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-805509042752.mit-edu.top/post/1270539846

  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-805509042752.mit-edu.top",cType: 'managed',cRay: '90f36bd67e60d471',cH: '0QpKr8kVJwS_FoM4pIIG7ivq0vCUmaRnOs4xOfrvP8g-1739099513-1.2.1.1-kIYWWjHL5j_yYlZcDWFXlvjfq5lLbLqzieSqiROGXq2HQLCcHdCBG9pJzuj_Li5_',cUPMDTk: "\/post\/1270539846?__cf_chl_tk=sDKiRUPikO349JyvRV4y_ZnBBPY1bkfHuAjVokvKdqw-1739099513-1.0.1.1-iFqNoikOD1R..CYen2km6LGySNOWwAZwF68D5rWxszA",cFPWv: 'g',cITimeS: '1739099513',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1270539846?__cf_chl_f_tk=sDKiRUPikO349JyvRV4y_ZnBBPY1bkfHuAjVokvKdqw-1739099513-1.0.1.1-iFqNoikOD1R..CYen2km6LGySNOWwAZwF68D5rWxszA",md: "2LVCkm6oNA.rP1Al5Trij839UOzKRz_l3U.xuvIepEY-1739099513-1.2.1.1-xc_8ehg1GFVp4D2UaPOkeXn9635a9NyKhvtrZVEwpuiH2WVxkxmUxMmJEvyc_kKMKlOAtD3dpoJihsIhSugV7PMDvauLeSC1qYqaGLuNcxAy.Dp9VlCCeem7iyT3zclJFhGwiaV65K9ES1juTU_8fcEJrQIbBqqvjs_JAZFWe3IpOBjv2bNvPqouqYzNhy2lNL_7lXKhDAWsmCq1eymfhve1A0ziQJYoZyhfO5i8j.0AQ8XN1R_ZFHMugE437FSnRHJulf31vI9Ti10Ool166H9_PswmXfyfJiGX6t_tRfngjJ9Kz_DCo3r9lXinHpOvh7KugJEhGuNCVzndMancT1.gTtaZt5gdEvfulpggtxolMBh7gMWrwiLF9cTFPxb2SVhTbR81Np5X7q.2IEUYxtG886BFWB7sCTFCaXSHHRqbqIXIvW2Jwv3a.xaOyQ.0wz8jdAM1yyw4OnTDL3rprEi4tFwkG2twus.IwV2LbLe3FEniDhA8cqJr3v4FrtaI7xE05LSwpMrlYulz.lfU1rClBSiMK8MH89CFaS_sn4Kxs6bB1GLE3mRSMpZScuJVoeClQW0h_6ThVioDd80AVs0kg2rCxzxmKmLztZUgOlbaoYo3Zkl4On3CNtRrfg2nz_nDEBjAGv09O8EsFzSCt19q.WRTOXUZJ1ggZr2o620CqRy1W_4Jk4NzdT6hju4sD5poOC0hglmwjPUGzHIdI2.tdHTN5woSa4tXJXMnzbkiPDOTchMakidAEIGWdaJk703Eg7V2WX1T2u0.AUbBoteyLNA9Be2s.t2Krzc5.EBrVdaIfsEK2qRRWxYauzEF7rrNcmJHbsgmCG_pw.KutSeJ.CdsgMIagO6vbUdwxgLKW6U2Deir.Nh5G08Yngf1oks26RsxUCeIMdfXETj31DHqWL5.eP6ZoIU_AJrwR6BZuwy7dyOPxBJAgrWWlj3iDitaFKdIeiddKt9UHUZkmk9TsjTxRQ0cvI98tzAXSKJKrQ0SBlODff1zCMk.6usvzyuADrzldR1fmnBVd6qCoTNzMKLklAQrj3C1lDo42Yy7ubeMowYnGR43LRYxxPjPq8Rk.dHaRyx63q71oAexj71aa8EToX6oO7.knlhjlnGd_AQYEHLDDLJcBI_.mAe2RMXIZ74Vzdktzhfz8kEdlISPAWXvng3cpTLT9uIlwgL3AlY1Di5w25Im9Bh8MuwdTRWHKmMe8Rhy7crhK7ap3NeGHXLk3u6tW2mEi4KicT7QE82Ql7kDP6fp1nqw1H.DlW3Do09Ua1DdqQfwtG.h6Ysvp1dIYf2m.3AOIJXQOxWpd0p9RfHib6UL0c6daMBX7EMEXVMw9aNTjAHL07ABQyNb76.D9g3cJIOixxmtDlj0q_xxa3bpQjTgvhU4_tJtQTx_xXmU.NHQ8PNu8UyRrT0K5Vk4p5p0oacLPO8YhE1ydz.89XnQ_l78_F3zP0qYiz_utsRRNDfdeg61Wg8u7OPvFVpcLVtaaMJbNzwQFWXommuta_k9t.5nxvrlCEsy0_WiOswd2Dx.jhm80gC8mWmqtTY1_CcFp80kVMpBQyxEHHi2PTcWiz8BQEnF3cWu97m_yuLC77euQ6thgkS7.tix4s3PNZfaQmUiJ0y1cmb.A1lMKTwvek.p0xBylnu.B.PEwG.zPIWNsDx1H9aiieqSpcyRdUVfpKhAqbHDZK2youI6OjfNSlvkRx0kQNgTeq2mhMJv8sO4fVAyZqQYfMifzAQF.x1v122yB7qOwtS5DAlynNxRuU_udQCx4WVh4gJq_nPBrbvNo9zOhWoGHKv3lv2FIkqzjsxoC8Xcwa4KwTYx5jQH9lyqYIaHNc9eV1RSAf7M.18Z5JqEyzPug_k02X3W6qlNnvpqQer4KtSM2TacT..JBPmPB4nnZcw_IDecjUW6cCWC.NWmzf_5olPOC_pFFownoFC.MUmYtKyJYSOAPAI6NFl3kjHb815JG.mrRxSMepJgOEX1xDr7B6WA22QngnI5yTCjLdSP4mInBgMsCzXWuSoleOJ6EtqNJRLm47CMvbm0BvblTWBgydSyv5NAkcvcA4rxmpUkDIwWSAbw0Np9.hmIGCj.9zrlgky8JzKmMfrRYzqLi7H1p5e2bhw7Dcrthuy0IVj.Q32PhtPa.Oll0dwyGIHorNyrG0zFV8F7v0L.6A7t4AbkWj12Ma03BwqOegSNoJJoEg9Qh1ZWgSKAL2vgLa.6f2bW",mdrd: "g9nFulTUYs_IcMDmGQii.F8EXZC8bBgYuBzQS4yGjXs-1739099513-1.2.1.1-wmuJgKkbxbL3G4Ag4zBjdQCUJnRitqSAcQ6zHNBdES7QdRDFXuHK9VAxzGtXeaOidOOGg3xYY68oEsLiJDDSPqlk1DUyJdM5pcBYJq1GGdaq8dFh9F.tB55dkv7yo6lmjDxdh_pLrOqN40gUqoWDwAhtEZtwYPFwwb5JSguhnW6xWCs2v4Yy.tb_B7xZHjFwsMFL2xyfSlAYxfp5UjOUW4CfUlxMaBG45NNnRZYfU4usGVBKfdfKke0zhXZieGtT5cQGaPrDwSZnULhptjSMxAhQXRimyQOsEQWkuNOEqEveD3Wgh9WvH1dhjpZc_siH6ZnJrIDRHhLf55STa0xcnwmCsFqAzxxa1unFpy9JOacQnd7spIEgA_lPVDxKbu9ELRME90s62XdUJSp3VL9C4OHzh0xVhCxDWqTcxo3Uyz4BZLn3RfmQPi2LRyFiKek_SvY7REXT.7ZbmwJfoWsxUwBlOaCF5YGnq1t1bxE0PB7yZ66_7TwMB3CIQcII4e3IQimoKr.VUKgwWYFqQdL0OkJtrvqhnTa0wJW1Z4pKX_9i3_CzK2uc.mnlmaVRgd2vk6gxq78KaKcARKh7bSxtMV1LXyoMxZVneHctEmuAK48vxB2cY3mW1ZzcfMs2V3ek5cZo6zc_cywATRpTH6sWUpQQdZGI7v4Lv8.63_sYBA4Q5IBg4oXDgyTArQz7f0Q1hIpjR5lbById5lkQ8EfgXJcW7B5jECW_PC6JM3YUpEks02bG7BDJfWx8xM4cjZzRpcG7u8dAfGRD3vCE_CGKn4M4YBYEvvJyBeuFb.kn2r6Pv1tHpzutqPfa0Bq7S2mpjtejaNB_5tnFi8PNTeFosBkZOD8pjKrPEhtyCUGzgOo6tR3P6fP3VEdSAcLOVHhHZ1cmKOfQ0fCNkOuYw3j0_.HArKx3ge.pYTAmXqfqSfirv6xKoNmwc6JRro2LB8iUghq7qlYT24wouw_v1h3WfzyeODRUR5cC7ldaSkbvGtOR7_OLt_D17ik1ylNen2PeNL3omtZuvomO0mtZ8gF71YX73bDI3ncfnQnPmpkZu.euvjd9PDcaruyhkv2kbcd36ogfBowrJvtDhz8aCl9ADEuB.Vl09RToZspGsMK7229MllcMp5x921CvNRYw_wAzDuaMCnebgno_m4aBNVAA0JSgEYEf2Fv8boZpwOFsjDkZJcxPJTal2uMmmRlMBjMJKmovzd.v8g7cksxEo_1j8OLEQnGbVusxyFs.UNKQ84nwiZJe8J3KIBQEjDIvVjAuJpsnc31sc18Zv9kBS3c_wwjymztFb5WBW1fCB3YvZDEfHvQ15wrf.Zh8S04R.hyIxMZTKyz1si1UxUJUrmA3hgKEAQYKG65gcTyYyOSZKJ5t198Oa1lgQmDwkHICJYP0Vc_yjnpIZjJehkct9mT7FqWWcQ7f.rQMSNqgz.gRVBrYtBA27BNdYFDq8ECiZfFPmhfhkCd_AFSQ6RnF62OgmnwMKRURWXu_3r_UfBCk7ilfvg5f4e0aEvYZrhmlp.4tDSRgs6O.o18NjBEJ41sPbFaR1vN8C.Vp2qS7Zxjx2ABf7VG5uvgXtQ1cWYjP0CT56lVBxOzGZFLODMGuK982cPeaEfUbXqbqYl7xudhO5vOA2Ku99k1LiN8yCWWawu_GsuEeEWjkv5Xe.FRRhR3bH6Kssse__IlVSNjxIgTSp_vBAwFFJILr1HWOO9yiqljcpybWSRIaLFwcO6Ytqsj2rCLppplOZWAhXecwTS_.T0zM31N0XoK7uqacppnajJVVhiMYbvZwYvXRe9pnsq9JX5MmzZvIcgfO1GiNBMXUrrs"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f36bd67e60d471';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\/1270539846?__cf_chl_rt_tk=sDKiRUPikO349JyvRV4y_ZnBBPY1bkfHuAjVokvKdqw-1739099513-1.0.1.1-iFqNoikOD1R..CYen2km6LGySNOWwAZwF68D5rWxszA" + 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