for Atom and RSS and KML
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.
<!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-316985945666.mit-edu.top",cType: 'managed',cRay: '90f7bc4cfa2fc9c0',cH: 'QnzHe1Xv1bCBEvchFdUXfRXVFRTtWY6745mMPulVVjc-1739144752-1.2.1.1-.8.HWe4juy44QEeVs0CVL3TxxoDAz0WNV1v2p9ohCI0tDgIoAr7gPmbkMQE1DuHi',cUPMDTk: "\/post\/8207539461?__cf_chl_tk=vcNujTDphpPQlqhZq4mD9FCKNQPDOgwTIO5.W3S_.5A-1739144752-1.0.1.1-_bSi3T1yodgss8TruWOWkkSldMzLxKF0M8tS8bsY0D0",cFPWv: 'g',cITimeS: '1739144752',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/8207539461?__cf_chl_f_tk=vcNujTDphpPQlqhZq4mD9FCKNQPDOgwTIO5.W3S_.5A-1739144752-1.0.1.1-_bSi3T1yodgss8TruWOWkkSldMzLxKF0M8tS8bsY0D0",md: "YuOnzLZVb6Hp2zP8DivRVsAlXmBTz7BUM13cYLkgmpU-1739144752-1.2.1.1-L.f.WmbcRNDBGef4MtwyUhTkq9QTzR7oqSEbyvMP40X.1FwXrHGEsnaiSuUT_sXsx7fgH.wkRdDr5KY.A.llt4le0O98Q7mt4qDQXl0uda6vUo8l9hAOPo_yRUx1wZTzM9avCx2aAjNvNCSI_3yaq7onHd8EHX6o2dTsOjR.7mIROkIcpdOEt7QFvp09ycbiW4iWzQTtRpKp5_AbLohs4qtEQKVdX6tmGOo590ZUz_snOqo.Acz6eDq7NwsaosxuUlH2syhOuAqr5jMkKezuk09gfsl2BZnuvoqFh7_RbdR60inaA7MwY6BPPDj0X.Dq_J1NEcAuS3tGrbGioyL7lSugD25bvTkIN4bz7Hh5TDYaUVTvGQjCo90TsOjXDEUtKqLLa49JnNR006T4p4Qg7lmfR46s7k7JNobk_fcwDfH_pn3WDtJ.Bg.vlvAFagAFMkZ.RkgGyTmQKp.pJfMyc6PoPwRbxfbQisSEum0bZbMGesgNpeB1iwSoYw7GLcBOBsNg23Y6vWjcAyxoofCeEyEbTQCj57hBOhQ1tBlSQUAnu2NZRLIyOdZdxhasaO1ilSQblQpbKjOMFWywTmUfAzxpfgHVdng7Adu8jM4u60gu8SpV7GzhaBGuVujiNcZrwD7z8fcds6IRDEHYRfoGMOSarqwGAz9fLvzDfovy6DIGByoLPF.oLPJUTZ.5BqMcRBTs2Q5eid8_J1baVjtOVQLVpkdydX.0G83ys2kFf38W_rdG2nxjDJyb0iFvV8L0qp_a0MNk.Aky_twA63CWDpWdAxQgyynfb0srxCLE892Zpi73iF49AT36ZVX6H9Gh5cWptkETQyl5.jaz53AV0Jzfxfvf2xHPSQCA.1mmwToDBpwLWhA.EgsH86iERAJCtiORdZ9Th.TGdW.xt.vKRRCCnb0.hGFxXjA1zp6quE5lz28hR5vfn4wIaK9.FTJajdQfQVJrnwPZYgUvHE9JpH.G4VC8DaTg7ybCl_5soH9A5hhgPZalo7QcrwVW1dN6orCbkyXf3JSCAUzYrHavY2nstHvx2nBgwXPCd6uDubchwscMK4gyeLr6lplCkQL1pd7bZoUrKmgt6QrpaRYddl85eSYPWbPS_niqHw9m21nRX6ob4Dl9ZhI6a5bLeLTmeMaNXfAeWU5xuN58U8kUjA3zabRIu21vQGnwzYm3VvmAPuBnqiDTTQUuHUJPtaA.XI3RpSzlATmA_CdfpiLhWyaUiPQ82Gdsog3fZY6geYNs2hiD.lV3eEysqMYwdNld8fOT2M1in5blcA1FClTScobZJ2dVZx4sIchAHKkCs0FIduRMlEghCTsdv8K3wuSpbVexY7TbPOmXn5HcNAiHdu4AR0F6HFNzRgdQTFJwh0.uIn9O9jp9ClKouXJFI0Bh0AlShhsz4nWKFMUmCWKqeCUrBhoJEeJ.lkOZS1wE5Pz41SOB7TLdxk9ML7S2Ixiz21hWamHgJCXESlVvRpfG4ZjfvzhlUoEm3OgJlUNyizdFp7tqntK4Zoz2sDzLqModi4LTB6mrSma0bEQzl2.0sxCOu2vecTR6_W_GV6mW6eNgYZ1dumsscap3jAldpkH0ZENs.rfrymxrTvM_1Oew.QiO.uvJezurPic1q7Og45xxolBBLQWA6mJKaXwNR0PJk9srjq7I_R7jyJNzqXIuoj.StSpado8gHNm96p9nPBWUotZqUyP45eXyxQeW6.pWT.x3mYscHMgoSm6b962MhtG_aZrPOzwoULvhhwcN993AkRwwhb_5Ea88x6jj3aaAeIDkxCpXnH3VX.o.cYybJzzl_HfD.6RSc6Mw8HLyBPux069xF2qvfnpOOLfhKmAUBoAZRD2AXc2vFNev6vPfI9dRzreJr3UMO0S9dp140p6QbG_y80k35d3KLtudW142v9CUmrAGbDA00C17qmlA3VdUfFigxT8JFIv3u0pjShOedBWsf9NbIWLznLkyV0RUGWKMv2n6Gel4KjIZZ1LUMKB3g8ZGZ8seu9tmD9Toq_yuZjmou1MI6AEqFoi97qRj2KIKQE.WNIP7lUB0anzU3bzAYOyCrgBezS4NiGX7MeHlBzV8Kqs77tr1.eu9HyslWNZc9Ye7ea.OaX1YyoOvh2Laetyi1WojHugpSyindOPaAWtp9pwpk58iE4mSgY8yVbWILmjY_pl0.i3yXf9no3aRR0QQ92FvpHssTUc3fBzdPHLjtp1QDPbH_o2kK00v",mdrd: "x.zhJoJylbGiXZZUS5nu84iUiFz545msIJRMwGf6Zk0-1739144752-1.2.1.1-NfSneqTzUfdXSYzZV8SGLPfk8RtZQ.IFPGWWzfev7ne81k.TLc1VrnftDq2cee.c5Oa5mVSOIW7P3zIA1R8hgvIgl.zMjKkX9D5XR1n9cPJ3Tn7X38bBLmYv.ZSUeQEZJet7QyZMFfKMp9M1qswZAQpyUOtdo1uFiUxgbFXn5C9Eq1kS4VQ8YbFTiTl9LKDvKk.3tLf_OwO5iweEoL4z7EKWguCiE2ggnOg4XydBBajPiW8ImDO56cKByP61mC_zduVdnxj3KTtiIV5jAtt8ZlatF_BaiUaoHCxs5ndzzNTep..p3YxnLOuadkj5ikraWL2qmcwx84dUcNwp9dvrH3hC5s7LAEQk1APIxDxAKTekZqL2UJBeRV2aqX1quYNSBKUmfl6UnMY9DGfxpOpkSfJ3S8WaokfBTULuJKSoghLwI6bL4_WRaNAGWtPEUsSyirBKtBD6ZswuJHPdWkkcRpadlaC87m0r0wQ3RTkTDALJAJhE5FVJc4POe0R6pO5SQJo_HPCjNwEzomLiL2CqEo65YWloaSr0EZI3fUE72u6E5sUtHoNKjO93TEA5dok4wrWxuWvNCYisVecu20H9Vbbs5p1wacoT1FRPEhTo9wbEd2UeH3eBdz5iL46FI00HvDaabXhkIKx73K7Qx1wrKVyXQha0R8xqnMoBxply0vqLz4NCmTewdqTSul2pVPMeypEM7NKd1RaJ9iIgtfDStrg51ry9uBusIHYdRoo26GxrCE3Tfa1TENzNY8kXeJfGriThONbEqDLr11QiV27tQLuy9e7DjCJPvxU5TDM2XEpA.vttTrwqFcrIyGoPTRnsBsxBbT3VsiNZ5xceEwEbU32XQp5LV5lfc8ikU_j37kmqkaa1parXdRKyYWkCUyDxsFjVN1QwsBcjih5dDM9BpGI0db4XeP6xdRgps3YdMB04HgcOUfQnAlSBoM9X3OuxOBAuAGslO7GeusFu3exs7auQ4RSpTxFWSEPLZ3VMK0wGTXxWjZDsLGzW.3nYY7kNR39C4vWOeBziPb0RRQJWG9KXMh7KBhr4hC4.YzEX4xwBeJl7mIRY2HNKBCJKBYxNPIy7M8...5NkYZjJmoKia_UrU0geB2WZ1Tv0Hzbwiz5dfks7yZkD7QvXcxVgc_P5v5QNXznlm.lLyAR9slffWEB0Vn2P1zocTO5_.NeEzV28lWwfLpauD_2gq.TDO4FTJNz8AHbohde3NtZgIWz2u8eT1t_Wx1KR8MngsP.f98gAeISXKzAdpCa5S1eeGvMyCy4pGtwrihmbOFbxW000ipwSgVJhwyqKW3Tf9m.jRMXMIL6FYxgPezfhyzJQTNyCoeuTp46tW9EkKku5dgmsAb4yCMjGh.hfzDWrOfCYeuwSDeJsnn3qZkMiEhgZUzNhhPy7FJxZzf226.LBnKfWezHBjRxW4bFn6meFAs50O52OpolIhbrkVqoE0D06zI33ClLX7r_v57dlziV3IwmTJgiXbEs0aRz_QXEvK3QyOmvarurb26bXokZ3Xg1JGYl2Ts7.3a2PDBB9RUJkzX..AhCTZosOMMtqABPHzWcapG.CwKcL.q3lc3FfyUIoqECPVPhIddaq9C8qe7zj8g2hAZhbEcxLBCRu707Le2bhmvw2RRjcCDhLWZXtgnAig6NdH3nPfRhfBDgrLIZDcM1j1rpYYB7zX201x_lqQj5wTJbcrvUqXq.VXWY.qTQGO19oUH8MHX_m5.Fd7bT3dNnPsm6iIUCJesPTP3sk9EHYgqDECZv4wD47WyxUObMAWyj4M_qaaiXm3j7gesSePf8KlTCyXsP0Q1Q3vv.Idfk99NQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f7bc4cfa2fc9c0';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\/8207539461?__cf_chl_rt_tk=vcNujTDphpPQlqhZq4mD9FCKNQPDOgwTIO5.W3S_.5A-1739144752-1.0.1.1-_bSi3T1yodgss8TruWOWkkSldMzLxKF0M8tS8bsY0D0" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>
Home · About · News · Docs · Terms