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-553166374453.mit-edu.top/post/1358627049

  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-553166374453.mit-edu.top",cType: 'managed',cRay: '90f955643cb728a8',cH: 'ihvHfoXbV3jjoxQGAZyl0UJLpKistsZfA6e7L5ptnO4-1739161508-1.2.1.1-mkm.JccQ_J3gjhNZGJQIwB3uh0oyZQ14Ybz7BNLXnGK5SK2AdAitDxigWK00Pqpc',cUPMDTk: "\/post\/1358627049?__cf_chl_tk=xSYwd.6XeCfliHr0tFIg0P.xnb4EWQN2SKO9qOZCzhc-1739161508-1.0.1.1-9q_ZVzWaJR3SIzb0PkFTXEfHkNdnmnMyOQXEvCZ.mhU",cFPWv: 'g',cITimeS: '1739161508',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1358627049?__cf_chl_f_tk=xSYwd.6XeCfliHr0tFIg0P.xnb4EWQN2SKO9qOZCzhc-1739161508-1.0.1.1-9q_ZVzWaJR3SIzb0PkFTXEfHkNdnmnMyOQXEvCZ.mhU",md: "k8aJ9QnQpHmRrcqvqldXOzuOaeb4TuEB8WO.iz2C__s-1739161508-1.2.1.1-RmBGpdlJcxXPawTDnJPb0gEnPtIMI4hR0dzZcA8C2.xXSm7nvwqMpRFN5mgzXalRdEZ_8ve5iOiv0rSBOrcTBQrj_hoLO8aaKD7y7arfiS8fyO5mCXuiR.ucQ2qAVz84DR3h6UCgIqGT9sRuvJmQOP1_3Aywpopcl4VMrYSVLwuIYWy6c.YPnqiaW0fjr7GxILEo6OwKhPiSQHMuncDOYp7DyjpBE0TF9InEqxeglPkxnD.QqkpXhDAAksPXm5lUxAyGNMei.IGvWdZQRMND9dSzz7B30AgXK09mNwddQKDdltwVMSeE1GVt3dmTOjwvWHANeQ15cC2O6ivMPChSCr6brXJl0_uyy2fKckXjTfh5XQA8WSmOLVgP5cbzOGl8x_1bsvxdpDuY.zm4LceneSxoqamBnbj.8lVW9UkvwhudRlUAOm5qoecliastBzmEyOHLJ.SKyy_izHf.sdljENKHfgX3yOKoa9KEAkAJ5xpBam5sS.tX.Sv1BZ9l0E11lFHW409uIdluXCwSVRdgo8wPXM5W_nyf4LJsaEeKcaucFOcPiQPhEOow.KHdGVJQn2kT.Sgr.cyIrq6u3v0XUyMZrsJqN7u1yQMLwydzzLOVP15pSg0HwqByplXLjVvR3x8TAMu7NyFE0UU.ZTjmD1kuwi_QgnmlwVwBOXzAzxqKMju87vYUbgrUJBRvYKFAaOZCGxFX0rcMeUKAHEbEsajdqlhNembRZhMKTGKoZQWVLUsz4EG.ra3PI3PQHqyGj7VHWlDza1Qu29FCb3WMfg.ga5Lo14vc3Hxut20DVzj7w9FP85pXoA7hN6ujvcRuaromz1w478SyDWKe1e918jCKtQ1hGOwnKvBPMBBoMQvZkA1qLUead4D10dMFseg0Zr4YXQx_nwYbiBZShEhiUjLjSfdHIvbCfRtBBJ9zPJAWM7WMhexq9d7C_rsj4hHeSeH8cyoLiqJ8sl3EbfZiCJpEuthTVMtSHiQWbZhzfycIkrHCE8_U5mhEExTTaa4Cvzq.JuFSLixD3q.wQV7SyduVRC6I6rKoounQijWyCxBCd5keVtEp0prZ_ovhmIy3a1YiJQdEEy96E7OxhFtl6DpR.RocOiKO4ASRsNGhd7oPOf6qu6Y2WT4toIrr96sDrFlWhaGD80GP0gcFyMlJFwalSD7LPtTrAT3z5iv8tNfXjb2JWSY_3VL1G_xvzoVt59TVJ87hlNwS8igj5dOxyT7VAcUz0pGkzawEqSMx8X8Z.5Lh89jKJCcgtKrElIhKztf8plPYu7USaqlJiLUp0iDatVKtSUXRsIu.UXtlGDTYhDzd5nLnLbbXpyaI6vQhV2cE_q.uDbd2YaVVv4IoFiWjumH8wNkUF_e_wszov057WcpOSBfNNMpBP05OiCsXH7Jtr2LYPwlu.xJinNivyXgoB5OtuTNt_oA6HRXJH7P5wCQkSX6oszHtRg_d2xQUEjapS_.0VIf0CPTVphtceb.vBsdvTrDa9RLEKUVC1.6ELPIJ9jIt7hiquXezCZlU2z8KR.Y_XyCZ_JtS9YU0VibttcQQQxNc3XLbeJdv.MBp9Qcq6LnBkzs9LJdLQjC8CzAKhxgFalf9JI.15OfUH7GOPxi8HbXacs5bJXKPeEq2FEqdJxgSU25QDn6lYqPeeJ7r1qFVAGi8dxEFWcwZmt7ZPIlpnTlbPBGlH9ZV9Pt9lDJx.ooyxKNdv_fmSAw.irWM7AEwqKuW7QyFGbGQebxQz5otRDiwemO5MFea5yhTn2_6uGCY8psBHfZTTWvc1EXzdBiipBpmj9vYCOnw0gev5uWO3tc8gaaDBCLK6VTZC80DCclvzq32Kz09qhRnNJdVTT0nB00CfxCxgs8BnDCUhjWTa6mKBOB5EHJpofTPoy9GLPTig3oiQMMo.l4S3HH7t2Kd07TSW0P7QxQgOyvOW2d07VIHysYZecxc50_xwI1e0TlCsvpmsEBsOmtUExodagKbYZUryNG.r4mzyhUIrjy_JRZgEa42zSVu53LAFjM4xQSCD.seTjT6Gkb2msUAkC9a65CY8QTMBXN_AMEC4qRay9G85474LiFwMGsXUXCI6iJN2.FZ3.qFHmEly85GL0OvMsVIoicqWxixvrtlnxeMy7IhkAsTXwcON1c15HRMjaszTuYpg7OsWsZni44wENboTF8CwxOfYF6_mtzfeGrIOZr2xcNmzD7zfhU.N_0IRRam4AjnTGrvCdXL",mdrd: "dB467smUCeX8hHaRO.hWIQYFKG7tYUeB0As6bM6W.gE-1739161508-1.2.1.1-JG7S1LVJO6CAIBRdr7NaHGtQ53RLx3FygrcmSvS4mtnlbLDT9aGdwXzaKNeM63P9miVLDZU9cjF0afePoWDfCEIwTcvi_yv8iJNC2Bx7nyjCVGUK23B3V5dl0AAV05X5JV5a20B5r4X4yrm2zW.F59qIvTihh5kVJs_Zsd8PZQys4HvRjXAFZ1TGdFL7JG2jBJ4RtM2PnrmD4rAmQfaxZXMuu26GJjyOPG21qEa530BBGPpsxS3RnOdDpn9v4bEluAT74JYV2tXPRZkPvhgomqeoCgpnhtx7XQrXednvDF0oREoCHNBlR5xnXNE1ctoB5rCjCrkav2D2TjTo7S0xpm2o4nlTWoP5O_8K2TWigOf9Lg2xfAb5zTDB1YHcKQttT99aGj1Jedd9EB9H8P.JduxPCIqa_OoyxeS1usaYhds4Z52TNeVpnFFDfzPKgv1iMmusi6xmS82vJsq0TCiOk_OxvwDbYYqU4Z8jfKhLkzsq5NxvGxSnM9zFKWHXiC_fOkACk4jIoGqvPIDg42DGtw24eqI1oNMrXGHXi0hW4tJ_zhoNpXG8GUXj3g2VQPgNLi0Et.Zxbjko33mvnz_DYqrLYYtQIRYbNPwhoG79yI1CW7Bs6imm_qhQjnjPOAzcMmh77KOgYxrtIoSNRIRh3RXYdWPWQPPOLQuIUu7gpP_QqADoJzq8uPIFaBAgbBx7k.S.3ed6e8q_gFwDMrTBePhfut6ipS8LX.mH13bUy2JQfd9olXNVuawuIxxmhEoPYAkreJ0F1X_fw5cXt9emIlJb6n7oXDjTwD6KpyU72rxGtA1tql7OoO8e7ohKnHX9d1rnqYp3vEnwg4pff73xvuc5Mrloks8YlM_PfjI0UfM87pXFOCEU6Hv1271MomHTh.N2YWhKMxGl30LaS7tHpNxqmWIZ0INU.pYl.Jy72x45UW1p5CaVnEAVE6FAt7NSdnRDWxSGWeR0syD21osAFRYKiWSFQGcedxjQ89wpkDRuBf5OWk1PGHekZlFK0V.DH74SxWOWYCh4yJJFaZNHTq5ah8G5xt.RIgfrHqCK8OeuV25y0Es_dfjxPQKBvF84jaztMcUUAc67uZMuzZXL4yiB3QqIlz11Qu.lSMJ5HyXqPmg_4GMxDI6D9eclRLl2oHjzJYnJtlbidu6KXMIPJq0svqtOYL.qiqmArL9OQh4rvbUoyBvPWEIACTxaBhuNJPJbWV3JghRH779cIR0la56c1JMy2R.xKnsfa0Y1bW40pnYNnD868YuunG16UyVj_2muTn1Qj.U.rKUJE.HBuXuZlyiGLFBQiXjyJgdIRh2r9ziXmOirN.LIE9rp_X9xaIGr63uougpuyWBUFFSkgknq2b9jrpkg9u5CBBX2r7GYl74s96_.1ZEbFz7cjSba0i5eKXidkOMFr.BeorchjSZ6DrvpHEwOUn2OSpu3FzMtBL.XC8IKIFUInkRfDUbAg84D9neR0CzQjJEPZKuleV1FVl9XMNAf0FZkaRTstmNm5lVSiWCjJN21.kQAAPEgoKglM_WVr7zlhoy4SaluyoQk7CYF_de95erNzAW8o0u4P_2Bx5eKIlynIojID4AGaFMnw10Y.FcyprB.bWIdqseuaXgSQv.zu5TuNGF8Mb8aIRAr7uwy726ED7bb_taGyYMneEjXoXDhzY407ql.3_EmzUiXLY69RxjcbB.PpbaAfv.nbScTlmh8Mn3nPXEBxWUH8iiYcdlY.jdjbCo7rDt3n1q90R6OC3GGJSCZoAO3x6Or13spvxCLN8oqqeLKecq3M31dybNIY7W47cjPkal8SBQePxkFrMFJsjn2Kyk"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f955643cb728a8';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\/1358627049?__cf_chl_rt_tk=xSYwd.6XeCfliHr0tFIg0P.xnb4EWQN2SKO9qOZCzhc-1739161508-1.0.1.1-9q_ZVzWaJR3SIzb0PkFTXEfHkNdnmnMyOQXEvCZ.mhU" + 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