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-815841020684.mit-edu.top/post/4078263591

  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-815841020684.mit-edu.top",cType: 'managed',cRay: '90f673f4c95f387a',cH: '3qoybQZ2hIJFXUToWvpPtu1LCfkiXbOotHGUkWujs9U-1739131303-1.2.1.1-pIFdJ0G2Yl36REKUNdEjPjXCCmcdqBPEw_ZL_xLpEur7Z8fy35ZrY4gc3Lxy8Uts',cUPMDTk: "\/post\/4078263591?__cf_chl_tk=lML9dJv7LMWMwBkqaw_bbsOHhMQf57PI.WAGRNlfLX8-1739131303-1.0.1.1-IIB9bypQd.tPdiE.PyO9mVSiteEuns4F_Q8umIsvwTM",cFPWv: 'g',cITimeS: '1739131303',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4078263591?__cf_chl_f_tk=lML9dJv7LMWMwBkqaw_bbsOHhMQf57PI.WAGRNlfLX8-1739131303-1.0.1.1-IIB9bypQd.tPdiE.PyO9mVSiteEuns4F_Q8umIsvwTM",md: "8E.Hpj9RdtRUVnzk9kGAl5ujC6I82RWhuBh.c6jY7tM-1739131303-1.2.1.1-8DraZuA5aLHgRlAZCHtlUf._GJjiwtGH3hjQEUgtd4eSytYyBKaGhvP7IsyJKok97x2X8W5N8Ys2M9105NdNrQk55Wf1OwHj559WuGMqv.ofk97Z0TlLvYEJ1uaNIt.wHBHBa7q34v.FIl_T1n4wmrgsE.8cStHVMqzA3RlGuJ1oTAD0yLfNMttVsynUN04B9yjgwGc2VJEsC999nMMyhnQSGq4kB6WhjKAdEo55__L4tcskgN77AyPL5xbIqxPDauxmYfZXO8qHilxF2QbvkaOEQaqPv.hR4C6CBSelmttJ3md.m3UORmff4UjqsFW2kUYypMH3k.wQdLCIM7BUClvAoFWXSzsdx2BHcp3PqIPcN5Ah0YnNesGt4MNrzMpir7YT4oq4st92dVU9hcGquGycIB_98_cc1lwsLkVSFKkVeWy6knQBbKnQXizfNNO3pFlod351JhksvHI97DDVutGKxGBVG0zvj813e95pLZN3O3EO7343mluXIqLbYKNd54rGQz1McN7aF9rNYf9w8hz_qwoWPHCtOQv_vpXKwJtZdb_ByL11vp_uDxl5fOmZr4wGqJN6NKoYIa14eV0gywAod.uGJi1hI6FFiaclJjY8NORGHHZ3QdTn7Buqw4e5qKb6FOvk9GbjDKcRmoXi9fjbWVSMP5EBPs2y8o.4QqDrpsznHXEGDMXu00qt_CJApqjCLsyEneFBR9lQQeAnIbDdMm8209Fu8KOnkbVX1WGe7BAnxyX9HI1MxuZJYWrRBGEgGIDW7ngwkjIZ9.a6tZQiYUoDi32aQ3cXklgGWOJ9RUrR1yiEoFyz6u1MW0eua53dBPMuEqa5lrqR5A1kspZq44EGPfq_EnAWZRpnQUGiTJuMph66XDDQicVUFDhJvKdiw6gjkdHMRS6qWpj1bLgZOcfAMr6xn59oC9WqX9s47R28irpTIyCKEuf0MKh5q2SoFQvbREgWK11L_ikxwLKfPHGAhP.095T3pWmEP3d91C4gj3wHQP7NLH0fspuLlVMFI7boepHocDxo55O6OhWCHzuRwK5J2Byq2oGsf08cTjdmJRnOLzzPR5ukZJR8CiS_F1o1Z2EyJ0dC388cow984R1tQkhfS3zoyukfe8MNNfx4QCt4fr65Bo4kl8bWeCs91Ask.hpl1rZLPDm10kaZm6J6fZLmCoNupYifHikxulz2LWKC3iHueSprHU2y9BfiONSxulZLJV0H7R3tNmj3rsm4G7ymEmifVbpNm6.sSeDOJMzCrCNjegMJy.cm.d6t5DOtcH4LqAX9qr3nhhzshqcmKJi8Cam2sRi_RUUCh9hHKBQKidg0zms.fPMqC7aPy_7vJvm82ucl8R9HjqtxaLjo.E8nUqgczUU381ZNp6kCFZgkMqTNUK7mAa05yaGQhW_Eg0t6rcQFkRT.qm.F7h1dvk63Xc6A1LmYvCxwvz3FVCQNauacXncBmP4prSaMnZrqxJ89gRSrvj0qmVa_hI6ZBilXrdwwnvPa91J3LjM9_0D8b3Z7ueAIVbeFE0XOHX9WYDFQ2Eyal7VRx.DESuoaOnO7U5ITIhBPi61CZQy23unFhssHYxfwv2LpmJAbYjI_nL_gD0zMzaCMQWbsFa4zhlHvIacJJI9UR33e1hpxyISrJI4zvSK4Y1r6fwjEFE8p_pshCxMvcIoYQNAXBRSLDD8m6162FoVPzDkSbG.7DJqwuGAIzyrlQA0LYXd9dN1a1jN6Fe5uW2YXwXPDqCEaXJ8RnvVdoVrHo59bk9iJsOprD6uAEtItJhl0O2EXlCfLoN4dXY4js0P6YxzvYfFJVteRVJLhyHldDQP66a9CjyYWGgRks8byMuiMLz.KjKb2Nq6XaOlXMtEGU9LdbPGC3WjnlanC.HwCxIlbPM1W6tZhqJtfci8pQwRZhAUeFaRHjSVMSmHUG4tiKLNTpqxsNzx32TMYrnWAxhG66Gk.AEK4Lb1F1JjnjA6ylVERyTXVutuuSk1RcpG5hsbKDF._NlG6CsoUx2Ccxel5GaZaz9.Nk.mEUyFWLMek8c3c2O.9fO4.P3OPQufqIO.G08zO_fFnwmwqHIKamPZA.argFLnKM8q5CzHiwlpDLu4mgPwzf2GFfVH.YbMX_rmqOVAiethyTGyQspZveUhGFswsM8V7NzebD6_xAW5PbPbz5nlTS8M.nDAjnseWKaCiGaJfFBLZW9PqpJCysi2tBbPa25YMWclgkcmo_8wg",mdrd: "R6FGA9Qskg3m8PYLIRzK8ukzRCFF42KAyZNJE565SJg-1739131303-1.2.1.1-egqATCIq2.tonNfHI9BUSQ3A1r64WCsS0ss0p7zXkpU7N0ABdTz.9bwgtmpfC9GghmPuTQphCnjFv4O.qKb1l4Dl_SpwvV0aIFAXRIWTHqBcaYI4xvrFr3Y5gNcurn9zDrCjewzpXqhVNXINZYM.rp3p4rxzZizVXZYaAVNSQVoqK0byYTKlaMCCDvwxU2q5RXeZUMd9ZncheASXJtgPVXsTyzQ.8HNZywPyhM5apzLEfMkoYZZAdwHySWYNevAM9dHrg5tYPE8v_LZGmmnZIeyFgCRUp2ZrprZq1Be4R_ZU2pzrkTpkKKuXPgUdZCRwn6pTjkcz0GnR_SSH1c07sq5LfJx95jwpTH8JMAO307pXe0XFAJuV484.2xLe2YmDpEOImP0_rNY7._1Ey8SPkUZZ0y9aV8RRv.OyNH6DyHJk0Uax090iX9HTi3wVPtsqyRbZemDQxCyVoRXIhml00ZGihX2S6Y2CQ8QOdjDLQkR_3ZocPRJg5vrUSUHK9WbIDXTGERn9npj5YmqnoUIDztP7wsmt7Z_fHPxyzsp4.5nGoFUR2946RQLyXvuEFm3mhCbLaa6X20PuH3o6cnTxyuw2FzmXpjg5jxWs.T8y3_AVwd1cFkXMorORatpIvyiXnmnex4Ufur8u8PjTcAznWmpdfYW8Bn1GTlDcpGmw0mIWa1phX961y7o4xjx7w6LiKhi5TYu1Opx9HqQELBQQWlT75YLFoThdjEJbZb7ewPnr0M79qTS3U8iE5vD16pNX2o8IMGl32M4hapPP_pSSPl3WCjSfNjM2RyDnEXRsrRyLtoaZcAMZdvrg8yOB8eCQ4E3KMLot6y6kp0zEa_huYBfmftS_c.whhQsne_gtgKfT_NKAVWiBwTbbu0_FpaG5zBMappAvlqZkd6OfCMTNEWF2SKopSeThsmQ5_fcQocRbjD6VlgsZxsTSikWTUvvi1LUVMIVHR7AjZsUT6uRL1AzSDBOe7A3_IKie.OgVJaEpQq0lFd2HP.zDfspKNInGNSOe.6GJv0KLrUbjhTYcvRNAIcEbN3y.Gs.ZaDFBG4qI9ltsin9pJnxKp.H.LoseCMdZd5L0gU0QeNZSmGvCgnpZCZWk80Cwjzl_aEh_kna8xFrzHsuUohqrbQUEUCHmDDd5HDZUh35iHk7s7BE.HIKD0Q5eTO9vqU9FXcfReP5o2ZktnAJejVeEJy4EIhdzlBP6boCTceO73NtkTeF2ftx_0aWToB0dn2W4YKUFSRpt5R_F7PvRKwsgQGtpl57aMpARvuzi1Y5AoZOnJ8XGseVYLMaTMxcyAXY8tS3K9EyhzWSvjzMWZn01r18yPS3CYaiE4SGTMh7HIDa_7ek8gntAwxSz4xGNC_B33iz9pWFi9k_PlwuW7zqK6P.S.QvF3yxRoubyldnfd8shUVfU0zwA_HMhssig3RBJC4cm5le5bTPEHjBdtETzNj00xwwrp0jhkrx7kPzFrT.gMXeMQDE069.CogtAWpzUlGUWkPWoU5cnhpoknoknxgBDTr0z372Lqeoyjt0h9_36fNjY.NF2xnBcX7qHJfZzkknRQ9KXOkcjFOhQdtkPB5ifiLrg.2oHM6yHWVXdnQaDaAh0.yfljl7IEvtcYXfEb3mRWIXL2j__FduB.rWibgimhQGDFuLpwJLctUNZJODATM9b6R8gqli8pI99vxo1iNwsP.2DGl7qetNfboDFzYPY812d3rZaqYXdrwRUSMBPrz6vxott6mWlX6mRsXr92.yYh6w9NgVll40jfjsbNK2lnVyQc5u1dG__XzXQAk77vF5yzv8oMl.Rgu5uI.57l13KjSA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f673f4c95f387a';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\/4078263591?__cf_chl_rt_tk=lML9dJv7LMWMwBkqaw_bbsOHhMQf57PI.WAGRNlfLX8-1739131303-1.0.1.1-IIB9bypQd.tPdiE.PyO9mVSiteEuns4F_Q8umIsvwTM" + 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