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-168625800273.mit-edu.top/post/1278365094

  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-168625800273.mit-edu.top",cType: 'managed',cRay: '90f1ab11f8a4c956',cH: 'ZSrrT5uEoU9kVeBLCQghfSiCZ1AfH3GmAPA255N3i_o-1739081131-1.2.1.1-1IV1DUU5krXXBsmGUNzhFgdgNSvZh.S0vV9CK2CFHR.M4LSUxDpe2YnwOWGuSh55',cUPMDTk: "\/post\/1278365094?__cf_chl_tk=Lw9LExbJTTJ5FGyjO37DJHfm0ZRZdQs9WtmMj4PAuZU-1739081131-1.0.1.1-QreQKuZV4FHq6m9kyGBTSX3_ZBAemWTf0jWUdvOb558",cFPWv: 'g',cITimeS: '1739081131',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1278365094?__cf_chl_f_tk=Lw9LExbJTTJ5FGyjO37DJHfm0ZRZdQs9WtmMj4PAuZU-1739081131-1.0.1.1-QreQKuZV4FHq6m9kyGBTSX3_ZBAemWTf0jWUdvOb558",md: "WLZI3VOZBK1gZnCVKUa37988GpijjPfrPXhsMssGUIM-1739081131-1.2.1.1-zxzo5oV4ja8XlcM70VRnGpio8V1XF9mB.hSphoxa2I859s9K1JaN1v0bpZhnxrZspGE6D3i2usS8EXk.tmxFrMmUIZuJtJTTrUUJzTYxokTywbMX_rp7wEQaDdHqhCQ8Q3YYaiUcgFqvUeDFZc1T2SowZrVsJQm7NEqzKwQoU6SPgo_h1q2NxAvXHi4CKbFkd0wxgFufVSsHOGysEE6c5mR5zrbmFCqVpzcf2bvJZLe_EHSsQLEnluK_QHUl4NeRuMPVB3kpO7K0aDRql_Cieb38xozWvfwBZrAsM5o9PvfxncBnmQ477ZeTaRY1DNcrEYlTA8P.e9OIx31Vfp0iWJehpw2m6M98aYbBEilI8fFDwP3yQj929WD0MYvigrIImmOx1Dv__dxXe13BWC7xD6NFLcVlYq9VYV8e3.PRduXS2yrm0iPDyzM.ipi9lhloAXSxa6rvbJ5wTXCbqXqaTXNVITjm23_JHhm3cUPNm5JVdciRyaTl6NNxAq3L0OKofvo6dBFLdtFiQhDf8EQSWQTWbZNvtc0dDCf2gm15XtLZAZpOhJw4hvwZAorWW7XLHuFe3MdNzthhHpKhD.0IkCD8dX.upt5OUat5azm3Mj0yav7gg7Vn58jITTNLzTMunqNCFLFHU4py_xsN1yr8Z5GCotEQxurq43D_v3IrcBEP5kK6AcKxET4ExZmmJoV7HH.sqA35TwQ6LvyHsrjnRrtPOu4vOOjEPp7TBHrLOGKtROUloW2R9tSDOrY7BgA49qbdT9KrfHoH1MWZMtyuf5vZMb_JBU.qlB5SYcIYJkNF03b4YB9vdPOuUOAsh_b6pJfLb1AxRwXUI8Ne_jXQDRB6H65NRWYeNK7YJuUywtHhVDMG8_gWIcBmwulmADP.k6okN7Vq.CeWv7F9WIJB76TSz3lw2Wf8Iz1omcGjw.6ZyjH6N._n6I8X_KV4mpBMMbkfOoOc1AqnjkmTPk5Ki3dngvzLx9Idapnow81x_JAMDj4M5vkdGbAcCMvpjeHYBA9Yteu.qpMm.Mv8I6.yjSPOsTU53f717oyl.jIiGM67rFHtEdviv_AJ4KW8IL.v9xb4JuvdRqF4M_XGmFOzJUNzItRZ73vDzdznSXW3VavM4ufMqw5GS4ZVEg_Hw8qOciHksVrRUc99DbKBm4Ok.foNNtsUBfFqL0v4sgHScKceav5hiGvrF2kiZef5fhuviEfDT2LOsUIxbvbCFJt3.nH8KIn_b5fDfmROl.Dak4OzsJV.1yjUHyaL9fpHb21PFel5.fyXzN_9HGRmkHzoVEaP0EHGqUJqZSAu67cIC8BCsGJNUw2VIOnJRtw_GlxsSdabohErHtRcfwXBjwTcrtyL17rfnYT.KL55s6CE9qgS5Lh_p02JTnDfFdEkReDkDfMBXCkS0RTDxlo.7IOzq2zPNjQKI1S8Nt3zOCPRSCamqdTIkLKtcY3P2Nb9toH0OyURW3qZjLs7WH3i3dt3pFz6fZe4G65N4eQ704nMmGcnN85n.581OCDrp1xFPo6LShKl5ZB3S4kYBziczBkRVGVSt7JQPGkFmWoza8.BQHH1E1eLKVRvYeo7hXqEUO1iVs1B7fDKpIWpE398BaBBn0ZGcYN9ZO_EFXNoCWDjaV6U01JZdi2Jp.Tmn3osF08w9U0mkIDBDFOGD25Ld0GTDdClEDhLfwWC9JAjOs1gzl9ypjIIRHgdGNWHVmS9b1rbCpIdn62N9o310zIHEDcfKxx7ES8KkmL_d.oClvRaTzeEPB8eLmanX_CgjuKwKB3.rCxk0fucYFmO0KoDsxOpjkwBfdUo.nHCjakqI7Eap3jE29toe9NpRUvKEonwtQek5q2iduAWwiWsHhvKkIbQ4WQdR6ewGUNE.4AeN0PVuoqS6eDCz0xMI2ZLpodnEDdmEyolY8fWDwLBR7ybFVYCCCssE.nMJXF033VqykqgX7YaFWR4jV4946hYtfVZo6pkVHnfTbBwJb5uBcop85sGkO0ZQjDn8eInN7DULNgchvt44F2qUFO2IsBJCdKq4B7iGApxEEqeOeOZ4QmBt8EmW0h7WmgTqAimGohNMczs_a_dTAmJYoje0je8ZJNTdHtX8Y8f5kPTGC_RnhS5SwXGRjeJiATSPhiejiTLuc1GZiHwJ4ahSz4nIhmhF9GybJ5J3KtEWkK1tvrNnUS1R8MmUnRhOAxGVSohf9NRW_FmAy6uzOa2qOWkliIlKz6aD9WR",mdrd: "Idhe71.CDzpAOsX_LkLCq6lYdFHYwawZShULOkmPnyQ-1739081131-1.2.1.1-Qiq9UO9u57LVNl5wtwqWuQM2hUJa9c4cdc.Rvh2tIM9VKUCykiD3OkEIj2vXTkC0E3pCBUOJnwl9UibYmu3dfiS5lewcl71f3cQBwbxdefZZqDt2buGKTkhtQLOcF3mSSuoA8HBX1VEU1MS6UB2aior1anVxup9KJQ4ilyDaXAajz5Sn7GmILis_IP5O_p7hlrlbA5v9FyAULBj.taaBgiMd2MrLl1NREZuOGE1cZsnPi3CViSM6971ZGZ1.BTKuAE9Q8RQgbNfE0TnXPp9pVUbRn9zCQt__u3O9Vq3v4NuhjyOUuoT.Mtc4X2Iga94NaXO16Al7o4iYLZ_XoD4WTbvy2N1_MrYACNvPcEsERGMZhhPxZrIO3DIbKYX1QD2_rQ6QXbkxek2Egg6xZiVYToprQbz22JeOk_Q_HGOrYOm6P6P.SOitzVD3K44.v.4uL4FDoD19bNXWlNdzU0p2PZLWY.S4Z94iaOw9unZ41YZQxKndk2VwATz0ioF4cEe5xt114BNyEl3h.21aoEsFI5.er.w3HXMebGPLFghp_lpgh6yuoGvNgX821drXnYDLwFuRTykWGdUcda1CUTBeFKRMLylkpgsZJxFVkOvV1rGcvEhXZTbiC8YZXSrzJ9mXSXu.FnYdEIL_57tl69w7w2zCT5qzOEto_wSMOUiaf21m6fmBsINGwVIuNJBr1mDVnERxr58p4Om0CsAvS86zB1lXCuzkTKl5IPAzfNEJ9bgNd9NStP9D7nBTZL0GU3c5gItGSijkU7GnnEVSYfq3d2RlybF9mQ1JrzCoohhKIgfMmqyUiCaEHtMJk1fhl.n30spVLdT1Fm8inYqndHQpopBZTNGOJcoVmALpcpE3DClbxCvILtTjSfuLPe5q78spQfoS5nf6YKAjER.pWYX7qbA6QdSMUo7XYN1fAcHxI66C6toT8uXwgNqrpoPFDRaOvxJIdEuebIv11XJoje5JEZHCdjrVuC6AvI7nLhT.i8tZXdqCXju4T.u7hm09Hw0QZReSngRgU8dUBh.hHjS7d2wxtJEkbkyu2s6_vDxo_pYwF6ZzQyMIhbgNlrIkqLuAC4LOXYmNER7PDEJ4jEwVamkrUHEyUqDuPynalu5d_RzKwMF4cc6QKai2.BBJehOmbMZbhNdpngDC_.kw6ebxk86al3pr8ENukVuMe.bXnNWfT8.nO4XsyvXQ.18IGINgyx2RXXTePjCvXlsSs6XMkWrXnJytn2Ir1JAqUUOquE3lpYEV4EDNWyIMZnVwxoJgt6tU93MxmfZqX9ax2v.3zojpoXLBXNS4y7_NAv2LOqH22Ko94xIpRN6EGm2U5walJ8ktRlMHCdiB6aHgQOYytNAT8P.RBCwaXNj8MxwRYeY8Y7HmsU9Z6DoPO8sbhVZJdpN2RCmYZfqKpSExgoaezeyBgYh14gdU_zREhn.p8OMcSfIjNZztuXJALiiljDVc4N0U1WKm8AyFENUU9q6UbwF_Mt3WefFhT.rz.rRYShRgjKSZja8fBhHlEHeJfQBOkpen1Vl672lGH6RG8_K7AljkuZKRoBv9efHsHMQdr2w1l9rVYVFPBnpXuCRmccbOpL3k51stEhW.2XDk6V_ie8gfgJfgOsoPXdBV_09QDmvAEIYadOBF8Tjdbi5fsoHsj7p__QC.BSxJlohjpojqyglFAQzONyu_fmbhv3CmVGrBV4wCLRwRxmFD5HDi.8_VXKH3utEWvv1n1X0BpPNt3xiQv41FQQ8ISEmrCFq4FFHAsksiSRixODKQM8gPzxWjCfD15ijUXF5222uUXyNocw"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f1ab11f8a4c956';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\/1278365094?__cf_chl_rt_tk=Lw9LExbJTTJ5FGyjO37DJHfm0ZRZdQs9WtmMj4PAuZU-1739081131-1.0.1.1-QreQKuZV4FHq6m9kyGBTSX3_ZBAemWTf0jWUdvOb558" + 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