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-291414215337.mit-edu.top/post/4032768159

  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-291414215337.mit-edu.top",cType: 'managed',cRay: '90f4476bfcb93922',cH: '18ApIs4q7ymBpj3dOUCv3oYCsdxZuaGYtvcg9mjIgnQ-1739108507-1.2.1.1-UedCveA4JV7TKezboGBxnoeiAcSMFv9klAVtW_AVnM8FIyI4UDRS8MMUjvY9q91W',cUPMDTk: "\/post\/4032768159?__cf_chl_tk=f_Jg4Wzl0p0k_ZtVIdcAuyLPRhZf7_.WCLNr4FoVjK8-1739108507-1.0.1.1-MoxkIRQkraIjf.X9whdHtW4j9qwOysTJIlrmXkN9fs4",cFPWv: 'g',cITimeS: '1739108507',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4032768159?__cf_chl_f_tk=f_Jg4Wzl0p0k_ZtVIdcAuyLPRhZf7_.WCLNr4FoVjK8-1739108507-1.0.1.1-MoxkIRQkraIjf.X9whdHtW4j9qwOysTJIlrmXkN9fs4",md: "bGabAIPCrue.mnS8Ofn.ifBaDcFW.UW.aaCFvUAQI7o-1739108507-1.2.1.1-SLruC0Ul_CnHtvQeM1_0ow5r06UVPdomjZeVeuq7O.PvXp8nONUAqFHKPLawpuTgqnXYdnrSadRWNWV.9ZrePF6rPxaaaz0GZeCOtbT.Y.kjyxv_m8l9QL35jtnLK_zNFn594Oe83IuR4N5sb7pa9JMYNAqQbqcgFpFlqJ27Nis_uY7NnP7ux51JreCYanKtOuJAi0rhqveLXascrF_SezJ5dM9yVppp9zI4BF9oHr5YrgTd_oXVhYhBENHXhom5IV2NV8f.KExFqjV.WzOhJwGKAJzYk7CArMjAy3Gdf5xxDkaA6Zc38nTmBtTS3skts3mjPp61MbFlO.qKggqCgDSLuzuOhR2lA9abLV8ETCPT8dtyF9xd.o.xk_f2JFnZrsbayTExzXfvjVV9dh.ci.eI6GK5BxR3lONel2.obpMIb30AMkpmv4MDtAXosPnOwQ_d18CT.JGO2ChNq0udG8wnELtZDNDrG2dP2nedI2CvxjPD.hRrFzKHhKRZSwY0AmoraAK6HI15OkOPdu4kyzB1ZJ6dmP1QRQuGztSo5dnXWoT6VPxr5Z.tkS3F5r4A0VWlXxze7Ti_kBsv4r.R6k0OVj8GWrykPkD78QauK72B5tRbbQtHCKp8o_zVwQSlc4FsvK.UgAsKF.a8LO0cNhiWrMqpTdorcom2khZguWyY8LBzASnszbod5UdmflyCm.zPbQBLBZLZbB3V6DeNEdWtiu93p2uwo7AFkaTEtUlr4SEvdmfGMDW4_HH2Yd37i8eCuPPXGjLLt5xivmOOT7fqYglHmMyd2fGMj8h1LExhmu3mxCWkC7kjLGn63WUClaQd14lkphOOLblweadOrFnC_tba3ctHQKlInUVY4C2sk0YrowlGWOw0S_fqzX4fC6j5tWdnBO9cfKs4gTzTKXgpaZGfGbg4bUA94rLzI0FmzhVcasKp3Px7QHNcoTdwZJkSToQAlpPodDOvKHtGUNtaegHijqp2BbAz_qzGjpjQzmHBKJoOqdvtUM2M6h5CHlUYfonauzYkAAQ.uDEUtdCqHJNmcr0cty6anqfb6NExQa_ftXtphgzCyALNL95WqTVlUy8uDT8UhRpKj1FxiLtXVXB8eeuCgCsyddphoiiIWQYKl471s9nZ4bGZbU6iLjzoH.ZcdhzDfIhr9xD6YwfDAHlvaYH_d.x109J1yeeKRP69FdST.VOHFyPuzB26Gv_WkBiZnkmoWCYIhaX27Q._Svjo9wmXMoog2gRGxxMtUI2OJx39K2GGQ6oTAreZzWAhDJPvrNQtgmF9O_L9ZRkSgLgIzsLrBy37JC7JbvdgC5RXZSnED6inrMu9lH12O9e_nIEDvRQi0AntOYM6WwK2FXsy5lpDD67S9qTmtsNj5eBLuiS4RtiN8fdHp.o9.b.mV7IfCE.zvjs9kj.8bDlzpba84enOQmsoaJ.iDWocYzKmon3U5JUrPLhOYIeISvl5ldjokOXCklNg4UI.ACRLPhQCdn2QDZyPBAdpujDS5LM0hCxLQPdzstUKyfooxWBVtphhkHrUTs_Ejp.J2ESvlSsiqvyV0aUDRnSxkjMCo8T3RJKEE5bEO.SgNXooEUt3B8p4y8F9wkzQDwaYQMsN3qtLbaPpa4HNN1iFYFbgMsPQ7RXbwt2mGb1DVwmmK.tDbip8Kpg4nw3yMbfXF13755czQWYCgK3hY9ng.OtLv8UUkhqOOOjNnAZ3.HK8zT.QGdFVaAufYpwARMeWFNJx9fDsiNRyHuKXTpa9w49nTUUSk6ZQFiWgc2lZ3QanYk8R7QXmqpSMtbz1QAIgL9FYSeQqxj87QdtVsqgKZEUd3Y6toearXpuY8FDmqU.n4W67MbBW.VOnwreRb7VK6n4uInNVe7AppHZEE9j5nJedw2AbZycJeqNFglSu898vy396DO0.mdTrWl1m8lJNtvaWuj0ENx0UnSd9L6D.yCr7GaljXN95w8qLZmqEb5ogpDXTMDZ8fEL5j8A.sJWd7F9mz6nhb9B01XVHuSEUO3k1llDDMGaAPDXLx2ki0UENOK8dyZz5DAZWsH0.czY5MxbmmCUkgm.CATE8FicqKMZkXAVGMC_5PqhM9KY7ZwNPzHpiZiwCkw2U8mEa7uRQo4DlmNq.m1aP.qyeZl14uMbFPJbcJuJaw8xMaACXZg3XAdgP5zDQzcm7DTq2J8NvaSbr5YaC6LMmdZGkpiDrSYwzw02hhhRVjwAoyQ9hBUx3",mdrd: "FjAALg.XYlpQ2sbEvxmXv9sWxYfMiwljAMf6q30NUiw-1739108507-1.2.1.1-0Ayda6lEsOXc9vhagTGbBxMb5kmkECchp02jMB.RHsHijMebO8jis.0qbkHzqmuG9KIljhLX7fi0CBmEOWWQgt3vQPfw2SVRor8HRtS6dT7mtn08PLeGU9Y6a5l.l937QfffkaiCjcWR66588fu_LAiJUzvAP0LHyaK4mcQ6yV2pLE7NccDgbhx8PTEu33jP9VFRyjIkQHcAhhK8smIpSgY79k_NmY33IUwmkgKmgcZfumnRNdwEwobaPxUJdLdram9SquhNx0ha0zhgc7b03Rxyq2moKj7.71Zt2sYFYzqss4jtaGcJ3PFZKztlQLeZu0PcfS4yL4t4qhCpvjwMTk4goCr28_qfc1XO9mtsSo3EWFL1mF5fZQjfS5grfBiC9VSYEHKCtl4pxdBV4GG_LEjHuaTVtaOvHfbAZjLjS7zbqDBFJfXn4DI7rYvNhp0i8ggdnhJhQYvAhSGbDDKIgU8qfQVgkb6ekqajk.WQrirWBKHDrso8ZJxtC0PgLsM9rBDJ1pbc0I1HwXXHvqhpqX_30uEBFNSeumVjXh6RPeBYejwryalnuK8._zRw4Xj4..hXH2rqdXhVnyFdmuMW1VqWyh4pw_kNzsGmS489uUO24vaOf81o757Ncm2tqVRjPjR86q7GNib0E6hV2V7yHRpXVk8KZhLMYUyjbPz_RCFPEoIU.tZMkmgpWuoTGLjWNDD4T78ii7Z92P2mCbai7WbxxKWWv7g3k.ZHcBSUADDu2rS5OS8Xw2bcN3cdpyh.qe96iBU8G5Nnfoq4NfuKcEH.bkMvKeYh0._j2sg6ol_VxFu070INfjrfHSewdhT65vDkJK0tpkmHSeeA.PEHupXKQr4l713qQOPiC_KyR10lb2bW6T_nCFEg678rcAi8bI7Z2LNtEbxBDQ0ieadD4BJabfqIebCOf9Q8hcd7dw9RTdoOhI3wnjvrhk7jJSJh4lzf4VtlTtLGSSASC5v076ZpiVlCubCtUOt5eYtMh8foedZjmrzd2L.vrk_3m0CNPam9h15rNYfdC0AkbQOvFlqXoYsR4mCuzRMTOEMfOOVv8nF6qBRCznZEyyn0NQ6SqjSBPZqm3AIXCKmvuiRmW234XItDkugo3ENyGvyNyDcB6m_fjZHaCYzqoeZUxVhOasbBLVL.8r98JH1P0rLCrFuVd1nokvCDuO0ZJYsXyQetE2zh11fnYgvHe1J1TsN0H0eYogWx734WzozedVPkZq.GRbqcB.t3.VwJb7sAdPUZMKDFTAc51RC4om9Qdm7rYV.l3Ls7mBSDrCz7BJENVvciVDcWRRFeUMAW0DejnMXSRHvMl09XRYWrM7vTNYIa4RuloX196B_gxZjd8l7_BTS8znaq_lxE4.U9C6ukCSnrdYWOaDscH22yLibDkzb0Gn1Ga0UTqpIWFuOJRqNk59DCoQByckI7scBtbtxNwaNArkvmAjFPgXRzzVPmpNhgy9S1s24daDVtgD8v3QiJABzuCJRjJpVpria_3v6yqXvnQlaGs64Z51J..NjccUrfk7Jh4VoletMqOts_GPr2EBkcuAKTDpak_1HcN_52b6ENE6F4zRQ24f.l9n.QDuyHoDv2xQSrjIBUozzXnWdZ1VOyI1i2CFeGeeAIfV93QwFoQd__7tgcXV18i7LgEMYyY_.l08gTN6S2sSmUsLDlf.uhOlm491tjqZH1xQqC3ngkKnN20Qm_gNMA0rKeax3fqHsIfAQI3.r8PxRAcVGJhMcgYFN_AAp4aIfykl70YkEg0rQixvvdGNkp3tsKulTJ_GukoR5jBHVU2j6EOJIAqw"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f4476bfcb93922';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\/4032768159?__cf_chl_rt_tk=f_Jg4Wzl0p0k_ZtVIdcAuyLPRhZf7_.WCLNr4FoVjK8-1739108507-1.0.1.1-MoxkIRQkraIjf.X9whdHtW4j9qwOysTJIlrmXkN9fs4" + 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