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-688463886295.mit-edu.top",cType: 'managed',cRay: '910e143e79432015',cH: 'kPZPDn9uI7jJ_MWgSG0LMZGqZ2DaHDUis0cnP.h4V68-1739379041-1.2.1.1-RYnAdUC03nia7QPDrJeIKks6YarkmBEDqXq.8_01ljacH11NhIKo4mPfJ2h2l3e1',cUPMDTk: "\/post\/6785013249?__cf_chl_tk=bAtIDzL50uPSQM.BPLsBM1X84FwZsYeMZeArhvRiTWw-1739379041-1.0.1.1-uA.MFMPyJe9A58pm1y.hO_OdbKyS9Hj4u81GgHHH3PA",cFPWv: 'g',cITimeS: '1739379041',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/6785013249?__cf_chl_f_tk=bAtIDzL50uPSQM.BPLsBM1X84FwZsYeMZeArhvRiTWw-1739379041-1.0.1.1-uA.MFMPyJe9A58pm1y.hO_OdbKyS9Hj4u81GgHHH3PA",md: "_wPrq7f2kClHyZP1bnTaGnzjWBLiKGthD1lhDxCClfI-1739379041-1.2.1.1-S2CLMDOLjA8UcrWN1VS3QnldZeIjgK5Lbh8vXfPF6u.8FAPBLpuxokmwbCy9QF5dtPs6Eqk9QybywRlDbXnL9Hsta9nJFMN1o9uQYl5y.m78MxYZ3kubYOYH1O7yA9XRqMqyaZRtpJdaMMXhHrH5Xu4xFaZPMXV2jU3AftgaHuYAGh24HFtKzNmF.WGBXZz2mSuj6XxzqbsVqRR5TwYBCHRUD9QjguLIhWt7nZwhORXhzkAsi3wbBSXdMBa2tdxtBh7LUHfyMbcAD922z_m5gRw_yLc3ujoLC0oTOUraqXF5_87gDJq2JTR77e1aVsAkAB2SXkx8Z98aNQa3gXOEY3rxx5wjcnvPrczzPDCsJ_yEOrGzik4bcO2XB0sYbM0rhARCySubbb9yvJb8pzcG4DdAujqB4lSFM6DtSIuQPwA142KzS0A7Nq3uEGOsxXk0aeyk64kCxzlCfpoGhnZ75lltomUzLTWDOTziXHxTujr9fPZF2AEaMbeJaIusJcqLVDqMBSKbUNcfY6r4uVqNTgXXtlUj5maOsLArB6vr1RlRxeM8WmBs0YsdKu1Hs52WuGkxyQPw_Y7AzdGMeHmJ6h1eS6o4XL6vXvF0KB_Tn5x45VD4VtrnYstXC_FM2_SR3mVLpRjmFTcmjkfFwbyumsMK3ydDRGQIa3C.PkWB953CB.mculCe6eCcPjooIz3iV8Zmx1j5FoUZedFU3UBFuh0kLr0TrIxJpsVubGrkNk44zQzaXuy1BBC5p5wRySw.agjOjnUtErq42w5XH6VCzu48HUihyQ8pN9mQCOY097m7k76GDHjuHcy5zmbwgTs_ci3rU.2xPwiUzVWb4Xxu6rzy6SnVyHgt.a4EZIvMHPRCCUR1HIhXdy.zrc3hS0UnzyEkL9OWaOR_8Rh7siIwWsju1kvorYALgO84zN5C.vA6eJeGuqOO6HKy8jPM5w.FJb6_NOtKgGOCAAOGbDGnCOuMs0uQIqopA7cDD6SwJe72b54r.QC3WEUHUzJliFQLSGeciAyb6uuo9XccpxiKpfLy0Q3CcsihlvC2dgZCrAcCH1kw0E0wL1mmiYQUJM555alIOvjc9267gqietHamLypeBLl9vyWiHyfD7A3y0FXmdcgAnVgGBww01fTWUt3IeZJ5y7T.c7zNovEXyfWlvCGkZljY5jtkhB5l7ht.vANrnhy1LOUIQff4r7jN0ZaaHM6GAkDmygIan3Fx5higf_N1P5CROnnWn8DxW9kzEgK30QvZ4KxGr9oSHq4TuHAotrBJv06joM5jHs0jADU0DdRGNGMdFQzBDROh.BqAG9LJGQt2sq66aX53.L_WcJ5y0nNQ3qf.bvQnEVKnfidyjeMcMQrIxB5iVHwcPY0RkhrK.M2y0Y5tOR0PNcK_MByis4LPFuXe.pnqS_yOHGeuMBtmlxVF605Egc0ycdvp5426a2ME3xiDmudpM2Q8DQjkeA4.MHC8cqm021CQ_biqC2dLNf0y19rGVj1HdDHPWFkQdCQfX7fO436cMWpM7JtMG9XUt0z7gWhu6HPPqWWkCUUbj27ZPxgB5djSWNgVzeu5sExizwp6uDFvQpYzHp2e9KRR6mb.76uZbKv_U78kdf0kH0dBE7O0GXoKPM3fSry6wXUm4Dn.D0yjK6Ym9mUeXwHqZeFxGU5RwWYQtaUg_iwoXZS4CxWbwEhcf1EtSYWvEwf0QdxvPiUtmYxdNwekfxJB9B5_0q4N6b1ifZ.R8K6TmXXAyyhm9uBC.ctoQBq21eEwLUw.e08bqfm7pZ1sOHEVQiZtW0ZPE4u7CTCCGTr7QPaEodTNwpfNPi0rhkrZ3hcleq637ozujg9FGjr_vm8TskOn2Ssso.2bWt2EAMZs8ofmvOBBUcocDd5Goz6oxCQUipSBE7aJFLBVc_.KW5SBSVkfsxNE5TUCwiEOBV.mYjZQ5tNADfJdoCZbFuMdnmt8bY5HJT4NXAC7FLWxfwr4yGIEdSw0A8u0tg8W27uTC5fct3xbe_XFUmu3Zh49Qtvj2.tYWmR5RW57Lgiw5Rpw.UFP0g6zty1Joz2tNYpofQFG3b74e_Yo1pYCZX0L0nTvWG_afGVk1xiASEw1.13GnaKon82zF4I1gbi0HdF93IHA_MCUOfH6l_hJD3NLCr2zeFe61P5YbKsM0AV.GWSB9qzGEwTHQ49Xzq.0xrSdUd4Ri2Dn9d7jHirJTeOuKGMpruMfHtWMd86yeNGu",mdrd: "RPm2pmt2WuiQwkt6J4TByazKM557JEW6idakXd1V0s8-1739379041-1.2.1.1-epcUcnvOM_2bB7xD4PRJ_hVjRUP2owkYW9WFS5em4AvXguP0TQt22VKO.2pX2H3NsD7camcpCGNMjZGISOqSpr4BX_sEt8TmoXIo.EzjCJ76DnhKOCN0iY8R93KROcDoRgi1.TUhJv0NN.rXhS3Zr9UBIgViLOJs0GMNZIQy1YRQWEjNWUBK5odQ1o1T9pjgea8BHUkPpLi9pBrwf1PS_YwCldMmtzR.tEt8oI.IpyzjcAtAcmds9bqLFHFYD8SnY80y_GPv6_k4bWmgy85h7Rjn27lebQ75cu1GLUouV2S2bAoVblsw_5IAk8m4Whw7nNeFmZokzZP9k_VuiXVooSxvwLvYRVh3n0ISnY2hcCdwlEj.iuDQkAfhdx0TV_j2lJeB7o11pX1__vEY4UGMJuqI4v.opEpVqwEwxaILBf2x0EZOFaoCL_4mQzrhnzM3XsJltwKuFD8..YTnQDqxNqjcy9xZx_Xnad7kPkVD.c66Bef.2fxVWzmQS31bvh26vwGA0ef1kYMo_LKnR8XE_Ie7lJq3hKfQa.7qHNSL0r_oxxESme5kFBvW9Dlqpy73KvCwiStBUxonj3kjjLvd.Eqrq3uBDFjjGiTF72SoK4bbE05zIpXI0QV6Barrj_8eTEUcQhFZYNyTQ55cUrX14.ueJ9nJqbTj38PMz8hfltUoEB3Y75_iDPsql2dLttNq40ne9VNEGXWDxOc1.o26jgQxl_G93.cMb0O9NAdehc8d7pUi1KgMfzm1HkduGoKmSpFLoYzuRRB99QxV_plYxgZHASZRCofXs.MDNadYE9iPXecOID9eJIsv2AM39eoRfU_g9H6QPVeiVoMMlgLlsIgb5.RK2I.4oBO7oPmQiQGKvLJxOSdklbl1lKq3rY9o3laitHkj8xY5ZEEeSIaW6PxDPmPBm3arSlMVJe3BR.vrWr0wJP8vEgwCNmJhw2rftdLsOmBtSv9Ucf8_HzG0ponV4oUPMtHd0JwXE4dqddI_legJ8UYx8PJ9o5q9gE2NYDvzgSqZM93iFAEdfCc1M59lXFZfTidvoR0_yKehNxkR_KbSfydpdOz7e0gyuhTXRlEHlhGHQnxKlGwTHnbo4olL4CAO50jehYhWDpvTWmeGS5ZVoVrhnGwMS1QK7zprw7C5QYc3FofsVypCYV77p6UPB3rZpwgY_2fR3F9wPhM0z0NylklGMC9vteR8.wwHltpvhf.m65fjKF93hax712affR0x1hXrLuC9XbykF5jBFZaIPcrMnr3jlSKwL9S7ACgTHRMnNp8lwk5E7212zIdOwjb5tN6DgXaXqubQe2nW02qBsjNNA8mh46WFlBEXGm82WCH.cdhSpkrs3XqpfI2Ql1H380ZoXY8B52wITNAkwQ96_bM1JTQyMBFG6uQA.BjVkg6aGjwJzMT77Dh8_x232IIE.q6YzHP02Dd9q3u0AFdfGQ2VAXrZ3ygctphdZwiqN0i4VczS8BVOVL2xbqgS0wAEC0pn751dS6JDDdfOkMwjq6WPruKOhEbsbm4Vr4JNbez1nd3zN.mR9l9X9yMUuMcch4C.b8vTm9Y5KWGtTEZPyNFk_6mt0PI9Nc3Rngo2LV1WHnHz1scIr6J8KvXCIqNBgme.mUNYvZvzJ3sb64YHDfY0PsT7W3Rh7DS5sebe7QKgL.f69VS6nJqbbsTSRQal_NEWLXNxEriLDEHASMJJtFM5xieYmq5NAoTTvPNN2Q6NKf23uABucN96uc33uEiUOzWAl9t.GfIdmNZY1XgkMC8c0bBiWXqXEaLq3ZmG2eSuW0y24XTK71khvQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=910e143e79432015';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\/6785013249?__cf_chl_rt_tk=bAtIDzL50uPSQM.BPLsBM1X84FwZsYeMZeArhvRiTWw-1739379041-1.0.1.1-uA.MFMPyJe9A58pm1y.hO_OdbKyS9Hj4u81GgHHH3PA" + 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