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-aff51r2ui.mit-edu.top/post/8567312904

  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-aff51r2ui.mit-edu.top",cType: 'managed',cRay: '90f2e03f1ad3c99f',cH: 'eomeqlCqSE1WViOQf2pgnvoBmkNmBfWXJ1Vllis3e.Q-1739093795-1.2.1.1-psMGBzAuztARANQMsYhOnL8rpwZez_s013eJXaQE3wwCW5VIHskP4IA5Lp8y1QhI',cUPMDTk: "\/post\/8567312904?__cf_chl_tk=HjtHdPOx4dSU49PHiS6ZibduTvft4ulhgeQGiIkoedA-1739093795-1.0.1.1-i7ajQ1iTH7IbtZzlsdSXZxTmjkafVpMarVqAptlfES4",cFPWv: 'g',cITimeS: '1739093795',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/8567312904?__cf_chl_f_tk=HjtHdPOx4dSU49PHiS6ZibduTvft4ulhgeQGiIkoedA-1739093795-1.0.1.1-i7ajQ1iTH7IbtZzlsdSXZxTmjkafVpMarVqAptlfES4",md: "jyeeuoyb7xlJsgLQb1SaZ9jP0BDVDccg95WkI0pTBzk-1739093795-1.2.1.1-dUHA5d5_065tjZeTrwYvnnolRgVH.A8CIO2BW7IWCoSDGCZMOu.6lE32P7HHmQY4lJzsXmGN8j6Z_1NYOkmyYQzJPTexCJG6SGIMxhFVht87qMrXiu0B0yabI6ff5S9Xno9ASjVg3cv.FzyQgkki9S_qR6I4gObNwwv3kHRpS.tVezCUXO35470dktQXhzJfCVZustv1bFoAfnd9lGSGm8_juPIE28K8dkk5jA.ug0JQM4y3Q6hRVZWbLPxtDQ01dABx3IqIkW5opFLGXZ1zOQVViKdUd7KMfpsEuTfOC0WEYCYCM.WjtvZael3yZlgbcv_YEL3iZoPSPkBt461DNcIG0ptUpPBAfI7Im4XJpyFDaygBgOhAy6E_cYRzSc3wPwhJ2Wh0c9rfJBPZ8SIoQ7wbGR6HHS57_dx2K8glshfUm8miGE3jHhqDmisCtb85GGhsMJ4QyFWOYIFUs8jcgHWPOpFVySeRJdgPU.ku13HgUEeLUWBOXJpIiKeKYed9oh6i45_O7GZWEtHuG06dEFeX5BGkIyZEMfcLbdBIPxb6bPFkrMtey_ZQWAZBYb8mxtoXaYQwHZ_lBvRy4v8Q6jR3ZPJH9zliL7bnHQ8tkHK.uaxcLMea5Z7junUYZaj_XWCK_Sw_pSRF8bOGUFdqsQd6yurBYI8X9FioDHRbX5lxTylq2D3.fT1RtV4LCN_ZugdCUlrVCFeJ9DtdLxc1sG9sHt0MLXXir9iW9hJsK4yNr.sbSc5oqtbZ_dpBXV6c8whlUSwKsM0Zlp4Ym_6VQ3JYdsFXX3X6kJ2pC5TXvjdhYflRxJ9LBOrw2c7MZNmZUZZ8Z_AQd4R4y5S0WmR.C_vH2auuoGBMka3S52pGCq4LNlTihE5S4XeH8FLaOhI9rH.Pn3EcKpOSTpNei8eF.ckk463RZtPOb4YCuHPQ1EyiY1NSC4xtkVCNDSU3tJLqDJy2qpY9PQO3QAO_gAOqeohH2eu5X7jGHBNQeF8eYCecMy30HBflSE35op0ePgBNHitZlG0fjD69c1nd0VPNzM4Pmf1mf66esF0IP7NMTLny9K886WVZV8j0drk.il6.d.kmPdptovJCIRzawrWqS7xQKTit37V34Da8MDmQnJTUEWJhOSRrZyxgN7_hpJJO8T71ey.qH0RuZ_iwLCiHTqau1xMO7bfnFJGcEwI_epaYUOCvzj_bXmzP0CQWcnPHGtQKym9aMaIdZKySoIB9_lEKX5fdLukC2aOgxEczt2MlTxWLyt0JbqELj9tiXJTQ4WPsS1USLN5r3gAkeL1Q9h8psWhllxhwemSdP1h_vwmlr1PtQwDLQeq5_w5z3bz6mu.Fq8B4MI_ByDNXnxOcGlllNUqNkF9ELwrXyZnq859smDcmgRJ4_bgRS5QYKQgaTZE_Zo_Hk.nsu24hwqWuMiRt_06MqA8jkAp1cUEunaa_qblktborl3R3D4nsVEjZ.r2l_n9.OGEj40zkpjNmY2iQrmY.2S5AIknqnsbUw5hNCOeJolti7vOUd24wqEUzFd2KU._V.JBhTODC74OIl2doFE_TU6mYJ9yKNuT5JvBJhQ75NVN6FFZ4Nabxacv8VIn66wICiTFqvM2AJLZQxMdMTFuMOJXtrQi7mIqYBJwHpDoGaYf8q6gllB_7Eljrb9eEnc7PSEbdu_YtIRoIvkHT5LbLVZ3WIgvSOqktk_LYvtBw5DYKZMy4cfky6tenKA2yzBATLdkMMoQy5k6D5ZOyMcfrsJRuz1YJs4R0D6YS_kNf.SqGrnSMi0pqhhmB3DXwAJa8gOqpencHUjE4v0pdw0E6m7l5p0XbUfi6f.1X2ojkZ7nAW0XczS90KU9sjRycRkj7RquzYC1p3y92fFYalYEC.4brECWTt7C8IwoNSiURRxtX0Jp6eNu5uIG14x31e1dL_q9gs4lxjW11uWNN7lBN3YhFk9RcprwSSMtkqNlC2JSKz7DgBKRKlySP.DBsiP53h4a.iqOlTzRagbO2EGLyhQJ0PnyFjQhsSor0wTZxNBAfGyCNT0YF5vVawFO3Fdmzrs0h5yu9cl7Oiyh6fE2g6NfbIi6VTbhv17HcpekPLeds62MJ93nfFDxNzrDGjxWSFNcG7o0fn5TYsQV9RDAgo2isYxdEOlCR2kXw3beJSg.fDRdxkSpQ22gqteid8If1drwHTUj4OmIJsPy8F4GpiaSeN0TnIkak62.3PVAtgz_zU39.CfPLJVO2",mdrd: "7pe0jgEGH4ocVmZUurwMJDbGVYs8SlOy89.sDihmeRc-1739093795-1.2.1.1-fPUcseL1Ac_q7Gie9QXrB95BwCLIhYb37045bTa6GsMluEiamvoDQW03Bvu2FwBZaBZGhnLCBMewilOP4LZTQCqvZYAGqVg6OA2xAq_hZVpoYptC4rAI8V0NuhXIITXVyOvv1eWHr3BwOXeY0xhD3Iv0O10z.GNql2rxNkSEe16oDYOppbINc1UdF5CfLuybY_LGtB5k.2t6uXJL6.P7KWu6SBETobLJwLe13IOJZU6NKkccsQDaN.I3PiQ38GFSIr45ccbkSyflTiCUZdJBQphWe1nZicnr.bmbdwo0dDRc9gYLglh234o_SArMo81nmvGOaNHt3bPjD_a7GJ7gkqzFVoBi7zych.vxHGfkod7JeI5p57_IULta4l5m6Yk64gaEM3K4vCQFO03CPGxrd6GV12ZNb1gj5r8YlI_LE8RqW5ZhN64JLmW6G685BP2NuSN0CRoaHgox_PK7a0ScTq1FX31AYNQjv5hOySAoPIyCnLvxqJQeoxHMUQct_TE7UFtyQNk4AAD3c94FbhUJ1hkWZuSnFeS1fZTC0X6t78DUsx86qXEgHXrt6f404oUeeV2n6Rg1K5lEwVH9BDeIwqPeZH61pC2mITSt5groMFswwEhVH_AvoWj2AD5ayoMf05qO7.FnHNv0DTnj5vQZX.be7VaZg3FJRA9x7S8vRNVUNVEvgYenre1FkanHRgoPtRA66miWNz9Xf0zrw6k750NHZwbBQnKIj25K0UdaxFkq2E2L2_Uupa1asSbZw2KD1crk_e4cvQmE7II0v3MhjW6C7gdK870WMoslde6hoILqxj55xbU41BrZaS3TWVSra1upPAEPr0TsvC0cy4mIbSck1fdgY1FXnsqBKJIBPPMBt4MOvwVWlT5d5yLVRZRSbadBJ2P_j6n4WmarL5h.ikfs1WJuPcYe1U3ukC9dgpuEazHUsH37XkfwMZ2ssljDgf_uuLo8_QgsaUmkFxKwhOizSJUvU6PsBJ5LhXWNTIggpFAphOjN44oAmNcf7xmf_c.3KthwEasv3tx1LGhx.hAFEROCBg2516U.0Ia6FLHRmDLISAxazjZ0vL5LN75WYxPVR.qi1pC1_Fhj46vNK150YR6dzvq8LuaFK46BDWijQDoaW06hvbMCoirf_noUAhG_GijOG_gbfdQWzpg2hlScjDGLQ7Nrkb.6hQUbYKXEyEKX815P3t5xedaxsOTi7.GuF6Ei7noAofJB.78S6ngM_6t.2cFBA.cmGck2JH7VbZ3flyisFfB65id5Nhe6IpQp0plM5xdBmS2tWPF9cri_HAsupw846sS.0NuOUvPK.MFh8dJxx8bAtngO3P1pGHbnXxFOMnnmblq_f7Q0YdzZPfs6xVy9zw50yzstAIl01P6qEdLuT1fSBTOTZbtOwOfWFqepqivrJ8aR.3L3jkL_ZTNXYyydQnSgISAKg67bNMk3tog1Qh1a.b3EA7VnyCvAmep3TS4pILOd4w.dffP1dtbI5EY0Qlt.5HENHAfXNh_MBEe_h5VOG8Kb6Ppea_V_khVfYoumayGtUutty1B_pACmqPhslYtkONPT3IdtUnFN4L_1vzTNh0YuiyD.fBvqczfG5HLV1KhHDcR5Y.USmPEXg7FpLjZU9jTjYYd49.hAPDiAgu1xZVjWdx.4vXSUp1afqeGt.Ts9P6eAZclDY9QP0pZ5q4EUSzSsESUK2SWYR480Mzr9x5TJx02q4G2vBJcxG.Kwn8Ib4wyklLqxZ7doE0_nxgmORPVAAH0cFVwwagNY2Qmrsx4Sgh3idZsT_2KQJE8aHYOKDcJxig"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f2e03f1ad3c99f';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\/8567312904?__cf_chl_rt_tk=HjtHdPOx4dSU49PHiS6ZibduTvft4ulhgeQGiIkoedA-1739093795-1.0.1.1-i7ajQ1iTH7IbtZzlsdSXZxTmjkafVpMarVqAptlfES4" + 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