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-aff64nsul.mit-edu.top/post/9507632841

  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-aff64nsul.mit-edu.top",cType: 'managed',cRay: '90f7c3b26987080e',cH: 'wLJ1Xxhdpd8Uc2iC6HnOCpb0gwf2S4hRHAad8tBvMvU-1739145055-1.2.1.1-gLueMdKVTj0DTIBcMbc03NdPcKtyRDA1aTst6nlPZG3X.VwqOvvfG7VNB1weBr0S',cUPMDTk: "\/post\/9507632841?__cf_chl_tk=plrn_qNJ9ajS4z99nP0QZ2WgAimCt9yURTdHWVFHVx0-1739145055-1.0.1.1-1wLA1Tu3sDMXhhvsXaB754poLIlXMU_CXIyff7vyo0w",cFPWv: 'g',cITimeS: '1739145055',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/9507632841?__cf_chl_f_tk=plrn_qNJ9ajS4z99nP0QZ2WgAimCt9yURTdHWVFHVx0-1739145055-1.0.1.1-1wLA1Tu3sDMXhhvsXaB754poLIlXMU_CXIyff7vyo0w",md: "CfnOvC_jlxSyw9MfO2hsZdkkaLlL5IctIuz3MHLihWk-1739145055-1.2.1.1-QKMM8OlMIoXed9uev6HC5cXkyHA8d2_mP2WvmWPHyWzysGo1ZLW0.EFDw5knycWxa5_gyr_sFvG.gY8PkkS53xWfc4nSYlxGE3SsyS4DEEYrPaK7ExYrlSkm622fXPCPSx_YX83Tt53bDOuK4EyIxK.AWSOR2bC9oM0IpTXweKKogdRLpX0uoxcH64pBxLaQJdgO63Chagdw1qe9vFjOl9NqsShBkOvsfg40O9MmvO0748T.Fspz5xK3d5ZKQSt0G.t9NCnUAEVbyZz3ziKUatVJTD30LA3tFCBfaaLkftdutTyVIAblVoWaiS7pskmDnniSbn8B6HhM2HiQ4Vx_TMyPMgoAVH1dgetiVTu1fuCCb0ecGbu_q0dhrRS5QH5.w37WtsUqYwlrTdS3omsYuqq4cegB_ISflqJfVhdmIDBuP1EDKovj34D3vPegL8TztVod8Rpeyezn9GWkqQrzmjpjxC06PDTJELO2VORK9TQVHUJdP05RTgXNPDbIiaZB4tnKrogXr9unupHqUmW5RgACPbwlDnZbAB1wjH2WbxplKtNXpwt1K3to66TKQ79tWFiFgHoq_TwlZMJIlwL5mD5Mlgn5wMBdvf1x61aO5xy8IozAhFwgP82h18ngzsfGdFN0lkEcSh65PnF_.Dzt_1deNX4.V1v_f4bag96mHhl3CCbowR.MBzq3B35Z66V.FGdhJbv1fPKiAeY1vcQZRuJIGxWcbIG4ElLAgpR9mWcQXGXrmDzp9TW3r5ayGyRGaxDR7UzaJBW9pfAlIliL48h3h3lNUGBoQ0lwi5BC.w0lKkSIqm8kGek3E2ReKqD38Zhc7G9MWIwI6npM_sPGV8G.5rDmr4lz2G7WGt.uVUG9IBGLdVxZVAuSS15XqawUR_WkOUWVwGI4rGLLiIRDeeQyZKYpKCojsuvqi6FmTPIjkuNV81TDya.ywE.fy.B73kg7F.5S0dSmbjNkHxmelUNyqIlsgbl6wZsGDFyyHyiu52a0a6SO.Y1UrDbkOOyRbkngIiPXRKOhAdj3u92jxlAdSV3lwo6tcrekNC8YUdvpLYKUmL4IROEjYDPIYDq87WnvKRXNEdCl3k8bNZlsC8jb_rFKWJl6EK0R3DXtza7YjYDhLMPzRtWSTFWEIU6IvZlUNFMRGv7.lzv7Gm4MWWYDmgA5oe0Advmus8BYBao5Kmwr7uj29LEaCGgARUOsq7eCx2MmHqGUdXDc5inlutQfvW3FvaxP0ZiJeFKMZsdnwRZb6NR3nhRWxCNecORGvBrVg3TBvZtDI28OmyhqqjFdhjuXd4kWMJCEAh5aRoMjtaku9biv0_k9bSHGCMvPGMyoJEC7X33qisggw0Bi1Foum6d2AvocGsOCPRMLmlFcHxYuuV1B5rQaTI4u6T.QgWl5nKpJrRTaHCtwNMaifq6fVW8pdh5ViIeZ_Wkq9T6Q6GN1AWgxT4Ww9ZUqxoozhc4hqKz3arI3xKqbVSNbPKb9R1ORtlvioK._MGESKJ3x439LofTHy0hUWw2Zzbt27OZDea0R6f3qhaQtof.GX.Da4YqNAcsqBZv2jnwCvDaO4HUG2LjCp20bZUUoO4dm4iDU23cRP.RXKj1L3YU72q1rntTfzOCiuX5iCCjvh70FkhGQ9ob4I4ZyVZ1XZ40A3qtrrB_IADVVXboU4FdZFgWzIvwYNz4UFj5hqH5WxKIVMsMP.nCBJz8GJsfrjwhG_vHUhq41XdEwXdVagfQJfF3ky62yt4ilg9dpnXDOAsCjhORBC8lR0FTqI4qjr74wHWxrYhEljRez21fDFWWG0YK95dxzuQQ2OnGzQnQm8I5LDZzspzKYVeDKej0FR1xi89nw1DCMrAfimClIXb65rGuSzWsKltF8unI_csSJDMo9eGTjwmlKcFzuAhJKTsGwOGWP_d8IjEhg6R6nJuqTuoocW3FPrnxlBc8x1tN5CIYIsF.OXCRKtKNmDChpaDdXV2GF8e7iw646JPG0O1WQFSJhYFh4nVAd6bWJ4jTwad2bGiCKk_sAPivkqxAED7zWZjUMtiJfEc6EHraUzlrj754azXKSPQwMKb20.7PQBElIRtAqeYKWfKNie21RpL1lC8I7khdqMzS9rHA50eCz8M4nhy_RYAvJ2qHiKlzmNu2kk8Gog.M5T3rFwdvQl739lKLTYf_gDHF7RsTVh2YKd4t0NqmVZqVHpQaP3tyBurehWGlxFJvXJ2NCeAigoF1V",mdrd: "SnuADfGlvekCwAFei9vN2TdxtOaYpvpCY73Uhi7PLUY-1739145055-1.2.1.1-IC5qDx93xvvUIF_g9NwlA7QuYMbtclTi2VqwIEhlmRXNtnZ9uPvRQA6rXqXTl_LpR0JsOpJwpGfC5GSOfVNm0g0CyJUfRFeZXeCG8nVxWRxjva53SgR5rkzTCTgQoPJSyzjFL4btf9a6kuYnGtVqHyGzDzqVmS.xWLe40sb5QO4_ukaHAzz3u.atvqw3aKJYLirDb0FHXAlmnE6aN2MexxnofLmfIkT3pLjhWqc.8hXxpuLLdaKwX6UIE1go79T1reJyR9FG5iUcyGxOUbaVEzQ3HlePN1Ve.37CCfdlD1RT_whqMI0yIqiqcNokDtTrkeXtK2OWCFPFJgqg7bpsF6Km.pxlVvYBSXUbfCdcsyU9GyRtXV5nnNIGjwxlho_XSy8Fjk82uvZz40.Nffi9co_8RSk43llQ5SZ6I3rh8PjPF7yXifd8rNTgO0zvUXkEdlBLY.D88nE3l8oHEuFH1IbioC.zLRX_PtSSGlDCgmjJ1oClZvVlr8hNWxTsutHJmbv8vF8SebgCueF7BLz9dPVuX65BAa6QYdBml7Ek87bslQxEFFh7ISCS2GlQqQmWW3yzQQtmevA6GcG4srQIoRqxYaFSJCnLNveyV_MCHCmzgiIQjRwnOaSJvdX7JDxse93MxWGDwNmPpmOqMhZDKEPCnt73INlJ.ob575YkCvgY2eldVNTPxpjhN5VxCM4PIGX9LBk3luT82.ezv6tk_DEuwpyOAHf7kVpL.loJOuIAJG9s3EZ5n3I0HrCK54W3O6JAKY.atT1gxhrMuF.6FGoxQk5N56eDMYcWv4ZaVHXMwMP_9LxxwsVeBZ7Wzh02YtJjLHo6tfMtB6Sxlr31Jw5Oj53H2VWqZVofqIy.cTpHxqj3RwK_3.8encyFlUNRQZVOVd_jRRbZCAgw5ozrFhxPqJtpS5GsNxfFqfVRo.MoOolEXqfiChFwpXepL4fhAWARXD6M1zJHuHEaPWolNUM5yqcSJ4e_tyYR0LXO0QmeKOlfV_XbVjxfhk0sB9bt90ZSpYcnMk46hWV.BkSHCwRXcwEdaWqFbm8XtZr.BhSEvVzumZN2hjyuU1hWziL.GlW1Dkb7mWTQbr4UlbQKDeiBwgAky9fcaAswdcOA7r26VqidoEZNWoAPx_gPGXJyNdazAw1I3ceBsOQGdjW.2IApwpo6H4Euh0DiahEk3n.EpDrxsKjXOhiU2_Xl4duF_ooJLoMr3QEWZALNib.ay91dyv2I4pWP5dKT27iitTMxOSCxSvRB_3_HefzoKZiXOxWjI_q0QzNXB_SuQl9R3JJOOdKvW2fbNP6L7K6By3bgtaTok4gB6_tnkwJfTqUWP9ysEIEvLr3PPj53.14Tgo9epQKlHhz.Pc11eTobR6eM6vwGNaKGnDL5Ma9d_K_owswZVGtm5QLip59gMRBWjK0VknqmQnaMpOxAFvCGCiICarmqQvyMvlvV3rkFk8BsA32G9Jwm4gjxyEUP5i0..Diui4uIPZCEE10BMXGUegU09XMt9HH1CSHz3d49xioI0mo64i91wSofE0kird5YWMY98lipa15dza8YTreeyjvgbIqUwYawjdxqhCcYUGb9Dy8S5gXzE58pbOBGSt4ilWDTFTxmvNf13rhj4EGpLXbPeUmWlfUcysjM.msGqZSw8ggBGQvBGFwTVAynyssPh1JfzFqA0Vi8iIz8Y.Cc0ooIzTvOtv92Jynb8oqcTSsnMNtclKgOkiw5cJIaWFIgPvb.8Nfy4pmYIKoX5WD2o7SuiG_dyvpy_tF3hL5Z3rpABKxkOF68LD0QOFxqezvFsHw1IwpX6jJU1s.hl9b76D0"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f7c3b26987080e';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\/9507632841?__cf_chl_rt_tk=plrn_qNJ9ajS4z99nP0QZ2WgAimCt9yURTdHWVFHVx0-1739145055-1.0.1.1-1wLA1Tu3sDMXhhvsXaB754poLIlXMU_CXIyff7vyo0w" + 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