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-aff3v3kb6.mit-edu.top/post/0261985473

  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-aff3v3kb6.mit-edu.top",cType: 'managed',cRay: '9110bba21d0d205a',cH: 'nyujULVp98dh8Tv6.QS.OGzZrhap6Tlr25oVjqKwnmk-1739406868-1.2.1.1-kTj7_81j0PgpO2rMqJYsygGN0GTAp2ImPg.3oFTMNlHbetAGCakEJhfYZ5wMl9J_',cUPMDTk: "\/post\/0261985473?__cf_chl_tk=LHvszywFFGlPZb2.46oKUHhqWKjhDhVip75879Ysh7s-1739406868-1.0.1.1-mhdW3pq4zZwjfQ.6Vri9hp3kELMstykA_he3mbHF6wE",cFPWv: 'b',cITimeS: '1739406868',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0261985473?__cf_chl_f_tk=LHvszywFFGlPZb2.46oKUHhqWKjhDhVip75879Ysh7s-1739406868-1.0.1.1-mhdW3pq4zZwjfQ.6Vri9hp3kELMstykA_he3mbHF6wE",md: "c0VEiO6H4qm2eDBWwuCNgwHXk0_03VjPxbjLcU.KX8k-1739406868-1.2.1.1-3L4ukJmt.uiMIif67VAtvmMlWCtBv0V3L.IRgvjWJDv04PnwrwGJs.U3aDH4.Zugich4wVXjEH0CMJ5l71AwJ4r2lXa71luJ1HY0jABI_vJFmj43TTKqxJjesVoqQL77HQVbHM4a52zT61FCKoN17MJMXnMnxnKlQWS5KfkilEp63Cu9mBxir03cqKUxUmOAqGqiSeCwd8LIdJSeD0jA65xIxFJ8EAmMub8zwdRtKvb3A3SE_dEX0puq0TgZh9xlml7_Selq1wC_52Pp2QXS6PdK9Fl0Hn_q10CkW1Ugzrod.5JKvkyU6zB_VxIDnpIDI7BP8LJ1yRHNSKn6kBQDl9XgKs7Bm87FZUTVGKPa.JfqkhEMGwThffin_mRqDdI2DwUMtohOCNOMUe5dwfpU_S62mK4thKyM8YM0U.0UF2b5gmzLAdwQjBci_4GNJWfctczp3d_Bsuu6gOegpB9hWRmC_UaSpXr9NiVUEaxtJ1pOBeg4Z0ah27lCZKcaDp48AWVTiljw8oxSXoIIjLpoUiPoNmKyeumLdWswrSqSAO47bsnrDgKgIloAOjDu7ROoPrwRo3Qe2g_dnLGt49mex6lJoRBwk5NB1rdhWtdj.w9AZjD.BJGmgyLY8TJ8wVXHatS.CZNzRxapJukPt4hV_ZlTp4VlmlsSeDtl3FFIF_vbFIhzrcBsp_fSY1twHeUbmnycUabp6QmjVC7JIbFHx.f98azn2bqL_sZDslxrUfyGgtoPTBScc85mUoRbySavA3JBij.fX70PIsu0j2t4EuI_MVJhZ9bW6VeyPHpmXMJLZbVl9hkBcRvv4UBCCy.SAmLP3PQO0rLkfzpH0qVLbAtBmXkbFaIN6LfeBLi5pO17MPrMSLLsj_O.TinNCVwsq2aCqCRtNsOGe1NOyspGXZ08kQdWLmPSGmiuiYdPoPB1FTN8GjijYVmYBWjyaNNhi6uIew1NHes36eSPGvvIgx_6dJhZK98PH25bm7ElXDS4n8Du6NwmRc.ePGIkFzFM4JpylcWN30F5WFgXfLEGYgSdLyIsQpmbF8uBnVoPOFMMxjksL44AnNgPdwkf5n_vDEn3F_d66x04EY29ojMfVACsZpIM7h36KRg1ns38ug9hsCJ25xQtTSomqAOft75wh8tKICetUZM._V3jVXb5e4EjHdJe10JR8MjP2X6vbYZ1TwjdEW1djxYaTns018EgQtip4OOSZsYON9OzuLxBEUOLEVGk8UjymNLdZ5d29yq_jgw9.0FDH95q.u5_V_S_xK55RVOSfxnpBzq7wLyWWvewZPVhBv29lB3Go7gfBcfvdV2U2BksK3TxpLAIJPIMf7i4mvAE1cKKCMWXflcDc.UZ17ROE5xuzfjQ3Go7ND7y.nllfloi7EABFxmoPGsVjWfs9g3hlQpAk4uQo0CPbXOkXCnEZpiOCJYxYq85gJ9j2Nr.fo87Xu1mpEfUyVYrro6D6CP1AloK1mOucI_VH0fzzDcY2GsY5ypSntJP1uPPQfmXsk35cjZyIajnY4rESBceV_6uY2qYpjW3JbhisPCecAKu0UgiHiUhGqHkQsSr0XKdtbzLGKbRc6L4x2Dw2b7HkvgD9P1ail3k.hC4tJ7wG5KTo6jqbHAVAm.Q5XhRy4HZ0x7SHVbjpoKb3K.onBmdNdlSmBRTMU1jNdVjL4Y0W6AHM9h6x.o_yfix9nEn3R0UnV867UbR1kvK8bTUN1KNPctPTzFDuzF541bRdAO68bzUknefOoVtrSVCaZCob5BPJxWJ8.ug5egsckEI7KqncBPayPqazkCUUAisVcDUz5DxCJdLfSmqAgLKUe4.d1RRmvk_LLcNNKkGAIZPBrRuB.YvyjMis3RGpPcdvOdYeFdJSjtI8ugUDBD07BU7OFHvJhhhtGxDkS8GJtPNQsfORY00VhrAFc8MQedEQrzk3HVpDxutXEQzJ1hG9z0PLiXn1yCVD4JZaVJWfb81IZVA5cp99NP.Y_p2_cPHNM6rtntBCU0FF3vHRQYHAF8Krrh9NVgWkKY_bgYYAwSX4w4GXPF7CosU6PTg.6MiUmg8enV5JUwn1in8vkbCsVQBn4HO49xKZthRaHh2FqkGPfNGqQe6q9.Fpri__YTPrjDHhi.ZbGuBS30JPAXwwOAaqZY_YfERv2dhADmxPqZ6Ecz0UaZDXaz.0zoOOgENAn1ezAGUiKfq.86ozsBul4tBMMDyqK1llh48lnCXCkiS",mdrd: "qT7NcVA.AaOLde4LujwbqiwILEPx52UrYdpNQq6DfLA-1739406868-1.2.1.1-D1AUj8GVMBasgt0NGof0AfDlSfbpQO9BvLgfq.DCr6LBYp6ZmDowh7aXTkvoZ.76H0hMhMb_o_Qb5NmeO53bnWnTDhBJL9KKVK6e5lrio2kq6iuBPZqGoiWlYw6i.MXedpvKEiOUoe3PRldojH9iFwpnqDyW.1Ev7_Oj.mjikcZPijpmkl4e8mCVW4QxrfMkGycTjmHoVfA94sk88u9bpraAgMD0Fokt8YuY2CRNhOxBoN_vHHNBRd8.Jg4NJzDOB87lqVxSMroSKVUYW0GdiTh6enjOHEQnRylC0AfKrqqhCNi5yQdNXETsy31Bf5c19AQhLDTYMv9TaevNclqIYgBQ.iS1eagwR1NE76RABQ9ki7QYf8FxMTau6n_BjIe3xKweybD5En_DldhaK4cWyCpIRj7Vq7fv_8BipS8BNg9fzEHWA9OVJuRjaA1RfZBiQOexgeW9kLHWaPulZUxcf3dHJt4WCDm8dMKEKx6KOgnPuZ.X4VnSSEXA35zoJYf3Kq8w9ar4RIKPHup8_wpn8n0k_gJ.rpeMsODW61gpVxiD7rV62LTYhiwYEWJ1wlf.hhr2cmIWDqy6HcpmyQDKldKhhyxx7NMNHeaReHj8A3dDZE40gxf2ENt6xNPZqpbaQ9jB38MS0scT_25.Rk7P1maXRsxAA.a5mvKUvq8nMuzjpJhuHsG9fJHfnDPTVQ.YhkjAK9C5zBFb4DDZSHPErbC6FJwG8SE_ndhY3XV1kvzdnUOa9e1ApVKZeZWcPkvxjagPX1qVgIqNQK3RxOa2QnM8rEM416W.yUA5ojVEAfY5ZsEu31QQhSSF7vDHDwq_giWWJrxouFNYJNcdbzaz2tWGubbqeIoA0aBOD1b2pzR.eeUhlnnZqSPMMrrWlNY8kVeRzMIbQscQsP60SX3P0oVcD10WxX.pcSIZttN.HMD1gOQRsQADVhza5y.4AOoOxrYm15sU0YLAPZazUQwpEJvxymo1qmNRDlpL39lVOcGt6WA2PnSrpwajxT4VXKtbJElGT3WWlQ2aeCRz6P5s3ENU65O1j4LVn3sOQ6bsGvUFmKT.keMyn_1rPzvG63GSImZX_AHONKYnGijZWBZEUNQR8QswpkASuY92hD5ZJp3v89cFxRVl60Gw5WlbZppSHd.MpMUpfN4A.gZ.0I8AJMTKSNGct02UUAgnKeH08tCH44Yay2Y25jgC3xCTPkWqza6.fyuCDUY7riXntEoL3rEYj5Dc35w4zjgiv62k.XEZyUOklsDFIfSkENz9fYHBA0SgB7CQp0cy1XNO8Zxd3edmV5ri3FjCQT8wr134VThIWjdDoWsdSVoQ0AupE6.lTwANrxati26cYfgDSghqOnPY3CwEuUNBqcjwRr3OUgAkOMHMeJhO13AFK_WAqadYZh_hhr.zfuqZNwWZ18QJPpMhbeFY2n.a6qrHEaMyzN4ZSApDZUaIbXtiPL6qhhEJx67IDTrE408SVKLV.iYQN3GCLzO5m8tj1Ne_pLWFejMrzSfwEOUJkRE42ogd0UuAmONASuatYjWWEATW3s8.6r8APKPgMBFYnqyAP7.WS3gT9uoBqZjtdXYztTO0O1rmpcqTgozUcXSeicGrASVVIFYPxs5WkeGXb_SylvYnBEU.K7Pxka3F6QG0gZECIAjlRsQQY5cHAhML1syR8hOr5uMe6bWJFPBhYQNLRqdX7WfBEWOO9tT3k1S5X3KO24t3uh9q5QPVFqaZTSsoGPdazrGRJ8u302djbWq9AqgjRl6txzyB11hAJEejZygPwOsikjgzuqvZoOPnicRu47In2te07lof_sJnDbOc0I4f52E"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9110bba21d0d205a';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\/0261985473?__cf_chl_rt_tk=LHvszywFFGlPZb2.46oKUHhqWKjhDhVip75879Ysh7s-1739406868-1.0.1.1-mhdW3pq4zZwjfQ.6Vri9hp3kELMstykA_he3mbHF6wE" + 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