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-340290559710.mit-edu.top/post/6219853407

  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-340290559710.mit-edu.top",cType: 'managed',cRay: '90f87d728ea5f283',cH: 'BNhh5MsY0gFOyOUyDt3rPwapnbCNIwHZQiDLFpsPBIA-1739152663-1.2.1.1-Bcc.Za4G4JKCK36ESu8NvL4NnYg.5d_Zt9Vbjy0rbThby.DM5w5T1eK.CD7KgEgJ',cUPMDTk: "\/post\/6219853407?__cf_chl_tk=mZ9NoOqPTKRo7j92_Cw77Z_8KMQnlUgK44qrnvdtyKs-1739152663-1.0.1.1-f2iP7bZxJFMlOFK8fzBnFYbTFndn6U35KxllqyvUXr8",cFPWv: 'g',cITimeS: '1739152663',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/6219853407?__cf_chl_f_tk=mZ9NoOqPTKRo7j92_Cw77Z_8KMQnlUgK44qrnvdtyKs-1739152663-1.0.1.1-f2iP7bZxJFMlOFK8fzBnFYbTFndn6U35KxllqyvUXr8",md: "Yvc6otuQkwG00RCgYKHaKeYLMHZSq7woCb2yXuEAnx0-1739152663-1.2.1.1-pp_eWTjLXStJwjt4raafHSKFUXSXfAWcr6VmeC8LiA8BUDPZKWcT5Ex92cCeeM0V.SvLST9WwBI1q5sbF3R3fexffTopJ6prSOSQxT4LzCZVd17fzFPc7p05vIVSmDO42onlNeJLAMvts0jyMRc9gCAJZtbP.WJ7G0lJHBg50xCS1g01kODFKd.lFCeSUFpLuPwNOs0aHbjH_VpvnKafC.f7Fy9b3pfA4id2WjtrAOfTbt4OmbBqsEv89ZwohN8hBOTFjz.v4xO.hS7dvu6svcYcm6vq5wMlZ3cs5XDybONILVq42UHqjxMbdHtDke.2Kt5wIrOpZdkeWQ_0Y5gahAZD1MaZLX.Ikktv7oUG0SGJzEU1hR3g3qC8CjrIkgyEg64tXdjXq7bJRGNvRR5.2sF3J7vK6ZkZeiMBwUTAxPglx3Baoez8Mw88njTqzRrVBngbqGqhC_lZwJza_KmVBh7cLgAYOV.cdv53kPoEa3.GC6kWCVwZm9HQzeApooi8FmkmIEN7N4c3VukOrmM_XoPi5GXmXUz.50U7Nrxucq5BW580rm6N41h54DK05w2dgsiI4rPuFttfyrvpiUAZJwCODRB5QG72ixgCrFkz8ev6v9po1r4nS1h3TrW4L_3SDVWuH81daqOVb.2kz2JRH7HpKNgL0b2F5cgQewAADQ7wkWwzrRZwF_mjoFoo_UDzivJk6W7Q11CXLKSTZoMBbubRA.0dtzfpWjyAjwUZTUcd3zJQa0THHhmo1f2gwtC6PtPFOhdIKhm6p7xjDPH1xFTuSKRv5x6x.9cfre6YHEtLzu0_uSQsMQ.zc48kVLbKv5lAAcUYrwwEsLFlk1FF_wiwtVKoAAcGYSebnW_zIbJMJrymbiu3pRkXRaLQTSIbz9LXTfoJ0roi3oDCO8vgyZRcER8_DYsh35K8T0cUNB1MxfdmIueVqGGRCOtyuLe72Zoj_YPyIl4fifAyTIn11dm59smyYMpyUacsw_4LcteLYZ9w25HnbeoowRo6qBWNk69NOdqmdXw_JHZsYLL12ZFMvnHNTI7efK6s5Yhjs831i2shE3iaJPbQVimhP6ScK9SZxbs.hKESzVetpj1Uzwo3rBiRrrls7pYaPxDo6NNXVobWZJdc7JVu4Ap6Efgu2Nto9EXNTYAwCajMKQJAUZDa1gesWDeLSvi5Le33ep1eZEUAgZQD3KgmPm2bQ4NJxfEqLJzRsMJDNM5GtdslsDMl9UmsN2RkAmuP61N3X0GX2Tfwkk8inl1EVH1TF1QnPhsKcoSppZdzcF7RdvYrvJYIi3yHnmYSFCnsAUEcgzled.uLE0ub9wxjaTvrR5J_VBOQYiswfjypYkwTIpWh2pgqqnal84gK43wYWOs8q1YMkei0OtOz8M8ThaoAd_DgZdoRmijwL.UuJnnPpBQ7IxElNg2ub9Xd9dYX_F35acgDrgLkSNgUPT89RIo9FDBbY7wxupIRZgCaIN5o9vzRTvmbWDVVR1ckHF0xGhmX.TQilolD6cAhaa9yeJOTqVs.1t7jWhuSC9uywRTo15JNWxIEBiQzR2EHEMm0Uz0N00z2dgS175Y_JKXBTwTShvVQhbAkq4mBkyWTIFQ9GWESw4fc3GdzPyzcKvZ7RKSEkQgv0VpWTwwecDW0w2xCcCBagE3U7RazNA45S8yNOnWo57A.x0Nr8ZFLfABbIw5DWxeEFVXK6JB_WDUXcAm.IUfwkCA5wb76_Bua1kGNDaAE8EV2ARh7tOhv6gDmGMDTXFr.tzqgP4MkYf2Fp6bN7uJ51X8Wp_nvzsAlB4h2j4Yu1DTybJcx2W8NXMBeaAhXLywXpqiBUmMFl.lRTjQLfox92k_QZCDOI7JBJNerj6dakde4qInr0Ak6iMal88UAHA0LSQW.D63YUdXu0cGPOiyEVYFZ_Iuc4sMnFGYsyI6SnNjsawrXFI5v0BEdHwSgmyeHYD6IygO3ydRs_OMxhJcOGReAEmZTi4n_vW.fOwRqzqPe13qGNUyyiqgEgZXprIGIWpNVe.bzLJTkZ7pEA4SVRmTqibDWaBD7BvIyHYNaZ8ZhyNFUepoC7PF8S.eRm7Sk4ODpARxWVcamm7VGwlBUEQ.nMYJ0G2U9Wc.XvKlkUgaCMaF3N9So813PRN_QuUA_wdU04dHTONzwpZydjhQ4Sl6KhMM_ypvcuF2Sx6jmhAXZPv.j0qedkltZ0b4te.zVBPwx0.ibxFbWoAw8LnEF",mdrd: "mTcn7Jxryw6KgJsRdk9zQ4R1hGeaAbB1Z4yhzEF2QUc-1739152663-1.2.1.1-rTpItLSAr2nG4f_Om5Swz3tlRZKotqQeXH0S9fEqlBvLQf2IstfBYpwA_0aSGpgkRl7Hf8tT8H_oll6cfIEm4PBUZFLmEWVneKx4IgSDTokOJnKG0fzalbnHGig743hC_0fRVYwbcTyyUGN4f8P6a82KXLriTk7xzl5DJqZUk7LPEwU2d.yQkdebPaO8w0.mmepXoOEMd4RShGQGn.5zqZE6koKeqq7K7pGVY__.XGGQ3Xt0ezHJp_F88CuZXxF_IMAf16H6JOmoK28WK5zUeW4BH4S3CdzgFJaspNOcduKxJswOYEnd5G2TV7CDlTmsLkXZvhcB1R_B8FhpjFYAvHWUR4ITwACUruIHksiE6YFbqTqf8RXQa9BDDzhsIKUanAQJrWC9_EQlmlky6wVzcYERinNWBCSo3oZNuuxEJIySt72670OG9mrD9CQ5spKSKYvgCewx3g..WzZnM8VJ0dyi88AsVaklXKMCD8gaobhyHbnYnbXiNBn9IMtcJ7ud9mKSv_nJfLBMSeg4hwnKeuoHrbE3x0ayFN_rrL169FrOfAs219cFX0BgNrjheedzcT1PTVT2SbWA178DgxFNSuSrU.udD5i72tvFUieVRgo253Zoyd78MQjWCsBqNjISDxQauGZG4qlGnnaeIXifOgxi6UXUbtN4_Zdrb6gvjCrR_RSdHMfjyyUOBa4bfnlDORBi9R2I8tIpj6UHTJAfnilLoYHQXz6momPDMWKfAhxt.ZBxtZKHaKfBx436wgISsm5ds6yE_KOlpWz2lHfeHD9VH30WgcyWGOvcGqzZBnPLKwaPXN27oi9kI0rX7myIkOOvzuGCAewKUK8kedheUtinO0fNlbMWxJ6kBPr4ZSSUovCmtDyVSao3TKNkUeMmpUGiGZbrvlzKEql4Pv40G_FViEX7Q0DbGB0p0nzNuvHPzdE7yUZYvoWEPPcvLLBG.Awq6C2moF4w7Hr83jexYti.NUymqwgcLVNhDOihzNGns4s4xcfmgWFOipsl4Sf7TnBRCGqm9sm18sEiyHI5DSxLx9oYom6fGrQ0qnw7uqiEiihkzUnVVGzI7dDiMziNC9ZjR0z02WWgFQnogMXtedT6wFVTnMymJb9L5JLyuPxV.sXJMldDf2HNQB16KEs1boM5LXZCkX4C2Pqz4zenHSFJO0OLMP_SBvt.iOehKE66tAaPhGpXaGgVW60O2ue0BRFMDRCMpaPQdJH9uND10vxxGjkToC_a0Hor92fLf2iL0ARbsEivj2c1Ql7Y2hsyo_y1f.i8QtLNEKaKpdRRnIIary0bPVqIftGPS3Ky.cmlMq.RHS1cF_VIB8NhqggqoRcJuPVLxw5ihxz6NzqCVT834MPmrQnP91MVDglmwby3mIlQmhZe4JpyzkLDosbz4bskC.Zfmxt6wsMJCMZh1pEWYvZgC.RuQccQO1wo.XFBFFgscVybnwbN_1WzVEaYn8xWuj.c61478lu8qNBRB3St6jyVbFl7aIyNZurBxItcltbbYS5QWbH7_dj3i7pmIa9lQdtPoEsrTRrNccILNyhPoiaJpV_7eUzEUXAhn8eeBQJ4QguDePqC4DT9netLb1fXG_Hab.uVQz0tdyc4UK9KkmInUcuSjb54D84CzJlkfdo5lgR2wZOX8Dl4QwLGHh90xYt3Fo2keEXds_fSn9CVEDmDEtByX4Y5cghYvowZdebkwBDxuCjGOF6MfwKTGF305ivC1DeqFWgrafSyMEdkVgW9fhOKHdZOBLfZbEeyJH1Du4JKvDHKvMNDXMtNLvvSuKAycYRuheP8bBR639W00ro95yznt8oBhbogDXk"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f87d728ea5f283';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\/6219853407?__cf_chl_rt_tk=mZ9NoOqPTKRo7j92_Cw77Z_8KMQnlUgK44qrnvdtyKs-1739152663-1.0.1.1-f2iP7bZxJFMlOFK8fzBnFYbTFndn6U35KxllqyvUXr8" + 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