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-712777472928.mit-edu.top/post/4930672851

  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-712777472928.mit-edu.top",cType: 'managed',cRay: '90faf53e2c4fc99d',cH: 'Gy0Yqz21xVkseNoN4PaIgBRmYWfjt7Qt8MkDNjYaXvM-1739178541-1.2.1.1-u6aMALx4mWk978nZICre_A8rwDqlvfRFLyLRxCu5d5rH67.5khEHS0bJwra8jn3O',cUPMDTk: "\/post\/4930672851?__cf_chl_tk=v32mRkk_OYMmwjL1gw9REXsFTN96vwi8zSM6J3s_098-1739178541-1.0.1.1-ugeDMFBWcT38xxqBkl_mNbln_pD92RJPNZ3FXpX7RYU",cFPWv: 'g',cITimeS: '1739178541',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4930672851?__cf_chl_f_tk=v32mRkk_OYMmwjL1gw9REXsFTN96vwi8zSM6J3s_098-1739178541-1.0.1.1-ugeDMFBWcT38xxqBkl_mNbln_pD92RJPNZ3FXpX7RYU",md: "GoUi.elfS_9YVdljK3Doya0WQGtY9YKD6XGAegHlHmc-1739178541-1.2.1.1-1tAayD.MM22GKvmqa.PK8HV.LV57lmtHm3PiLQgvWd7CWJr0SJUvT5oGuyhKZiECm0SZwTSTjOSw4wDIip._YvoY.dww2QKcrbXYmMtcuEzUeu0uOpF.9W.oCw1_oH4TyV_uaVEYsQuS2Eeleg6nj901cduRSAJ.GQKjJSw9R8QJ1B5zeTiOUwyeV0cOIdbYVt6pA5.15_MRZxfHNNQMeoOwOaf4YU0FaQJapqeTb5iNJILWgO5Jfh.51eaPa9pdjWRfFQ1rTnrRfTJCoDQ.3o.pmUHFs39AXxWK8A62X1TCMISzG3U4kmEP_.N5t1j7JEFjDkxWvyIpttYZkForcSRDj2xPWhHFCG7qqoXcVx1IkZYHO8ogE0W5b8ix3X98AfcWPtu8qKJBEM3hl_VAUd24CayLzVTVRsqBScIJuPQxEqFz_orhJ67Cvr6WKBId7LA29puc104veDMQ.l.rll5fQJFz_WmzGSqTUQx3uXVkW4sS8WJenS1CvcCLhWIFS3WS0VmD_MUpEu5JrT8PSoL6Xb62wcBkNfQMk3IfWnq7ixouJC54oy4CUkvL2zeJmopY34IsDFbXRbzxppOpI2aMyI_pbaSIgUmXcnvTicyEKDj02xinP15PFaywU_V6H_ENSfwpVw43cHL6eH0wdOyUj4FtNRxInhtEqQvdRatkRSYM0KlSEObIbeZAwRRZlFdpma5bmz6sOka462TMbED4lkIbmluDFQl6RE4H.X6IUv20U11smVRf72.Oz5vAizPtOBJKi.3M1EUn9e0v3t8KCvAskgInea._DrqY3yluPZLsJzmTqoNtm_6_hjuK3EWe.HVHiFgybTqsC_P54iStYjL3A9uVYuIuVyELxfjEXouOJL5MHBd46CE1YPUYZdKsOQyYDTxUBOkrZhneh0BaBdmrM7tjebXjxkmunGFA9JiRzzstMhG2dzB4DGKSB21S1LFkX7zUnZaW04cCWFk1G4X20DkBaJOVL_uugv5ZabLt.BzcHq1yAdULe7wMBYwPxBM5UVoM4914U2Hnw_aB9hJCrT9lBlT1YcZrOTjDo1WxEdhqI08s1op1MWmbcc5mOASAqEyuSlDcZFqdgb.SoRPY59TfYh20pZgHgOoFgIkyCeuASCKATxTCI8lo7Zl1noVhOKQcZ5kxa4pXzjfSwEKMsjlFoE.mkRP5o8I7G913.CEYoP4dbiUNzMyicFn0Hi0rPY4PD6AfIMINM8i0B_qBXgF0XiZmpN_Wbikf6EI6Q_XJyeQQJGwoMm9H41rFNAkxF5_dJWX7V.3uZDL3V8k4SC7yUW5uBt0Z3rMEH1W8TD6GwmasCWFe9qsn.1oDX31Rh5qiZrk54lO1aUulW8iBW437rgL3Bgkk4xFINshv6ReGlozboyvIfPzA9BjisdcnhohmnxeY5vjcnw7jMEmyBVlkyxEO3zgyLhRX1LotLXBiNEIaQktLfpdnmFNKYhAs28QT2ndcIzqbzZ.H4IPftr.VcFFGViA29lO_2J.aBGEGB8.WhoNRNCsclqPibQ5WaSlDNWUvy1eFYWMpidmrQW8okNJ14RH9bkMRo9_su2MqoZYDzmH0Di09xn989vAKwFetuiT7cz.8MZYLO0kJfe_4TWylLFPgx1ph0VIWmPQCH3s15A6yDFr0m1jh_T1R76p.jP7nNGLKWxb0ZKGazYimgm84m1KPo2qstK1WyzuG.lcsij98.CgJk9BEs_deapk96Yc9sUHNur79WU2ThIrWFnZi2tyAilrcFygDmk1ityZ0ilTz8giEizgY3duC8eA9C828tCOu0fah7gBp_I2munWSt0mTxEPT9pnKtQ3nNd9Bp0zmmwjOwrbAADw.2w9.cgJ3gJ_0k5LiVvtYgtBPDSPjW2lutia9su5XPx0LlY.T2tVhB.Y89y6gXtWDdfgZ1d90NumWwVJtrrmdM..FjNEyC620Q2db68MFvwyD.hJ.f.tJgy100xE458Y4DAkJ8ZIXppv86Jy5acj4HfbXaVaBLbq70d_GIN6qGVeLAW1HLH26vWSQ.7dRiH_iAp_j4byDZBSywNYIAJx7gwlFDA9Nb_Aw57JL0TVHIHDOJGlcakqHc8YO52xdNcRMuxau_DrPQ5PKVx0LJvjf8PngfPSkyeGm_MvF0tMA0G.Y1cilWHD8o96PnNOz5QONHogEdr2Fvh3861vZcCLoiPjgiYi88nxC5LkEOlRJ29cG6lYBpczy3Z4G",mdrd: "3fVRJnvo_M7jgQognPesz.ZG_PGplIv3S5xMmuNr2Cg-1739178541-1.2.1.1-gBZVgZnIuTNaPeUkfrtjlfnfwq8C.KCvB6f1w8Snh5ARq0vv.Q84bG_e4rTBrKHlcpql_r1zYpK0pwbiYfkz67RCCYROihzF1YI6KdocybhPiGDowv3Ih65V_Wkp7nDTSKGYvwh3UjUpbHzF8tBMfT6auA58PlnSKbVHwzTC2On4d_Vxf9JgjaZEYI_9HB.yO17wo1Y9r5uNJi7H1_fyw5WxHTuORALmAyGGp2qFzVteaAqxRVOUkglhYtlDb1cIl3w9gmC9SJZos8sVqJwXPKH2OSPSEXHqn8UueM5miLav1gC9L9y6Kdg._XjcwFFoEGMIXKKsU7fiq8SOhyI.kCzVPtnsSwNTrVIZBkiSMA8WsuApe4TivhA7pi8meZ81Yeu0.U3Hky9ZuNJrZNFgYbD8sD4m4A9djdf8qANoQuRsy_8RcT3TmarJscSp4sbamYaUYlAAEZxODI6ZDnZjXk1vl5Uw8kxsm6bvQL1i1VsVxMmK0eTGFLuuoO.7JJEdrqoYLoe.yjuTyIrCr.OYyCLLIv.mDRcBPbU4qOyYwob1Mv3e4Lt.Da4DPy5H_ZSl8WTnOOLzKcC1cZhNBIpZ2wZaMi8MpZRJHuO99N6rColjr6qSPpIMitW8X86JBdoRvBrMzFGgnckjvu6NUwAsgqCyQ3wQ4jA8nTFJ4XFw0hM3V6Gu6gfTkRyiIoxMNju_iHVdkhWdH4sE.VqMgr87PCOPz4nZIvSGGfMS27ugcdIJjFiuy.PGSiBDeIEVsF3FmwfJeb5um3ctZq1lU098Z5L7FTFRCJSpnanHYuEPZoDq78sk8ELitvl7wGmlGydQNFfY0wpzneDYDDGY70Mm.wTDqf64l_tdGaL7WRwlLhSCZItbgNV_Xpij2KS5OSb77x4aQ5JIIMFkVuKcX9VMQDTq8DlaBIym06pWEMAuwzszPmqOdlT7wm7VLxNIOpGz03V6jWcBL4P3m67g4gL__ab_RtYzVEMGgc6nRFGez_WWNm9tTDLDUuNRGgcUYd.V4_BQh0RbdVwyT7wIcceHg60SXeX5IUWWSWAIIz2g2B2XmjmMoehVwVNHjh7SEnKfefHWIw8K6K8medYhPOS9SZxfbrz.k6QXWFHChfuYkUhEBSEMq6gO4QkH40FNVhQKc9CW4eZPZq8XMqa6I_PRoDJj6NoDNVKOezDWYroqQlwTqIE1LMbMeeePtTmjyvgO8GASXqX7Muo9jGsh2VVB7.pCWEWQFh68lbUgIOcwGeg8PGe9wYahbRea0.JMLaDKuOuQU_kpX_jdjOrfmJGoE8L0HPLjUYkN7VUzxWRFb9A4hSH.IpMOZM6fo60oIgjms8SpEfD0dtfTfZMViZ1PFYgnYrg7N_l3BJmFXNpo8euPOGnR6Sevw07wCA3rzrUcZLQLROb0v.kBO76wfkQIfuIHJj466TylfzVWI4kPkB2ZtgTnXBLZLTDZCPyRGHZVf2e..SgNPjzhXM000ZfKnGCdHzzPAaGRRnA8UL4EIO_M8Gn1I_t6asDJJ4FP5RVqGqRqxtL8jt4i611Al1XallPMmT6BReDxhETPEEfk78j11WM0qq5to2ff92mWXg4FVHi5uUoM3j4_NlqmBHgj5Mkwth5WoUONCKqrDdwOZhwmO_NPaIWYD.IM3i3ZrsRcg3f_PEPAEDaWMGZlyvDVz7wfRo2UPfd1KYvDbQtMydYqW.ahqax5LG.SDHzcufyHIRKkFaZdK_9twY0t05hVTtLoW4FDpjoigIhdmEimbwMcCBEuOHC0sNgk3zC23LnGetsEZpBpDypP7pErGnLlAw"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90faf53e2c4fc99d';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\/4930672851?__cf_chl_rt_tk=v32mRkk_OYMmwjL1gw9REXsFTN96vwi8zSM6J3s_098-1739178541-1.0.1.1-ugeDMFBWcT38xxqBkl_mNbln_pD92RJPNZ3FXpX7RYU" + 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