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-821604601447.mit-edu.top/post/8170265394

  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-821604601447.mit-edu.top",cType: 'managed',cRay: '910f8a6a78881740',cH: 'pBcvh4unP2UpFLd.RF7T.s2IHa2_bwblEjo2ruC3_v8-1739394367-1.2.1.1-ijfWpSUMf4xbPMYYDc_C3scFbStLxTfYsgLNrUHU.lpDrD8fAkSxR.FknV8ju11B',cUPMDTk: "\/post\/8170265394?__cf_chl_tk=1LkfBV.XWKpCaDbqKVi6.oIlfnc6_l7A._n_NYPXat4-1739394367-1.0.1.1-XU34V_y61Gj2MSAFfmn9T9La7Onty2q_3_26IBckSKw",cFPWv: 'b',cITimeS: '1739394367',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/8170265394?__cf_chl_f_tk=1LkfBV.XWKpCaDbqKVi6.oIlfnc6_l7A._n_NYPXat4-1739394367-1.0.1.1-XU34V_y61Gj2MSAFfmn9T9La7Onty2q_3_26IBckSKw",md: "zjW1QP3zIbqigom6_xe6U.I1AI0pQPZXP2EQaBoWzJA-1739394367-1.2.1.1-15mIBYtUggfo7LEIEQew9YTaBs4JsP.cEN8cj_LR9bQ4EaxdC2fFSJu2ba0U9uzQvBqHEaACVfIkbsKLE0r_81Gu8J67Fl4zoWoKgHdZlD4LIjhhM9ySKwZPFV483pzGyQF5onM8ta6hiOsyfMly95eDiMLEOOqaWMnl08iPakb3FonuTvbHCE9oJvCS4rUf.ZYxBfXk0SJNRafXwSHirDKZ_yAM91pnCJqAAZtyUBEtFOpFbOrj4r6uDX3Sv5Ae8Ll5lGq2cNIU9S2C09i70yi0nQmqA99hLN91Xm0jaWVnL1P00JajbGxr56WPtXBqh5AYBM7KIycEAVtVqynyoF0SdNmH6UDFKr4C0Xg18muxujWVB2sHlk95NZ7BTv6QzNyC3_qxUxS73eeg2jQ7mgM47CAZ8PA_4.OHmol_Dly2oeB6uIdljxSvuCxnuP0ncns4Y_gMwPZMEfsfOJtKHfAaxfzU6e1Gw430vpV28.2UfpDQoHG18WMU4fi7Da9WaBQSIEjh_Quc2qNXB1yGYGSTWmp.OxFdMnq90u4gkjeAjcIAq5fVlsw7iHAv8NhvYLwOXnK1QzAULJVQHG.TC9v4jJzMn86WfrX3fMpTab4hTwqtDnT6JiVBZy1.qArWdooNXs2trCnFD_cD0_0WlfuvL8xHXGdM.q7ZufTqslX2P5ANsuSI7Yl12smPuHkO3LnL_Ac.z39GN1BV1ScWhqIsmS.7.QPUWVm9P9W5_BXK7kKK5Sun54KCu7xtOa.Q3rdJrcfiC_41poaExaznBx8qJzJCrb6DllmEkBe8rz0YKWQC9tWoZQQQWEYI2c7.Jidys9m2ZPTMjcUco2SRD7rST1xxUeW7dQLqaMNCBnzFcYaWXmyAKs5I80mvsGhF.c094yLPF5ae8WxLxs._37f_Eyxzt1_4HmeLmfrNhVJhQ7owNRPxd8oXlG9v0dLIfKEqL96IrhBUsmRKSKFaltc96lVsffnj5d5yT4uKIwm5oT5fLJu1BbOd8ngB5W.JWoKz94NvyXJWhQ.cqZ2mbOvPlt4SAYQPuXoGsmLFoWsohrf3fOvCgLGwfVjE6JL.6PoGeXxtmaRdryZzyGSuKhFjiuQCn79ikdC0cfcjmudRvToPvJwI6ZvNLnVJmyUo3boha8qSTEVhxX7ZGDsmjHe43i6vQt33DEsL7o.wqw2x3W0cPA5UyK23FuGtGKMmCW5Y3dQ0yJ_BH80.jjVpTDMCnBIWIvaLviwHlBVnhe3pKnb.dfD3fglWkUf365UkQhQIxbtUgQZb.JlqRz7bWc4FgxyJO9vSzTd4rvbJqw.nNLN4NLM1goArK80rB8KyHz3OKkDzaYzAX9RJg7.VzJR1JkxW1VkKp2KcZYBqz_cJYFojmFL9vLHqWHvEDO.Ibx3P.NKVypnzf.8PtvS11rmnqBISA852gOG16quwOan3qhl4pO8e2tzjdi5E7Q7D6BX8DVUhui2AyyPDzTbE_tduVDFc0ehT4dH7LdiuvXdYy7bDr2W.g.PeNj45vdbs.bdx5UXUBWoI_zb_UkB4ARXxCcbTHUyeYLJTEn0X_zAo9k58MmLGRL_YPx2i5qd6_L2S.BanS4FreOkXcfZoyzEjqhbAoGMdMu_gtiNBanSU6aFQhxEDP7KTb1ViNRDDFJT3fklFl1arGMecqJ71Z3sEe5bf1rTXeVUoMLwgM1oNf5NJ39TKu4DyF6BZbOxZ7BEpwPqLgl2Zr1eH.DhrfirdYYHj1NeUJkG79vQQKPnr2iJIJdipA5duT3EcvGrg2b387LxT50Z4IZuQiMxlf1DYHz0N9OIhCty0.w39yVoc1r2rkJevkUqPvL4f.HizkYQBW4zHvwvxHkZ.pEr4jYCap5jxU9dXFfjO4l6ADH8iD2avSFs5oTwZsyLSvv7PAOQy.004ETWPmPKyI9ZwEZVMqlUJLOwvBA5dnn9fDx1HvXtokUqbXm7nDbHbPX_qPcbVHxVyMzPyWRMEs00fGrL_du4sT7NKosKxItmBjuVsHM6_qR4GrZ4Jp1R1wmAq4ulup8xwb81jXj0upr0jFtn_AT7F6.3RiQ21qRqZzVoKLiHp1MXfT5RGz6pAXRsTlD2WQmfn7DE3ShYhutkxx8044HfgcrOmVS7u1RpeL875H1ISAgod4x73JGUol4l7dLs7Pgy6x5xucIxi_fqL6XoWEMzOOk.5m5cPx6CoP1nx8CT2.zXBxj6epqnmM1hr",mdrd: "6iIZ8PREI_tSbmEuci054Cr3YryVosIcfjynFND3qRM-1739394367-1.2.1.1-JMYRBjFXLaJ_V4IAvmJlwboLjSiyNYAAOCQel_BmQYA7p3L08hfYdEpBITQuD96qP9O7T3h_uD1vJR1.NWGWBZImhzECCWJgwjeOr2Pm5G8gKI6vxyQK6J.S.J6A2ojeq0hVMZG7uMWHTYOzDCSwfJZyHlzckVh7AA5242_bpcESGM5Aty.l7grfSgees36zAI3iKl4ypCaRw90X6_S75_4PRDBXAvx.Km1AGLWNTpv0fOQdW3kkkzOieLzH0x1qyoet9.RdbcRzA_unxgGvTtQCftui3c7q73b.NtJrMcWkqL5Rcn70E2655Htg9jvNgvMlx8vXLVd_cnzvj0aLefS92jer8RvTuGmh7hQxG4kph69jjjnsQI12WQ_rXkxXVffRfR6TNWawR0Duj7eoar8LdU78OwyYqagEjAXoGCmUjUAwQ49p9jGe7kxYfZ2g7WCXpLlL597fZWeuHGAan.ES.z0K1mZ8B1dr1Zzy9knmCArYXY2N2cMswmAycYc6CkP3KnBcjUsHN6nx74baRvmTnUKD5EN13Do09jmwyeakKngC8kI7fHTFf2JSK3EdqTTzkGppFbyWKBUvvUp4qQSjEtRAOWLprTvHbWvW76FELkvk.iWFonLsfxeewbClF2kPAeKjL6AaVBCWh7o3xEcvLV3j0FMADrS7ZYXrAeNH_ZC_XKY09QAe.0hfqONqjw.D_WhqtaiEjo70E2dnkZ1pkuOukb2B90WcTJtjU8R58EsB_oKOn22B.5dxhO3Dm92qWJlUT2iqug5WzJM4bKIRTY8j6DlNSD8RJzd7BQuj1cRxoAuiCKKBG3O9hT21QpsVKFZXWZktnGVRycrOcH01ZaBtVZtniqC5dKMl24f19jPDnHC9eg0R6qFxlkTXATWF2i6H6OcYAO1nEQqV0gIewvXEgCZESKZpvURLru1Km0FpmMPHQB_bJcGd.1ZUjqZxoK.eSqKAdLSXcOYVxMrdtsUuGP.WxfNoylkDxkvXtrYr8DQgcmA4jbIiyniy4sBV3tprhWRWi4hkQI.EpbUVPEluAOfqNYDI5lJ8kxX131xPMC2UxdjLVydRb5B1RHly5QHXBfb6wimYpFbK96cktnXlLYdnLEBQJ71dAH0wp8SYlvRv1fP7ET9XmLLIhbWPW5O.NPKhPrjSgCVAERxAZBtaKbF.iaic_EPfNhiE2ZPu.WtEpcEyovmDE4ztqUWHDCCVYJig3VYikEu4zejtfQpHQQ5jfksg5EYkAr63YuNo4.9c3wnTiVAExKE0iEhyJDLX6wF8bMUCemUuE0vU2O10XClFEYBoRQ2X.Zv.2PLHzKTa2qXV8UJ3KPn7CsTZ4CqF.aiuSC1fp.pLP0jFZ_MDCqgGASmg5fXoKWseZ8RDHbEbO03okotSKT.YYQv1ZnCHoT3Tzd.ytkd1xb_KkDVcPW_1zfibxqDK5H_ntVn6Yb238iWW5LdRDiPQuFkROFwk7YnpOhx.I1T0B8lgnRC1Z3OV48omIACYB01swCLUjGvAIg.fSnEdbRcYS.IoLML32k1VmZUrQXHFXX5k491X.MF2Y8jKB53Hpj27SEdz.M0J10D3vnghWvcgmx_AF7aPRBGw1chBk0m7nhjBMnXhjldEcUE9n_yWrsLrTUKq056Toery0mCetZOZU9ga8iZmyf2IQywNh4sr7g2FhRaVO089cKurrLsEsCvjvG3W0bxzQit3oAc8SNNlvg_XP2SHvdnzWTiZ5tmfBg3cgf6_Smn39gTQZEcWEhfLV1DF.oYkSZPgO1e_mTWaXvcY9mGS4DjDvEoqgTKOmmNTATraqWqsSoLZzOPoVRk"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=910f8a6a78881740';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\/8170265394?__cf_chl_rt_tk=1LkfBV.XWKpCaDbqKVi6.oIlfnc6_l7A._n_NYPXat4-1739394367-1.0.1.1-XU34V_y61Gj2MSAFfmn9T9La7Onty2q_3_26IBckSKw" + 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