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-127035632071.mit-edu.top",cType: 'managed',cRay: '90f670a3bb9cd699',cH: 'mnrJg3f1.vgtJLMzJojFr0cHuk_9vD5h0BnhGA5i2yU-1739131167-1.2.1.1-7wgjLiiWVzT10szsmp1l.kanT5ZQTu61Qe28XePktWQGqKBKo2778oR25JyfNC_q',cUPMDTk: "\/post\/8635794201?__cf_chl_tk=a773W.8KYqgNvtjxW8Im7jqVGcqXuYN5bEUbgf1pHns-1739131167-1.0.1.1-DSeIl9KuEMJubpbMpuIlTZ.KRMzhlO1LlLQfTUWlRfw",cFPWv: 'g',cITimeS: '1739131167',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/8635794201?__cf_chl_f_tk=a773W.8KYqgNvtjxW8Im7jqVGcqXuYN5bEUbgf1pHns-1739131167-1.0.1.1-DSeIl9KuEMJubpbMpuIlTZ.KRMzhlO1LlLQfTUWlRfw",md: "XUAuhRPvn4c4bbm8mW9o6Jl.xNOhTnCNnEQL5Ob91Sk-1739131167-1.2.1.1-8.4fm_klgWzG.gJDiYCNCOcDNOsifkpVgUhHZYTuuss0eA9cm1fuXhpilMIX24aoh9bs8LHwJc3aEnWHSV0Ob2E8w9MxoSfGhRJ4JrHjGY9rghjaTZzOe4MpzqdoC2E6zJE63RtlJXdn_TouT.LdCbtDWnL.WmKGKzE.wJ.2U2QS8js8yYnyHFzCao72ZhRV2Z.8mabvshmoi_Z_fcr31oWltLd3AYCXCIclnh_ZPs707Od9Hm3nXUYxerx3V967nZSSuDfL9pOWT.kbndSmAg1781eB85JtcptOLDMOjeddL1SklUZNzO5VchxY60R91FrLVRfWEf4PzJ8rtX0AQAdqQGRnJ_W4JORD7sTXD.DE3qCeDv_Zs7JX0vaAuKJd8RMq1hkoi3UiiCCeGpRBGwx7HlctmSpwKymfoItfDULEKCeW5xG3DuxDlgAtFS57OIsIjpGH6mvHlXU7Wl4aTwrHRBBq8ZjsWjvy2cKjVIvENtcrVJvOBGFGG8rkbG.VY6Ar_V7Qe5b0BPA6efKdq22OAPWaRANh9MU7buMNRsVMrD5Fw.VU6IthUZ_7z0gzIF5_wcHO4XzkZD7LZjaY0ROL6POTC_fTBZWysCp.j4dBTM.A17diiWtR6JK_1cfVuaRJukzHE1EhxxjL8ToU4SlV5c1Z9vQXQs81CSpghZAppZWt1ebGI2n67Ey8f9Ht_L1Fzg28gjQyQYkqmDds2A8R7AIKJ5LPLSunX.gz7Jmuh70RblKELjyve6O_r5g1Uak6IeyyDy1B_7FKxzpLUOWycG07_hUEbwWy8oiN.27V.tGmxZCtJY3_9_LD8WamBxG4m67pylhcTPnFYIqzYnDR_n3qW6PzKD4D3xvouCULAdSvVRvq_AKWRDezQAzyjuSVHms3enEJ5HSAPjC_KLDP70YfBi4yELwIdq5J2JBmOkf2J9QhVQV_EX5Pku00OG3u2js825KlExzTx7ig7S3eEoO4sP6em6qWOFCiZGtpMUaa9qG5EPYk6rmNpKkthfw1vfDkhp2Fn99GovGdnoYzcrt9O0cwfbe83ZKzVa9mTI.dsLVhiU4CjWmjI8HfYBKm.hUieJWPq9bWUOIVoxipDYT13lzEqu5b_4csHbnx5s9aUW043QYxQj8kWQtGKzXfWbVH_chMTbiKbAn8ngPxupCvjmCmyzZ3NqPM7rOKZFITOLtLHcnAKlxdkWB2VWAgT.YQIaoJt6oPqQfq8LSfZQ_QMhA8wnIU7iamtyjkvMq.NUGvLy3kwBFgOcy7y2vlQsnvAX8rmdDSopwHrLdK3zBQQpI7CTJSaVWcslA4vwFOKbGVwxmWyGq_feY.xyvYvqw6G0RGMQtIHiu1vAG73O6HWSaexfg_kZpwCnptmdZeac1NDwEhlAqg1CCtrMIYml6iGPWZMct3YHrNwjWlPOdROi.S2namzQbF4tWyAq5Nc.Eola3gflGGTnUWmRtog.Io4Fp_Yow28Ju1uDh74WIsd4AMWxcslTjFkZfU10AbP5Yn_1GPR44tMA7mKOEVTy5JnMqE2lOQzSXLDk9SDH3sM1MnFpMp0SE8.VO8wJpSFJPzHnqyqKMgjUnAiRPvC5KghNDVhFuqwK98UQ4jOEZGSx8kTQKPgBaEcJRgTm4KHB6emQYhC9RQP4peJyDEeRndD1G.K3R7cc0js7FUppHl1Zoj05iI4p.whfvFldsBq6pDj1xkVMiFgOwMlR787R8exHhU2D2W0..xcV71mi8H8WivMP4Qzz3LDYoKprEChvyYh6JhFLyexB_vLCq7tyvA24uxB9EXlY91KTi5USilyeqHO8KGlIDhOBlaiNawBWyDlHPMZlYy37MPjJ5cJBo2mfqgBgvZ.Wr_hj1iN9oj6VzQ8lj5TOf1etYUq38vzJrdWDnQXFq8O7RfFRZ6DK7kKaUPQ6bSCyeaxE6x1gijXRJv4gJlX9MykbKCKWK5NtIXMiA6SpISFw7mfiGJmntH.iHu3gvOwo3xdh2q6uduuUTgORTelkpN8PhV3IWENTJs0gCxn6Fzj.GieLlzWqJ7jTL.tn5mu9JmSRJeojzVTSAfGEe3G4GQ7WZObNu7ksL5UMBGL6DJrWxrCV31RP.jSeZn_doO6JjzvKlBHDKsumbx8nkbq7ak5NMSu8754F46qc3XLDZk_p1UDkaLGZx.fO2ev09Wj17nuE0i3eqHxDKY4YEhSf8YOwqgwthHKlK8FscWovHSt4Yj",mdrd: "ISGo6Xz3hJb7I.BPE0F7WVAeaZm9Y8gbdpdxRzoha9U-1739131167-1.2.1.1-9Xqv8OHmnTIIMQTdf00n7bvXjJwP3KuzoRhpEIOHxp3uyyTvdMzN1zSFdJHdqX9Hdo6zA44SpFkpAemxuM6dwThluFnMtL_EYSXeCDYdj60yFAT80ZgoIl2e4K.LVBtn4owRrlrQVMulCSWoYRD1deRvvBs.DCfIeUYkKmP1.P6n.Y.3jtXisqv0WfyYohlrEfhZ33T5fNfEHoJFttbHZ4mPpv2p7Wrop2Z0AJEtm.pNFFmdVZnd62LqiJbYrwYIsK_xBSJwyKxVI5GYBwQTGpbsIZ5ImQU1X8S71E9Jy84SfX_2vGaagcCesMfJZbTsCcrGNVxMdfrQNdiqAmT4SmSO2QUYJV6RhS5zV4VI2xNOs66DxKTbSbwnzligAH9vk6hJ12AbXT7vxwxcgGWFotAJfoq3FaeP1M04y0bIIRsCn1guqsWNQ8SMkn.Wxt3oLVotUwBfVJO.r5AIFbViJy3SUexxoyiCgtQj54mC_QqOGABBclrcng.TEtxjwvDPHdRTqpNj9_cbnFpySFuDdmJ_fbrM5wToaTcSGYvLuwhjEBsle1GjdVDs82BkeA9unnbhAyISfUDu8MR9LbPDBb0IbzjTcmVZCNou8q6CcKzhTOhSapP6NgH0xokaenRnrfEFYX2R71S9nM9F9XntjJABaR.w_Ru8Q_oj3Qa6p1SdNhnVk.U9b.D15pZDdnvt8pk4THvpfixLzog2GzHu0U9unosi9up_wq5.5If8YIjSu2m2XRe5DKVw8iX5LYAYjIo4SCmEmAC3.TTYCuBG3Vk.HcWHFskLd0DLY_f_SOhFilbZjYkjU6szDCufOT_OVYsh54ks4kWHv0IcOEnCdQ0upKQXHLH8S2NadVTYJwmV_r_2CQxtz7FDxIi.13dHryCPLnRIQ5XYzigklfVFKYo8NovRol_8JaUJgIVJ0n8hCGcW8uz2Di6O6lVmFEFrPfsyKDps2_Vo1LHfdpG95UvbTRBDXwb8SNBBwKhs.oLxDxcntg6M86mHT9fPGAXPe___8jI1m3nM9tcMkBEkbXNHrgeKdskzZFIt_G9pmMSWR3UKg4Dyu05Srp5ro1BTDJLaisOR3gwDMwE4z38Po_sY9CigAM407lvV63uItxL_jDqK5WhFAJLu_Ri4Pzn9Y4YOMNy4Ko3HegDN8VyqrjLzvzPm896RUGv5MBapCIv..voM21Pwrbs6AC6STy7mwH6ArjCGqmyKG.JuK3YJ10efq7hGKBLWC7G.2A2op0pxv0V1Elz2m9isyoWApvm1kn9Zotvy6p.oKrQTVxhPzKakTm9x1xvRHc4XvoyNvrxmUytTEkQNmAs9JUxdPRH94gawuuckTMhM2QLT_8Jxr8c0RQCPn_HrHyTiqxamELr_f5rX_m.lE_.FfJb7weeMV0_24.BJkbNB90lCaSwFPHoBK5NyjSmMn6_ewJcE87ou4IP5kNP70HC7Pbl945sEkOQyj.tEq2IDO5ol_ChOI1Zs4iy3NIrOITkJCbkHBlDdyWOtSeIaZzmBxggRx5QycscUNBufTCBvIYwheTHQNlkglHERoSW7XlK6vCZCIpzRnouA.n480poDHlMqqSU.D3aPIDTvm85WSOEsuOJFxMUV65NOC3CeqL2xTZ2NwjF69m4PrcvsPD.92Jr1ZI6C.t8DHMKCZ4THrgnkYyv48o0IL159gB0xfpYEhw_lQ.F1ScKmshWY_r6wri3.SXUYz8CYKutxV7gRgNrk8Cm4mN3WXigjlEnM3Yx2.Wf60Vs1Y6gQWFdTxByN1mr3Fb5mVyPhfC94K43.KtUlYLvIPWP5TwKYp9XO2N.bUXaXbdQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f670a3bb9cd699';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\/8635794201?__cf_chl_rt_tk=a773W.8KYqgNvtjxW8Im7jqVGcqXuYN5bEUbgf1pHns-1739131167-1.0.1.1-DSeIl9KuEMJubpbMpuIlTZ.KRMzhlO1LlLQfTUWlRfw" + 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