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-809883526941.mit-edu.top/post/4305692718

  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-809883526941.mit-edu.top",cType: 'managed',cRay: '90f829378b30c981',cH: '4FhLVDPmf5vhZcvjsD5Ox5Pm9XkoQjeIhHqODlsMSUY-1739149213-1.2.1.1-l5_QFfsysM800Zn2e82WNieyuAU5Pe6LDJGG6gskx6Qw0yZKHbpJEgA0E1UhDkhF',cUPMDTk: "\/post\/4305692718?__cf_chl_tk=_KxB7G37xTy3H30Z0usGs8Ua8zZjgDzyXG2SJAtIiHM-1739149213-1.0.1.1-kEryK4sYIm4BZfMJwiebr7WpjJkuMKrD6uIJoO1N9M0",cFPWv: 'g',cITimeS: '1739149213',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4305692718?__cf_chl_f_tk=_KxB7G37xTy3H30Z0usGs8Ua8zZjgDzyXG2SJAtIiHM-1739149213-1.0.1.1-kEryK4sYIm4BZfMJwiebr7WpjJkuMKrD6uIJoO1N9M0",md: "I7gmOFjE5MxuW2uPcsLGu.qCkuhNdSDxWI1jNzpaZZw-1739149213-1.2.1.1-81UC9gpSGTdDPxrnWlPLEivIhNnD7j5Qza1mtmoPkFJxCXUVm7G81AbLBhbq3qjNUJXioGvwgqxvHeZAueu4w6SlM71MQpXFfpzJDPxY2XNzOfRD0UQqa2EnjuCdi7OS9HPCX08Nj1OdtP9e8LAZVBHylX0zE2gTnRHOUCEB9TACRslxb9pKKff1mEfS8iLSjFZu5v8v1gLxNKPDP_9n8WdBUZKWjxIJw3RWS6NswPpoTLD.DycjNH_0V0mhVoVm2FV3wk_UxTWlH7AnrrxFirIxhfu9rxeHFH6QOVeFS7dBxydUFp.cKCAa3MTGjL8.8WQKAu4RiBm_vEgX8bf2SiEbBfrjES1UYwcHMBJJuS24QUuZjjRF1a.D17uDvoeEv8zA.BLTxaRQcCd2uLcI9wGILl83_AZOF8JvVy1aPa3eSz.AhXIBFVQCYlsu.3uAcssX9DXh9jDggBzh8HTXyyOKzvL5.LZswtf2PNldVndRHwY855kkK3hc0zJsdvJCvjBapsEKK5HnSqiZkdDqCORaP2KGkBR4amggN8ZPLFqA5eop6g3BogI8mxghmVqJmgU5DqYvLl7RDj1aEexHS8n9qp0c5GeLq09gsXnyDB7nC8FQKu8d3mSQRap4rFxNQBSyTiN8vsLV12bURolRNvQ59XP7Q7d4_5fIXIPeeqcoHO6GYOeVpk__zySexQfZbFfimfMCJKo3v57CiirWT9F9.lS9rzjpxm8nLYOg9.0DLoXWL66wKClg2BvwvG8Hh.qTakydTSRNgAWjmAS7uc9msbJBLH8YIHfYjerk5SREIVcLLUN6fiAfOEMmOYhXdgzIAhNABIVQI4n9AfBo20Dbf12o.9QmQGv2DGq927yvqKQhdnMFMxmnbADo9TEiTh3R3hm_NhZJJNI3fg7HVRr2BS84CJKStlQAcHZ9ZTVOJ93EA9BAm7r4IpDRaGVYlw6ZcFGB5.Cvo_H1c6TNe61YWPgaI1xzy1WI4WvJ8ltq86_C4mXpYsgh8ay_3yRF8VTw8m_LMEJ5.yOfdy14xkPd49T9Hr3porG7yxYhr4o5muOk8oOO2r9fwTYfazCcS0TouiLmjfJoaEJCGJbfe4vZulwGcM9o28E_._ZEAef3DgKVq8ow1vUbV4JnpdZMLkZpM.hOSizHkRjAeF9b17JJ8y55k.GWvodD1S8hQZ8PFrGqNn3m1RjrIogc63OcJPD9KRYaM7SO54bl5sMiGBHQtoS_xX4UdNOGBuuTA1KquLc.FKR0zvp1wa_o7IGtFg02rdJZ8WyRssCpzjom6cuNqHtzbjjNncf6j37VE25cPScE5w6bFhVgtJrUJxF8L0v6Q1jD1RwBHalRH1zWOiWlaXaKy0m1AlzaBi5OgN8DT5EtfhXn248YlfcawDOy4UvO1S4g6HdAhJjxiuCW3wCOslf.F15rbRxW0A_p1fEYAA5sHZP6uMqmFd8l_UuHmZMX3QxGXROvlOi9btpCU9JMDlYTSIxnv0j1G0NMGo9p8.V6uhRnIToSzdN68D8Zc.0rOV9bhvCgj5N51smXUr64JF598n1BP9rGfJSum8.dqfEjXauverLjwGNSFNwVCDNTYWJg8hG9jDLQREQfJz6fO29mc9tmD8WPmGA9E_hl72XlRJiOX8U3d8PC9Fva9nD8OHZUJRUst045QIyPGYrBZJJEqFCuLNVxZf8qrcU53TMrV4cuK0VFY6.M4s0TPLswRDbM2LCNMeYI8GWtAtWXCn2CANmw0EhK59_24iuAEWFIb5aMPDu.pJkFHNVU5DlVhKwded9c6y7ismS1v36CDxz7r14zcFr7lSH59nxhyBaUneKi.UuY_oO7RtZ7EzkpAs3QI4m5AqTh218zsBX38xw9jVcp33LTU3kE6MKU.CTojXMp63l523GTCxEfxxHK9odq8sFIF1H7RkKTMNlAnRi6N1kh2e9F.pd0zZtwhtN4tWf4coVXY17j1iL1EVPjhnotWBVzIr3IKB1SGxD2SJDMj_ySahUPt4l4HV8jCiFBS8TEvDodDmhefy_f7Mri5GVg_I85.gpczbnZaledxRJYIzYJHUWaRmxFGzLWtAt2uKM9OnIXOgpi9X2IBhuvQQUCtSOWIYx0rHnqGQ5PTcqn2WnHCzfaYVog78eco1514VsY7dlDJFfA4ygDnPida6ndvQfVxGtvYEsPGGHRMgprhlHMa2SovDLexgKoRh60NABmvtXjKPBq1u8p",mdrd: "vMxsKzrfkvks_TLsBse2XKrZHfYA2klVUA30xB4fLyI-1739149213-1.2.1.1-aN5Xwb4e6gVwdKzIVVFn.NiUa.z.GSryl0nfZXEtRZmhXritDykPGLd1cb5P3AolWD5YAtmQvJ2SHefrmPWH53CD3a3xDsjVp6ozTswiZbutZ8VhZk1_FAj0CRBQLnl1uPB3Xs0txQLnAtC_PRGMTViNEt8A.rVGlx68uANmqXBSAA4zDVLmbWed1eqnsubKt9H4WUmH_pRXM2RDlhuWPRCbOdhiJ_ulrvQuR9kBSpMJNYgRnpZujG3i7V3.iGyluOgYjNL81AkRvdQDMhyEX.L2XNiaWNmqBNV_9181pfB8tb1oUXNoKu1k0Se9x.z72dWxnJMJ3z91YbQpnnifz0C3tGcXfd1plVlfwFMs7T9RB2UltVPlBM6djzMkMVQv5uMehdjGEjTJJQ.3IB0VkJWb17nH9r_bbUr2zPVEk.p6.aGl9ch6JbTvEkFcfN.RMCGhsuJ0t.3dh6WYlwfNbKGN2WoK0CnoZvYmIzs4.SqWWmVDKuXp2pAly594Oi_xSn_dZuos51roFwjTTWNUmxo4R6gq8pyY8jqzKuxyIkP63.H_xXnqROB07i3WDqh9F1NBclUWqh0lwLlE3GPuiQonaolbw5E__yTvvivvuESgxEGmnNP3DY.7Do.hofrhUeyGiLKP1QG42o_S2.DlSEZ1MMnBwMesKfxXQ601_zVVuRyQWIBNLdYCxri1d1.uyzBQSNBZvvPt4E526WNRODUWF0WIsrZ19Y3Vht71XqDWj8kR6k7uUMNx8jwF3KbyHlgcy51Z9wnHnRkxVujIB1kzJ_9j9_bNi9VmGN7ZmSJDNGnHWUna1OSOYTE_MShyxIYmWtAeZOPk6o_gaeDhtz7l5eCA.pgyhG6sBJ0Vl.lGq.GCyZUJ22mnMi1BN3rzqYdBo1yU5QXLvTxdkcLj4FluFhD5M_Yo9ousuIkIXNox6g.5xFXCBoBXzyZYdnOwolFhzIq2_uwizNhs.BM36ha.UfFldYno2Ke8oX__wS_wamKJYC2sKOo5xrE4Tojy3IYjD6TEnDGUrQZgQjbTC1Mv2_iFE_eIx7mI0rgOh5wD9KeFaCbKdx_rBp4Al60sjpWZ9LfDTDaCw3V6iNzowq74KM9Y9.0O7S4TfSICMfu8bUhVnhm95UGNynJJLM26jvuu.s9IkYljP3pbmeMFZ0GaetjRcIjMKBFie80BztKVunc_l_RG6FCj.bJtjqhvb4mWEd4VXrkRT2piwkl86zjhhjXUxx5qzTQnnAGuKRqFL32vmgeYDX.Jftnihi.vbWVVw7Xsz5VPkYgxaPLJ077ZpvniCYNc8p1_xC8yt5NpRqfYAK1cOpQQpoouCaAxXQPeixSqx6OkrWKfrDQyyU1Hkz5fn822sF4MYqEVF.WecKQwmRUDI8M6Fy7ixBL5T6kSZMSjjGsxKR_6mquiRCFNP1VD_1WXR5W5v.kjGw2s3D62Xy9pLlbZzacq3Fdw7uOdFd1lMQbjDxve1.kE_ld949N6Vsaq6DAoWuOhRnZX5bVPYMlz3XQ0_F9GzjjN6krOxW.0ZlUEG3M7pIuarm0S9d.yiExObj1JHQBIRERySrqHFztjhRKvtHJ3w5tUZrBaGbyx2fQ18l1dlIzgpwGJ13j.c94RNMNeEg.X7gooHqTJ78XnPl0rdSjkW5B_8bA74xrrIUCwsxeXPkeljH0Ix4c8slpVRzmOyQPov3LCxFgq42CrLbWdPhFM.m0XmElgZPIxJyCZdOFS9YNM.1crjp.dVwR7bMteqt0h_eWq.EYoZVqsKUcSuzCsB7b7embdz1jNgA.H9FXU30yvWDzQiiHSzgOnfKCIK0vyQ9E"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f829378b30c981';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\/4305692718?__cf_chl_rt_tk=_KxB7G37xTy3H30Z0usGs8Ua8zZjgDzyXG2SJAtIiHM-1739149213-1.0.1.1-kEryK4sYIm4BZfMJwiebr7WpjJkuMKrD6uIJoO1N9M0" + 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