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-832019393768.mit-edu.top/post/4925837106

  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-832019393768.mit-edu.top",cType: 'managed',cRay: '90fcdde33c47825c',cH: '4hbDzBo7Z9vEI7XieTD61HrypXw16ueNWhhTGQ8PT6c-1739198556-1.2.1.1-8i007U9dTi7EA9d8qVwtvuNcMC4Y_Asn88nG4k5qxJRphN3JM8gPPqS1wCBGdE77',cUPMDTk: "\/post\/4925837106?__cf_chl_tk=mFAKO5mJp0GCgLWIMmku8MLNeFttht28tE2ut2iIu1Y-1739198556-1.0.1.1-l5kELYrP06W0.rTEF8o8sZzY7TFCgQeLiu96coznJhI",cFPWv: 'g',cITimeS: '1739198556',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4925837106?__cf_chl_f_tk=mFAKO5mJp0GCgLWIMmku8MLNeFttht28tE2ut2iIu1Y-1739198556-1.0.1.1-l5kELYrP06W0.rTEF8o8sZzY7TFCgQeLiu96coznJhI",md: "GVtHjjcFzF0E6ggYsDFp_nXStBdEMSmFZtcibJIiLnI-1739198556-1.2.1.1-BpwLaZ1nSj8Dx_xxvfLSLklU8kksc4yYb96EtqqYtwD_uDQOwKyBUXCfg0P9GCv6pqK39gcwGKELxLcorWsudbmmtzQgGNIf7Dit_mTZy7grlzD41dTQfhM72so.kSd.RSyxR9w8ObWYbCehRcG6CgVBVCudw5XR48zW4a8MM2jktrMEvuK4_FNc6zki4tyZzltlusqS0gemPcBwiDGGJHmMJ3yZ71ZFa2y1WAO.kkkoCW6ab19bmziMDcQi4FO3cn29MxNg4apy6_NDB8IPzsW9nRV7oAl0FaIFWrZWmPgXKg3dj1XRkCybXa2lXxZDpDMMMty.plOOGCcIQruxs4Ypqp8YAqnJCILajzxdFHpdfcv1V0OLeMAR5m.reQm3jgNAdvpz3XfuIZyyWxrP9l7IZDpnzYtfkZjpt.tr04arU.BT3wkA5DIqtI7Wi5pHBFTO19hDauSo98brNJiuzCXz3rFNuV9EvCeotp3s48vyK5uuE0ix1AVD9Hs0d2gxjvEuo479WzAdUGB7ZVvpZ_j9d4r8Da85svvXaf0ND0w9Aw7NYHIC4m7GUlPZrLssoDSFjigk6lyKPP9AX6XkwzboIySNb55oyM0HM.r5vFhY15UszTvmNDyLxCDTqkgi31cqheuWY_nV5135CrSFHX9q0dvRsnt1MPt4_c1p0h3MWk1wJpxKSJzheRxztosASyfJBs8NXkLKyQA8wh1oYpzDHklcm2R2Kl0V2IiFRpYwM5JJGO6o3r5MvxTQ6cFK5O8t5bjFQrRFcm4RstRKTswh9fMttiRyyYBIwJesNnoLQQoG55u_3pkGnnbvhuBCdX2fGRhGm7G7yC7XmZy2Qw.Pqwd5TERrzzhiaxP0XfRT5gt0r3KKvw4cD9jW_v6XqkZ_7D4TbI63Dmn0J3N4rjhO6u7s1DKhRdsAc3oFOhWgDg96yFBbPH_P.eHeslq1HquK.3NxTniQsGv0qwxvL3QK7yT6FFoubOY6WR0zH6qX12u1BMlm4Z8uKswpJlZozYUlKYkG87YNMOcM7Ribf9OPx1lRgRX0jox7DnzLPxgNproEgL2rplcjTG_PooG.K2YH8es8xLIvgaETetAYUNvbmab2T01cf22uN8xI5NMyr5ThsJwrZyQSp_3j_mE7wGAfxveTlOeQAQDL2yx4FsGSlj4H4eS0d9w81ZQwazcag5mRW0X4CutW0WPWLpJo5.LBQVcdeCchrAGCuwqVch1Y3SWPACfDNY4W5oewFAKtIX1pSLDM41IJOcDNIKPxsyjLc8ffxgYNtX1jvBFGG12n3GAxJwzmyQbj7fJPYWDEhYPCZv1plFkQsMqHSEhRN3V0cw1GKMp_MvOGqOoV5I_weH.u2sF9zBjqH63cvHpUhAJdvba6TgN_07wSAPQoYx1Yko6TSfDpH9vFp71FkXTmOQaF8EF2VznY6H9GJs3wwafy3nzwLO5dy5P4VjIho1WigHNFlV.qDdPCnWyvc88umG198AcJb5EH19a9N684WJOPmentp4MfsRW0TZPIdlMTuQt_ILUls3zetHpvPL7yANh1nd3HSd9G82fR5UyXPl0Lk7wpSSsb.jT10Wxo2hNpt1pP5ALcDqWfyh6aeO7ilHJSVUpDfNlh70wy_0BfMjZCHEAUqDxWqW.6PLxHVq0qC8obqYbcRhkksTB_kAuRVgwNDzE_aKMvMOy_UGFrES5IUK8zR8JUMJcTGg.eiYHNCSd4ZpfzVUakIRsCPmlymjqv5_r45jTi.dol6obVPy1hgtEea2O9jKAiA8cGkTJInYVFpShw.uIp8_7lLbYJhRR6zrythzAQ47Y60J63GuOiU9S5hbIjbWRw91CoB4ewXj3KXGYm9d45gjudKQOCQOjGCfKGY.5oPdjSKO0iQhH0Nwpb33a3CGMvVCceqNHD6DjqsFd5DrOGrGQpNhYXTJQCb_lBYsxpp07LLvqnemslbF4vRe_GRz4HKEKzSRR8.0MS.wvQFDTBkkppOken8AHL8R1iROSDjDREmYR5SClgnRmuK09quilT4W6TE.MQGt9FtIwQ6e7OOwMtoYmMw6OBVpRbykD.d020YRv.6uUFy0ZgGeUSITjPepQUda90CT_MdB.j7uwWQhFnyw4PEXdKwynKiv5dPWO4sdWVYs.0f6uQCc0BNnbTocyQMcEA5_4aZ.7ndcUQwuOCJEib0UKPmLywK0ONtMB8Hb9E0TzXEp.hohiPWqFaFZ3g",mdrd: "JH7Vbl3BzfIR.gEuCZYjDKklCFiVYY30IgqJuYGd5Rc-1739198556-1.2.1.1-K6F.trFjp1i9VUPKJuun_0cAXAq6bBvXhvhoSCgG5gpdhoFFAYJpuYrgUf9lp5dgeZARK7ILlFAg7UaSUgGvmqWF1zTzxDu42mDnCv4oESYGFvrEUxfD9Wc5NaQgIygZw.sxbk9SC4mVmyi1BBbDfwx3fUDTQAexdYLb8VDAPHNJzLbZTlZl4LNzHOM_FLrvKF9iQhV6EhnxTRVFAFv_pFTiR1yIlMa5sqEwNUjnmOonMIVmxowCfjKivybXrlryKAsRCaXsN56i0AChEEsKoxOXmNaSI2Lv50Mx_MvDyydisgTLHyPJqmtCtHa5AVPV1hOivfA0mtgX6wC4Bv0RFhrFVWjiFaHK42VZwE.gj_CUm71pNZ.AABoPF8bjcpUhW1ed5XowC7RuMeITkYrg_KUeUyq2ehmXR2CemS2ljuEulrHwcFshnYp9Hh5cXPdfEEPDl3V5C4lSVRzRQWtRSMrI8p0vicS8Vfe7QmNMIqNW_frQYK_SWXtmstrEnQEtA6dQCfKKujisTxXb9IiiBcnqWuCe_yg0R6vckDDBCiRgRd0RYzu6s1iykQISuxEqtMqgL5_hTYVkBvKEOuh.cKUnR4PWGLVM0EeThb9WCr4QHUo3dmOTEGd96mUA_lThCE2iUNzvhztmQwRi49ZdmvcpL_YgVxwx115OxGhqwKQdxkYtyE4m6QCf.dt6SV6MHvzzI2ekHEvFueJ7DjDzXKNct2PrbK65jDbSzfnj5yg9c1XU2ze4gYtKSSTTJJE.iK8P4dyXhnGSNPF4VzHZHXUR_xdQwR1Bn_aAQG5Bez5DGZtzTykSwAJBtrgox4juKZjl8SIy8V_8BTOyOFPifXAKUbMD9BuZu0zj8qw_BaATzEVUH588cYUZ9ayhnbwvgsJZvZYnpHZKFhzjjYccp20im4kv76iXq_ALbDX7g0yP6UKcd39U1mYGbD1OBAHFiAW4hTLfQfmu7XsA_l6biql08v_cubb.AzrcNx8u1ZVCFaq8iqUGFxpA8mWu.LQMyvXVgA9uumQC_fJXL0tFZs6lqXtf6j9gEbuwbUwL9ZaRuEdNlkEVwjvwQ7U6x936CXAfIisfCdqCUu8uGQHCoizKEhZwFRoMjEi3Uin5qURmv7u.ipaT1TL1rMSfMx1vhXJQymrxCr3mwVjEW191gzDitG3cjO_xrEcmGBO0S6U6mxUZDiL3Y9YtKEtkAjOq_G8I26N70jS_z6Onru1riITJyH_Sb3RqmMzrxBiSiGo8jUaPNXvfHEuGsZ0Ukx6PZhNLjBs7ZrRxrVbdtsnr.140HDS4HJToVeFqqKfJ8D0KNsxuWIKngthls0_3WVnzMLXeZ2QJ1_bkOngLd14EyrVvo.LTDSJwRCSA8Y2TgKKiFfmeHEK.kvq8PrS7X7.TO816Qy1hr9xf97NIckuMwcCbytXCJ_CioDXnOOd2FKiwdSHrODMeXUI_BWHOPu8HRigni0xqO_os47sKZVi1djLkxhO009lQJqZvH.h5PmlYhdTiSNDohPZlGLNG9HXerP8klOeN7EnYd5m.hDvbZMmrCcebKkapTpxkGWWoOU0UGBq8tc0.MWhXj4Gw3e7fC2LdOZQIB5k2_8uGLf4rowhPi_WupEyowtIqmrHDTC2.Re7fN0cxaBU1nSoDmhEaO25yIdzMdHIMh74a1XSMwC2HkAUlCPIVu3VY9XspJ_8akSKpsLw9ADGfpUKMixJOkYW9cOR2Q9i0hW8b9kIJSjRPdgzKzE1BRncmWIE2n3s0dih6x7FLm7.YVxwPKs7ZWVWBmUknXWgnxoMNuTE1xfKmNdgQLKGgaGhp38S_ozo"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fcdde33c47825c';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\/4925837106?__cf_chl_rt_tk=mFAKO5mJp0GCgLWIMmku8MLNeFttht28tE2ut2iIu1Y-1739198556-1.0.1.1-l5kELYrP06W0.rTEF8o8sZzY7TFCgQeLiu96coznJhI" + 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