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-affu5sae1.mit-edu.top/post/5403296817

  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-affu5sae1.mit-edu.top",cType: 'managed',cRay: '90f6212519c7d6a5',cH: 'U4jEYzPyawL7wa1vpVKrfN6LBTZ_buDvLqFmdWH44xM-1739127911-1.2.1.1-fv6f6JDJ2E04jFnqpVj4wLpDNPg1xJJZVOIjdp86Wau0m4zp0ri33.PaCLK7cXjd',cUPMDTk: "\/post\/5403296817?__cf_chl_tk=eIeaDIM.JvvcovwC8oIr.ZCfxHd0u5m3XBOA_oAI2Q0-1739127911-1.0.1.1-BeU9dcb5np5TUQX921GHp6vgBQOJ16LCPOkHcAPNWAU",cFPWv: 'g',cITimeS: '1739127911',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5403296817?__cf_chl_f_tk=eIeaDIM.JvvcovwC8oIr.ZCfxHd0u5m3XBOA_oAI2Q0-1739127911-1.0.1.1-BeU9dcb5np5TUQX921GHp6vgBQOJ16LCPOkHcAPNWAU",md: "jRHsSSvz7aHLH6x0fIo8F8tf5yTw8LVBz0um.S5Rzs0-1739127911-1.2.1.1-RUBWmrr_9E05R_xAZvL5ASHylRDnQL5z4c_SQSt5rmVqQGYW8qm0DJw.DBgXi7wgGTe04W.P9yD9E2U1YeE5QYMCB38TxmO7hTfNUhbvpZxXoV1F0VDiRzlp3l4yrX5.uTH2W9XVPY8kO_kuIgKLk1ZBpFCU6lBACz0bSvwg7ZtKFduKWT.6UVvbCOutuvDQvjFXQUMG61TYPMy9AmWzWwBj39ch0FRchaqjmStq.qeW0KQ0diWodobF1RaNmC9iOlf9ryq3pPB7W74Cb9ojO7iAofub5BoTisTaDZZUq3x0p4c_kgq.LGwRcd6OYopq9JqRPhXu4.9hCcAZL2KnfUoUVqFBx0LsjOKCoMXPD5fzGd9e6oJ2UMCzcpfFb9gt.UY2HFrBLu2BZHZe4rhn3.kTTBE7vbTxFBfibasa_wC71Nb5ssjPeUiY8Q8RsJGlMqr.k4WS7pvZnjumlTUPbYiIXkK9T.JiJDPp6K4Zp4WaZD9MROKBNXDrrP0gRL8C7S5bPYC55jdIYbekTSSNZ3C7BC_de36l6MkhZGO.ZNYhHCC_kGuwLV80akpZUJGn21DGSvGfSbbnAVOxWAQ3lclDPV3ExIU8eUQuArvC.FaeoopwKb2F4d9PB0yTfgfZVNZ73C_Rgfj61gMtAUE9fHiULa7blIQ3xVx20PuMYpbWmwqIA3Fo5NYIfpV.NmePK6oBhFk1mcws8KGu3SJucbJY8jjt8Mlt4vGp63E1mMDfKFxf_d74mwwORam1e1XLpYo39OUC6xTM4n1NL.9advKOKajr1.nsGEWq6lYmHr9wBovwehlno_GgcMlMYb4ViTjfTJUJZ3NSGugcr.FYvIZPNTD2v0BRDgx4ioTx0kcfdkiNFfgNbfV0BVcwfpBuU19rRFawEGVJVUD.gVKfR_A1iIUCuiiNgVUT5Vd73ehrEiCTRgdkZuI8c_Dt99NqRlcbLVsy0yUURN_FMZ_jwKx7N4Kkaz9I9b.y5ap6naqsHAe.nUiP_nPX84xpC7RvUaW4cm13Ab0T0vOhytbBXjYxx8qCdXNWoSbVwDORwRYX0DaLPaTLy_kpKjBoAW8M0bz46nSrjDDeNsvz.Iim78UHsfY0DNt21hiLpRSivffj3phft_Vg.jvpXjMYhq33JJWkfUQfmVeQ5_qZ7Ayxwaz3P7gqCPrKsdr3BjLCFgqKDqwdaGf0KiN6_JkhylZn40zIxpIqUFf05OI7dxHMR1LEpOg25JmXY2iGszeVMJYTwcndvbdNC.Eg7NDEeL4h7rZlEPSNWqmgxpn_FzBTw0oJQRH.zqTlONu99XNaDwFpsOT7quscEfkxf9sKyjTPhEK4QM4slMkPPpIDsF_YPiHbNCFYoybewVRa5QbmlAbA477FtNYW6u2awWbZ3qEyi2wKmDmONNm4Ij01x1XrdmoRsRvF0kLvJiNdD7zvskBimIoeCdNnXjGae5iYsSjOCuoaXPm881QUd4cha4varpCm06fFpRS0SiRgSV3pLoElNISVlUBlq3dQVT6GZkzVmf2_VFCd2HqF8Q16dLqRMmW5GZ6WaIO7LTv8_KrRuQIQGTceyCQ6CO8wlVWnDcTnJPnTirJ9g7hqAw2XQzxE9EicVJFR8ttwnrk2XiO4T2tUSq_eEvTnoagcQIjq.3bkvI88hqoclXjeTsPB6qd0UrTJxSZYXxjbEpLR8oXdQScTYWwC3vdRFZCPNfXvtsviXnaeAA3Mi.ljFbFslAGF.S89tULuoyPp_11hn.KuKYbIRrImLZbV4Gl.YfYH3TXjxX1h5B309HwnaeMLNIex9TeRHzsy0uYMFPAClEb3zUAkRS.q6UApATw.AuKOFPB5bD3L6WfuZnI8UvdG7aACkyGVC8khGE6T3rQWv7Ajl53qxSW9lva75fw0lD.MyIe0K9aNuzNNUWpssx3VYxRI1LsqZeGlHQGfKa9uHGlvD3Yn1fSmxoGckpFS8vBe7tiM8HNNAjtCs.CJFXiYY6bX6GS83Zh.GWxvat0z4FAhArP8S1aQw0oH26icHcGFGXqnXQ8Q2QEXwibvUgSMonhY.K2Mmp0ET2FbvF8jvKrMjQIx.Nvn4f7DH8BlpBN5A1H0nZhLld37e3JbqqLdfOHsiUB76FR_D6DCSOmcxn3LK43qVywWW_viO378AMWT09XZyXJYvbCLdI.k5xhPhbUSDe5Ap.PPEbinUglMB5SvedFh5HLcVPiJWiv86SxrBohV",mdrd: "oKJAAr8IHqpS4zZ7weFkijj2BgYHSwXWKd51qCOV1g8-1739127911-1.2.1.1-ZN3oNmYLBFboJQAwfSZrQep26yUAflX_53l1mmSgfnmXuqL4tHiLQSYDLTo_yOeI0luMXQ4aJyrCRhqxiXl.T4WRG6cV_Mldm.gScaskxUaFYs8YP64AszM_j3d79hCeuOLEyJoLjx6fIfe3_Uh3vAxHRNNHCK21oGPPC1BRniJUAuAdK1OA2KTyareXZhxsfxMQIszE39QLbVFRNVAi6XYeDhglrGQMzs.gaDulpuKhzaqlcTRoscnBtUQRbWuhFR1KYyTtyofvEbzSBBte2Szb_Npv4QkvfksiWSmHgxza7AZEV84oaaj.tLFVdgGh5Le3X.J5XFF85HuX_VFmMrDR7imDX09MGwQOpchzwxksS4hKFFWinv99zdwGYc3RjUJzut63xDLUaf9vr_LxE_qqYghU6.dPccquH3QVIyZD.Ce4ZnxMbjg8E4ZnwAzvGYJ1ohXWAYUZE3F4gmWaRbr1jphK1W4cPmXOSIvYCQtsyQ9Ykb0wzA2C1W1jXC07aRqbPRFSMsm1HWCCuPNHhSWa5u__1Lwcqb1pY77c_U2OWIP.3WiDYBFId.rGamMj4C14tCzV8IVSfhHi43X6LU4W2DPfo_MdHiP_RPO3qPMJR54Tv8I6uR4VKMHU.g.kU67m9FwEoxDj4KLAiD2L33KdQL5m6HDbpsDqkDlM2dmoW0hAEL5yfmGKZNY66b_2oV6Fp9TXqdFTdjoZk2Ffmy4l4Vrh7jt3Y..JAraqXpTktwBXRYCjlRNDvIkylib6Hw4eaEUwGnt5fUviyFwo5XuWCP_.0FKdsso657ZiyXy46Vf_a_IfrjlQEOt5oz444ntTMpq_8CIcSHO8c0cJORpLFGH9ffPxExJvf4nFWDUltflMutTtqYudiOlCR3zdysZHhurVz.Zc9OhRqM.pHTB3r_vzATZWME8Y5o1dEodJLzfz.ASyJVwrXEe8HQAPC37sTaW4OvQvKmUdk5SFZAxvTLQxpdbDs2oRrTn7NK1eIZkjQTsVz4_sUBDVkPlAdRAEzBMsGdd09lrgm9Uq20NsxwmTRnNEGKqa7TOpzI0CMzLD46x4DDp2ayv4riYGlKQUG1trYWItsjJpAEL8Ko6.t2974ib9pvLDf_FnYkx7YvdoLQehAA5ZMwsqsHRpjHJAXEcfJRaMAkY9vt2wAG4WqpcyxVk6NTovR868KBP9Jwe2VRW0AFMHa6nUXuMFbYxjMPHTx9GewyjxvDKTrvD3z08zGM38pWUBZTs9FWCQ3nRqZ8JSqPcsEG18pUvHo45bbL.Xzr.AKx_BO2OCMSRCjviRxGw88_PCC5.Zexk6P2btp_rGzxXEhUNNx1R.5OJ9nSpyvrOA4uhJekLbWpAtNgWQ8da9l3wR_cnf6g49tLAf2qCvlWzh9t7VMVCZSx_G40Aati.3XAuToqWB6HrGUHnhLsp5TioZhbiJGpaveFFH7Gv.j3CxTAw6AJSd52mZ3fIXKUfmpiRE2f5WVu6k2fUIeQx2c.KqmlFeAQZ8YFCBJMk0JiEJ0wcCEuitXH6bO1UOIbuCulUgco16Yq3Jwzm9g1cJv.2cWOuDwrlYORKgrjxOOXpce5zWTAlURzZjjyxzrmmDx5Hn4Nl4wmEtxxOhxY1jb9nRt9f0wtkmjs83rQ46Tb369I32XcdJBPqCIBleFiT2pgeOdBninF8Msip8jN92ApeJj7XJHs0IO20tIXZ.Eoea8PL2as6VzH5NkXBY7dG8DBmfli7r6DdTSp9iky6AAlKW5K2npM0DPENnox4EmAkdsulOt5AcOuqPPFMnSopGO7NYXOg4gA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f6212519c7d6a5';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\/5403296817?__cf_chl_rt_tk=eIeaDIM.JvvcovwC8oIr.ZCfxHd0u5m3XBOA_oAI2Q0-1739127911-1.0.1.1-BeU9dcb5np5TUQX921GHp6vgBQOJ16LCPOkHcAPNWAU" + 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