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-affk1m6ot.mit-edu.top/post/8196503742

  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-affk1m6ot.mit-edu.top",cType: 'managed',cRay: '90f66dd54fc8172b',cH: 'fQ4jJQw5EEt6P6.EjS_an5iJvkcg.NC780RD2zVTRps-1739131052-1.2.1.1-DOktWhz0EBb0FrNlkSp20z6Kw2mUmmW2FcRzT1LR36SNx6lh7YUJ52XyPTItGbqB',cUPMDTk: "\/post\/8196503742?__cf_chl_tk=pP9FGs7KhSqaU2.lL9ZT_YqwKbNffPhGKeDIzBjv5S4-1739131052-1.0.1.1-hR0akrIIZzoSdMjLTAEkt4JOR8L3W2vbPWOKw69.kV0",cFPWv: 'g',cITimeS: '1739131052',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/8196503742?__cf_chl_f_tk=pP9FGs7KhSqaU2.lL9ZT_YqwKbNffPhGKeDIzBjv5S4-1739131052-1.0.1.1-hR0akrIIZzoSdMjLTAEkt4JOR8L3W2vbPWOKw69.kV0",md: "NYM58hkg2ZdcyAKKwTWq1hyMLCqMQQHecM0iz60LC2o-1739131052-1.2.1.1-86.uBBOGNMASTKlbQW.db37VOyNDZZ0HQTtkUK5X5EOnYMuP5LfAigUilblAgbtlRhOMKrfTsyK.s_pnC5z7v4HG1_hTONiWNRF7FLUfiPWkP6ZFxn0uJRa_tzoA53a7E2O8kqjcOzVvEm..tTt12rVyDju.JrBMc9pSfLvQh1Lj2vlo6_9YhAgT0u18CAYMgEEk5PytMZ6tXp6IiGDEdEJAQ4zIWFy2kIj_YlDw3lazGzd4td3kCv7N5Uv2MPAY7UQy1LLjv9E.19fYT_T1Z1MflPRGu7JmL5dMewHSKui8xs2zZT2D.i9xQy1ijcFIZ.Q3LqUg4y_W0TWs0tnDMXIGc7e1NqZzrLEV2UAXrhkGtkLmilnxvT6SfBmTQhpo7utwHMFJTXOH3T3Wg78Dp6AFRNlYZcSkNN3UDAC7.RkyImW3OTdEuOdy1pee_UJ_wcjFB7QZJDWehM_SshSIgHQRNB9nWGTCYDOR61mx4wwb4Lj.svz3nbu5a.GlDIcT9Z2VnSF4tcUKvOrFhcrRhDqYuj6IuHQEB3zac01uTqD0sOtnvD3zhHOSiIEP_KwSpRJ5mHp9X3G0dF40q9zl1Q_ReiiiLOxeMh.heT9MS4faTKRPOlvxvpN4sHFCYuAYd4d3AM_RnSHCj6cjrh5pGUydargVqbmqaekFRojg31HyM_7SJr_xDg3JInZpB2XJZCb4pNvVcg.GaLhphlgySRCGyybtfQom.stw2nWFMxrdaUx_woFGYVIa5RrbHJvjV7HAb.HI7lCNC0GN3jxLdx4WrG2Z24FmlY5szlIEQjMrqCSV_q5OcZyuU7rRlxBSl605lS.XEM.fbWLVVaDWAFDhMHz.r5ucwoS.eQMP8EyZ3UCA1hm6.GlbExeM7htZnh0KuNw9QTxiwSTe.ZnRGLP0DS5NLXJ0hasX6jUbFioIoU96qOp7rqrAEogETVZj1ORXlKWuHYen_Ych6bqZn1KgM9naJ6eR6j02gRodqazq8vbLzZV_LXjhTPbaQCAppiK79oIf4LbpL1ac2.eSHkW0zP8WYSmgoK8EFz3ZsygvKB0dws.cMWhaZOMyTm2j5C_Jcf1qk9Hb1cmcJSAXpB7nfKup2tHL3QYGare8_TwmJbXMBjg78mJqdmk2fRMk8nxkK1LTiR6mEVrQdp_aJJl_UK1OJjAeRPqM7FDNn.mhB8g7wVB_CQXP3O9_ZG1QmwiWPaQsxrJLYG7cxlLLzJHGCms.QIePHfNnND02vK4CU1gEdbJXbyrlgsnAlIT8r96OqN1W4q7jXi4ZR5Mw_lcM.ymtPHS5lOrxMQ1c9wdeBODJ3faW4Zk7_tAoYJeJKHArgXZhhjk30CZxo4a8mR00vgTUQtgzrGgcXpIwAqXcAplBUiQS9ZOztE.F4W2eOxpz40FsBtzaf8rJ0MuiI6I8k1MX1Yys44144g59VNBIsS.nprMr.rS_DiAr78RvPtBHGzN32P5cdsN29vyE0bCAomtieAEDxSR.1kTNRx3zk8KeKmSrnOo_Ey8wcpSDySguRVL37MMQo6gKDC40AC6PTM59vPe34o9xAQ.F14r0xHvT.IFN2I_.xOabfUfw8baTSpte9TK8oID4EclwGxCDr1K1H0a4iT6JmVgay_dSmDC93IcAcwgyUJ2UcnItC5zXrHshPvIx3bwApulJINYhCq9BpbIWYOdfVxAYDa5rRiDPYwiRcV0OG0rrPcjjm3veazeZ3PpayhNAdytSLVPY6xlRuAUTcMi5VdgwN4VW7_4tE2_mcZqNjt6O9SsLyUz8_XH0jlM4cN07U3df5lq1gXy0bg_KBaYKTHnGJ6tKgC1V6ehx4tf5QV7I3wukf1xOy8mu6Odzp4nNkGnxUEYG9PB1WDwl90tYTtfL3nEARqrq7GryYuDCyMT7LvJsKYXNA4W_DhCypCv5AGsyQ5lIhgwyD1xBb9pmLlbA099WyjLCHbCf_.cF5xu_KmGp3KYt93aK52ij2ELO26Fk4JAGhMRjR5fWh1_ixGH7PWY6ObT1uUQlDx5tB417F5zi5N6_RShmDkwIcNp3BMInlfghrXz3cvYsTa4yJOLtD4fL4n9GMOO_kJ3TDy5K68Uu_Bl5Rf0f1Sj6kJ2P7IkWSM_GAzibff_UGe6J3tTpNlCZl405GBzmS.NZFAORY_MR1oAWEtHxqjQJiDmvB1FRFRtmxyIp18GIcJcdhI7wjHNm2DPZhoiZc0JNr9phooN0",mdrd: "CNsxx6GLstNDBqwG_pE7KDQrJBda4dtCimM4hLPG8UI-1739131052-1.2.1.1-Ga_x9mYz2TVUKDviNRcYS_8siXyI0ij1Rv27MNDqItyKypkukaDILaWdhx5BNn_qufIHxK6JFw7LjCKHUKwWgHu0k6U9MqO.xkkrFiQJs0RhD_OFVZ1XiG10lWi75o00mOo5TGAZbX5vMKpMuSJD15sRWP6cnYVWdEbISyPC.tOqdwGBH9pRqfgtx0ZzvFa26BzMROK..IKoE44ZmQZTDsZYInBbyU5Qgu361C7xXO2tOI4SpSbgkAuABhxtIdgzXkNGlTpbJaMhbWWP3w6o_7w1LNATZMwl.4Zob6lEhd_ar2_HmJzirZi8LsaE27G_uNxaQNfA7KTKTOq0WLwZfg0PvOYmea_XlSJdVsUW3hZQBUsD6R4hpMaErCTT0BdLFib0I5kaesezbycTMde6ckeXHcqPoND7hsZhGOJ.uTE7MBQCD_t9rZP7UeJQqoMa_24pc9WL8MV3uVf0q0WYTcznBEen2XPX1cbdk0PyrbeFql1PSOFL6eg3OsV_KMywdIH0aqlTT2Wd0_5Ygr1W5gUoYzLS95h1HVf8D7ri54b7lUlSYDf6dvbPmINhRNrqpgfSQJlcPrnLybnSlZhKbIuwhsHXgRxpz8xP33h7XxV3.E5pG2BvQmjqaXjBDRO1eMKAGg7FBvfO69QI4LdlxPVARtI_WOtg5CHaC5mHxlmwzEgBIkXD5bcqpToqzfMpCmZ1bmqOtBiP8AhyoqqeFmBcLkcq2EjMpxRRs7fmIRaARUN5fznk2J61HcoQ0_QBBuEdtSOvTx15CLbMPmHF8OOhGeSpJYdZbtdD_eYcrUpfmlbrUJx18rm9uilgMODq7.5M640icyF8o.E5bH.7D9cdbWVBkVnSSM_owpKhaQKVy_y.6eYLcJOmwRmn.V.5TlwpqN6PrRaB6metF6Bja2ZNij6Q0yQYBGEg51iryHTQpHN0PlGiZSFpMnqYZSDdh.TrpWCXGQCHQtcwjh_Tpzcag978YILvuiPwhSNxmhQ0ZiSmumWViuRP1lkZVB1V0jbJgA6Mzgr4mRhnv5Go3fiS8EvKlgO6_zL_zrn2lIUeaRvyNIEXSHRT6I5TqC8tUbCYdQqC9_Sc7G5VXVr.7mT3l.wBCnGQnZ1lRzACAb_ZoxLXtMfPED_H4pAUz34rfzVkq7t45JqFS8XIKaPIKifd26EZqSFnaGw14ysRuuPfyqlpsfG6K1SiTlycKc.qPsgPycXg5tF58rw1eXzrSu_R1ZiReVsV30Vvv4_sdCDdx_2vXwxmhNyJsuT45xWxp_GeZqDLnDBYFIngNVv_u653GiXoo3thhi5SzSFM8X8y0pbrCPl3pc1dWtJTuQT7aROmU9jbTPxI.i2jhvfRJ1Xk.iqbuLNft0X1hSnbFVrZa8SW5jfMym4mavYu0pO0JP_jN6l9o1oRMKae9jSXhUXJSBQusUzW_0BPvrAuIoPFxAKLetbtCyDdrlwearL0TCsy_9rQYMjQAyoQ21O6KJSJEtzPldxUJqoiel.bUoUOy1l_2D5XOQauozgLuxuj5y9unBpa3kS2E8qPgQbeo7reVaNj8iB1Oyko_oelZYKUhFeC58hyG8wPiVsqj6pW_4_zVL34QEewzJw5yoBNMX0p5XfVPgOH_5AZ7.opVqUld8_PtDU_nbfd0NSDOx4KCYXb0baGxcfW4nb0w40F7RJFtUHDojSR6sVRXa_TUoe6LDY8dCN7Mq.86qidPSS9s38OWfetKCga_1T2HTmRS9hUoI1IDFGXNTIsruM.2GQIkFf5p8JrJee3CyNsAenAIgM_iwwkYnEHOQs.1.wg_pFL40CvwN5UF5M33PNUbKc"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f66dd54fc8172b';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\/8196503742?__cf_chl_rt_tk=pP9FGs7KhSqaU2.lL9ZT_YqwKbNffPhGKeDIzBjv5S4-1739131052-1.0.1.1-hR0akrIIZzoSdMjLTAEkt4JOR8L3W2vbPWOKw69.kV0" + 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