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://linma5.mit-edu.top/post/5147092386

  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: "linma5.mit-edu.top",cType: 'managed',cRay: '90f3afc22eb8801e',cH: 'FQPvifE.FDGcL8L09kiJslQTXtHUu7LiuaTs67mncjg-1739102295-1.2.1.1-9DS0P1C.9C1rQzbvwI9_WT_klrfcCda6EXkk46l9f3ksB1EnIRalKjj7ZopzwGsZ',cUPMDTk: "\/post\/5147092386?__cf_chl_tk=a6.gJH9EqILf7Prc5lChH38nfeAfZV3fUrbMtMQ6rEQ-1739102295-1.0.1.1-ZhAeGmYlQrZzt2XqGzTGNToUa1bjNxWd5n2q6ALWzcc",cFPWv: 'g',cITimeS: '1739102295',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5147092386?__cf_chl_f_tk=a6.gJH9EqILf7Prc5lChH38nfeAfZV3fUrbMtMQ6rEQ-1739102295-1.0.1.1-ZhAeGmYlQrZzt2XqGzTGNToUa1bjNxWd5n2q6ALWzcc",md: "oHtNxVnK7pztKfy_WQR3Iof4g9VEYSEZbAlDiuRd9tU-1739102295-1.2.1.1-AIw_cXbwuuQ7vz81Bu6U6miRyb0CI3o4cWjDX5ICQ2bBTQKD4sDemEu8lAQ6n1sL7slnb1lLyQbgHL2pYNtzJ4jTT6cqWW6e8pw6VFw6pcNUVbP28kDoPx0Nplc3rWaSeQ3aRK5fOWR.hhNZvpFxKTD5yiLTV8Uw_shPhj25g.8Yj3Fe_uZASh.LflmLcdge5cplg1Rmg4ewNnXyNSeXklhtC0iSrOm5vywDbBbQoyn1mSSgk7SuotnmLzBlbhpeRDpFpy02NqY3QvbwQA0eqG_PnPbvzUebKEYYmNRZM8HB3FRVELPcEH9HP2lOCjT1bprrzhvjliq0.f7LpSZ7GqjglDdLMp2SdZ5u43rJ53fS0wp_T71zqWRUxoGMsoEF2tyJ7e_iVUCM002BByefWb5Wq8MzehhLZmQ790Fp8FM8LbP1z6X9c4JWqVeuSQxY0bDj2__qqB_y7WWIRvvSiYowGoIzrRbFOqaJat8EWr3r_m0.4pqdSF5L6yPDRfq469FNcGpoX2DSw.Xp.wqtYkuRKe7aX4L1Ne12JtxGdQ3OeKgHpwGNm2HIFW9ukgaBA8NaxvxTR5SE24ye8dyqbDGfxYp7dqYSz.g0aRdNM3bmuovs7cZbFVN7fGKwJV3GW5VGHvhvzvYRwbuPOwlp3uYgyU7fuwpX9D174piDXz4GWWX1HCIKqaCimhcepDK2LeULoUy86uvz3vOMdmqA3CtAtYFp_iLVapd_6AFtGZF4.WUuc6sdp_g3metDTqjpTx_O6p0RsXY_cGCQBe0Mq_m8LVdHg0WubnP93QfIAh50Cgby_cSyett4KgKxMum5zIQ_TuPrJUWTQ_WcfHtzZCs7GTvYlbyOzW1YOonL4sWngZG3QbIIm8TqpiZvRjWS_b3qoLT3T.NMfwJAXELdUcHXMymcunsocv1OHfAA8o35T5zEYPm_4i3_BjLXbbSU3VcNs2wWQtO9Yenz0aZqBHNv9zoU78h4JlP24zSyz3dgcyNhx3YXyHgS0jjEtH7rbB.Kw4i4gwmL0XnKOb5CCOg4Zbl_ykaCbowRryLwnnNMDphe_zIrhJ6mIj5UWfItmm8jwozqVRqJh51gZjLXqNuxb844O7vu7e.K1EVGD7xDHcVEx1ebgK7VVpHSXYOaiNSdwDHYZ9nyALrweDWYmc0AVL2ePWwERdtpBr4BPv2Ddfl4i6scuoN5RzmCM4YZ.Ey0m.P0U8KHBrgZbhBnGXu0ZGfen1aLTCpbryV0wQTnKU6F8wF7RxGRhd9uEIpxqdK8q0OJyh5SgDuaAQ5lIu6YxYpJuq4c.ln7GbocothtGExj_AYNr894q34BPyTg14FkEDMwVqioiuRO0JOkK0AYh6Lm.zQktYHwUzBoD8Tr9Ykq7_CeBEY.zPDqrRAEIumeWGJkoLiyGysSC9GI2kl088nWRXYjzjYw9ZwqlwXxJtEZ_rr4j2zytD0lQBTGmYNDq_wIz65gDQpTrfjq9t4nPqdJGa4lkArjkoB64RgMKdgZg6mOtcI2TbnIqJLWuemaAL6i6Cai0vCn.0kEE7fHK8efwhXVwHqlCqe.u_NrC_8qSdUH.kPPxHF9Zx986AN.cJcs2nlQr6bYYg.wM0H_fAptkISL9iIYBYwLAwVi5bQXyoIvOM3YEBoVtPr2Yfd3dxWBga02QXD.iV60BfmF7j5sGVP77n9Hjx2Xum8CRDJnTsFCuSQfDKWXr2MJq9kEdGJhyp.yWwO8kSbEKPve_Q0stFq57SfhJ6V_7Rv_WdYhy3uJwgmu7zJn2A57zpxy1uuYK82scXo9HYRZQTg2mWvzrTl_hoWs01olhzoKlvQXQsPTqxquCaLG0_YSvZNvTEc2EIdxem6iy4qMfZxFhttNx_iVr8PAyuv5h2KbPSoY2CXwopR0qP0NA1RcBCWPIScuoz.Cl2vmPzLTFre1LS8X5I33lO0lBsMFOk1n.WsXxawBU_BMMxWFN9SvTdGUKg30TQkjZXN14LCJnVV7JZYf3iH3dlZNWRK3sPrWb6ynwS82OjakN7q8fZy2AJGmn.bn9sVfNHZ5IFVNMNtFyTz1BP96.vqrfZVujGFV5K.88KdFMh7KCz5GzxuEdh686dah2HPwwtfrY7hKzZmGC1LCu7eHWMvBnSj7UqnTGk6g.78SnO77tPuLppYlaRGOhyKSsKsMqi0zD.YOsAkKI0VQwSuHjcxuTAHWfC8",mdrd: "CrHnbdmGdQ.PMxHyHQcejlX0meIRLrKm3R39pJbjgp0-1739102295-1.2.1.1-aQ7uKdkwR92ZLYnEoQFiaWn6PVn6E52goqr24KNxDIBD1CpvzaI6MVBoR.wjg8XgfnlSwMC4t8GxVOWoE7LKDAfhbHWkJlkf24rG5J7HuXiHZwqy9nindRmPZbMBquH7LGUU2sQBfNNb6wgAgFGPKUOgi5TVKRlt4Ung2QlrEsjXBcooHajEn37j796Mnf.0SU9PHnkpLThdID1yVk9.Ehl5kzBYGz7miOrOwsjC3Q9UgxA2_g.rSIuHJJbUhpmTpjwRIFzqf2XIP4iIVRC04x4gsGGzY5aYiUZO.0z9LEFHS566KcpO5taLGFtN3Ye54iJh1Z3LHby6ktXi.waWSfs4uNlb4_Pmx85PTqLXh9l6j2DB1yQlyD.qeWL._giyTsuTSD2f2RdpvVrhgLWwTwrl1fxFSzHI0w7cLgAR0LM_R2O0kQ_ISrcRdaUdBUCZ0pLWfSY7hU89eRjR9Kro6IvDPPYxilXJSczT9Y1FNxev6TjF1J4NM93fR57jwj5q4IBFXocXBzOJzfj9tEqnWdDE4NM6j2GcmWwByigu8L3TsSzV.2ab_bZ_Ec3vuTnXLvNN8Jr0NoJGQNe9X3qW0xnKowadwqQ0IBBWEP1O_qcZyoN8wwzPf8o9OGn4BiM3PlaOh1da8yegW83IEsKP1aUHSnm2vKOu_O7rj2w5xRDzjhlKJ0OiHp9Tho0_crRKz6dVEVknsaAlIAiYjdB0KJmowxeeCuvOdmobBtNsSiNESA2QxRKb39_VREBLj4VDfkTbYC9dhyqyT4ab7J2YgRN9.a40HbiL__XZmDBFQBHmmI124gqmv_C_ftUgzfSNN.qc5L6icvd7VpM5lZiOxqAKzsFK3SXGIbXLPZObwE_rS_L2P6sTYFiHsQg0gVtKQNSz.ZvZu5YNckZhMVi9JC0mGtb5vnXNhCLcX50JkjVYaVwRaDS6XtutseHPAUOceBjOY0Dhzziim1bzQtHY38HqJ.Ee0CVTog9F1AJrKQ5pNH7aquaWWzEPx63dQiFVMhG0P6G.tGtfiCikR8Ad_sNMf2Xi00iv0V5MpNWHkZI3sRVdAB4Wadv_sbPAkXsqvma4qcL6EhJJ6V6fA0KFkld_8dekLoWsW0kqZ2g6W056VXdhu7X81aK23kAWg2llexkYef37yIoqLV.2qaM4W1fyzgn2AByvJfo41rFgvI_PGL6MvyGgFKQznT8Moh6uUy4t47h9MmGVeE9E3Lq8E23ppsTydlTxYn.GEh26cBG7lcNKS3gwO_.PDSfdF7PnffDXKyFyWMl0kUdV.WfnvViqQixoCYNCoDITy4vuWuoArGdVv6iuqO79RzM_cQuMkGHnCD2TLFRB1mJO_DE6NuKzTuI2NZxx78biHr1YDDqVP5XNHykvLaq1OqMxhHW.kb0kWewu0c9upQbsQlFcDR4yQ.fXaz1mV3yfhavsvJcvkiQj7LP7YizHQfZs_NjcVIXAhgTeWF1WWODDJDrw5spfp6sb3mka3L7VBCRjFPp6OgfFgHshlWB3qF8p23sTy3UAtp8HxuY0DqYS9H1Z_Ab8F9wpc248l7M0oozHGn00IvO0I9qWKu4lqseDJlCFFxxrDhed6byXWp7NAD2P5CAr4aLfJLXNqolq5XdoV4XiFPuu071V28BFcYl2oRyBEvEfg0.h.cMTJ_zOOkqpuZG21sgPSJR.yUP403Ic.6ZpWqtyuDpx8Oz_bHr_izPoXjHKxBu8cFVx53b1dcT2DvvyVs2QvPR4lkj6IoBsdur61TokyHaR9u7V2LtO44sYJKreI8jywGTyGH3VztnBODco4ul90bxYcW8lF8l1fLU"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f3afc22eb8801e';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\/5147092386?__cf_chl_rt_tk=a6.gJH9EqILf7Prc5lChH38nfeAfZV3fUrbMtMQ6rEQ-1739102295-1.0.1.1-ZhAeGmYlQrZzt2XqGzTGNToUa1bjNxWd5n2q6ALWzcc" + 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