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-693286732528.mit-edu.top/post/8209175634

  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-693286732528.mit-edu.top",cType: 'managed',cRay: '90f37140dfb53937',cH: 'SIL7aTBdQw0CUPrwoUJ1ThjQB7.YKb8uCtJNqYPzmbM-1739099735-1.2.1.1-GZvB7tB3Y8dcliZLTrulX88ZI9a9HY2Lt4HOfcvpc53GFemvmhSUYpIGupeijiyb',cUPMDTk: "\/post\/8209175634?__cf_chl_tk=tN_a_DncxN6gkhMN6HilAjgJ00M6TfMkHrCn_yOgrks-1739099735-1.0.1.1-VM.dmVDMV7.pErEZmc.Da99t5sLs8M7NTqU1iL3wKtA",cFPWv: 'g',cITimeS: '1739099735',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/8209175634?__cf_chl_f_tk=tN_a_DncxN6gkhMN6HilAjgJ00M6TfMkHrCn_yOgrks-1739099735-1.0.1.1-VM.dmVDMV7.pErEZmc.Da99t5sLs8M7NTqU1iL3wKtA",md: "x4cNp9WrKne0oy7s_HP6pEzkgFTGmTH5lXBXodi8HnY-1739099735-1.2.1.1-THL5FZoKzRsA81qSQESXoUZtIviZ9Ku2cW6xvLZ4rIYHY79G_fvc7dAVAAqrlRJmLHwAZAeXmrQ5YhsG8xu4kIzWwxxtEBRaKqWpRLjV7.YwebBUf9xTxwrM1FTgfF6CCXPv.SbACkKQp379V108kwqIhAWKiGuAIiB86Ng8ykFXaTkEwp552Dxn.oJwyIji0SLvndSE_sHGVAxOa4w7MURrcJoFTy8tYfMBTzjKs3NkqOgV8ztVMRqz7yiHUxm8O5cY2nabwmQ53brXo_r3ZLoBhZ7Iy4cwSaaYxusmiwbL3np540W8hWmjLKyOOEDdbiAEX0_hKK93Q3wswkTexfsiW0t2dpiBHzwTREfSY7mjNQ8sQNSjbe5ISQ42LTAFaj2Z3apZyxGXUlFLOspdkaMwzblCHRXu1QNuDY7ZgCJFNMrSnRAjvfXmKY2EetIA.91z8ewzCrFESMU2qGM2jwg1N19c_d41icnZ7KD6NGPcMKn7O2S7_u.vr_KBjH3MPnyHUb2aGMLMXR3l8ov4.ASxJ0hRD3DlH.8uv8v_cnFTDR8DiBvbI1_XqDnTzFzh2nADRGOgK0B5QdHcSVXGMdWQCCVJzFD9TjNk3bH.iNmxyc519lDtZhK_2tUzC.5g7ihczXfFuJG9_RuaF9KQHMRg0vMYbokSFKFzhK4VPZ0t3Ercg3LfAlswIGTKqqMcKb9JvhW8XzF4Ju0tgth.RUEzb2WTlM4BMp5U1DeLo7vgx7niQpO1oRnHG3H2EMQ8hrAYw381eFOjEjfy4B8ovFSOPipoVrINEaCXbEiXlw1q_Bx1EZdICGF58mtR9EZ6LKqVeidQTZh5FZSQrI5HH8X2VL1ts7mRveDznBnQiahVX56DkMsSvyiEPKs20QLiOqdQtHJPXeYKn3GxfBY8AiQn5TK_dcoXtJ_qPcG3s_Iau23NFGWADMIQXQtCBPUVkO4pN8_Kq0YnJqaZTpm3jrhAWXxJ8nZPEUh7sCU0iOaehmDIUG_5qbcuWttRJ7AYMnhnv9sNnevhDyKuaOVJlWZR8nQ8Ti79S2gK2xyrCwG27_aayk8uHUIYKC9fp_IH8AlWoeO46kNduvZ4lLdF4HgQ8WuINoX4IyHmbiEbZpml7j6Q4PJ0QSYokUt.8wlAKuZKtP.G0gOg12AQv9cvyocUSpu7jUO52PerEdjmtR1PQwNHf9W04hv5vxT7HDTIAlQjfAZLS5UT1SS6hzx.PxtY9kdEGS9x6Q78j4OvjZdiYuqWGPsVdkzAVhJECcWW0kfvQvryuoZ4NsffjS96SmlaUeGCyXhyrYhK.L6Vdf65VgxB.X4Bt_ETSM.IvR9dTPuSdwbFSqh1p6yUAJcWTjQYAFFtZBbMPkTAlx2oosCpvolOfPjLInF1w0z3lRlJo8V5yvBOq75XjvZrVspUC_ddabg7hSzPaNU4IndiL39iwpvZtN6gjhtcyqDxL76KTTXcdp6m4HEd6yXsjADDjJyEPkxCJJS.EMTJ8TUZIbS3TYzTUOh7DkTBhoRrs5Gh4N80J9I1ZZ7fE7Hx_MehIGI_DQXL9YUkGnNacLelBHQUeaX2rCZra7A6516JTSBAmPdTj2.B5IARFXn8hQCWYBTlaX7.4gLDvMh0asOkAai8bUXB.mDonU3BYFf1r66v3hffoGAv7Bgh4Gv12iQrqolCBoF4OAN2uMjwIXa1T_c3wLTsZNIBU3fUCCy9U6rd6IgVioJlAleKzt.orqjGlwXlghW_05CA4widbDH6QONnmv0HUKfz2HtEGvIJEXtkP7iIAjsYs_qxPLpJC6kRH5MqZ.ljNeixyG3yThl2T7OvqZO3E49AEssUxHnrl9wnzU_8WFM40ZPhtBmkKjix5RLph0.LFqm1h6zDmB3ZbFh0J9s.SmZ_.0n4Ry4swC0ViF3Kf9_dlY8hJJktkjVnj7TM7qpVoi43ZimclUZBvMMV3711f515JUnnFAKiyhMYs6g1x6W1ccH9n5x4Q3k.hHOISkxZx2kgQA6DSnsVgk.sSoOsIormmgvCTUC6yinZM_o8JvDakeZ1hOFjO._XYDkcrgJKvIKosEMPuCb2gVGGV6VFbuXfsSbgTEorF8v2lf55Z3CssPmmwMGwou_NcxO.xOOBeWdYb56_XGEHTrSlIJPYB2sBTdqiWHvzXh9N_RxWZfzTF61iQYXvokW1y0feWqVXLIR_g8y.iS3cNc1qHYjQitPSIbSlZUb.H73U",mdrd: "f0tM2imBHMGlECAZsVsQy77FQlkIQ8RIfrBYO3jZZ3Q-1739099735-1.2.1.1-kHyIXYxx5P0Ri_X6l3i1wR4FcR3vJV0I8nP4VGy4XNHW3yFux0JhxcSs3vkVTLn4j_Dt_aZK8q8uvWAR93VblR6SzFaIbaLfgWFIxDcFZiRheWRkVMnwZde_seUPYy3V6XsI5u5.5QGhFy6GxFEhoPnHGelc_s1mCvMtSWPmeb4_MbJN0Ipjves8lSL34zUCWycYScQM8_gEcc2RmGqeMxJ4FHTeZvGBzGRbiXB50CjB6ykeo_o67DKkBzB3_mBD_Cp9C554Ah5tOMOcepUj.mJatQ.GLkRPdMB5D.peCZX15kKY9naBva2xhVJAC6.6Kkz5qcvpi_XSgvBy7AyShUlbZW6VHbxBXhj4rXdJURqEdxWLX.MPKf1wyseBToFq6I_776nDKYdzGVSjtbLVwLiFXB5YVw0cD7PH_nLfiDR21_HSpiV1jlOyUJk8kTjCk1mmpsADKUh907E3U0yieFZs5kYhL7KA4DO_Y.VQHH8cgcyv9RQDG400_.hPRI64EiGT3IDPt0QTSo6kPeACEAkGtJc2wWCRpo9COaSNl_DWKrfWv_vCptn6Zf09vJmyGsNhTCYs8ioB0KfyNsyBFvjc8SrCgSzM1IcmnLx2d2pDKy479L.ssFFoe6oJMiCvR5KBVN4jdOoMv544N.u3VknhsOY_wpBUmIY2WNIZIIlJ7UU8_qiFk078o2IeGFbo0I0ApMjZgfV_vg7GbrFfXrJSpDqC125VtUrUzEM2_ejCLZLQowIJ.y.ZvpubdQH95lkKIEP8X9AEymeV_InSa36EcOyO4SLKjxWmcoduA3mTCvXAZmk.W3NjroNcaPjBK4Woj6hfw4fgnHJEck.Yf7qCT57s1w8BRkt3s0IL4xnVD4mlWtohh8zSlE3ZlSbNkIhqfjLi.pD.gTk4stjItDWUqcHJENr5yDS_qatlD_.pLW7al1BAqqzADjh0L1ApTabhpNZArERm3gV0WfU18fOARwwRdpuiQI2KLR0qphQyUtCJGt0oXjpPFEQ4khNyzVoR.IBnY1qotbpmBB79DtsASOR3F4RV2_VwZ8NTOWOfaJrdoPzhAntHX.jKd638UAsEEPjdjz19Di_qCBsKRN8EZTVuweG4i1PqwXl061NKfdEszyGR25YLDVK6lSruCiHiSc7FTzbaJeNS4gio09z8Gti7d7YGT6XmLNpTZqjIpXNej55F3ASiStZQKRNL6Ow3MYg0Dlrpi0xyJlkkb7jO6BGQWITyvV5cIBpKp1XLr.JJ8b06aA485dHGeKIrxjOSwuVTlcGNYJ8PiTULltZZlSjVEDCabGqSEQwEBK33n._ujvmiuGrhkNSG4Gy34gqegdzrrdRxtammdFylkbipfjPfecNaCpStX0xWd2dP2wcE7wapLa2G.blWcdYJzmkoru4IYn34BL033MqaaWexcGx7GhPsSNYBuBkb61kH5js1IhgkVJh00va5yq74GfANjxSGo4iiMMZ51c0XsyRvEZmsry38GclaLYwaNXrLwLU1BfJ5OWbSHfSOXyteiXjRf1tF5Y.U5Sh3AFSArfW58MdlwliGEHv_4wuWcm9DT5fxMbZ2U19pn6GvuFLNGxU.CG4lPxyg3SMdqqCcA1YB2.RXtaFi_xDM9Vm7gv7dDZgRRry9gfrtKEiZ7qIdmKIPD9jt4J2JVyujT83mD2pee4In0rdwvQINmAWo3EYgOj6iN7siGu_0pFRbo0FHhLWbgnQGYjEp3CMUxDoMFsf8QJ9RkL_z37Wwk3zQ_lF26b9f3nbGOQJPHlMRPp0rOk8GGOyPDUVgOxSGeP9ngpC1glYAtqExJVHh2sYqP.E"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f37140dfb53937';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\/8209175634?__cf_chl_rt_tk=tN_a_DncxN6gkhMN6HilAjgJ00M6TfMkHrCn_yOgrks-1739099735-1.0.1.1-VM.dmVDMV7.pErEZmc.Da99t5sLs8M7NTqU1iL3wKtA" + 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