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-affroi9v4.mit-edu.top/post/2953671480

  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-affroi9v4.mit-edu.top",cType: 'managed',cRay: '910f6aeba8a40589',cH: '1tuupwCMO17BWICeMgGRHJu5I9jpFQIOQ_ogHpORMPI-1739393077-1.2.1.1-x1_iqYfhwqgLGI9cZjH.4KxhipVkNi7ZSLKD5BBf2rijxVBgnsGxkL3gd8hZWh_V',cUPMDTk: "\/post\/2953671480?__cf_chl_tk=WBTiwvS_e54b2QalYGJcJFxY.kdAlNr1ntV9yyGbM60-1739393077-1.0.1.1-G0P7JHuIAXiY6MjK.5TtilLiPZpxPk2hwAzbHE__KgA",cFPWv: 'b',cITimeS: '1739393077',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/2953671480?__cf_chl_f_tk=WBTiwvS_e54b2QalYGJcJFxY.kdAlNr1ntV9yyGbM60-1739393077-1.0.1.1-G0P7JHuIAXiY6MjK.5TtilLiPZpxPk2hwAzbHE__KgA",md: "cpwwDadPVX3d3claiG3gAGXKMB_4JsMslUxn7R2Cwmk-1739393077-1.2.1.1-uXRqt5eCc_0BHI0AWVm0Dqv651q18akUZBSoO2ExWZWYiGbCItntqhb9YY03lfOVexN.5iZAjVp7ZZKh_4cqt.E8bx.lrXXrXG0Q20gwkPvQMOJZ7aYKRO98_O_f0iRXsmGO3hea77tPMxzzi572oUsFmDG8FYcSBAS873gRrFW0pOKOTsuGk3WxC249D5KX2Zdi2hzmkD1jlnSodMPKG_Fz3Y7BXcn4sWEvXhuJfyraf.Huaf0KXXYUMzMTNIG9T.IZ6yIuMT6IunXqaMKA9Cy0TqJ36yilEimBxh_K3hhkSbMSSX6J8u629xBRzrx6ntjFijQbTr1gYrOlVE3khSbK_3xeUG7dPNba_wmcuflYdbWL1rPNcExvWqtgDLagYuEE5VFDPj5ktI2gsB_3f2uGU6VNP77wyh4uiaaVHolJWPrU_QPDbBfcaoeMI6XrNQNj8X0NsRuhko3nMqyoIzUVDH7yL6CSMqowpwaG1RwJ1QOwknsO.glXBp0Du_QGkIkGeTUaqbXc2rIkLhqEuQt1FxJpGjHk3k1Ez2wuWmivPt.5SkPzbI0mNPDlKacSUBnYFhfn2LAETPvzSoMLzvTy0kZwHB6rU8vZEUokDPf4a7CKEWvy17Ap.nH0Z2rPWUpnNt1NkLReenHWRKuauCVsnHjl0VXoDvHEUdDiEm_1VT.nrozXMhsaynQyoJiIbRB46sLoco4LRSE4WrfOWqHtV1.DZqBmTBQjSmnwc3pvY9Mcex0ZpdCwes6GtBY8soZG_TH3Xb6qaHFMtMHJc8xK3AL27Vd2E1YaWHSondUgF4yQq77ac2_..R_5eIO8BUyOZ8FgxQFqnmhcsoBm3RMsznphQQW14.ff92Wk4KfCTfjqi3c7ObFcF.vaLupNHOu5K4WF_hNGX6mu1fqRGy1jofvXVaWRPINEQz2z2po6btwtx0PoxzIFKNuP_zKvZVPYVtHggWQ.azL.kEQDIwomnWBefTZo.l6vIj2vY6O.ssYNrWSXKkgSOsqSIn60Oqb6uXNInUFsrnfwt9ASkJN3jE1Yoxnhl5IeTCz804ECxlfSst6YlA6GuhrUBifaQXrh6L927ypkjbSNbFsvPwhvqz71qtDII.7rcJHoT_vu3f6dtLsyQV85N_P73Eifq4YU4WscWJoxgTFrlI.8H9Ia22pu_mko9MXp_UpwUoZM43qGtWUbSf_Hhfbt4pVY9i0mGgUsQA7fGxLMLpmjRYMkYY5bDb16heloLRbqs52vPna4XsiGrmRDPdqcmuvjHHPFMYOeLhNsxiPtXIo3x3li6RdERPbiZk7y4bSjeyMbRMmZ.a_Y0UPUKr8qxDdKxKpCvArsipNXS2EOv5UUCs2E7Dlogrv2C92lpD3jb3uNOnwxAOxkgE1_osOuu6KF1Fuuyt1exSvLVjjJgCrxDS4ERqoAkI.ZJmaq8P5zAxk.TA.9LH4eKd8bf9QUKWVdQ30Eqm9I3Arp.jOVUtFWYirUxdb7Xl3hwctKrmFLoqZzFDCvsGd1v58MViUeTLZQGScv0jdwyC8JpmJ81Vf.KX2Fbs6gM4oRh4Hm3Y7m70q7dEDVCgPYlABMzUdbgWUPv4QvLiLlMqZ4QFdlHcECbeF.AvvDdz86nEm3m2n5UBX.dqsaCQXLz7vWUf5SART8ODw0Dzlsvkn1UT7tCdm.VnNKiFaQs0AGxexXFn8S4OePO8QjvS4FFzkGg9FutrwkQu1QYRHT_bVQiOlNSNmGyCMMVEeVYh2G0PJ5zmLZPl2xTln8k3frakQ44fGKVLFFhZnV6kBAIhstBTNyvkZwnbxCdTDodiPmrgZNRXCsSoQBaX_ZI4k6phk4h_hr2Wqch5.VrzjtZK_o1UADUuhgvx2lSs953hnqqeOFScGvYnlMsgogWbfnbzgqOreWBN7RUCvz3MEWUNFiGz.iuz4Z.El2pd9A4hAVi6K0DpBMrGa2E1keygTSaGTxzNev5YDfsLZKy1OpOI0_DDLJrruc9MUsoHeriw555zWH.HmhohJ0wOCgz2N7k3Y_837KYZqFY5R8H4tho5Nzmbs2Tg35Ja0nxsB8SWjQVd..Vy.FPESHeWGpbTVTsRw5D2s_vqdZx4HTsWnD.8gmmK1mIUSQh53NfC7DdLQxfop2ZryNHJKUEV8dGlYCPR20JZb5abcWbH9OXN6cvmvCEZ8kimOfofm6tn3ENNZK1_y94n9pDkDsMGHbrsdRjVfwgtjwNkM4",mdrd: "QvraU0TVVforrWd9NObmaCTcL1pXROVbtF7piNfiZ0c-1739393077-1.2.1.1-rqOyD_G5CTNgrJQGC.s4ubpVq88YJVW_LA2K_b3nouyfvLbBby4iDfYpiOA_7DcMGDpBhv199.fVjZaM9dSDxRiDP9vIDTzQJ_mtcfctgKehTuMXuDojRLnPLLoeeCpnir451bajHi85sBBMb2RNLsDYXru35WF8m5dAbStTDp7L2aqBlxKHGgkSlVOXiP7JQuWOHO4RZs6ch4R15FbTvktRjAhgJMAUFVa.YecXOYb0sftukhrM9b.Tl_Lao4ZLJWwG89XQM8EpTzzTqP5x.mkgUyTiAH8ZJaCipN3Q4JOTm46t_Rl83wfHKSED5L3IqDtcvwvwy74PTnGH9_iOmQpo9B_nyDdcG5pOQRBUiGsgZfS8WfXlCIB6cVQLmCLsuM0ViuMsZ_OxNUVJiOsq334UBT9TfFFzKeapLPoSkwEpUQeU.Ho0JA0Ih8RTO8lh9SdtA.HM2Zlu4JYp5qi7XRTin1tiatZHV5mWKCpJJNbiW3w_JqNNrfONcjlohAXNyN7QmdOC8eFbK9iEEzOHiEN7wMONGw7WXbx9E4u_eGaQEJGUUVNiaxON3bd0AZ6AvU.IU8isgI.mAnjjuVKqYuoft4jwx2RwhRUJ8ok0Jv7xV9BHDidoOKCzi5gJN_TlogYT0cBH6tXWN6RcUbC.lObYW5gwTSbeh5Khg.dXjWnamN9GJ.2WbAe1JHUrg2mZojHS6ONlXNITCUJGJ6js3DzQNyX22TdaqMcruqYMVdKESC7dVzjePRmh3HVwy1.ivsfCKJmLiJvWFs7EFYjEK8efAGTmbz27ahhU_iU0ZNqPMQ.fssijCr6xdofrCmbBmI.AhBYzq4FoVPGEhlHqpDLYjat4rC7tzz0Ffit6C.4SVCy19y4F4xVX2zW179ehj89J2h.LLaonBfT5Q1NaTr1j_.zInfOBTLByvU1cGe.I5dVJoQH20TYRaSx112QslvaG1sl2ii4tZKBGaFeGsW4wRz_RkG1VJ_VBw0q6DngY72hc9jQ4Ghl.NUMxLEfisisDbi_.n46jkzE01dE47qWFz7L2Fr1ARruEdzVTg2HLPcC4i6o1jxYHBPAQWYwWGdM2vVFasvBpdoLPpDhKOASoZrFD85vPBd.pz_YhW3wgephUbg3AoWS0AiIpr2lk5zHkjs9GoLXcq_XspxyL6Q2Y4tFiu.0w2Axt3sCOK2zUOOR2AAHFRC1CrY.h.vUKyaPyiLIVHpDWiiJzpgIpUMqdUiHzRjyJtO8Vpfk7C5VjCvXgD.Jq0psWn702USbEIjS6.vFolOPL3PUh5N7nkeQXARNcJpIWVXg5.BB7pGoV50rTgx3ezdzyzGIxAoSGmSSfqrJoMfi.0zfxqtZkVXZZEv7rsIyMOTNkO7UleIhCFYv17gqgO4wXyU94dKvWonTUA.fpo_s9fDQomXDT1Alqpu9V7DQ08UCfePqvenVOvtpynUZ9BeECq6fleRMH251qoeg.1paCzk6e2XT.1gbk.7gO_6FAICefeCrTnpHYd5Oiysii7V0.250iPFF4KA7eQQN1nPjOcNA6vRBPlu_CGg2j15Pd5SZuqsN2jCSZOpuG_i4fPzt6bgYt3PizPo9aMPikKh9CDo1uiGgMdLuwuXPCJ4aCoXvgbxILzoOST9Q.GcgB27tYmJ7KoD2sLSOIfDBGEcHGXTqn.e9eJVAarWfLDHtBxM8PaLxeKHR51ux3Z5jn4.1E2ki3L.6Ln36te8.9tZaahykvmsSK_yhASI1b19TrYao08U52qdqCu05Gq72mQbd2l.cNcQKLegNE.FHBxAaH1wYMj6L7wg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=910f6aeba8a40589';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\/2953671480?__cf_chl_rt_tk=WBTiwvS_e54b2QalYGJcJFxY.kdAlNr1ntV9yyGbM60-1739393077-1.0.1.1-G0P7JHuIAXiY6MjK.5TtilLiPZpxPk2hwAzbHE__KgA" + 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