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.

Source: https://blog-406323103807.mit-edu.top/post/1604287953

  1. <!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-406323103807.mit-edu.top",cType: 'managed',cRay: '90f423f4f8d3390e',cH: 'awZgJStMnSq6Lh_mgloDGZ94ImoE_1ZZU4vtzPqfPQE-1739107054-1.2.1.1-s900k.EQ0efZcJPhwBPmO0qThKyJyQnLVjYJyq3chhkS2r3ljsk8qntYXpCU2a3A',cUPMDTk: "\/post\/1604287953?__cf_chl_tk=oXezqpd6gpqVYEeDRemVRcq0OtVyY8Lps6zZBmNHPyE-1739107054-1.0.1.1-jeeIF02qv8RJv5pf6JRJMPxDnjWJlOm53JB._dNhvWg",cFPWv: 'g',cITimeS: '1739107054',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1604287953?__cf_chl_f_tk=oXezqpd6gpqVYEeDRemVRcq0OtVyY8Lps6zZBmNHPyE-1739107054-1.0.1.1-jeeIF02qv8RJv5pf6JRJMPxDnjWJlOm53JB._dNhvWg",md: "BqfQg6aP0FnnHRKki7Ak3qWT6EML5Vjp7dYzVZlP1Gs-1739107054-1.2.1.1-mAXRGTwHcQ7Oa3qiRR_yV3_bLhIbqVDS4ezZ4h.XcCgDM4ClbwcRAOITcGvQ2Ew6UrJcukY76Dw6Ym0pvOLEVrKLavQQ8MxHidk4RhfQB53vDldz_4DJ4MUJYHneUIt._KWpd.MCK6jWHCb39TmB3.IFCj7AnEZ6xRZJqOSF0KsvJp7ugry5wbnCc17r8vbl8I0MI.YDIDzraFeK6bJ4lVf4Ifz9M1yiWGPAsuujddu4YCSzoUUKIsRmRhEQ2nFm7K_Y3.wDw8ODkvecAwzzJSed25izFgo62.3xLZv4Ny840rEXQwtyZxlmGi_VXeX.MlUtPXNJ51TBtxVgtzqadE7yBu8dLvj_XRFZ.zd._QCzacHhhrKL7dWSZ0R8LrbyFbrw7dMVNBVc2DV4Fa7iJaCIDeJmRbWGbLZI6L3mmEeQfcDDNFPXXvEDi6Gp5ub6l4r7.Q3BTRVS9ce.AfPldeM.ss7170Y4OkJ.NL2P7zdrJOV0SXS8JZ5ol414W34RLF459rbB37HWBvusWaUhjQtiMiXFXm_ckm5e7n8h6n89p6lAwHjT5PHVxlmPZGk.h.152ECmIP.AgfEwPa4LWbGOyTUAqLDgIDDUbJrf4Sa.qGuV7u6PCuCubzGu5aKHz29rebJ9447mYKBMjA8S9bx5FTvT0.ZZyXJRmIas4rr3vbz7MsxL0_DzPA4BX.KdTjPzUuO_LKyb6N.ZTDdsLD3uLWJDgEkKiVQkZvVww1AruwnwsatagPO5.9kRpZbULfZvYXc7_ItGggt0k9bf1SxJH4SZGr43kAndmp8t6bHlOTQKWupu39Z1Ik9ZEpPCHK3T9swoMIdV8LhcYQSVoFn2hfKdeXUdGIc0C2Y_w6A_NrkTLZyATazAQ8prccV5YInHGt4Zhw2SPBf91CY.xAWC3BOOctfCRI4MVcHzRZx4.a4YR5qBpQHgZtUTE_omYv_3cVsX9cLnm0_Z_l9ACFC0nuF3WR6lqznTb6xNmqg2c4Rcu1k1knGro1tBFAu_9SI1rneR9D.FTPQulNxEENzpvPLo8vwUvAP0WM35weZ3yFiowRz_jn.0ni9OzyXLw7p3h2lR9LwYCghak8pqEotxvo1pHCbx3_8LPgYqd1oFDrH5GnnpFVvDqbGwvYsQqDOewKOmP7oOOwEys8aH4Q8ZhYLSQ73d6BaaqqwdMpiy.Nzr7bwIaSalFRpEixI2Ts27EZgp78Vhr_LDKOkZke61899KqSA42X3a1OHPFearbeQ9hyZ5OJEeWi9rCxHtinbxWT_36ifPOVEoMGR6JAj6orNqcBESK1_hTjvrSki6zWfREvGmumVGC5qMAIJIAkySBq.IP4YCepEDO9vnkatKNWe2fZAz6pyhDGV8zHj1ALucQGMmcfrNmSLdB2f.vIYkG9gvYuxhvJjOJ8ipiPNm6yXrpj30NuYIDn5hNw8BVHBnMMRRTiWzf1JedO_zHfxePR79KmQMPZrZn_tfJne7zO23XD.W6LrdkgYbEhUVfTRVskM73qlUpIlJqm8v30sVTx68Ws1vFc14KsfBer0nAajfmfEEPpqjnGhivXz9Bcb27Yef6jfkOzxUkS6kCDwk8VFbLr45UpE40rdIu7SqSWNNiiCgZVAHwlKr7gZtMU3WsB_YMfNyZhV.f_rB9pjmeATe58Lt.33w9zcFGHArcPcTL5d3RVCIz3OQeuHjDbW2YYR5eU5ryCgthr4c6VW_FMRvG_A2jT_w1b.p9_awVyWt_EXXgiHCMdJQjegQhajzvkzs8oZZtg1zAndW7HsP3ifs71IvHD6p2LtEptZsR3CZVP3c.ISgnQQX.GO.BryCpfAMbmocdI1O9PhbP0uiZGkhgihQvVqRsm7REH6aflgViaYDIcowQA0ERNLIPZNdAGMNo2k.jjBy26JxRGxxZTH4AUnOyguK0dYA1pNu0p.TxbjppGYsjrUw14Cz.MnjgnKLhbXUU7EZM0ctoJtnpO.fLhLLdGXsthFXAFcVfHI_39JzPuawaaCcKKQNlehcL4Kqgsy7CBU1NXZHLmLazrfqhr1zJtNmXwVhy9R.AsoPZqfx99WnIZZ.OUOc8_LQSRWoCDW_PdVjfjHC18MmC8SE_Sk4pmhTMIzoGpPiwCaIJLDaCIXp43rUIepaQL1ALxklGWna.zzJGpgvuD2tVyfX9NC.Lirfulcq2RJVo5k2YDpMQPwKRHZs2jaWoURnfWn0HRhI3bW_CnTF",mdrd: "ItdP4XSPClX7GtBxVlh9XBXRjNUvrzFo3jvbGmBNATk-1739107054-1.2.1.1-97EVHWmu2iIp2sf4Yby_y.syf3UWfhAve9I5kAZGOH8KxQl3hN8fEmsuoO_ozqAS5KoOEC2EhNyHWcyR4SxP1ZkfALSWxDb4L5SVTJv7wSpGBFsOo1NVgqtSG1o9wVd2Y7gMNNBf_UcZ4lS72LgXbXt5gfOpgNd1vTfGrtT0fHXm95eEOS48NGuwtimP91iXKW5IAkv0sDEQPM_ViPoU3NbHBqAHeHwtPSg7esRblxB7LlQ1ECleDDtytOETDsWId7k5dhGbZnoZ9F6maYU3Kp_EWjyLFpjE8qKIwCyZ4.c9USBJF.pB84ZuQExDBOS28REu9SH7zVUThpDqVRqKuNqQNWYALPNyZiMbEJknw6N2XEnyrzJbee_XP1W_9qOoS.tCbkFDmheqoZT3CAMErQHdJANm3Y5hSrAUCfYr0e1UZAso0R0gfbQQo4HLHOZO7SdsYy5DKzuDScH7JSd4RFW0q4yQ.ICgWlkCrVHdK040OIsu5tfFVw41CUbKeH5yPcaweWToNtY9dQtNqa2HWQz9FvFP5ZJVgqf9072LLFy6.LROWHE.5fTco97krzjZmO40rNvH53YW1DA2xtaJ7lI6zqVsUNnhjLCuU5CWReAViNnt8EdPBYsREJeljGsy2Wky69fRmpvH58vIoWMFLpTX9FdZPxRjUiBvdUOfFT.CckYtCIuTPLfc56GwHcJLtfi6IEyGfPjFdd_nF_DVUoqy2buZPqu26JCq2hrz0.qDgg3xYanVIYeSW64LJluSHwMydb3sV0YDq1VQs9nV9yVytWK.Y8x08nRUK8wF2gL1Gra628.0CMLKByB2sqtup6M.Ng1aL0IewrhCHQuVZyAJZEpdL9hBLKnifNtfcZ0hV2y3H1bdZ76o8LeLVZxFpQpbsxWuw9VyEu2W7T9upO7prfzjC66_5ILYoQqq9HKkoXsIMqcQyDbnBUlR5k09DxJ6PCs_TSa9D4JxHixh4wPcmB2yn.Qmel_jv8vpQI1FKQ5DHioAcPqN4Mf_yXbtoiRNf0It..Y7U.M7mYp9MyDMf9GgPoNWQyw.n8pNRtCfMquF9TdPfC81S9FILmndYzRcDIxlUQT5e9.1C8StPwO6Xy.F3uW1LD8c0zKkrutZH4sYzoMj1LqOxaxl31y.Dr7gerkk7rLMwMANF3jtjQvByp4sRKgEJ.GttLTeGe.d2WmGTjhNv5hC6_mH91zzkDy8GSOyAXX1LjSP0urZYGWjGYDhYElyaCnRglHML1B0d138FUC8VhlbSeUSqOkAdLzHfytjQrD_Lqt2aUwkN3sG0KZvCgHyfpaCDwVhNXFrGa43xOzDhfHqJG_xQ9FFqnCvrvcw83bHAiNU6gvm2KBFC4WuvIfInGXD_r1JVN6yH8cwcEzF9wRRD7MJCnTYSdEp.4flbGNatWkP.MEATix.svdE6m7NSxkCwt8QX2EAvnVDtXnC2czUoBWBhXyj9qceWGMuDbCGT9fiyz4N372I7vUEUyMUPRxHguO73CPbqyVqRfOPSaWgvVCxqWNAldfI6kvUYyHh88Gd3P2Lp6Z.CI3dSRpo455b0yrdUNVmVmg.frwiV8KqKXI.Lp5Xgq37dQFxgYJcIDFisSmqnDgqZEYBPoSLRCxkLDNbHpiL3RBYD4F1BmInDQimGMqpChNl8lZ7zFbL595W7o9JtKnnmzDQHYh6jvzk7mbkwGWnqT85y5zQmQXREo9vzwXbiBxW_7eTEMKpbeXnQudNHDhjJuhtZ7gdIVKteD3OBnolgPkuC2TFnEwbenubTgSpOLYu9XDuu2K5mDmt_xX7R.z_EJ8UoHM_go82hGZgYxzT5ZKW1adBD3U.EhslK2Y9"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f423f4f8d3390e';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\/1604287953?__cf_chl_rt_tk=oXezqpd6gpqVYEeDRemVRcq0OtVyY8Lps6zZBmNHPyE-1739107054-1.0.1.1-jeeIF02qv8RJv5pf6JRJMPxDnjWJlOm53JB._dNhvWg" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>
Copyright © 2002-9 Sam Ruby, Mark Pilgrim, Joseph Walton, and Phil Ringnalda