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;padding-left:1.5rem;max-width:60rem}@media (width <= 720px){.main-content{margin-top:4rem}}.h2{line-height:2.25rem;font-size:1.5rem;font-weight:500}@media (width <= 720px){.h2{line-height:1.5rem;font-size:1.25rem}}#challenge-error-text{background-image:url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIzMiIgaGVpZ2h0PSIzMiIgZmlsbD0ibm9uZSI+PHBhdGggZmlsbD0iI0IyMEYwMyIgZD0iTTE2IDNhMTMgMTMgMCAxIDAgMTMgMTNBMTMuMDE1IDEzLjAxNSAwIDAgMCAxNiAzbTAgMjRhMTEgMTEgMCAxIDEgMTEtMTEgMTEuMDEgMTEuMDEgMCAwIDEtMTEgMTEiLz48cGF0aCBmaWxsPSIjQjIwRjAzIiBkPSJNMTcuMDM4IDE4LjYxNUgxNC44N0wxNC41NjMgOS41aDIuNzgzem0tMS4wODQgMS40MjdxLjY2IDAgMS4wNTcuMzg4LjQwNy4zODkuNDA3Ljk5NCAwIC41OTYtLjQwNy45ODQtLjM5Ny4zOS0xLjA1Ny4zODktLjY1IDAtMS4wNTYtLjM4OS0uMzk4LS4zODktLjM5OC0uOTg0IDAtLjU5Ny4zOTgtLjk4NS40MDYtLjM5NyAxLjA1Ni0uMzk3Ii8+PC9zdmc+");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="360"></head><body><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-229351368157.mit-edu.top',cType: 'managed',cRay: '998a4bde38603885',cH: '4zgURAnKclceKpzuA3fUcVqACAGxDUHrjSxQyJAw9.s-1762156390-1.2.1.1-Qea97PQuDAExpxu1.yo0UgULtWwGu_1HsVhs.W5F3aqzPv4z122fCtVmSZYeM9HF',cUPMDTk:"\/post\/2067148395?__cf_chl_tk=JswIyk6qakmH.tq7yh57R0LYqaBXm1iFyidHq51G0ic-1762156390-1.0.1.1-OpvSy2zEDelK2ItbzWfPlxN3sbC65CfLy2rmxgoJrHM",cFPWv: 'b',cITimeS: '1762156390',cTplC:0,cTplV:5,cTplB: '0',fa:"\/post\/2067148395?__cf_chl_f_tk=JswIyk6qakmH.tq7yh57R0LYqaBXm1iFyidHq51G0ic-1762156390-1.0.1.1-OpvSy2zEDelK2ItbzWfPlxN3sbC65CfLy2rmxgoJrHM",md: 'uiRfdVJBjOEbDywtncUFszyXVprdyScEAWhJIdTR5Ig-1762156390-1.2.1.1-fQMlb6687aBRt77xW.Sgl1pMyRBxdudhEQ647DOZsPqg5sbb_AmB_Fq79Y6mnRZNU337tcrdWXcUPF8oQ2j412Kb5tHsfEomz8TpBq1NO3zL9uuPHg84qd9w.vSPpjegK7KO_O3eZ1TFDZPoYymkC4K4OAS_P3nWTq5MkXgg3a7Bmm19tM8xfdoYTkhAFe4G6bTaWsAk1S9aTwlZFBSbaI7EGp_ac9wkjVc0NWx4c7B_dT4ad659b8hdJAJ4vGgOpSUxdyplfZceQmWa2boVXxqyvaZVCwsxv3Pc_IsZfy.ae.1fQ_uQzvHodfizUVDCXO0lGQ9U_sxozTcFAbihtqPf7RKtu2bUvYHtMYqJjZ3uxF9AlH3Kkx0b8Ec5NELFb0.NhdhOTx9N2HV8TF55Vve.uJMH9wFCM.8Drac6wWMocUIH30BEu9441HmEQZlXQck1OltpqXpsHsAvDDeMIiRxC4GdJPKkQzC7zMCq.KJN1OFiKxoDzYIKfaAggYmeWDtkRU83iC_Lp9ZGzvoADQD2kGNtUiaw3z5VPfTBYwe8Q6K1ujVTr7wtNnVRp4PKGHkYuV4mopwTbAlmwX2i2znzFM1pASjhp_tmo8VOEs7uo.ZvuzkftNmfbhWQgJOia0B1iXA1LA2PfFhsEOggDtAOVt9bkepAb.IUABL5uHttmZZFPMKdZQ0GaAu1j2rYdvlDeGl51l39P99uLr1Max9v8r6U4BY7ZpRBdFI53FWKvr.oDq9t6tXl71u4hIBCt5wy8ix9EpaTbnW7NSSJjrcBUO9qdmAuVHQJ83KpozwpZHnTmKCuBL_Ao9S2hBgTWzpvGRyz1RYNeb1MCm0S7g',mdrd: 'MeMstytNMHrxqWFBEMibvVXQaqqbA5NpprGhp3.V0II-1762156390-1.2.1.1-aXZ4rJdCm08TUKZ62Y8pYj9KGuUi0lf2UEjArn65JMS77lCTkIv0uuiFDSIZ186LX340dx1hn.Ewnr1akbnQ7cwHR7d9DyqE2Sk_HEv1Oksp9S4CwDC8DMsRzo8_F5uJuAhvXMGwF60uX2ocY4Pjl8QIUQXSujrwWaVZnVye_m3bxyEA88JA_4ywq42zmcgSMt2T.cDVPUVW2QNyCw3O4Ai0a9tI.8e1WVWga6jAL9IeDWykxN3hTp_fncDE40FNKajauO6LlzyGglR2BUOo.14QH_jeoSKdDU69b6mLes1GVaM8X_x8WOpfvQ8DtOewaNhb6N1e354lbmElKP1Fpabhr7N78bDQn_6wmUoUsZsFqCCi5d66uFJfDKOjy0edqE8pXLBZUpfYlGaRIW9w2an1ad7XjAkeMAoV6vgyx8LWFN8DZXwoWs_bkhiQp3uGyIdlpNLVNf7JzT6MqDxRp05ydANsxXNQWu7eBrPofNEcieIJ0p0FKMAMJi0W793GU9pTmQVZC_RbVmzXlc2Rdzwa31MDhL9t.Uak7qyIYvCn8ylDvr1e1rWEONAHw262C_zme_BIO2GVE4JoM42_fMg.zpyzyN2e8DkAi6vUISXLGVkn8ptry6IZItdzJ.iRB76T6eLuUd2mQPwIsxbLPEkOL_ve9UVdkHkQGPQG49XSrl8JqmdK0E42DgmX_xSOdiqJzFIyFJkGaDcIb0zLsGjTDZ7aq1885nWTitjrIuai6wz23EhEIarZ_6Lz8WJg4W6M0EvZs_7zMP3Vl08KXdx6oSItoG.5kfuptVaXaUlstvpZAOLb2AM67wiJkDvziusdlK0w58.CSUhAwvbLXkiIE_TDUqiY_E0keZaNSFXmP6cpP80TlsmfToOWuEPCQ91WefbG2laAmJR_I3BQjoNP8CCEvoo2V_lRJv5L5_aYqDGBQJ1pJYItLyu7EGGD3AVqA5VQXY3i3OBTznyrK1hstO2A_YY6bb5DNAvZ1NjNZxGGoRDttc7iFxdTSIFWS6oy.LIdaW6WLi9YDhsVRKyPEYUBa_vHN2y8godyxRI3DhjTdcsXjfnYA7ocwzqevsE2gjLdqSKw1XUwqOlkObbULxaHuDTO7sNHvit0USUwqZn2fz_ygRG5a3HFuVM_aKav1kuqAy.IMSYaOBK1zL2LuhQc0N.PT2RxLqcQn.9JAJnBM0ovNpEw9Op88KNYsH4p_BOUxAa8LXEbZTUkw32B80NJUCVhVlseQJS0FWJyOET6Ftfe2I99rfxq3D9sPj3Iphm1ffSW1yg4BIU.lNAlqdiRsf2_7qHNtqA3V5Moac5LGj4UQ7VdfdwgsVjfHgknCIw._mmWzSFQcGFxfCgKiNvfqibAa_yL5LEuCxa5kvaORjRqOorIi5bByL4xZVlNaRy8YqocRh.KLgkvKu.XJfdL3NLjbR69EUxUWNymWPrj7kbM38uXEZkSHnednVsVNA46J2cL64nqQWHsvTK3NgETep3Cyu0ZRFI15kYRoZnIsLondoFKrreB37eCRwkbpc74j_1Kesd9D4UWVs8fscsd_Zqj7EG0x0pPOFBw1n3c4inJRDpYKrDgEUEj5_.Ob780VBSPxdufXYjRmdr1cgaA9oBJKYbf7ddGCjX.XHUR4xZp_bDWbldB8Uh7eivqOaYi9aGPcFlkmXZ3KuOLJA6cM38gdiah4NUpxVe9lp9Ua1kcdu1876upMdEA7dCDEB09I4Or49CRDoUO4Kh8s_KJUaPx827BfabJQxV2OfHpZpde0pwW9DiD_olkvkyFQF30U5Hloo.gbUVPKyOWsJdsaqwHnSu6S6ErSbMQnpjvg28nwvuTIubuJd96wl8PXZ1U8ADISiC3zlt3gWBQE8EwTnNoEtZa.y4oG5up9VMEt7FCTyUT4YK4ZM8TBFZRtdSVlYr.9uGVD.neelt6sZv4x6xaSMFpqRLQipoe4qV01r2h4iilPX5nlMYZU5vXcVP7hbaXS68eTg47yw',};var a = document.createElement('script');a.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=998a4bde38603885';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\/2067148395?__cf_chl_rt_tk=JswIyk6qakmH.tq7yh57R0LYqaBXm1iFyidHq51G0ic-1762156390-1.0.1.1-OpvSy2zEDelK2ItbzWfPlxN3sbC65CfLy2rmxgoJrHM"+ window._cf_chl_opt.cOgUHash);a.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(a);}());</script></body></html>
Home · About · News · Docs · Terms
