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-552197121186.mit-edu.top/post/1462395078

  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-552197121186.mit-edu.top",cType: 'managed',cRay: '90f7eb97ff01e604',cH: '2vngjXVJ7CeiCG.9m7fciYMc1yUQFEoo3xVXonDilYI-1739146689-1.2.1.1-ejhksCE7ltdM5EA429.zLDDi9zNABuoBy9xHtTSYKpX7LJFMootUBOoW44qWu6p1',cUPMDTk: "\/post\/1462395078?__cf_chl_tk=5HeYlGLpbMw4ZZ1lT4Gy2xoLJrpj3vqQQir57iiOKCI-1739146689-1.0.1.1-.4GPZa7tAZ0WbMV9tx0HJ0qWY3Zt8SvXaBjdwLXbj94",cFPWv: 'g',cITimeS: '1739146689',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1462395078?__cf_chl_f_tk=5HeYlGLpbMw4ZZ1lT4Gy2xoLJrpj3vqQQir57iiOKCI-1739146689-1.0.1.1-.4GPZa7tAZ0WbMV9tx0HJ0qWY3Zt8SvXaBjdwLXbj94",md: ".gq64DM.ZS4XvcvigbjN9UxMUTXsP1mtFQYkxcZFs84-1739146689-1.2.1.1-XLsdeX_fcPhboLI82DvmjvmEyA.FokyyRFRadqwyMmIqyVnCOpdSLP0eiMbLSoydtsJjTIOpOqOYizfgCreSHXA.DKx3TP63.FtYwJoQR.u8.Fv8bsAiFktlCw38rHL_vRkM6tG2BKjBRReYIXXywuzTUt2kBWJ3jx3PwFOi5cB_i29evmfSIpajJTOmAKIhOHliSeDYIEii7xYBmxYDnkpWBJ8APz9_hlDCsFcpgjiuFtDhM04HcNrsPr7mp5LDvMwtsgdw._HR7GyRmsmoRgu.9eHqodF60IeTVDoVR.oe9OsIy8ycKTYqvoq2eTkC0zSCgeEAiphgdfSARgsB9IdrzTF4QxTdCH6V3Gs3ifANznxgMwe7pMPWff9acc_Mxm4a6W61A4bRgKqXGVBA72lAtvxvCen9SE.btxLx3evjOBIgJq2wIPfXkBDOkC0D0qHRUD6_15zw9TThO2GVEM3v1lLmeJPTCuaTqFTDlOc2dgW54qdjb.LzSPQOjdyIwHx4EuD5XhZt1PSHDOpVmms8qPx7CsfHnRE0uBrL51V2DCzJWaRMSBqvJr1sjX_6_tk3ugt2kpLJ2QwKemBsKEuljWhStqLk8tJz7gjRsQSNszaM2ef38hOd8JXzrh5BqeGqeN4LvNxOVPY4MDAZG1qQ8_YpwbIvH2Sf_dsARmfXnkC2guwtkeGaZEMORLdznzxOmzIyWF6N7PShG.EELolTf28Wead7ayQ0jTTFMtflGQ0NNt1i0duFhKR4NLNMOTX_gl7ZH8c3bCdRCtlap5EMC9aHcPFWJiM8syqMa1kkNI61z7Llj4KhmAdmKXQshTUWKX0agdhTpdO2wDh9qJu_q2K08j9NAZ.bUiCEnTn_1ui5uns8aLRJWZDOK.RolmQSsQ8VLe_gnIJkFTI9U6niXNYOKKfjO8fuHRaGazJ6A.Y5NJhr1KYqeQBfrtXCIMMgrTfImSW0bCcOPMlf6xfYyU_ZklnWTnqIamKpO.b.zR3d6np7XVeSuWGEn8HCc8wGKRPFGY1hn0wYOGeAw7XZlRnDWnhjs9Q2qNsFxsYq8tfTBj9P2lujqyTYkswuF42HyuOeMsNM7DDJaoEvRKnwwCxU9yI8h17Rb4AEsyE7reibjrf8petMJ4g3BAxw7papD9wXhe5plSmXgS0ZJjRystzZsSts3mdkxr08QUOsbY_eRxcV1Kwo0nZ_sKJn8Qsah6NANOSHUcAUnUaRUADPGp4Gu22Gqd_Bhy2aU9Eq2cqTaiV8E.Dc0PE8dABPnOmUlBiAaE9.rRN7L7yr9emSyyfUaExMpVbhkSIofYTZpOQ5GAW03j7xqtk1yGWjMwhD71fRRpjN3DykwsdF0dBAV..NuUob.Oq.7wd0kxFwzDcYs46tMeVSwi3rxpszq0KItLp5b40aJLPPO.Yj74gNyP1r0F6TuHwa26XZ2cuMR6Ie7ViBmtvdeyXu0t7LxXAnnF_MpJc9IhC5YRQ1vMxX_RFkBVuChVJ_3rz5GhR9KwNpaIvUd1flvClv2Z1NxuGjs06eoDzghd7LHzDpvOFOkPV3IwwgyH_UL8lLNbR2DaeFDNRetCpqwSWwujQZXpIOgUz.QlCwWzLK1BEeaYXpccM7YPq6sjPjDf0R1s0sUKN5SQoI5yUeim1_z.8m7ceJ.fhJQEuc5ObTHN_gcVlqRelEEr9bKa.FOLISEI3E_wBr7rAVJ6xuNNFzqThrLBn9VmEreRxRtjNAy4muMCIPnWfbCCZQKKk4h.sA7WCUiOllEQ8PSAOeaL3rvEXUX_6Cjwp5yFKWAkc2ZMFa70nkgjVClLvc2GmUHQKWUMN1G4C_Ehc5EzWgNk8heEIRXCDEhGK2lgMYhckqIIo0nFgMSYkEbKnwBD_MfkLviiN2uJbk6Yal0Enx8uMXzznftz0CKSkEJlpSLc.Y3zdUx9k77ajl2bX6Y0Z4iy2Lv.2UADroeLSp7lrgO_TAkj724zZtYtE1o8cUmJZXIJJpqg_fQxErad1VfzqlzvLVCn9S1Ppv68E8gtqgfBfKJOwqVhQ_Mde1OuvqpkvYcZPlLK1XkC3fSBjo1vd4S4Us.zDsorehTCLf715GfEdYCoMZ4PO8IZWKX0nxpZ3E5l9JuYHbKgv1JwEcfssGeVD9VaiYMfYf3ml7bbQfcdhg2Rr8iSm4tPfX6mZet3fCqKZ50f.L7xPU_wuJKfaVefyI0eX3kSt78duzYdEhOILqiAov",mdrd: "nkxVOkGcnGTIJqXdeg2ZyESOC75D7Qfm0cnkb2J5w2E-1739146689-1.2.1.1-PhOXKiTtYEwyBJGvrbs9fW6BAGSehHH7Cos.2XCY_.zCta1vA1IkbY_VIiA5LYXCyxCobjiDXc0arks3sWuylICcM6L9MowZcAvTkTwDiLoJ8GhyAD17lRU6NY3m8H7G8_0J1ZavPTh0FvlCP89kjqPun6RdwFon5c83pnC8jM56hh22_enVxpwaGRsS2xiH9YxdanvkdkOI2FK7MfG7dEXYGMNyxyjaU9tmWJR7NcsPZHmWMCE2B8caI7ocLdYV4iAnFaoqw3Cdp3CCKPOVQu3Ff0WP5BC9G80w6RSFvn4dxW8JV3GDvnMWhnUVUwg4RYmzb8UYj7tkOOXrI6s8D564yytAYsk_5GLBYBQk3J_owzjjGgv_e5ytUhUE9DIekTKXYgydGEoV.Pxrek.eNiwnGmcwhhBCvgnjiCT8Vr86z65OpemP9dqsHX6dlIM6DczTDSfHlCVtJEYeUFHnirLZrOCDURREVrlSPuIFSwcbxHYgJ3ibJSBEe2f349DTLacQGdS_w5nRipt1F1c7OI4ZhliJhA_sfgfoC.M0lgB6jcYA1UKGvO1GAWz_AXhf1UqwgSmMzZijtJw5973shA3Uc_Vfvyknyp1ZfnqmsnYH3gt29_jXMCZQZBz5gJxrizi1N3dsDdIKCpRBY100HeV_REHTkYNVtD0b9g59nW.16qgiGnCu_6PBgrZ0a49x2NW1sh_VFauKetsQNDlcdUeZZmN7rPnEdHcwTopx.wm7ISeuMGepMLjcJ7GAF55YqMyMBScX_bA86fLrq8owYSW6r0yQw8tBKDnjrHTqhPb7xGeYTAs6bDD.TxUZ4NriiOS8DaIV3mXc3wMIOc44bgxkH_LrKqDgm.YoNNDsPiRh0..n81HZJKqN2Xj7zrxDpUns8EkHQMaRbxQNogUiPk1YXNIv3txCTZRomYEf5IEV1PddWWeRlQ7R7iiRZhtQdni_lT.t8cS9aFMrQ5N8ZaW9d00QYyTQfZCjoM5Hrhi_8jgJwxhuX984Khwol5rqCRgZBQ0ZL2kuz8wCyn_LfBlgFfC.ciyPYg5uouJrJAYIytMes6vxdNTmFaE.BcpPjm1xdpLjg_Q3dTrX_ycMWOOLJtJ14L8297f9BXu_X9yeE_5gZY33JdGqq6d18DyIK4w99Za_JuJ0eQfBFdjDvvomrLPF75k3atCAgbzuaqItL_KXWKyFXzLjfFOW8bZxy9TeF7iSmdDpRvovfdbGgMc7odogwEB2Qg5A8kLNHlY5XaK.JeAspk2N1oYvCKIz1G.rzg6jSNXyvIt9r_A9.L2TkS4_1rSqz.0xACvAK5YW2sulhnMK20HbPLOds8y7oA6h4uMp2PvQDv_eKHWJxwTuFbyLESJ6wjqHLo2Te8sUgyhYT2JQOGJfAbh7NiJd47GIh9W4vN1d.ABzD8pWn3NAHh84UsLfLg3psbjXuE9MWmVmw8_XVSdLpH5NMwkSaJgBz1KtMk9UoJqmIdpsSLd5ZmivCnY8xlyc3R2vAVl9bGUUBmaGva5I1kp1AVuL9tbuh9RIEB1yHwFtcUAXvTkv6vsJWdHfFj4ZamH2q6.4Ub3xZPsBAwOF2LQCfjj1KrsGrO8Ny2LthQtzeKFtLXlOjYcARNOpwEm3lPHy5HO_mgSL7sLYxXZBRxdJbnGPE2AV488fohMagG_lvFfP6DTE7n1WMccss_nXJlPe3rn3nZFIbbsyhBYJH4s577yL.PzJUHq8sxwCZtxC7fbinm3glBIn1Ua6j1yM6U_JoR0Xu8TS_zYd5WGV3UpmUhv0SZixc24T9psYf2IFA18Ig1AvRux9_2F3n4MT5Dy0Crc"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f7eb97ff01e604';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\/1462395078?__cf_chl_rt_tk=5HeYlGLpbMw4ZZ1lT4Gy2xoLJrpj3vqQQir57iiOKCI-1739146689-1.0.1.1-.4GPZa7tAZ0WbMV9tx0HJ0qWY3Zt8SvXaBjdwLXbj94" + 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