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-999445469289.mit-edu.top",cType: 'managed',cRay: '90f6ad873bc05980',cH: 'jtpL4_IUVS1GFWSw2qg7yIchPjW4kwBWYe7sosgfEhU-1739133661-1.2.1.1-dYAsABP8NWIJ5X1yJFHAEIYdjb1Oa6VRnh65WRFOUbdQBVZsIS10NZ2FGylnH5YU',cUPMDTk: "\/post\/6978412035?__cf_chl_tk=2BNiUiMmK_BWQFwOxiVpabqjwIsO7EVEwOC6MU3ck8g-1739133661-1.0.1.1-3HAPbwPWErfA2DMgPo0CgPwHQTi_RlW7rq5TxpnZhc0",cFPWv: 'g',cITimeS: '1739133661',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/6978412035?__cf_chl_f_tk=2BNiUiMmK_BWQFwOxiVpabqjwIsO7EVEwOC6MU3ck8g-1739133661-1.0.1.1-3HAPbwPWErfA2DMgPo0CgPwHQTi_RlW7rq5TxpnZhc0",md: "xRcGc0_K4_G0.fekSPz0IXojefLIRZF2QVR3DWNsUPc-1739133661-1.2.1.1-OFqsk65WZ.PDfcruyYr1VnumzyOfD5MAZyaB1I.6d6mv1WZNYeWZHO7VYRvuoGdS_mfNFWtYm68xLDmF1Yu9bWB4sDBavgCx1EHObeHWydGcro7ATNq1j9oA7pK5ULA8X5wCz7VI38NvMMMEH.sC2n_zKUGuGsjY53azqxmFsqcsjeBI3ByeCLpcfwaupjjQiGwpYgYdaaj_c2RWGCo_SKL8nAb3Rt30lGBYhOXykfx7ezCe78pZ1k4eHTWL2n17Fpmr_2UoBnZFRhPBihePXfeqAqiAdUr9bGRixwZ56kigP4qBbmPnFfQjF17XCBFERmqjwDz25PuDfSILMxJU8FXSpJjL7YhhUI1DyjWmAa2gi_kyohpcyUQ1UmIicTsdYDNS_.NYhSVnmlns1srUQoG98QnvXKuwCpzlagL2xmZdd7EXNAlPrCEnzjSLmZK9Y596nxMacJq0v8WeqBya.KPZJ5bjLGbv5aMpTZWFKkaoVREBbvnl6aNfIFsItPK5XiFM7w.1MQkkQHbJ17kVX0cEtDek7kOGbSBJ7ZTUlIAFONNpcr8E_QxxZDj1fixp4XmpbL8jkJuiWb9msxRgujLGoePCs_6SHmuUXuyDPzXzL6AxgimEPB0oWXx26nEJz.IMouTgf9x_5uN5uKO6voAeoLXLbL1EIGd9O6SdOCrtk6btleHcWxCEKbaMn6AyT6oYSFvUMyAWrEiIX5C3VTowHKUDJbaCqNmwzZDJHjpJxQqYztE0ZcgaoIvYHSrOrMYmd1dSEenvK7OzFGVUs1dyn3xF79Y.gmxU.RD9R_4oxVsgmPfqvhf3EOLnRdZojcT2ZkkrMKkNx_dJDkEN6xZz0c1MIbJ_ViJ6G2YEYCyDV6ZWv6kFtZLukgzI9eSWW6LRP.sStSXq19vwe39bEoKaPgPPuFXCaHVuMrsBG74NJ.lixebjEfmYVxHtym5MjiwuiQkWVcScGVN.ChefvDYIQwklo.rOyUYes_GRUgpvIuBRVLmdxamPzwV7t0nsFcdUrgs5DFl6TFSE8DQzWxv_Iawn0otu4CxQZDmCukeS3XhvPqcG9s6UPsnebr5BRY_5QOx11_RTA6UJ8O04w.Ef_3O71eUSLc0Eh0leVcYTljNk3ApTDbDdKHaS2EHRqjmGai2Pvvse.06DwPIsJpBcP_yvaH2osXA8i0qHb9UKs2vgvkik5cSICyjafXJff4Re.nyplb227NiYEs7NPG10dL_e2x6nTfm1wilJOVVwmO_j.CIC91TkmecdeQ66i1GbcZldd30rDlSt9kpmj0.vQbW12GvFH8C8Ck2UW11guLPwvOgsQNGj5yTX.6NReDBJmN7pd3OvPk5jHTaM38MGvjGPS2jk53Id1HEwrKP0rV_2adsH1Q9LWPtQ.hSuPrvcBFyaiBdYLzcdp3PW8UPBaOXt2nrbfzOoMv0Vro3rkTEsDAIv.NZ.KFdhpYd.pvN9kQkRgbj1CHwP3K5hJvs65Bz18igv1vRQlbEJOp6HvmYQJP_zqjW8zrwqRcsKm7KxhJajbnA4aFSWFbZt2vqbO3Y7BY8ayJ3mug_2V4q_vh3t5V_I.HHr29.3QaQCmUUkOjk12vtTKhmmgQZjJHYjj8HFtsGGfxIQJf51v1dvUJj3g7CIRS8U.AhwZcHu6PtMkafxxkLRPNmSvv6BB1VJCLiDPP_2pdlZdKfjOAKDSDNJPsx4Ydf4e0zceVi1KPqSTyxSFgv7_9ysC2V_WS4lHfQDZQRhyctqAEn9gso5vhhKoltQJYLlbxut_9I2v2eNH0rC58BLUE1s8x2wTSIabwUlH_FuU5wZ9c8Jo2EphQ89lOxXdXs_YI8BXDN_RPvxM59pG4tAXkGzEv7Mo5j7j4UlhHBZS0TsclGU.IdoS3KxjEORvaGlRL3K_7NrhueMl0RlJ1OSXLLWsNuYI8vNgLDStlxUcAZHF9fSc4C9rhsHQ6TBugTh3v77q3mdVZUjkDTH5n9Uel6hvCq.s.i6C4.bhMbD2jdd9X.Z0jGLi6CUqv3Gab_zmR.1.ElG6NC2sQjQWEgO9zeKagS3WvHbGuwrdCyl3R1VKjGh1a5B70Ba3VDXVPaSRgmkusrh9PTdSjb9ZtdK4b.gvN41ZBp4NgbRNMDAwJqXC61OYuwyx.ZvVJeQPLIxkm9fr.4v7qYan8jGO94BT0E4qa5AGtPggQmGJlsLpaGbEh581k2db_fwNMLffcVNLWZQLf7Y",mdrd: "ZojW5E.1YbmWXA7UppZi0lmKxi5KxMeM0j90Z8mrLQI-1739133661-1.2.1.1-JoMb1pS4VFDthjYKRPQEqljZI_j5wWY9Z0zr6YZnFmzJBPCRkyNBC36IeWlHLuov7ZoQHLLc50NQ8O0cHk6ycNGYFNrT_t7PQxnLcfN8MzJq9w7weKeRoX0fIFe9EnUgH6IqNJPyaDIaGxAr3FLRpA5TrJ0rCNi4OKG4uy2B4iCZ25ow1LvwGYOCIsNrY7wdDpoXKN9_.LGv0LLtMz.wwfhnzpspxHH8bCXsgzU5EjSvYsG3YftKPLsJzS4ZmxRhz_9o5hsw6D9789P0x27juzwnAtJRl1kimtoqpK5GOoQAIC5X_OWT9DMYGz9iVH29VXvA1lin66nbx7GAgOcbG1H8iLePZq_HqAw_EFVfdw..wh_M7MhtRbaZMyBjxp0ofZi2r3XQbzKQDR6V5SBh6zjymI4ccDNgSStS5A8Ug4awbTKK8vFRGIKc3ySle3evh2ouAUm15kxzhpD4kbxaUhnwNIYFu3T_SMax_84v_.RFugoNOQjqzab50cE6gKeywNKnm7AIliypCvlhZQ76lSWnYSJxxi48LH1HhjEeg5BQ5GJSLOwqG6TtouUxUfRxF38UTB5_lVSgiAjXrCLm1r_BZATmDwBT7jIjfPiPImRSQw.CHFhvt8hrIUNPH.rt.9w2JSU12lVXknq_n9gpuaWlnpE25s5RZCiIdd.1mN6Y6d2daTJggo1bCi9grgvr6o0Ee5NysSs9iDMzEBtZDyc8fI3B9P.iZtEyFQqMMkoyfjs39t2ecDjjFf27YKT0i6RcZFdhoY19nW9.RzF8hFs64lQppc.qCSAVL4zzcpf3YAT5uKVjtA1lM9V4QSUj1M8yn2opFA23f3TsWzu4NhqOGVdMj4ZYxXfLNXI8NclUW.4git06Dyb259ZIi8sRzMZa2wcClviqrOeiiUeTlCZwSec5pMKY4tveH6VGSqmsTCmj9S51zK5SdTHm2bpxqeueH6_ARFBPCqigHC90W6GIzs4EkD8wDUGgaZtSItXUCSIpVThh6OIzAVnShdO5FCsIhAX0IMxN7xe.scKws4JEZrFZk_nlmglMuTZ_T4trhQPqsVchExpNch7lwBG_aSmcUNzf619TEH9Y8ZK6YGwedMIqex3rCu.hNgfsVS.ieTLEwiETkc_qJAFIe5rig59Id1NNDkogbw4pVn.GJsS7t8hnStXYNj918Hw_D3TbvzH_sZ5TQzUAeX7H9_Dw7MkDD0wsoGGotE1uBAe0mWyr7mo0Kht34ruTCKlnmJJk1FB6opQ1baArwWejUkA9hiS9I4dKkzT3TR1upuUM60QXMokEll5VXM4TJNF.9_8uQmaeOLIW9PVMqUDBUEHYmEE4w2EefrFfVkB0ZL1lb.0UDbnrQhqoE0J_KzE1SulXymnr0ObB.KnPN97Ca5WFu5QhJmu.okPWzjim32Wa3ZxNiTVfcFFz7p5T7FjD3e.c2JjIMGcbkMBoHgtoXf_BLhLUXQ6OydHRzwpQUOSda5vx2Pl5a63sRykQAKpzvnSMzqKv8PJDWR5bCgkjgkk7xfS.Hyt_CGkvaJgwmO53f.qzP64VUGS_4Np9hBRKyWfgnlFg5rnpgfQXFfz5Ww6awcfhBzGqvO9J2Qb50p9z8soGaI1Lt3KC1DfeK7BcPLHdfsveeHvNTKv8v0wHNACKyDHuthlm5JxNiqpqESDbdxqZ.rCXfOxJ1ZIKACx0l_tWRwAiTIeNkabvd7nMYBDMJ0msFGAzFuzNPt4mD.wjjvbAgRZFQABcQwA25BbypOxMLBLicysvUt3rcn4AzINVrGHcRn5DEbUEY3W47rOqb6OBHZ20MZkPwDGfxsOUvIc"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f6ad873bc05980';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\/6978412035?__cf_chl_rt_tk=2BNiUiMmK_BWQFwOxiVpabqjwIsO7EVEwOC6MU3ck8g-1739133661-1.0.1.1-3HAPbwPWErfA2DMgPo0CgPwHQTi_RlW7rq5TxpnZhc0" + 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