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-291967911781.mit-edu.top/post/7162539048

  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-291967911781.mit-edu.top",cType: 'managed',cRay: '90fafedadad68bbe',cH: 'sOMLSubS5OfimKE.zwuUbHDY8ehvEOAsXOobUwRLsFI-1739178935-1.2.1.1-AS_dZs9J.bYXsSFXiINiB50C2Pakz6Sdlwv877KWjd8LlxDI8HlGhsnuZFz4JzCI',cUPMDTk: "\/post\/7162539048?__cf_chl_tk=7HfKwf.AXCzqq.xhOixj8apUvCTpHnHUI.2S1DSk1xI-1739178935-1.0.1.1-RgYbJjZnRmIriml7.FtU8t3bLYMeHIHil9H.v0gmG4w",cFPWv: 'g',cITimeS: '1739178935',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/7162539048?__cf_chl_f_tk=7HfKwf.AXCzqq.xhOixj8apUvCTpHnHUI.2S1DSk1xI-1739178935-1.0.1.1-RgYbJjZnRmIriml7.FtU8t3bLYMeHIHil9H.v0gmG4w",md: "1k3.Gr5oUpmydg3LovjJl3simjOaA7o1xLZEtWI2PBU-1739178935-1.2.1.1-AoPuNkpXzzQcS77gOOlx8bR6RQrnM8HDr8I8JFadF88Lgw98pcX5FXuKFUyi9f7Fa2Tol2ALFIrKJFHabcDsn7icf0FxA_e.DSFrrf3Ai0l3Dv6_u1fXoALS0ugANNu5YZWBRtzl.1AMjdqHl4hxPvKblxhQrRBbt01QAvWU96I8iBw2WL0vCbm1nh4SuXg0yxVFTwZnxEHkWouV.9RhBYbGcWSmSrKaxWX3mvq2y.UBd6QLzGGKj3WLoMNxddbhy4Ib0NHxJ4C_8TpAPnANxEcUiW.KwE91HVHZFxMjUeC0y7QITabFtUKKSlG1LXw4EDby2DWr9IBpObi.lJEi85M7ynnvW2iUnzxiLJgga8pjCH_4VLDQgXmc5TTkjHtvLtmSgtCYaaArO3CqeTe34zdgODI5KZW92ktMheXbjJz4KjDB6lKFwni4klEIkR9PMb7EzjN52yu6.pKMsJasL.o1K7jVOhbfGVB8rTzWRrRVR6vsvRfFhNgfJmn8GO51Ta5uK8Y1tL5FbSiZKqhtrkzzm2g1uVhIy8JpgBxyTQO6.Ww9shZSEkGRqB7gCEBKbxJxNmwnb84fOch0jHOETsM1c5ObPUDREpkYqE.10ELRyT919wz5ig956KjKB7XWamE.sAOkBCj7s9RhbU6haa5mAmjzhMcWmflIA_O.2HWwU9.3mMfvr5jya_55v5cHfKVmdIbuxHJaL3fKk4RbZN05EDlBM1z_lr3SbOfW3OHacCZJwANn5b1DofMOiVFxb9K19Ewbkri4envdOcbpb4s6nsyjtCI9uTIfwQNfNr5aKtZYJCKQpWpWNzwNeNer.HLIQ7XJ0i_unrCL2CJDnXtiwZi_MjU9O4A80P3x2mMT3h0Fl73wYILneuad3Ps8X.tGBMMqG5F2QurXATwbK6y.bklNPTc2j2GSWhwRhjc.yxrnANiuY9YMa1vyc.eCkjP64xOvoDuM2QUP2.A5FuBW_.ILaHGTipf9cG6RqWxTyoAsoOhOZouRs9ii.6ZMYaKYD.GfVvnRmjCx.T52OF6rMY3UWahJhwUE2IC6xOKEe4BdKex6FPwQ0OgmeEg2zmHagksk1qwAA0syl_bJX2yqZRzXuElpVuwD5QcdR0eoMmk7ZLmuwBVsWKkfcsUNIp18_mXRB84BnRqb37YOQLB7J4pEii4TR1YHnUwH0KJo80CDAGt01rzjulPvBNl8djR2BsY_8LK1O_PmBCnoGdtdd8odhKirhDyOtN_fmUkRuRZ_zPOkloziSYscWr8Cqsi0ksfydYpRVCIwVQTGkeKxYvf1JdirkfcpaNdRx86x0FRm8NLPE28Hqq0UYD7gulP_XURf0doOSX3GGXcFxfkBjNPyhHmdyOJ1w0KTqNsTmdt6id0EeOHc8b5kyK.1XOgOcFC_91j0WJJo.8WgnU0q0puNWJaouJqkZp75TZ8zdPHFBzlkPQQlK9KzW_BX3fmewIECM3iHnipcqn_Cy0ejTsvokMPQBNU2zpCQ5UbUIUBrxtgAzxQCDZ.MnRGGWHPCVTfZjAZ9LfvofGFYl.tL6Ev2q4gz0BZBkkGqFwghZf_YTQjlMkCcDXkBxrPwh_Jr_Lx5FK57ipEtMDmwKKqLTr6.RGnv5SLUlNCGtJT4BB6XEcYdOT.F04dRAuyLDXjyhL6Rte.19r3l2M20dzvpVJWwMZ1FmFdS1TpNq62e.6OJ3QZ0dokFshdoLq4ur8ycot8iRIXn4gBfWX7drtEMZ939iElja_JCh1ONFbOANomzSW3uV52zA7TZ4E28Y2uPT4uZL_aGb3cn_qdfrJxZNfuh59m8VTynTmeZL5oNbxPuAAibdRVzJs_ZMhsyAALYrLmCzCd6rjVnnhgW0_GkUGyblhS7.qpyAxjcSdu6X1uVKb.dbLtK7yPshbrN59M4l8A9U7VuWrto6R_E1YD6LX3cZE3wQCVgUZCn49hC5vsz4y_3IH6dwcW3bBVtA1UxmniVBRpo3xrMlU5Qo.sjmuyeY.Djhwi7x1kREnbSktJRAvgJM9hkyeK5fv8q54.TTQkUa0rfvNf9n1aYIMYFeVIiuqyBSJQW2D.1kkDyJyBUmAChPe1Erk_IJgGr4qsxT0b1IpFJYsqqXkfPSzOw9hm3pIAsm4NOMQ_pMEiigrzYR44NGNgMvztWgqX1PQ7uR8z2TwWmiSNEZ7PzFu97juyJBeNMGy726q_lgUP5puzznvwDGpe7_nnuJkb2",mdrd: "zSneUDBIOTvYPHzgie5fVntyLX2_Oh4l0amHaYy_AAk-1739178935-1.2.1.1-2mG1050uTjIaEuKe1tfllnkTJw1CLjO5FzJlN872cTmp46PSdWCrC5jvFdIk3kzX4QBQEW3ulkXqvtzhiCdRxRe2BnHG._5Q_twy4s2kW1vBS1deOZQ8W.ajA0AnaFLkzQtOAf1INMEpVOhoeBA5DlM3WJDOpdCFG.JhyqW5ULI1HGb9LWKrgc3MoiJ93d6r2MEkq6nKa0bZP7UHwZGWeJjiK.hdicm4M6hUi0bMFHfkJCJXhy9z8qW8KwkdZJfuE6LXvhWsvn.G95O0lRHgQ_vDN58DKOAFVLtBrH0_hbT7Akj156UQjInLHmLLuBHr9iC3fRb9yOy5ioWkNJkPZDDQxYga47olT0jBxk8MM4.33BXCsJmk1ArJYvHcguHPkuSkIXX1sTegoeLECFJAi5Cy7xnKP1snaYePQrg0I3eXTyhbBEJABQsRJoXbk2H9_oDOBdOL.zUZu4BmdW_g2aoBfiSUUxmYgwhmKHJ3KqvGiFHSz83MUuCvx9_fghv4c5yOBfGzeb1vYFdyCrUOQC79g75rQj8cXjZRC2BSMJJ8Bt1UEehm6rqgZzxblaVYH1ApMBPH4f12tNFLUEA4ScGFepkHcG1IFQe9DvvUYgkSEZ4Px1LehEhCAt0K5SV1J9RV.VTN1w_v5GY88uw0PuJA8CKLayrcriUJm.hBQpQorhPVo5rtnBwnQ33.uD4iSOemqY6CZVBjxLR0fkeFJ_yh_5gvB2r1FK9rNSBPHbTJAJn_wHYVHmdAn.sllw5MlK1xQrAL7RSQIdnuLiN3OXvEjdsdVhkj6uarEBAq9S7UxyGrlj9DntymogZaKcGkenkIE3qrfAZvHi7L7LkD9Xy0o4sRCML1hDv.gbi6yKG6WHs0cWYIPWdLCqABinGp4yfWAokrVQBBoKCZY7yagt0Q7D5Ihvp8vAdLDMOCbGCvFKUuJ7_cUby0F71rqgMWB.KFtwjiZ_sQBpeKGWaQWuBlv7Ik4TDoMYVvnjHiDRaCVzhKYlR4aq2SkWxY4aZ1.WKerTihPxUhjwmwx71P1QS97d3SgZmS44XOgtETwFIJIeWaMKYGuMW.50faMn0MMltlpY7luCWZOCh.voBVPqix1ol8024iq42h55jJkFxNIRTXCxQyGLJ6ayvBJjv7yK0lUmpk5CfQlCJnKHvzGF2yJMoT33TNJ57w6kbq8EQ2W39ue85TMcR3mk5wGBdciMERi8CB7F9sx.R9F_ZY6unX0oZ76lFvTBo_0xTuXojD2PkHZ09QtBG8XJGJ2lEepVgBXAHzf35pHjWuZGHVIaY1shYOYEgo2veUGhK36MXew6vwTsppnNOJk0gPR.u9CyGC3RtEU_9lcGjNVBzbmBEJBrHnm7GLsnAvcybMy3Zdh9UgTNSKrFTKuDhJlB9kqwz1phXQMSPnvE3IsLCba1pZJnhpfks3mg72CItAfdwyFFjWNUBFXuEQllwLQMbsI5RLJmQRfWh9dv.yse2ZHHdFWgIOJ74rw_9jek0eIR8kKlTdx_gjekCy3tP2nTHHv_32wfE2.oRXOlePmDvc0i8A5BCPGN5p9zLBPF2csFjA0.30i_VbYEC2WrQrNuQ0bmy5ZaEFWh7gyCiHRHe1W2aDSzzr_xp1eP9KdRprzE6ckeKJZeuxO1_hCCoszg0hzhQE0b8zO4FSMh.GA5vcixgkAFmsisxc66ba2SLdCGiYjZPQg8XM4rnMVoufkIc.b3vkMWKeMuZcxbPcn3Fsi55Hh17v.O91gu8sGAXx9_F5lLwWEETKsOv4w3XkYFDGlz6PgXURbfueCWCchQFH5w"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fafedadad68bbe';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\/7162539048?__cf_chl_rt_tk=7HfKwf.AXCzqq.xhOixj8apUvCTpHnHUI.2S1DSk1xI-1739178935-1.0.1.1-RgYbJjZnRmIriml7.FtU8t3bLYMeHIHil9H.v0gmG4w" + 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