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-affeoaefd.mit-edu.top/post/6702395481

  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-affeoaefd.mit-edu.top",cType: 'managed',cRay: '90fadab728fd824e',cH: '0hHLQcwy6YlUuxMJQIrLQc5U2caeEYdARhYy5Eji_.s-1739177455-1.2.1.1-TFGTPTlPZleCefbcZXvgRRA_Mjtn5n47WmuGwueFLiyonu6bbN.D2KCA8PtqM7E8',cUPMDTk: "\/post\/6702395481?__cf_chl_tk=Y7DKr.sqAJAyniTlpoDH_smwFRxlANJrJbkFTWNpkKU-1739177455-1.0.1.1-P.AILYIuHUb78MoXYGFBvCBU.1s5GgbqxFAlImT4Cnc",cFPWv: 'g',cITimeS: '1739177455',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/6702395481?__cf_chl_f_tk=Y7DKr.sqAJAyniTlpoDH_smwFRxlANJrJbkFTWNpkKU-1739177455-1.0.1.1-P.AILYIuHUb78MoXYGFBvCBU.1s5GgbqxFAlImT4Cnc",md: "cZ_gKIaD2jkjZVkU575LQ0dvnWmxbMk7FjmX.1K0Ul8-1739177455-1.2.1.1-EVhz02nlJGUglZgC1JtbKemYdBxBkRtZ8O4ZBcEg4cgYY3MvGD8915Otta2gfz_dG53El5K6D2f.qS7rYM0zAm.ti_PX.JMUCBtSlc8aT3Z4Mi3dHUwWPfkKmnArcqwa84QApCrrf0VTmCwkNvAcx5FlEVAgU20qMNRgeM9zOonuZ_hIlrFww41WrUSZLBKoZRif1lIFvpGuk0gEV8daT8nSwLCTbIUPqHvzLpYW9jixUmx3e0O3npExiOGdAAEBpawiot6pYN0zGeBuC1WgHffWvjCzg.lobaMwNS2ykk5QT5iJdVLVYr9rPC65tJqhYWJMAV8.rhu_HZR3ZWwyP0ExK9YGug4NY_cuipWm80CgdaJ.yIQN6GVZCwk8QLD5dP.0ysPt0cUIr649s_z7zzmyRicBwafDRowgEPdERDfMk4jRx50qDgY2V7v0Z.cuH9JOV0k1OU0EiaSCFzALhqiT1jjtrQAtGOl8n4pGFdaohDM6DqNO6MwU6cKYW3z3sA2GvxK7qKQ5SzlQajUeFcSB0pJ1_J4Hpm2.D5kgzHCVolhfUZejjyIiOu77wwy_2l04gyRc3F.HrcbCkic7n4XT8hOkga8fo8cKFm_fT34k3HCFOjA6OpIHITA9NEI.yRwBn2LmFOVyxwg5UaLCHhl_NUdsaXZzWaNZpMtNSA.P7nvUeqazl8lxNRE.PrefitlSo_KCF1MPR.WnEoCiLpVhgOGK48WR4u_rW9ev0gSs1URvhZ2YnNDGmdNk2W8t0Jvi9P34fbTV.AuHAkJSVH4OQPBXEy3m2.uIKNQN7KannyYv0N7C3Db9JvZFe_YK3GP7jJCkguQ1BfFtPUnV_fA.mcfTLo4owGsEXDSWR68uhkNrLLQnnSwvroxTdMBtV7.ucDAq6XAt1WAct3D23RwOL62SBaqW0SWBBpMBjj5fhkKijFEklcJVcFCloUXlXmwVMBdzNKO29hk7HXcUQEKEQDUe60F7bc9SLIkMgjh8.adVFZ1RBf3I2LMh0gyAXsZW0DIcMLQfkDZQWgIWkgT9LXlzrpIEdiVNOHm6fJHRAW8SaWPPrj.VS33.aCE1L.EMBRzc23HNMzvU7Lndbkomh64IKdOxD5Mj8Ozdi4AzIR3zs_aG9zA8F5.MEmujTPzA5kOn.uwxH0yo7Yei.mqCGsGtpWdpehvFi86QV.ZkL.Lb5RGwX9HE2K.m5SxSb2OPh691H7PzyqpNZb8jJr6Fhareb52pTAsguAuM_R6vPDoO0f0i0YlYOjF948RcfvPYu.CTxJUBz0EUbZNw7yPGWDCt29.wx18c0ShK34oZdvc2BbTcWCwnkN1dqTvO7qXQrwpyIpdysomoUSiLyYmOz8CLNch2.vdGi051IANMNIB_Va6OYOR.hVByw76fm52OiIIJVM0tsu6m21B7.nII7uOYQejkDDTuwFrium319UeaoT6s0JsqK3fuUWkEQoiQCEAYmqJGO_hI_HzwKh1gW1kvaVXtqqOZVUL227V2snB22uYr7akQ.4fGdOh7n.5aii8RLlqIfSFrUuP0aNeGxuC598FwRi_lQzhnHitanAcndbJRR7OCWe_M9lHlzUG7Kl.AQPT6n1LAco2OJhFSO7IN3a6envidNEr2h1_PWQlJo5XXTyScAT0SVKYwJEgNcn3XxzIMACD10PTdqxmnhIzpOwuwra_aWtuqXZgEH_bOD5IWTAkzY4vRCRxs8G6th7FXsyqe4QxJCEoOUeu2gP0tJtpThm0vOgbiQ.1OfcBQ9ROomiFVB35egCu1OE_V6Rkh0o0EmaeyDqJtWEkKUzLRfFcTLhLn8Q.RLaxD5krpLE0h_LLKl0.RPH.snDM3axNyEdP3K.JwItbDRzzry9TEQAgxfmLkp_GHD1ogGDn9mufHDKppIUEEyUmzXKrRUaFbBJTvWdQLRU7C.rV4XvlBnALEm3_n_nsfpd5lj7DP2awrU.lLxt9liXUqWAqQGSD2V2y0muhXQpJByAGu6QmoRPJlg_gZ8IaHpXZotWffS1FUoK2qngFyk5K.HdM0iWkeoKXksnvjl.ixkRYfs880uHovl.xJvWpkadmdEaCVnKL.iQWxb_ZyIbIOp4RQ.YmAx4K3uny6A8GKmcwuwe0cvE7yakWUZiI2viS16CpY5hQ2cpZt8Ju9UppIRL9J5OgBrizMOPeiwBtvDgeTqDxu4hgRleVnGc7ajALSjE.LoOxkQpmRmvUnBbbp",mdrd: "Jdx.SuLm_EloE67ZR.fWNoqpOcGTpfNmwIv.X6Lr88E-1739177455-1.2.1.1-V8FQxeKwn5a_qhWhcxpaDVo6kIHC9H3d5j0ukNg0OtVM.qQ7bq_n9WrFZMrYOilGMNP51YWgPe1MmWNdiER5_p0AI2rlNwSNlapModv_0e8HSR9TT4.bkvtU4HuGIXg2ww5fmzfrXtLg58wOsXFKoglGiRw19cdk2HxmrPojyfp4nEPjGH1Av1t25RmTsUdH_BLUe6GyNdsjaz.eLLD25TtLHFukORrHuUPrv_HH14NMQ0hoFLLjnCEqrZZd7RuIcXylt1zmnHbiCLLqLMw.R9oC9OqfZ6VyXUfMgD9jb8HoZ9Ow4IPVKk05IAQA4wA_5M8T7x_LPpnDC5hXKmxkCZc0ufoc8Il9cljCcH_BrWtXUpH_8o3bG6ud5qj.mV7UcCv4XeCpPrkxGPA9vCypyALeOl49hPDrlcqOBs31z05Q6bpmpaj_FXPde7nRkYeQEHcdFS1OcqRnWBdFB2einxjmo.usCmqGJPGf9CHBMqQC_v5lXlE8lb26XQkhlt267i091xcN9yvvF1Lne3HI_QYqb.UaxxHc._bgHMSc3XlNfw2JDL8W2raAEADzJDt4ELZargqxas7LJqJJuAT6eGvLIg5QDMQgRiIE_lnzBoBLpOZdMqiBXlvJP8UbbhOgOXT0RKx5ySM_3OFPTOK2tKQXlUr_FDmrd2DwCLcMRgjRNYFVXIPVpupNVQSzHSetxuiydUYCZl2YmMYxW6QXrScNuvYzCHwyg8gh4FKfnCaDBMEBHbfEFDmjd2blii7XcyXJ4AsiTE3UYHvJuHcxLaGZfAeJDzRdQpZ_oUyxjVJmwyntQSScCOqDtt2n5a0W3XNnJJ_9G.HPnYT96auYCxtJOL5KG5zF.aAMTd8r1dlP3xdsmBMxf.re6w7dIr802l.Y4MCMS8d1PztJG8uXNqFpt9rESSXSGpHcJrYJobx793JvF111jNaf6ylrEy.Up1KY3zlEpDVj0kuJ02YKqgnaPGUeIJnHfpbWCIKL2lBZ7VN6xHt79kZnxGRCaz8TG2H_SDxeas_RtWBNWSEqFtGgrn413iVzBuXxdyGfWecnW.wfIHCXLsXDpRhHZXaboKL.z0Px1qyYN_qEDTDsj8Izh7hsClh3FXf8X7yaG1VQaVmDz4EFWVTTCEMYqV.ahooryqFA55Ayppb8Ulo.m96BbGtVqA3QEFN4IUf8gN2iAdK133JiWEdwXjOvR7oK_RUzHt1oE71mqe0f8bJCIKT1_AHvj.C3Ec3dNAtloZiDEIGQcpujrkynABspfOJKTIh_nKukFm7zuz4N8.pXT6hTq9xUKfD.pG2u8WEFKxLX.biD.Pswh4yc6OHeCOKfXmLv.WL4iqhiO7X0w59hn3IV62wHokN350ENyEn7atIpKkh3mBfQRtcZOfAwSc5.QYD9OdQGK5dwvQmD6pBofNe7EzsVdhnMGL6KjvjAy.MdSDgijq5J5zFFKtPuBrpo0YhgZw.jbp.aDaGZb3DoFWUcdGQzj.rhFCM9TBloxVShnoO03MhhlNrPW9o8Zlkd16IIHd6xGvA3kOruvtyu4W7h2zU6gjrWTP6ptakdhkKD7kY3TR9JHy4u_a4l8wPD2PNIApDDgqJv5J.yFhcPXqHevSXswPwqNJQFli7qrAuJVzjxMJm2g9b3cpXs7lus_izeHdCoFicr3CPcYK29NguKMeJAX2wuyYM9gZDYcK9BnJcgdlKT.UiQ7THpKlCjcD6QJBY_XgaMAX_h8HaQScoKZrqcyklzZ.iUTKGU5MuTW7WxuW6DBc5S36brdY6c5Ha0d18qysXLzqc1XvK4EdP9fDOT9XET.tOLErlxzBs"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fadab728fd824e';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\/6702395481?__cf_chl_rt_tk=Y7DKr.sqAJAyniTlpoDH_smwFRxlANJrJbkFTWNpkKU-1739177455-1.0.1.1-P.AILYIuHUb78MoXYGFBvCBU.1s5GgbqxFAlImT4Cnc" + 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