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-264757151655.mit-edu.top/post/4810729365

  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-264757151655.mit-edu.top",cType: 'managed',cRay: '9112b1d66850c9b5',cH: 'Y3AVGdVovQOcA.t2azXAP0XKGOqv3BaXGjgF08vle7c-1739427439-1.2.1.1-jO8dyNnQC118HhLM9GR6KOX9R.P4TsdvQLUl7q9Z9GGv8BdHru2jB6RORwh3C8Ws',cUPMDTk: "\/post\/4810729365?__cf_chl_tk=25xaP9j8iTq6_rWJwyY.9SZxTu9SDg_MVjUC463ruHE-1739427439-1.0.1.1-2j_nliKelAGAcya18PbDl31krxjKTdcw6bhXxrddgnE",cFPWv: 'b',cITimeS: '1739427439',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4810729365?__cf_chl_f_tk=25xaP9j8iTq6_rWJwyY.9SZxTu9SDg_MVjUC463ruHE-1739427439-1.0.1.1-2j_nliKelAGAcya18PbDl31krxjKTdcw6bhXxrddgnE",md: "bslfFSyr5DGmhlzNCS885XL4bn4gpNEy.sKxPuH4ky8-1739427439-1.2.1.1-BQfuC6zoT24pdG1D3ci0aYsXE0pzkS7RbcrtENnBRyiBSnrMqrpuEIYceV0x9YcpBhsy5ZUwHoe3l0xqouDR9ENioozpeqMgZoPTZfxovUgBtLNNc0hdTaBUcnlPb46Gq7Od6iMrF1LMGA0H8buy9yy4LcEejO9LZx1Hjq86l7MfiEnK6qQI2xofjlVVL2HMNeJUAxGFF33PWl8_TjbeBq2F6U_Gy2TE_H8IFxL4tMeyB93VRFfeurbdqpvGjGDv_49vVywDdoee_HXw6DBTIkjYAaSXzWv3fI1.P3x0ikqRbbwza5kOCB94ThIfcD5ExP5jajUFomCGcvf4RyNS0eTQF9haOCpNXGtnx1gyJtqF_y9iqvu_TyvKrHR7UXN8yOzL8Xuil1fQZthishFqbHckEZPFSGywQe6TKSr.89p9MpWv_m8ePoliiYoYf_rL8juFkRyxhkKPzVjl8tpsGO2TlNKkLSieOkMgU4LqdkHvG6hv2N9dJXfiSAQx5kdFqjhlZehqS5nsUErIHfcVCs8HR2pe.D1fXcE5PaDbdK8Zi_V10VeE87CWJilOmnAMaX7dqhsM4ZWL0rwOXzld_Y_VSugfIuMw60gztm6e5WXqKBRUnWpCyNqYFIFb6fchnFFtW5hnDyj57XY5ed_zQqJPfBNp_g6jZrugbGg4Cz37zZwfYHTYmiCXz.xHMhk6oHwApZ51he05kLFW1C8DZUGAQR2eZbUyEEFNY7IylidgZ8YmkQur6NuLz6vM1ICcyyD2vWmeNitJjZHwPhwBH12lBbNPmxpXAyp9pwNwYc0tCqLv0Dgl09kcwtzCEYiWa7NFVfg5vUztCzipkL.sv4fpUGRH0EINdq5wq2Wu4N.8F5gMMtN0eC2FPkQoTViK4TUBKYp3i0SahDA6BoAvDPv.CRu1j7aXf4jco5vwUUcFyNsM9T7ByzGDh0._mrysg17yJStib_237XUiybCm3DjSEMvxQFixymeM9TELi7ne3FA8Ravpb__Sxm3jtuy1dIz0zXRsjYoJs6XLBVKx0p_NJUIpfEEAfO7AXvATAmfI1h0DgUgAHUkNN61NETn0vpv51LS52JjAVtkxEp_.dj2ISR3TSGBsLG4MqFNo7Rw5oplmIaA0K8qlvAEP80cZiR76WuFQFBGdPKLLoY3mivG3K0env7dCPup_r764bHTuPVhWpa3.IfYT0GDwFlNDJLCCWUWrNva4PvN0.x9y1kw_bBHCcDEwBH6oGOBkkeSvaCAZjG7KuRyV.yL_yCwQAY4VEIaXxFo61Ux.r0Db6pRY5.boKn3KummBLypxgTLAWXHYg2ZR1q82fkKV169f59hu1VpMNawdtKa88gOscyGsbJ.lCthjAlD9Ad46MQ4Uv2.a9mSo0NxAw1NzKe06zL5JP42U.zteRh_OpqN8Ulrtzo5XejLH3UoDalmZkSMOFCboRPb8ZpFhLlH4_EXA1p33vCazQCgIWmHRsZZfkMGsgMzDL7ytAS3CY5KJv8UbxDH0ovgEuZ4FqBKxup.8ozzy3wkuigGcVqaAQBtOyrWAQQB8lEzz79R1Uz5V.fJ.9ljRB_8MLerMzRCuvEbul8a67BJYCkOeeqGxyfdDjGs1NmP3yJLjF1afP4OGTr5YaWDm2PTxZVP7__lvQ9gQRkb0dSV8e6k3Zt_VSlcEkUxJHUrYftUsTRmiy99XYR6fCkCrp5zLUv.Te4rwTgbZopnZTY78rxBTMbeNFBENHXhl9REygQEoSXg9iPpjejIkk8jxxzfBOnSs4XV7cri7PW3BRDFBW4VTGYEACY5cTU0vraCywcFOcS9Yslm58rGnSPw7Dm7NWZp9wolObu7Gg7NqkJ.epQDorNffFqgE2uW2Bb.oCOTNJy.fUmM9neKBptMh4DLdNct3W475kRiXS1k3LpKLlVqDzxdAiIt8lRy0p2fJ5xUNrgu9i3az0Xzsci__YRzCypB61IFZ9K_G4X0JI00NUi.HhT4Og01.LCPe.IfWV4Ceylwx1aP1w7iElnjK3c6oYimVHqPvh_uosK7_9KeiHt2y5YzKbv3dtTTDumEFTlnBHseprpMCvar.g40tOPFff0PL67kopsQEyr3idnSmvtpgrOwFoQCPSr.NXA1fMDxhFnn7eiMOp0oYtaLU0VYi_TILvC_TT0TM5x9YwUxG56wjWLL5qqSkxsa.DmddWe3ykzFrpW0cCpKzZxmYK997YrOvyhnyGWRr",mdrd: "HMldg3fltoXpYGEhhZlQS.wkJuyJtFYH9dHwTfWsECg-1739427439-1.2.1.1-hHTTxEJew.ChM3VWiRihMewyCijnjkOoV4LOjgELDnwZ0mp80_ZHsRLy_fCHDjOnUG31Fn8jVCFWOK7VNMb.X3uPfsEWEffruATOGNAQ3Dx9YmonZ1QNJULM6tl6wNviVKMqNQsaCU40xLBrx._tI6wBFNkEWhezNNrsNmFGDDSmL0oA1ophdF2Ut2towy1DH3pVvqIDHgB4ge9AKfNhLz75KwZJrAEZstXVUa7BfOawmvWopSV0QOvMRnvcl_lZgsCTzlR6d.chLAM7g7c_DCTDDy.Qq6qubuEmqs3P01va.iYwa7ksuM7eRNL.u7_JoZg2XvzOhpAbE3qKhOMoJgWOSplBN.iHgTckyVWMTFOK4Vx00V_naVJUZ40RNWuj.URjpUrHvdzdkxBYWYp4WaFa32gSE2LsHJ3zSdktEn_ik_Vp6vgcTYl4cnrePoaIzR8OlfIncTqbAg9pjEVkGSXCajt80zc.NGe7kjjIsE9lSypa7oUFmuP5hTTQaKFoPLmwHTPCknsYPg0N.C7sUUJFWElnyLev3zCG8rHEcutMsypwIsZ.7Oc9yC11bhFnt.yC10jDsk7O2P3GqczLYkhyQsu55WxfJm9a6.Cat9O0eZzt.L8qyNhgerfzZbrKIjxw3mhPeHIh8fWgz6O1hOjNh7CFkFx.QOyj18Y602_PPSNemPITmerMPCK9RF3WIetJ_4XmWq5bzGmLx_.Lnyy.vBylEIyPjXqrGXcECQ3TBpqptXI.lmpiFPAEC4dbncpcyALoxMSvnwKD8S9moKTN2Pegj6zj3FhV5Knr1Qs9By5HjGbcLhVPZ7_KTXeK975yoWjavAGQ6.EKZjQu9bWQpJjr6NoDw9NsVNKJ9TfCUid8bSTv5F8WPAqXl_wAcwJWamNYs.oYvzjRRrko57m9oNNxemEB.6c8fYrSici8j1Ca.F6snvvPAXU4iy90xf2gV6e37rzG7cciyPESoh0J5HZsKWZwKILsTpnXM4RhQqtzK5X1_f6571H4AvVdaFuI7VqeuXe.lmZx0s9TC4_cPTHEqPDAjswl6U1Xd_x4iL2TdTDQvFxVOai.UdTHcGBHQL21P27aygY2dQzTo32g2Utsn1pXTvwmwpwvky_hvksFdwONBefzcYm47KAU_lKcp2eSsbfzYFll_9m6ZWEHcfjsmlhNPQg1iwyzIcfAJnCIZmpDMR4lRxydoNZ2jNoD1doSiMQ8ZgLB81qW5rpPhHcOhydb5LcBAYcE8L0tmkQ17zXFs_lEYzIwEGiH_VMI8BSDaWBUbLRTyCXDhAWGP22fEwM.ywikhpgiufSyGagA8SRNfrLWdIrvwf1mEI_WTggyc4gQvLmKZPCrpKOD7A0oGzTwie6bnDtZyKj6jKCFbdabv3n11T49PnXghRa8fDeiTiyN1dSMygIcVrOSQWrNzHR6FAQgZE_NSYwTfMM5D7RLLr42zeXUFpsXKM357y5Fi8etIcgWJ_K0W3ltqG_3Enog4Su8k5lmEdSOwlHjtQIpV4EKkszsOH9Wd77yFsgoqRNQ3BjE2dO.klSCYjgCFTK2d7MtfnR5.36a66gmNeDu8LsM0g359GoXlSkvyO2kRIHYF_XdYN.l8RqrArRV0KlZbbvIG1xYgSL6XF0PvECP9in9COsBc.vMyZNgmwu3x6tJXpQP2K4QfGfZqhf_pyB07BfhxhUWA5D7k2Z3gvo1IGFBpsaq6ZAWixr7ltSwFu31WSK0r0RaA9tycnyj2hsPQ.yqvp4wAHpL57nvnFeHo6wWIRCSGzeA8KVBS9nsiCoDVfTCyyR1Vm.51EZ6HSydCy7TzYn3_24"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9112b1d66850c9b5';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\/4810729365?__cf_chl_rt_tk=25xaP9j8iTq6_rWJwyY.9SZxTu9SDg_MVjUC463ruHE-1739427439-1.0.1.1-2j_nliKelAGAcya18PbDl31krxjKTdcw6bhXxrddgnE" + 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