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-250893716147.mit-edu.top/post/4823157096

  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-250893716147.mit-edu.top",cType: 'managed',cRay: '90faf8d62ce13b77',cH: 'Oo1rC3lArBbkpnROj2rtAa3Nx_kz8Xn2zqH4R.Sz.zw-1739178688-1.2.1.1-fjexBQsx5oRNqOKKah.49VCWP81uei_ov9wJc_ONo9J3c.3_Jc_1J2ms0Tc4HRKV',cUPMDTk: "\/post\/4823157096?__cf_chl_tk=XHkIvOJknUtqL_BotOj2UoSNgQjxFaqE5qHLfe25UME-1739178688-1.0.1.1-E7jb.XcSXoxD9cSvlC3TokrwlvM0WGP2c2sbb5cKyxA",cFPWv: 'g',cITimeS: '1739178688',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4823157096?__cf_chl_f_tk=XHkIvOJknUtqL_BotOj2UoSNgQjxFaqE5qHLfe25UME-1739178688-1.0.1.1-E7jb.XcSXoxD9cSvlC3TokrwlvM0WGP2c2sbb5cKyxA",md: "r5QBDcyM1SVVlcCvT6Vb9hXTHr4b3V5cmhtFw32MP.w-1739178688-1.2.1.1-NQtnvRAQQUj3skmF5cEMDv6VBsW3rJf1fKw7V5vOZlJenL1sq2bgnzU.fGQ3XFYi43BaZf50kvwiL9_wO0X_5HIyVQuW9wdxIvoCGW.3pvCM06QypvIjn2BqEexrqq9k8iyw6m88VtVcpyb7bLwHUX057nZTI3hMyErhMw60jmGo.VaY_wt_FOvNVoQFFuowja5Xg9M83VNJDoYyeNc5m1Y7ylTP7j6zNHrruY9p2dNESlNJzSY5rWPqMj4N9BtF0VUpXPmP77IVwLocF63BNk.ZzAuNd7UcyO6AM9xQs_PIwyo7LRDd2cLWYcIzospnolLkHDrseVFfLT21FJ3yDCq5roRD9weCfyeCxw03lvsHrtri9Diajp4p3UskPQayMWrZDsDEUNDDAHYmpzeEwxFwoKPL9YFDA.1ddejKJ3jjBZFBkOp7FGu_CM_LlViAdhMPo13Ce.VgRG7O6enySqa2uzz_7O7CcJP7wh.tqgo1mAffSNLQrsUv.z_NlFnHHsVQVwJMykoV6B_GsyHofcUs3FEkMKpfyunBt2xowaUBA4OWIZVZzpBDBTzWKP9N416VtwloiU_a6lHQL8PYTRJH4.Fiujnz4BCZKXII_V8lu45vXtYUnEUrhnaexjuSZyTHQoAbbAnR5c07kmGG.rW6egkKjhxqKdB7LYpNM2rhqVPIXyi6_k86BJHo2CdaHQSxtSt996rpQUSJYyiRRQ6pqe8ex3MR7Nkp.kZhvkUy9IT1v0cgUD0DDDHpt5Hl5sC2QBBGFByM9PS0b_JW6El3hkmVef7FbHW0Eug0Zr8z5hwiYRf5iZnaf9Jkl.yVkO3os2vExA6bC5eqHQvOXGeIJC0hgOTBsYTv68o9qQqZ3fbahMlZmeJJDiRC82qKimWquSAkzEOJm8tRFuFFG3nZHa7AhT9rBp82zojvLs6oS.yCC6Wdd3vnwGkIPXnRzWpn7UpMP0o3i00KzjByX9LUjVPVo8OK050HqckPo.jxb8J_6yBkXwr1XC4zQHs5MRxJsLjsi2VUjHbMwoMJtr1m9sSIIrlGJf_I2xFIxJkNZ0YDdy6k99EV1M1nfoW6kYwUS1nLRaoarofXr5qAPGnJh6.hJk7b59m.gb2kYWdDZb4Vm8xxccVigfeFbz3v16nnHKyamSUrdX35U2r1Pn_qDTUbMsiCygD880hpnDZqNH7Cw5Hp4MpaMralsKTgmz6F3zZRDNgyBzP4c2MSYdKCz9y5kDpSQFMpdqchu5PWAlkxva9tgIf4dCFb0J2ZBWgwDDHmw131rw82Nwomhe0BQGcAPaFjCcthpVqAENgIka04mGa.bi7sySJfLYsFZSA6it8HmPkQaYre0JYPC2bWUPwPj07YWyh7jUGb0mLywtxaBeMgB0HPgkzqXpDgp5rWc5u96x5cw9fpGpW9eJ05l3FAXgVVw1PTCpe0jgu3.JrHs8HUsLhplfIF9UJ5Ra9rN8KyDvB2PqR01aJjIHuonEVW0T.vmpMNy0HgyWVN2cbUfxp5Pv_d59uFO3zm.SmEvk1g12lgHXpeSoF8ajFMy6pG3J2ieTuzENHYji8oZ2oYilOL1Psslrkdh3P76isVRW7254vgI_UlH8QllwiVSUdabOVbwlRxpviFfwkCO8xv7l_00fd.9ZG5CmSoPmoUvWctT49CX.YnYriOPBnrbQMyqj.B3_DW9Roop5JdUa3e2HJl6MyDnB.2hSLWw4oN2LTS6l5juCL.WYAcCuJEcqg1vua0f9EDkqaYqfvDVqq9dQlAzehpDws1PbiH1UmNwFDw2qkah55Rn6gXSF5DQ149LE21NAIheaJDELQ9ccWodh5vc5b3sv5deA7J633dT4Cao0.5mBIUOzn9Vp7LRgQ3rUpdlSDnrvKRX2EmZdhiYihBr043xfXOCFzZpdiW8yN6B19ji4H.IwOKxfYmLSvBRsHQ_CTbAy3CvqA4PLQ8JjvGyX7IrLUU8Lb6hsK8ng5X1hgNsG7J8floLSiRkxhH0nff7UbvOtkuiH8GTkUUmPUQ2ob6hqWNRQLmrMkmVBKW6NzS0jvLz3nfSgPD0WZ_nzgUpROZ.OfYBtZgLG3r0SOfGrw39JD0kyp4to_HBYHwvbhR498EcJQgxLFac1Ks1Oi_kVvomrRPZkqoySmkozm5eQY5IivuOQ00hBnt1uDTvT_K03ZzyPZFZN8ON.cIoBOLQdui3hoyMpxMU.RZ6eyEsEcQn5UxtC55",mdrd: "q2nKPd3gmly_VXMUys88fLozxfgXCwoemOLfnxeHRW4-1739178688-1.2.1.1-sPECe.vCAg5enNfvgtyCz5BjCg8ZOLlY2z5Xdbv2w.Fc.WnSLSMyNhGsA2NVZ8Wtvvr4XdZUiyydnkP99QPGrkbX0UhOOCrqldFOB2SaB8S5T38i4tTzjz.MHZnQo4NxMc6NcuGNEVOPkezEqceU1M7tnsbyXt0_.wyLbEAFMaua9eChYwF4y12iXq1KqvLkUpdzFHfsyAfm._XZq69Un66inDYyqnKk251fG2xN6vkpBs1rcrMB3lATe4CNBVhvQ2rPPXKz1M9m4yFY0SmOANnmvVDSqPou4xGcwX.23KdxQ5P2cJ.Zz5BOcvqLmGpbC1lKpwnY63i5G8EvgQimWL6ZgHn.khLzLFafcflhAPOnB0.RemgEJOf8PcVP.amp6l5J2qmu.wDTZ2hqZ1ni0V8.vjBVI4TvkmPpizyftVA8DXWXUKT5T3EGehZxdMr5zZPuOqcZwOFLcAvGyZRGxaqRcIwmKM4T71MsEdJbU2HNhClQfPZhu06bamnrUZ.ri4ioaVSvtiiaO1j0U8dsDlRFtuxD1nD87pmRYcI6Fp4H2aE._2frokwk1bBHrL.OuMOmaHTpqasCbWA1ITLbu_4mS7AJY.GWoUUq7gKTSGOdwHbOSKnR__4cfovUzoId5Z4SgUpLB8PreJoymIOgUIxBJhNxrvCSx2PyJ4VDwg_wfVU3UmNxW.6KE2Ox6U3rM35.zdLNI1BnhA2gn72ddW7InwrLsOAtoFLQvdOoW5PZNViezZvRz0mPji9jy7r1u7KzYnm8r_9ocJPCDmWYvFyNCpxTgwElST4epGrG4m6GhNrfCTyKUPXmy_FckeCMYUFfkSON7rztzfVtzWNViLmaEg_IpOIwtJD1T9T3CqRIo8.OapZ2ZxXwec.wPdY40EIQNxPOr1nwRa29LGuETlu4HOzzkgNaPLSxnbxv053_kHklxX15GJ9976o4_1MaaBUuxyLITJwgoz9QJOmweS25ssqHKARg04krgNWL0ow1B5WCtRDePnXoIWCcXQAlU0YsR6257HDWUr3fNf3NlwaZlR90IS_PRRMM7meKLuW0cj4OeJmiiXTdfu9LF2l72bvD7ZHFcSthrP7tXMSfQLYPXlaCffHtH1qpdusjy6E_Z7QwT20e11yVTW5uJHM.7O7iW8jQETWY0ViXTsLswMTX6ZI0wsvSQrfJhaKLSQK2azlof086H6orzfE0I0XhI69Bfyt7capRWIjWOUUbhSeutmuj9vAO_GVgwKDKgBPv4vyMd_Zcoit3BWD1I9R87vosXQAYnJWz6BQ1oyLj6QhcWgqm5EoGbtC3X_fUARiTEtOX9JYrs1dKSVHH1lNXQT1rlKrZPeN6raEzK3cCUeXlW566OwT2nkeKdu6lwt9hE.bh7tsk4DN_wYn.NP0j7HCXx0Ic5FY5LdK3A6ycvukrPHiSYr9Je8vIV9hliNyxsBUrT7Xl9hVd3Y_j12e3zxpOZrKjawsJcyNvYBoeRPwDuSMoJyiSK474Y2y9FUOi6wo8fqiq1WapzJjnUWM_FizFNW8if3Tmr8SMca1BTKWXU6SNh.8Hkbg2Z55gsBzcxa5TNRJ6LvbmbWInKI6XkX2Uixm0bcuBjnBFgpPLVHOwrTDiAG_6ffG3i106pK51FPJi5oLAgxOJSTzh7r4syxH1wz0.Pz4zU.eK4h6pjB.XCScxUCluuwA9heEI4A2SnUwt2H1H7O7QVH21n_vFC2HWgDE_Q8gJFewsW6B_Ze2W5r5ZDTjnXIgUYRrUgSvuy20AwbzI6LQ7j9L0PmLxSdO3qt8YPd6mvuvKL8gHPK38e2ewcQmIDtAjONOn2Z0"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90faf8d62ce13b77';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\/4823157096?__cf_chl_rt_tk=XHkIvOJknUtqL_BotOj2UoSNgQjxFaqE5qHLfe25UME-1739178688-1.0.1.1-E7jb.XcSXoxD9cSvlC3TokrwlvM0WGP2c2sbb5cKyxA" + 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