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://449265.mit-edu.top/post/8049372516

  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: "449265.mit-edu.top",cType: 'managed',cRay: '90f65cd05876884c',cH: '_Q5om9eAkNa3ojXjRWfSpwTCo6Hkxj57eCrD1wwWPGk-1739130355-1.2.1.1-srCx5uJp0_k1yGB.BCkUnUCLqFp3t8oq8BF9d4kXghgp7TxFgt0p7K99mRhbpLjR',cUPMDTk: "\/post\/8049372516?__cf_chl_tk=RSXUvEgFgUCTMSVk6w5k_2d2vyDXbd7KEX.acEBN7mg-1739130355-1.0.1.1-qmZpPuR6nKuMWmZQJak0YxmNr_2aMXwWwe0lzMHeqVA",cFPWv: 'g',cITimeS: '1739130355',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/8049372516?__cf_chl_f_tk=RSXUvEgFgUCTMSVk6w5k_2d2vyDXbd7KEX.acEBN7mg-1739130355-1.0.1.1-qmZpPuR6nKuMWmZQJak0YxmNr_2aMXwWwe0lzMHeqVA",md: "N5aWY5iTLngDQvagURkNw.PAFVZtTERAab1MazDrvPQ-1739130355-1.2.1.1-fn29VRg99r6Bep4yPmpIBZ4rn9SUlz6cAYUbGe0lmnxFpTjJN57dXy69Yca3lQxEithA1eQl_SQqlZ9iTAPVtBcJ034ai4MXIH8vcZ.ItMBaAwWFh6ZHaI8.NPhFsva0jNUrYMz32kh08dQ06AD4rGieIedlCk5f8upeq5TYku3kI_SSfG4HDacPJO2gKBB33gRNMEllJtwgKycurxWRTqvJVwlHaom7sMxl_R7gpTw7b5Tab0URFc7c.yxdnAXeWC5Piq.3XCMdhzcfLPV8OVhLGJT86rXOWkS3y3aYZERmqGohTK8d8RCQOAhuicGXR8L4LiUbK.W9UBR8lOdbKQPNwcXa7Rr8GFvm43KybIZlektNBoJN_wZSQx6sE_r36Y4AQ51QBmEMziiImjYXkC1SMGjVaIrXGOf2qa0A6qj2bdJD_zE.JhRi9H8v5EtZoFFwxhabXxSQjCjd.ivQP7I.wIOBi4kGWVhfOlnvpV96o5hL.MIlGzhaIToNt9xgh7rDY8JFI8PP6jg8RAcSLoepX8eVTaOuMQMzVc7HZUOXjBVk3_Wj9qjLbW6Eckyy1BcRCHQSfeeYXVPFI9ilfVfDTaLtc2W6hb8ycT6thySbM5Q3L3GjUnNXSANDoI8_EnADrXgxbX8px3K7n9im1uiQ6FqNm2vo9YTN5R28WZ393.u59N4uNky_eWqoUGWm482QqzdlCRVHJuC7Wcrw3fxpBYZxhdqFQ04me.SvNzEUFJ5RdTTwGWEogtBE_6qsKcjoomXfpqXQHVU_H4tLkgcLcu6WTZ.0U2mEAOCwzk1zTBWmB1WVUi2cQB__lSeeEh6xlSSNFte2Z3ywaAR5lN7nTp5Px6lBm1ka3LtUcGsk5vD86OHVqfzKyHR2Grk5D6igSV0MfXVYk3m8rShwZVAO3KkAA6OOFy6JFEVjnNCNLfcXyZnY8SUMD3g7nOMT_Nr1H0ZRPJkHxT8l3tvOgYianU6o0ebZpwlYBsIouCMFuE9YNaK378KCGcaVK3kqaN4DOP3efEKtRXh5wxcyjGSOE6A4TtL9RhVpjkPHN25hSKew_XJ40P0K_KxGwRNNxXLdvTZEhrj_T5e_uCMHwkD._qhVAjJ69iifPzvJ.qP.uox1wi3XBzp_ZfOz8VYFjEJTY_KOz0DxnTRIB5jL81HY8mNxUSlbQuBqsOhVe.3TzZ_PxwEvSoNTiw3Z9GPeniI6bUfbspjEeczIlkexxmkpwE74znk41qc7smQ5ET_YtC8VjuCBmUtTznQ1O_y2SGtvvOulv0Z7CTw1xNKgQKNAjZIPznttgn7_TtwUEQD_AFk8wZDZn.Sfo1rmxw0R_ox.3c8HwkeYHJtxsotOpDfeaCYpqlFjdwkQjRa7mMHPXGWOPlaO7pkCOYAWx2wbnPEKOVRy2_RiNsQKXzDFBNu9qsyMLuPMDODcq40is5G10yk8zjKOTLD3enUbnMxZtGEXMe7S8GmH3qT_GWtF2f.x8TA1H5zVgeAC.3NduXS0K6GIccDs1DGr0gquI1HEXSIIQ9X2Qhtr9A46hzpsooXOTQg95ZcsD94ADYRH7mTYMzxeMON1gawQb6GYrL3KaUnEC7rcId_EoFUxHUlPb0cASIY3uAgsq88ydgm6eWahv4SgIsRjFsYR8_eWLFIiXVeQwANBT6f1M4FonxtSHDTJj1SQFSOEwfj_Acfwqyv.rx.HTW.J14g5SWPYxF9QCBF7ReLgbDposrY6vrvBKpLbQwEggyEty6pFtsPVCGC1AjwYTtoxjC7eBd.utJ5xt5opbrOVB5DyEjSuzb3Lz5MZc6CpikRyuGxP_X5u7UkKjOGlF3qOSVrMcWzs6bfxl3d8y67h6w5LRTqJ2N8lm1dhJgR5FeTfgBJr5zC3uozoBLoDYLGr2fjxtTiD1ZOCy9pqCLSMeh941Odn8t1oqJEPzvtpz4E1sqtc66h.9Le.74GhON74fjCuaRJBM5OMMU7MokI1BYhRfUN9pcK2YRKMkTIJeA2C2hadl77tF42QiG23Sqo3l30uTiPHSYYDzqcLR.x2xoWOnmhNFmeR97hUk3M64BBvWbWTlHtSydeteCjuZagM5APEcK99yrlyL.7BP7IsHhrMAJp2hevpzZzBg8nbPGFjrgj8R2anecMR7ZYyeHeax8K94jPUw1XLKC.W5sByfcXJ7NdNtEQDw9u3.Ezs2okR0ihBN18HO38",mdrd: "tb9WYoGijvvoychqSR9_TA1eFgv3TKxcsMZ1FZt9hgI-1739130355-1.2.1.1-lmlyN6zc5.2uPcvF9AEk5EaefXMjSNbD0Z3bEjPmUtH3XBm2HXNupPI5zZRkkeC0ZUunF1FiF09kSnRl..d4aKdNm1l0WbmeSKZjeyy6HbnRHTcs12QBM22YMfjCp_0LRfw31wNJjeycnFpps7uCRBNVofUFw0vLHQjuS8fVlKrNhwV1Kc_aNRO_jJBkZxO6JPCm19F1cmmmH_bF7FZ7U95QPtDfDfdX04XKlxbsKyngh6qBrhd4ZHbKEfruF3T79OjU6RXPr4drZpyTkp.dDZfNTGJ92oXG3D50VQvJmhkMB0V3OYzyQTrPbJN4eLmogIdfYuP0F3H54SYsOrnOQ8Ug2p9xBnu83KJRssSAAkEMpKx2JgdwoYKlLDYuv99uwwoNuj49aXx1cAyPEzIBBLA.fwTLWdwGMK9qCSuHfCuNdQwmcbWfJpNxfjLS88DmfHPl34vl919NYTN6XYtcMurOlVw7FM2465f8CIjOfo9J0RqGNCna8WkKJ33LyZnhLHgvJExoawtIt9s5YJvkfKm7Rwo1vtocowDOmK.QswTTZBig0._Us60a2dVeP1A88mZPQboZSorlxsE5Cza17xv2OU8zRcuOMVRDp1SusblmPAoeL4DqOBkWJWG9hShrONucNZUQx9VrKDUMsXI9fyRCRGSyZgRKjk.sAyGsKS8LmbnxWRoJGF9Ds02o6FR3.SJ_GYXvZAYEEb0_vgHsdKDPwMRKSkdPpvj2rx7X8hJAXx3Z9nFznk40KAnmtSNtugqgaww48TiEcL77v4wRvBmEHb3nT8A.QtK4H6qz6zcJv9CxsBz__NtDTlJ_2mk0Dq14GHvqnzjfnFKc0GdRQ0WTXSOiXd16_xndZW5YQXnYXvwlR1TvFX.EZ6A0UYKn7XGhlUwBVQABDYUplmqjhQ9Qfnt6a8_OJBICHP3.o1R74h1IFShDDWnWvGD9CEnaW_R3ETXVqPf51Ll2GvArjhLzv_UEUN4bJRmMpHRlPK0oLjfZI9mHYoahxBZlz9wR389GxG0SU1luC2ODKfuoLEkEZYpsa6lx0cM9fg4bFyMAQMLUSEPV0ZBZ7jSB52avKtT4f0rH5ntELSLwR_Igp2vuON1U1gfM7TyU9xI8KnbQ5o6336PEW_jTPRlgyqlKhVbmgIBIeMW.oSQfu8a5KEQydEG63Dk34Ost94RM721GZv7FbZ3vs79qvyUJgF2I32Fg4jeEHjpMiw14ropdwitFUD9HOvRx26elAAZ4vuwxsEcwIidMYgbfs_8nGmgFRC_xhu5p6.uAH4oxlEqU5kbS61apj.HOB.34iAGaNQVQFKNXngRx3fcwth8K9HWZFG7z1vAKH1rGeploPLHe0TAjEPJ3hV57v3v.T1iPAt.iYXtK1qxV_ANDhZlsFNAUKFZnnVycGQNk9nsJL1Qfudm7GXdn1oNFFCPEtsIe.giIh38gxAh8P7VXA2prLSqEzp5Olpv2eQJYnGEAR9MP4lFZyFsx.Ls6t4_aHw8Ghf7wG2m6XrLSqohF9l5heG89_ipI1oFRvwZB0OHvERxu3mZzU9Tuwx24iqYj57KHWOoeWcBOpSX_GHXyHcunCXipemVjuaM6xJxmO.j1K_IL7_jDdcxEyI7911_99zMk0l.DClM8EHGqAiFai7Ghc.TJ_z0s5Ns1rhkCugHoj4GCvJO9vq1MQ_GrNB99mRGXqxxAmakCbTTIjvUNnZzrhVb0j5Rh.SNBZBxYAzOOHIfuiB7rsrPcJuJmRKvjPqsHwF3Ltxn9Y2.9tZMoJS1L5a6dBh8WSxHNCoBP7MSV05ut_Q"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f65cd05876884c';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\/8049372516?__cf_chl_rt_tk=RSXUvEgFgUCTMSVk6w5k_2d2vyDXbd7KEX.acEBN7mg-1739130355-1.0.1.1-qmZpPuR6nKuMWmZQJak0YxmNr_2aMXwWwe0lzMHeqVA" + 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