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-285540770042.mit-edu.top/post/4639021857

  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-285540770042.mit-edu.top",cType: 'managed',cRay: '910feda10ea1e5b2',cH: 'DxTHbGyDPWbMjf2YMgjNBNGCzAp1fsN9WWCDJb_0KuM-1739398430-1.2.1.1-.2YYK7F.LbMABKesqLbVHlau._F6DMyPMdsSTwjAGPIUlhvcHR56n1uwQMEhdyLk',cUPMDTk: "\/post\/4639021857?__cf_chl_tk=ljuK4aBIT0McZjsqhT2q3u26dfbYPabqDCB9S1gzb3Q-1739398430-1.0.1.1-b3feEhX.WWMiPNh5kP9Tsa0WYWRpyx7Oyqtt9Oa2aYU",cFPWv: 'b',cITimeS: '1739398430',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4639021857?__cf_chl_f_tk=ljuK4aBIT0McZjsqhT2q3u26dfbYPabqDCB9S1gzb3Q-1739398430-1.0.1.1-b3feEhX.WWMiPNh5kP9Tsa0WYWRpyx7Oyqtt9Oa2aYU",md: "W_mIY1xBWM.1igGmM_wqhV_bqOWh2OgFpKGAVh9gp8o-1739398430-1.2.1.1-f0fSVkz25dIORsqh0UYytK6nz6fkCLMWSEvtgOtg_nz0ZciKrG0THskS0KOfQQYk3ucwqjJX1htY4HEeOehY.ggOwYcZ.nbXGzmhIj3FF9Jn.VOPzwGCD4rMbap6V8oP5HqzOOBmPFE4uLa6DMb3AkRPrJfJvKeL4w5ooPtoGRc58k4d.lylC2NXhLUricmrYHRepfC.LLjEXMCLOiyRuVr1B7T17v9ojQgrtHuv74SboM5LmeyMEdaLMupgf1MnhOtMWV4fw3R96zVknMJgPlFo.ZxmRTcYyiqGbiVUnH7bFboLRJVksMB4SHHC.ZuRdWLNiwVdgZkuBIN.3DOL6UYolnFDW_dkX8Y8KH2iK4EfBuJmuqW5IsdA.ug4XXPWaSQCDTiNVBXA8hrSggpo0SUDkA5N2gzzWYlnxL71lIDtBOLoDD60xZp2LKIf7Yjs20LWPRRL4IU5hCWAkAYMJd_.vqbA9jv_6EVj8oU7bQSFlBPs7CSQQd6uJRKUfl.9y0pqWEIjrSe4OX_ICzOol4V5unwugy5ndIdo3KV8y1KkqEfqqLnPH_KjqaB3tkOETF4TXsAyoeuvBmfN_vDluoz1VajZ2tMWElamPFKwEMd8_TrZwxHYHQoexFOSsQ6V6tX2Z.hmoPpuMEgUwwIk4AjRvScXnorcrARDYRZJ7cE9OnWmdkMFqIBW6.R64jmRUV4Mo1lIAhQEP7vMdoLrsp_II76TD4TiZsKYh7dSgrWma59FAwGChGvJmZMBhsHQ_FgGV5MT5f4zH8X6ZvWTlnh.ugmkQhcFuWZfnxHZaKgTiDFM2WEdjUgzhGbo6P5PqlDMl_5qvnp1lUQAGJd4szq_4yFtcCNLECWMI0ztqiSJQ9MgW83yT3UBvBY5_GZ00YkG1cBwEkyBtt72xv4p9uh64ujpJL6jRsl_V6TSRbcdte5p9IAepMd6cjg39mbBOTCj2ENFOcjcewRa17R0e7206YKfRQrJee6Ck9busy.LQGsNA.BZKDlrAa565IY0Md3g4yDxD89R8mgHoWAEMKi4rL0CF8HQtno4DoOuCl1uL1gIyY87zCNGuhPu03FKMU.WyHaioa4y8tC4ubLoJQOmFlOpPbdxjaIl8rXcBqDDXC295ZsN.eldtjQThPX_LHgvWeIc7C_zjddNHqyRJLlPF.mWdA8_esjonUw88sb8UCPKpmquJWX95D7N0dB2ylOA_fztvvH.WS9BaxMBR8DkIWsNmqIprKuwubgPbpHkM7Zg_ZJo2Kaf1QZXQJytiEktM7fWKlMx_bPGjplHgoLJm3MXtf7qpyXdp.JZIIscaKgv3MVj98QGQBx.GSQmoImkDd9zKSNnywnmmiM8KaFz7uEPMDEAzOp_AfiiIlFD7vwKWm6ps6LRv3ACil.uA9n9qdhPCB2fsC8K3Hx8cEMISnyOmjFMtI23JcZge9OcLc.LXWb99FQpPtP0nSqJNxlxru9ABBBlVP3n14oa1VjJThC32XzuOXve__5YBkINmQ9gTaDL9SlIyYSjJzolv4pqOq.uNClRBywsC2P7LaB.oCepU1N7U7ivVh8Tps1B.ARJkjxFLS2cgDioKtFKbwUUWdynS9B65AWTM5jAhv92..1DTSCDOOs82X7faEibDezDfh3qW1a4pXbReqhH03sTmfqlV_RqasWjuq8b3B1PJ5G5ymExxSSKljgHDVvVmWaJUpYV4aoKwRF_7Q8M18oXciBDgA6k4053UTe6HFHPz4abZtO1gvpF3OAUvcUwYYOemN0XJZWzG4PMrrSmtwF7GKvtgHXrXX6R5S8SFoBxDEeRqttMo9hEgChmteIl_2z_jS6yxNQZHnxTNbBM0.to2kaiqi_fOnVZ7UpqR5mSEiu0BSDmH.Wry_NfLOCCHwe7Q2GWdl7iLJDE4gMCpNhk8D8srkKzIQAqgbFI.XBufKKNm0X7WW909B9sDh1Uu71fKIOlDcEcxYFOVBx2hLN5GLKEqtPjk.t5akZAD2LCzob1B9AIDimMPpIn9ly8aKeHtKZGwoJ6qRh7cMg1VPyaFjEcKhcu7MuT75lXDhURzuSTwGH33G_gYpcmLOSP2Iqe.SfLSpSEtyGrAoy4dbX1Z6GjGF5jFLlNs4oPl_WJDmtZHctZqnm5P3uRggsUbI8rpVwD6wOyzIIvxwh_na8rKnH6aEALBBgLNaa25egJt4ycLBGkSM81WAqkJreQo1adbtdY20lu6JQ75Hwm",mdrd: "_AVL8IZQUFtctaznP4FSZ6tcsnJyZf1W7eLmfz7Vchw-1739398430-1.2.1.1-kuoMQEkbEjrmCKkVglmiF.UpuJpHTOtxIYmFTmW_XksubSfyVyIXDW41mEHMfA1GtBNSjo0KoQ7j43Dn.8dquSbvyefA1.ghTP.2lb9FMLfgW2CsrcCnDbRUleub0qExXJ8xwMCy7Sjx7Bx3GxayzgBmMGgy7KBkKJK5_vpwnmWMPOUR2xTsLIvZL7Zi5hpKoN6Zf8Jeg5l0hganPLTmd8iwzN8jwjIOB_.NBkUOtrlqjCOufrOOH5qyobAwp42FfduYg1AYD36ujwDxz3WT1pKZGUhQKS4EYppeZhVHRjWV17dcJR6mJL3z44D6DT8.Sianr6iu9XezBe1dFtKE1VupZ14s9GnXXy4SDXD_QIEyEXXw02h37RYtcmK8.dd2tT5pl.9AqMQwYQ4sEFzFzcy2k4cQUJD_Wrtm_8odB9B06kOsMfAJWJlNa2ZTjVfKQsPnRyaHEkuSLawFiuATD.NoWYVNVKY1xvxd9Qygx61Ij5WA9wH9Rmc.nY3nVCYBr3cLGS2NDEXd24weoM8.aztC2RkFWIlcME5X7DV9a6kCdILsKxeowXRPC.YvfdnVRaK7O.iEoSzp4bqRa89151P9q0mtrHQTL5nghB.TxntKc7CX93UPGy2EhI2uDWJeNDM1wVEfrmKuIHnbyGBIRO4JsLcBWlQKlJq6J2XjEHtIJLdB9kpfQ5AoetmVyx1jCI2Y8pWVQjplibDjPkiN3lvNmDjKU3E.Gp7irq2lUxkZ44KKfPPhbfFsBniu31yCkUBV0edm6QLPPPecRL273PSheYEowdxc0E_nMSGK2a3VOtsYX3w2UBXqhdCHyGzYEKh.la7u1Mjqppg31sbUG8MD4_JEMd4mON7P6lEzFlttqXJTg1g.rdVp1QiseD0pjSMaAnO0rVLuv7IlKPFZg4PGbDd2E08ZL.v5dywqeBvohdWYjimDcPxMq7qWiH1RSSvfYsff1woSR7bRRjX85.hWhEHWhg5fPzap_DqDkWDffZZnDKGWQ14jS96pCBjtAjNkKviI_7Gk9cxTZ9h9V.zQTQMwaDnjJ.anP0Gy9WwaZhjCegOZwFwEfBWU2AUBGG8_dxQRpixQbuRntvT_S7JSSGfb6fmgCiFKM27x1BbN0ZwTLeYw4FXGvcZ_7FkF0h0AsLz5maMILkDO07.1TImRKJvIkGC9rgNmGlzNGEKApBAdEHAx3LX73LnWt1l7Kn1sJ37AoDUgO4gA2myF5UZWYa6v0EQ4.ASERtkyttFZ5XJPdMioUf.fZNzr_Fx5WfEjt5gCMczThk.CGPIWv4GuMCQ0jqHwF5vkvxiH4NTAlsAj8ma569EYCv2A8Mv_RCibeJv6Z.k_mT5X8dyAgZ5tsac60JkvrAwoU4rfbIdgByFuzG2FCzMACsVqKTa1_TKZdnDfGHtnG.GeXIxQRyVBjZovkNpfrSqW8WYEAo31o2cuvPyJJw1N3cxWZmvsIBjTzzc0Zk7XwzSdRpI8.yxXjlFLqapzmim3iVBkKvYciYPWgJBSGQUINDOJGKqLZ_BDpoKF_u3fkOak7q30V5B2qCUutIH7gEk6oRt8agUHkhMR4yYUzoUqJ6DyrLpX_FlGoqv9ZSsNvBJENDNRWVYYHzLHRsiMJsFAe0uM87IizVkPGxzsY3yd_qLXaTyZSW5nkabeAb8IcaoJellSn8GqTrh21WZgj90VMLl6aPh6Oq3iUKFqKkBYeYYCqEHc9jpGzI4LPqK4aJDaws4zX9efSAnmDBXcnB1ZUqpnxszP3qoiazYxtk37Gv9nEkYdxy73m5ws_tZVLeZm_1ka4w"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=910feda10ea1e5b2';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\/4639021857?__cf_chl_rt_tk=ljuK4aBIT0McZjsqhT2q3u26dfbYPabqDCB9S1gzb3Q-1739398430-1.0.1.1-b3feEhX.WWMiPNh5kP9Tsa0WYWRpyx7Oyqtt9Oa2aYU" + 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