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-552111026173.mit-edu.top/post/7598016423

  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-552111026173.mit-edu.top",cType: 'managed',cRay: '90f3c91fed96582a',cH: 'RbDQrBWrmtWaHHt9oX9BVBMmHO9B82W5Lxr0g3HavoM-1739103334-1.2.1.1-koQmQ26bCZw2nmtVcsCcwbO7OFbn6z8Ymui5yvQnrASwDwr4LBbRi7PGmUhHpQAU',cUPMDTk: "\/post\/7598016423?__cf_chl_tk=52.TP82s6sHORNHWukSkz54tQm66ZWVjZ5uSVUbopR8-1739103334-1.0.1.1-GW7awU247KTNBMH8_3pItaxes85XqFl5m6cY6qxLa4o",cFPWv: 'g',cITimeS: '1739103334',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/7598016423?__cf_chl_f_tk=52.TP82s6sHORNHWukSkz54tQm66ZWVjZ5uSVUbopR8-1739103334-1.0.1.1-GW7awU247KTNBMH8_3pItaxes85XqFl5m6cY6qxLa4o",md: "_qPTmf1hd.Pd3Jxgmchph3.ySAUSdm1kOwF.3l9IyXI-1739103334-1.2.1.1-TmCoVV3SYw6fv55UA901obWlAeMcZDlU5rLNHAnv1fbBM9OaaVNm8Jd20VKM4Ss.GVteKLo.JPXDNg3hKWuhW9k3p7umapewpzWEp45JSL6PTY8B1kUnVxKfFXIz2t0x3rp2.gsGd2V1y7jof5799DYfcsj49eTk4eZ0YuMwViOliKwNozDlirv4kabh4oKHD3dk52DhHL00KdmZ.9IOZ1KdByLTuhQXCfg5wA.qpNvoodDV.5kCT7qTIWp1jNmwjc8bAlIpl5adRzEvQqbSrOJtxQkke2xexGVhHUuSMaTcRpjhg_Mxprs8fbz9uWq8eC1ZPR97dXE3kDfYao3Xau3gAWmV8nK8Uv55cLeFgSMHDKee9s93q1EVsWc8N6I3yybfNL37Wp99YNV.bPYlzj2WtSGgL3CQq3gQ9l6C2EMMOpzJ6SlvUcPjG65KHLO_rsd0FePty..ITNZPAESpy_vZzjbU1w0.8MIwpX.odPzGcfb_D_le9Xh65gabwVoX5Vtz.H8MFHnMwX5NRLFF7FPfMFVPyvaXDYulCCt21hc3Y.192nv8lZzWcIixrnLu1K96xqOhR4p9bs1g1kS4Hyh7y_IGrcNnBt2I1elyRdk2WYeBHqqVtsKsyIMZe7dOQDwOX7qDOVgUD_amEExmcHlNQxWFJy6KhKA9NU3EnAansug.Wz6RaLQ1z.1LO79NXmdF8SYk1F3gWVKOn9_pj6VcRxGVwXaicdJafcXa5FIcFXKhvMGKHkOIvJlVVJLpaKLrXI_WMosMYHTpNO9PUORUS3H5kjxowu70yeg270_lbAFs0U7o0Rn.rpyAAWloDmZ037Ig0ofbRICp97G6Ck8vV8ZnihtTRUUOIePPy0rO0nhEm1bI2D9RTOSfasPp7ZKE68CWXakfdUIH8lPchunwZIbKvbztzggt3pi5kLL6U_.LFXfZbARfCT1jZQmCoWWv_wHTZ33uNmQBf5gARH2naqJaAREoYyLRbDwbe6G3f1QFVypcC6U8uHulqWgl.vNSm_CJNNUcOtL64dJOZ1IqaLDPgPQc24JtCovorPslDSDE.dUlzNafVGAYIsPytzpQVV7Avaa9_5UIlzd3CXTjBG4LIdq4V9BJOZx6tDdKRxBBSjP6T9m1D3dYVgbHaLpL_HGN3HX1RC8xnGNvNVl0Onq.X36KxYLxamQk_tkNax5WwfhlyGnacQ9UcRPOnquj09vi0iSLnitI7.WuvKZ8uMhoUJQV.Usubwmht2LU_MiUi0pJdpBMwwexEgjHdX2CzvvF6xZfWJgSEIjtkAKD0zluPErBCkqM7Tnsc9Gkt_iBGQXrGmr9T2zfHNpO6E67df8CpI5TMOMbBWTPbuegmmG_CkKxbul3cJeKbYu9jDJ9YiP8oHkw1i5.xRHUy4gs.0CflQuvPDtHo7z2joMouuGdDE4RaBlCTaUU1CY8FtKtpmIGjxdJSEEq31yDEk9YI8aLWKizdhDR0KCEkasmmdunVF7YKE9ZIr14_Y4xglasBYofPIUbPK44oEQC1HMHxwY9W31vUGdgrOV8J_hasdXDqdeo8I1qEPMqe.kYZSNF04RsEUgzefGDEVCij8Js_o9SJ2uveCBp7VB2mvnDik7KLC1oE.B6kd6w1Kv3ilgRLVc98FVLFYvaZH0KUhU7gITYpkrK1nh_9Nk1.kdbIAxAcMbEiDQAXxrYUMqQYDVfCDoPiAyaynTERj27VfONQePmDNsD7vaRjQYE2ECquOxMKp0dBfHDSdhtBnJsN85TOOmWqQBl4U5LZmv_L9Ai32kDH95GMlv33tDQu2RhIiw2Xr8_FlwB2ucwDVgCpridA5oM3xH_eZD6BOzcz38nASzqaU2.J2tS835M9QljL.Xjza3cR4Roh7UW4cGLJr7TlrRJLI04jY2lk_VjB8_hZhoFiYx00e.1HJeW3qkcuNGI5RxO7EBzsUTD_vOg6Y7vq80X64Wm2DwqOmV8Bh1ATgkZsM5T6lls8Z7cA.lcJ3xeH.qlh6JKw.aBMG2U97LDuKGrUeldgbI1yNc5Qn8yYxm8e4FSF1Xvf0XQLJtgRchIXkSkrZr_8t1FnHcclujv5uNd60VNVWWrN5Nd1ipRC4bzdAF3Tixzr4IziG_pnMHcW4.vnAXMljBT0ewyq.nSmqLnEH02Q_RpaD2e84lQbpa6jvNAorwCPSdDIx32VWgk0vOzt0wDeIzG_aaLggRE8S_tOxXIjm7Kir.x",mdrd: "deWBmz248jF3UfkuUwd1ARzmFmkOeo2BJ9wA2BhtCTM-1739103334-1.2.1.1-q5hKPoLp2dMKwZSZtrp3FdXsJeseusozBCham_CBUNm1n8BszFsv7b1zorlTZD8BwTc41yCtOLhuEQUpoSpm8XZg8.0P2fJjzXeHOKZc8uCt6nMqtDFqdpRTgjcvhBaQOJzcnK3qcUEWB0QvqgeDvlK05.ZjVo2HytwcVnJCL3Vqy41wMLvLy1bpwVf49gtNVHLjOl245Qwbj.3ZwjKVnhAfRo5SM8tY2Ykmc1UWzMEiSH4sjLk2_1wbMaHG4CWUZ8_n1xD1K4_9oCOXazFmRjeMDyB0zSnDdFvlhxjkX8K9Gry8VaupML_5dl26JhmxnWm0lHbNI5OfsQHuZtd0EmFgKrguNZS7CeH80_gvR8ziXA9QLOu62bo1zBL6Pr1Ft7NCJn.B9DauQk7vNxrZJ.8qOTMhyLn.NsrxwIFeKbceMxTH8utGr076hR65HWrYoOQK4mznaSP.f6UKufHmhdzsAG_wyLEjemMes3aDEj41Oap1iK0uGsureUeDlgzXdaZOZ1q0UqhZciaVgCiD2b.iuSkzGdL2wfaOLIoZ0Bt008EnRz9LYP5WFedfkMWEgYfMmzDZjecm1v6kOFRtX8LC4X0VhHn0BnuBC_tmBWaVch.vF5AZfI2RHxeQitle5cLbcmFah_z7QKBp0udjAMDSB3.JBfGG_I30qWCL.oJX5_ND8ROA87Q81Vy5fEsHPKisA8gvmtR0ZA0VYcv9v0D38Wzhx5RALHvvDy.Aht4eOumjz6Qxd_se9rivWqrSWj026AREJKlT_XTeShczfXMMZH2gDzvZYk6iLInLlF7esN1qyEK_U3tG5dz.XRkUOhtnmYAffCbwLC1FYiavDIPnV9aJktp7OyTWKoWLNmpVUoUTkQhJEZ4l8JiUFnz_ZK0OlLHwwXymNONsyXoLoaA1k4l.PUSC0ivPQuClACWfFi0Ln_fJ.f7Ua.yn_opys0R2.LBnX6nDSDSYMpxyuxVvJuMuHFOjVgPr7ux_EuiZQ5ToUQmeJemAfNwXz8nZKXi_dBT1VwbJlUJGjZwfsbzbkxg3o2QZd_WAI_Xs8PZ7vKmUflCy57HnLnYgYy_WYLk8NVoFObmGGHu5tG_ILt17HKX26RkBcNS2IafBvFfjgvBXWLHcNS46GBNGKlIr.m2pREQMeXjIvj29jkkj5KBVN154utQIhb0mkRYMekJ5jmXJXIOoRzojHXV_VFAjcXyAjhC64jowPaFDHwimRssEc4FD7cMMDg7tDvoj11bfKmY0.xEersegNB1TZ3yH7f.AC10Q17g_SKVfhxtVXUZ8nPVDxHF3mM_DV.PRIuavKkIhXnHA5EHsSXb41FK_xRtyVsQGX4_7Kc_oNMsPCH6pCds0lVJof1bOSSVB1I4bg3pyeL9RLhd1p.wMU52qvC9VCuNU28Puljs3iDe1JVcaxc4VHBYIYslWHBeXLJL_bws_2pxZ1vscbfS7LEFeEXD8fILNiJAuCJrVYO9iPEAD1dMaq_z9xAFSgsuc7QzYJzOF2Sy7AVS4_ZN9nk2DofWq3jKu2HCbJd3XaoVGORRcKlAlSbjsJFrhWrqi.NA1GwMg1gioxP7XlccCjmu2R0QBz6cnCEcBI9Bd2_Vd9.EjalNJw3G3mN1frgL8UHDw9MaC7gH0NUecLKm8DDkW_JEEdxnF0SHai1uq9nm7ufuD9PaTT3rV4lWG0UZNNDY5iED0MLLfXUYBBNrIFk2Q6.MVPgFguk5D3MNkprnmvMu1dO2m9LmCO1b9fJkMQrLGnfmPAz0rP.nX5qiceLRWpfxWAOOkq0jpREktPsBjOxnA8IpEgvq6r5uPa8jeazA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f3c91fed96582a';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\/7598016423?__cf_chl_rt_tk=52.TP82s6sHORNHWukSkz54tQm66ZWVjZ5uSVUbopR8-1739103334-1.0.1.1-GW7awU247KTNBMH8_3pItaxes85XqFl5m6cY6qxLa4o" + 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