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-affwl0xh1.mit-edu.top/post/2094715368

  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-affwl0xh1.mit-edu.top",cType: 'managed',cRay: '90f7ed076d53d64d',cH: '4CQPoe.nrTQ6cJK2zzVOGYyeM7LP0QPtXJlu8HkBTzM-1739146748-1.2.1.1-XFzHJwzXD9sLAv8NcC45TVcDeUE_AexnKZrzDphOCpN1WVjeFQ6gUyGi67sIw99Y',cUPMDTk: "\/post\/2094715368?__cf_chl_tk=iTzShuRzeclj70EfKoMK7wb59jLw9sqz_JuuDgoRVH8-1739146748-1.0.1.1-329dpD7mQtf3F0MfS3svrCZmxBuPMZLLFaVG9IsHEE8",cFPWv: 'g',cITimeS: '1739146748',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/2094715368?__cf_chl_f_tk=iTzShuRzeclj70EfKoMK7wb59jLw9sqz_JuuDgoRVH8-1739146748-1.0.1.1-329dpD7mQtf3F0MfS3svrCZmxBuPMZLLFaVG9IsHEE8",md: "5AT2jcUaX76vCUEEUXdszUfvwYA2TWap5VdMv7tmRvY-1739146748-1.2.1.1-JnXnWMjV1S39SgOi_pPLdT1yA2pQlRhIajcFwmhgU6rCnn4_uSJbTwJeC0ho2f2My1ZNdtlBufS.NsqJZBqkpl4kPm9JhdEmFI3znNcQDkXiNt28jJ8ETNSEmiZwcdEYeB6I9Y3SwDAFPAbhGUOa0YV2vjZ3l10UjTBp54oEPoWMTCFWGBNTmMquyqpmhzwdzwUHhiQDp0Cl8yT1Lskx0XBqqn5PS8lPDvk1MvTwkVz6E0nHUbtTpWuC0AxJC5b8ybEpJGuFNCceHhjH7.sycqTfw0FD2N3msMZ9aa.PUmoI58QVYSFur01HMwTQFS1dlkP8P68EQ4C5RSVn1_37GVeexYtsHa_qSNYC51g68GxqWY06zTv2htQRyzXw4fgV5gBQgfy551Pzvt4_3wKN3SDeDT7zwoj2jWr0Zcqwr9obceo8jPbvu9DmQuEKN6CWkss8GvUHUzWj7ZwfvskSjWidyA0pIrJJH_CD_7WLvrNOHNgklU14XYv.0SryLzrubN2DyA_l90A5EVELaB8TRRFOgizBtQNKLBSSvOsxhUGecsZX2Lbtto_bokysH_miHvHELtDiY66bMN0u3GdYOXImPROHIWxijMnvv8Eav8HkkmxZgBTB2iTpqGYmfzMMuLR0da5CtocDma4g3Is2DqTXbPqDBIYJekaP7X_wPbMwr8RhPrW9fNZuaZzA8VJS77jeUXIAKnNvuR2aV3IHSjxkT8gRUrIP9crbUqXbFeiskDxtcTn7yWzFBW2kSkro3uad_Am_mXwWN4ocvsuQRAzInC.QwiZO3thWiSp0qblpNfw5XlY8Ui6q_uT2P87gUw1pC8kFGuEuu.fhokmlXcbm3RQ5E8B2bupjD3bEWPF6u7Id9QoeRwI1PLSHF.KS0ui1DIgHMs_y9.t7LwfzMzsDmRWp4APYbep8x0pG9rk4vf4dHIlP2.GjCJOh7o8K9qMWsQR.fP0RbD6kaxFw5tv5z03L9WmKW3dn1TxhlN1qV9d.8bXHBm.tSlcuuoVux5sbFAfkpcISq_YBR.jxJ.Ud5KOj_19_Ytz_cXZHaPLcYtxxFyslZzgmiYxrgHjjDTrCW_PsI4_Cx0AmMDoDQtCy38Xei3D1qypQJoiDDkSmcpIala1L.Fzq.U7arc7S0Ck4VbImtGA.SDNI__v4jR6yLPqpXlnwO7peTvUunGuAada4PzVRT25kKQEye1.pkptVxuSbrnRV0flFXBQ2nLYj3NZSouF6WcEJ3gGTg.fod.HxWh6mAMVf0aGCnXIISZHxtSzFqo25psovCOaAN4oR_kKcbsB1T_xi18g6MOaQPumsQ1qXQ0oTr5Q_ofOhH6o0itVwjPMey.JkRCVDdIFpoeVZzRBhQxxUG6V0wARnScL5sGFlwjNIFY927MLEKF0wZqKg9CJXPgZi5pFHBu1IdT2KTiJ_SGEutkDnNquvtQK_a75GHA8KKFxzrnXq5sjkE1Uy04UAr7gf3fNBhk1RBd4JcR4WijarJHoxywz38I3aUld4DgT9Bel5ZHPS.OWr8r1CmwHqbCydiwmZTcAVcIGA_yHwb.KNyjh6omjJa1NJ1MC0lV.A9PSeUYMrY6tMXG24hOjrFwSMTqTkT7eI7_N7ZiFuOfzP08BZ6aCzLIIhnl6Nap7nNfnRmMOLJuvOoKy.bVD5FlZDqVTRGfjX9U50zHHNR7Rwbj_RWwFBZdP8umfL2AhCCuPFhi0UriGAgydS2M_BDtICzMTGLV801JNlhLkw4.rlDMZ26zr3q0svC.9mh8sU1osGLaS4OKzi9v2cUJeyu1krnY974HZbCc6WVmIc3g9XdAQpcwxXGdX.GSesETi103oeeZokxfoa0yPqNIOTUpLAFaQMxb2nFpN2X6PONcDVM_noqSyfMz61RuaxPhmNYs67DFexZbZoNSLxTEg.K.zKUtBCaeS5sZL57N1qxDVh67AfKN.VDIzeqLQvqEkLBTTEX7HgmzB7UwFrTW7j9SgON.zE3xRapAqzloKQftAHuP7vu663.kiiG8x_Ndz08adClTh7fyow0jiFdHBdsJaTzcJSy4NyDQ5LYd5skAOIx4pDNSA6u25NAhCQ_c0bJFJv4Ci8zy21Cs.0UyQi9EBHHJedGAL3XBQ6yw9gBcSbYWVhCuAYhTJd3cZOBp7xa9Hv3sFe_l4QqpmCpa1_8mjLwRFP6sp5LQYdOtlweA1t_CEzXSXvlK.sci9IYi00vYPjAMnk",mdrd: "_D1.pqMdj5fThc_8PBj.60BvjOaxDhGKuu5a.c4R_ao-1739146748-1.2.1.1-Ry3x.uXS5RD1x0jyfE5B03veEfMS4HY87afATANhsA18KjnFkV5nUIA4TAqN2cA65uYV_LPs3CJ0tjcwXfhkvbRebpt1wPH2gmWoHIxY0yCJCUsR.eJX7VncQSQvkwsBjca4g8IXRsV0x9phsMMDsBM73z8WzAnH5SlNW_A6QDFV7Y9wcIYJcbsiSSAroLRTigmZgPTDapTTaEdNN9nR2XwY2ZqwWOMkC6hfZRHWzLW4eR7RwU0Z5hdJh4sFamvKwekonZq1Yl89ZOwIg1gOcxgAkrsie6aEMZEWMBaJidDMkXXkldZY6bn9MPROAypY3a8OIhrAL7frctFhkIf_vHNAzpP8HvW8dTFhSDBXB4v7Jxxsahnkj5KjhY1rEqrdDTH3KfrTDo4RejwRwuZ91Dc.XwmNTge01pvQOR71JAkUFKwJ6kMTAryRXp_Nuwq8jwlXG_rUpwEEyGSQA3loAHmKKTfir.pRTPcBHP9Dq9W0dDKQ2YQ2qnqdpqE54DLTMoj3avC8auAbcOrbXsx.bTQYq6sPC8tYO1ddNlViPVQNxkmuQDS5pirIVwngDBnO91PVCQT3jICyaninmIkCxsrEM_WB7fNLH7uv5qVYOL6VYSPC3W8yCfLvRy97U.6_H34ntnVAIoOFel2Xh2PIzoPt4FVVM_5G8RvZKtqGk8c9BYLxtSGneaIWcyUd1H_OTxtuyFoxWwZJrcWjlkLmW5L1Q2sSpG0mnF6IEShni.FUmvtZfI4khLQZpx9_cd3Dzb7dQlys2uUyAf7NLRWxpuUas6kc46w18LEGHm2EH3.eChDkmIW1b_g8Q1hvPG_g1VZgC9qsWy0z93tGbPXC8eGMlbCeLDDoQDna4_hYhPIDcJpXCmMnTx0P0HovZdFULVtEW6MJSmQo_DcFs.uI2e6MdZ3CFre7D9m4sZ4o4xcNXwRNXuv7C5LLL__Cfwu5ZXp1vuwBTI8.HxrS5Fb3s._w3N5FBPD8Vh12cjg3AhYDAADw2wEXzzDfynUciR1BMMXMazYHYHgjwvIX5WXAREhloo6Jpew1ThjXdV9vpm9cecCp76pHSSSzXVCKPVTxBxIaXpjAW5h8a6i_s78lxpI8c9.lIaTAZS5C_brEwQSvWYXqpmusBU0ULCo2e677Ss1FdebAu5tC9pxXYHz7U5lkjO3WDb2RbMTqPZD5LG01Lwv6IJ_C1YWEnQHeFhDJR7orKzQaH2Y5Lkty6gIsE2s7_TgNvUyDG6ecas_97Mv_EaoQE007ydET0M9icati.SLTgKX.TRcvZeawTQAm3dUFBfqmjCnbBYV4fkLR2MQktwkfDIVTVYFGsjd3BjFT95SvdbAOHp23QrMNXR9RlWSDWBZAAmQpIvLA7gUARaumj8fOhQiooA6I4c9gurbCj8rH62J_d0u.MO0yy3lH4ZptkoUoJ_LR7gNoYvboZFm2d2c3mPC55US6P68yHfTGKGrLnFBNRsGCw5FW_JiFNkO7xiVi75Gn82WgI.gauxm3lQUQec1ebtSpTiTgRyJn7IQ8UgfiqZW.Pd5_EWph0ysuFxViNQS1TVT238tUj9LPq1BmK18py9Kku_l4DYdcBGsejTgfivQR6KRBEPNdw.vzK8Zw.VV6H8KdUuCNJzPtthBVphOE4FPh1wYoplOMXYHfSoQF8fVtC7CK2NxcSD.5WeH0jitoBC_qbvLqdtfopSOq3srk0r_tYdsLTkR0wfePSlfb3csbJ3fORQjuXchl.HHxxIgyEYCwp9hksKGYy5hUzqSn9OEKldvbeJpI84_7ruW_xyGKv6iLJ6O8FQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f7ed076d53d64d';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\/2094715368?__cf_chl_rt_tk=iTzShuRzeclj70EfKoMK7wb59jLw9sqz_JuuDgoRVH8-1739146748-1.0.1.1-329dpD7mQtf3F0MfS3svrCZmxBuPMZLLFaVG9IsHEE8" + 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