW6Fk5r9kycpUrOmyKPuVqNElHc0RRxmzC_8o_ke4sh9fxxYDvDUmqaRPc1KS0Tit3CuvPZ6a4ekj11yx0VpH2GLsFUXeWW1xEUsqWmeHCvzjPr_dR1JJNFAZbVJaNa9CQH9VKiKK6tsL1PEoHlvhIbbpVdo6FLk7PqyDW.9u0.I1ecwcEahPvwyXBoj9DKwKjLe2eLTDocpJmtMBtIMkajyu0yQoL6gYtwkhrp.wKMVGzrYw5dp1vaD4VWjNMRCUA_B9LHqMEGdn8YJxh2bT7xjcauTD4nJ_cDRPsYRNFQYvsjKtPc0QhH_971SDoQWv3dptLTEjsXlSKUSBMTXHxpVdCWCTvPY6VBJ8saWO2wcDZ8xHsVjSdUJnd6dmNBCtLBI2kzeykP54gPtMQvk_zNOZrLeNw55T_etGu.LYKYg9wtpzgB.y0o2RijFevArpjhNRz_mK1DqtgKAKoAULS0WsxU7rct2trCAH69jHrvExQkZgDfrq1DeQu0Fhx_kOS_5hVZ3oY9IiGaZrVngWvreytW2OioVkxj9VXvtH7s_628arag7dbKVwyQ3Qp8cC8frrXRYEPmkprxv4AhCkV8VNiiBZBBkrtQpb_azzQwHZhwZbhMwe_xcT72NzDSQuT0meChne2s_oMM6pjnWy7NvjHjF6WtUjBLN56Kz_RWH2BJzAdtcriBLLfUHHgzPymdtuAwiSYhnuA5LR5Ebh8v6bYv1iJOJQhC4H4LzqiRi2a72UvpzZo7UGnGDiJPOzce2VPggCDdYne1hiydMnGoIAG6ln9ZGB0OF69yyFQj72IEPoHwzdqd_Tb9viYd83BCIgQ5i5uaqJ.Mn7v.GolfF8fEHMSLB.8jdWVcmjIW1e27Zt_erRAJLMh.J2OkEO2YL5mxwdgWOXQYvr3j0_F95CMT4dhtYVp2iiS38zlamG3Wjx5FLLR_ITzFppdGzL.we94FVxrFhB2yQkPyLmjmrjtLJvvV0JxTzhDWoyW_EARcyygkWskNzl2y8l6CNwtgZ6PQAwW.9Dqq0TexOgPfWg6yZTvpR.B2MUGSnm_8cvcF5xrve9rvqd3KS9eZH2mwOAICMxQ_n1fR9qQsFuZxrtmRrrC3jrZ4ZFj23M06TjYdQOMoDImL4XIz_7k3IJPVh7KGt1kNvhOdVf9YgPO3UO5GKVvQom3y9UZdNGXu8rDs_qFpfE9KH1A0wjhkQoK6aubyJHi0BfULj0DJtVLtq0ATg2mgFSnXrgu_PfOQgKDe5RGWttxIG7c83Szm7pJ6w9_zNalTnApkc_YjutBSqVg07qF63kNAXlDimpEH69HT8JXWimpYcpnlOhvRtBpOGqnGdEllLnY_t_YR74sm6q0GIRO5rvWfxYfvByv3muKl1Te6bJZlqBf5Kw"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f85a2ea999590e';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\/7031425869?__cf_chl_rt_tk=qd15RFizQ4zlNj.vqkW_tIPvRllFsa2tEyu7L6RN2SQ-1739151218-1.0.1.1-B8uOdKBNykd3MH.UmJrlOdgKDmjXO2qCMF_PcrI2Z3g" + 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