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-390439447806.mit-edu.top/post/6302794158

  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-390439447806.mit-edu.top",cType: 'managed',cRay: '90f169e7398405fe',cH: 'Gvu0N2Hyrj_qxgLr2_h279nuPTgLrw.ss.NPFvLKBEE-1739078462-1.2.1.1-dD.vGkfnglDday8Xy3VVUi4hwA98hd00_5EvQpmb6kbe_g2n9J4eX6J1HRNlVipI',cUPMDTk: "\/post\/6302794158?__cf_chl_tk=779irIGeT.PK0E.dV.NiHB3rShaNK2fYJBJJuWGTwPo-1739078462-1.0.1.1-9wEglz8fCkKmU3SaDoBsqDgmKKxAtLQaXZPf05Vt9B0",cFPWv: 'g',cITimeS: '1739078462',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/6302794158?__cf_chl_f_tk=779irIGeT.PK0E.dV.NiHB3rShaNK2fYJBJJuWGTwPo-1739078462-1.0.1.1-9wEglz8fCkKmU3SaDoBsqDgmKKxAtLQaXZPf05Vt9B0",md: "XLeVu93K1RIlldkYJbW2lOOPoioBPH51.fo2fFJK.18-1739078462-1.2.1.1-tckZxX2V2kFsC2ZQesEbJpoIQolQb7j3eJwLHTQfn6WY0TuyM4.74uXsaVgo8omCg3TaYXG8iWvBxuhx2mDenQDM7r3g4j0NmIvLO_TMtf_IuQpzDBAvmetXDZ0Y0BBD3kxxUoRzWLTYafEaVqFa6YPfSxjIJKHs_sLeMWUSSnycDwLsvk6msFllkKAINnvTS_qJr7vA8a2HbnI9y5DL4TkVbUeXLpAL.fs5WNNADVWCDLgkTtN_8_3p4k4_VDeJZVdkoPZgqHxD_CUQWKcDTZ_OnRlnVdycIA7CxfVmaR4gvX9YWRXeM8pXT5WF2uSxWDwtwAp5_U6JWE8e3OXjfSp0hYAvVqDfA6.jFHJW2TDIrjL9T3uGdIpW0NCWRURWZH.yv5Iou5E8aFq6yeND4C_Ae6G7tftA2tup0TP5WygXFxFEv.Xhu5GeOibaL9Xkh5WQ2Nz5cpiE6LEeaiIQQIRRIXaEBtBfVBnkn0CgulnTcMRt1hkvtGUblOfEmPWwscvYIbgsxFx.g4Tkmav4BFKQUOtY0XWWfjqSwEAuTL_45Z3uOV0EjbEV06SU8o8o77uP6c9cUM7suhM6Z.7NAVRt8BekXoNl.zkCiTzbMvC.AssOBVY4uibKvcvCqJBq5t1zcNrLbg1A6qrpXe5KsZrX7PIsBJdvjMpRRPCL8UIznEhuQSd1D2nT4ve_ULgJ8aeBMDTP23YTS2uCQjvRH2Z0NJ14z5F.IS2sO4af6PNeihSUaZPsq711ZeZxKLUPHBqvYqSOg7tHXtWHi2YOkeTP1IszifB9QNsLzFOSA6TBfl_w7ziwifHQxtsysDacddUWZ3tKluGA18kfKpa0VYQRRDIAx63g4TnpxvAGqBDruvOsPGSt0p0ZTHZ_rlN_TgRl8IKFfb6bDHvrcK0Szne6fgjHn8wXvDsS9Iq2YVOw4enIPPWACtUjCcS3ZhHlmKO4AVLnfk2bfQ0O0sbzO9Vi9jFJ6SnPVHeAU8544VpZiUQHKh8lP8gYe4sV2bgrr.U1KBYFw7wHal8dzeoVaRSSXp3V00xWsMANs53SJKOgF27ZVX6y5B_WNxONABvfg3cRh4a6WPDRgE7JkKaNIRTQhJSYkHy7VL5IRBUn5hVcGQWO5OswgmlNfduXCNiQC9ko.50sWbO3IO3s4_LKmwawKWZtczqX2MI6pFrLHqgvC3Eb4oHNzKd1qvcR6EkFeTLsvp4DEe8Uq_u7gxAbP89714Xj919e3bIAGSIehwdLx6BxsALpGb4rek.145wwmXZmSq9oBZxPvyGiQfcawcCMxa4g_MMxpBRs10kDaym3yQsFLVxLQSpTnss6LXFHuxd3V8ApV3V.SkPl_iX5WB.0m_jlbixQ.4zMDQ0P1mBClK66NvScwz3pKXnDUs9oMwgPwEivj.cy.ieylz05nd21fkjkePdGPIln6QcK9Qk83cD.i4tphktO1QHMEj7No_6tplUBBXzcIgtYKHZOQvkneGpryWwxjzLNGzt4AMU7md8PFwcp794pv3qyJvX6qVRCtPVb5XY5aJepOnGl26b9nN6GLSacDntCUoy5tDh9wps.YnposT3pHBa2gHss4p_7ji89JVzIHwt0vUsIuPonUpO5S.XctWrxcxD_Jco2gOxPpCmGGESzAzzb9lkHW49wzHG_BARhqwtR.V9nGiO5WSlcAhT7RUlwilzcKCxf3PcoLXRnsBzdxvuwMC2a2DppKbA8xyXUsGIXHhc9Pg1JG3zrB9KN_LaOeElDRP4bFUxV4oxCogfXn2k6Wo0NMCE9Z0306m5sSL.ceWYEyAq2tVxAFNfa9.rRKOEgr9wScf4RA3P0wLGe5kNDs_s6yYSjeoANk0pQzgr2f1y1LrG_gdQ8nBAtSJJ8kagWe7oCX9mKpD0tn__op0FhaRoBlFSOCcjvOwlKZ38rAq9ElhW1g4tykxAUKPXC75N1RAdglKIL0T1Ka8xwbhyvebmKvMcDIXx7FngmOuyS6_ILzIA14cJ__XeXtZxWTaPVslH662DW0qiSBnex6Y3zV544CGO.9D6HHS7xhNnFh13_L8yvvU8b_i1n7hKDJAH9KhxIrbmFAcm8zr4yOCd0VSmNojUXsNQ2ysRAsPHmJqGgbrTJw8zTQWhwAaU_T8oNtCWktVPYVANiHfpf7AgkceHtldxXdxdUUjbKKVCe1MIBEPV2IjwsRnDlSHoydhiLS8MXDTJuDMA2epudRswFO7fj",mdrd: "H28jU7ErgkOrpkUdaqB7VQP_FoPG6c.Ih6_Uvi_e2Bc-1739078462-1.2.1.1-j32SwZm_b.DnQu9WqiiiaVgs75XD8m.tYMvGQP5hlw.ePU2GNUO3btXXFFUQggzvH2nzakt4eElMXyUKhHhsPJHWmbruroWujcXG5j7XvnSycDgIYcUA5l9_9EyZgLPHLTRZiPxA2q5Yvyt.XXkGm_VTwdGl.RmO3534YbZJLy2odoxLR3kx6LScZjXWjMKwjupqgQr0mP89Io2iigvqHqWZZWFxA3o3TJmQiFwZiMuyRbczF5wgcVpZAR.7JgwUxDzSHf2qArLE1rFpbLhZtqbrmInjuq7xYSRn.NyI.HXYL1l4IrsJzV8K7pOmmDwegS710vc_yQHvCTAiaebRLe.A4Yxkp7coqylZvlLoN5ioIwjSxRl5Yb35aFrqzY.eUygVmSUQYGNCWlr6WR0JRAp72FEoNaQ9sk1K3CjVSFXsqRlkop39KqVvA6ppDtQSY2amG0_dLaLarz7azrvl_YK4JFA7oo6.APmswRUr_LWINj4bTQAvbg9OpkHxmJHuL6RDb2O2NkWCRAq_Rj29nY62K79ZdYupE8EZdMC3WneBGa_ErY0AcbiM1MKJMaYmSfKpbkumSuxK8VDhdhsmKLTHyl0c5yRffV0QT76OHTIxPOK1eEuapOXuN_0rggWLnyz7BHm5uKySTMNxXtvQdVC7yrySEd1F6l6A1G2fi8B3A7na765XlxbwFN6Xkb5WmZc5El96FLzlc32noCC5D2s5_Rr_62w3oTdr0LXEqmCGUwR9ulvbrldYjr.aJ6WLDjCckZK_GUGpN80SSmTisaP33oLzYXa.403oNcB280SCY1TK1yIopSgJGrKSDAsV66Glsv1WFeGmkB9uDFB.nqh7esSYvkVBET4D_kSXpN8yoCZY34NNN9hwqmIh7v9H0LTocVaZK4YFbucvBbvaUBOaUcMy8ZJ0aW3g9oAYjMEhy3IxYZ2ZV7jFfF7Bz7C4kIxI7zVlCp1piC2oFSbyUFWdGb_e0.tacC4FbZIPuCQMQcIuz_v40ns53nFS.3b8P8aWcnUC8Tahbdm1AwCrr8bIDD3L8JJA7J9FMtahB5nQNn3dKxQq6CPEsUn0feYLdsV1.xkU0uQq2yFSxOeX.Q3V4vpDHH2XWk0X8UfTEWEX0WEQFR8HRb0TgvPwzLsFPQFbKWAiAyWwxf.IOmtioRirDYqr71PFdj7MmC3o0Vm7Wkv2YBJYw3axuA2aDVWFUqS36R5rgKPfAcLKfUSVsNwkC2Bn6KtofacclAEqXwOhICy6O1e2WGUw1RkiG9GNOQVVE0AAE.a59u0PdluS0g2cQW1hKTGwcftetQzSj41QxQHap01DHLu5gChJBTSIzrERbYpyVHtT9Fq3NhVsHsLqndsCIs._F2ad6aLVuI3QfKaRRAMbqUaMBqJAp1CuwiVxVxw8Ea0aVamBJ.Mdt5.6u113de7MbYCLLamjUUHrGqtYViAkZ7SJz5RZTHrEv1P5yzdYq7zpbrbCFBcWtVk0SXmed8daOUeVhP2XyHPXJy2OA0oDinopBZE3yiG8wOcbzwOrFP6DERXyZh0CUJsocaGR8AUpnRDqx1k1JnuzZKDmivdiX91fB_lZDO4zoLjof2Y1HSura3L4zhxWxY13sjagbFd22nanF42QXdulPfQ9p5OYhwtVo.LM.BOPDfZv9G6tZ5y38bvMWM4cTLWGuUviegvrXU9KKwYmtzQOdhRXIYZl9WJ9Y6i8EwJ_i30LW6Ji2F789QKczDk9mQB9qiNBWfF4dYo9_qA0uMPY5NIkAD2ZGqTAA9DR5RKnYSTK1KkPgmRq4JAqmKIu5fNzifVIlqEk.vSuS7u5qIY"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f169e7398405fe';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\/6302794158?__cf_chl_rt_tk=779irIGeT.PK0E.dV.NiHB3rShaNK2fYJBJJuWGTwPo-1739078462-1.0.1.1-9wEglz8fCkKmU3SaDoBsqDgmKKxAtLQaXZPf05Vt9B0" + 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