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-942778820375.mit-edu.top/post/3670925418

  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-942778820375.mit-edu.top",cType: 'managed',cRay: '90f37b131d45825d',cH: 'DgSv5tdfYpKDvRgT7xMKkboCnOpB.DO_0nqkBZxs4xs-1739100137-1.2.1.1-XP8jTGaH4RpctJt3pJpzVgY4NT3c3HG3bb9Dabao4P1WiJiurKxAx13zWQ0O7Lnj',cUPMDTk: "\/post\/3670925418?__cf_chl_tk=Jwseg76_oQ3gQOgRMJNUmMIzMrQSMfb0iRlk1mTUYI4-1739100137-1.0.1.1-7WaiUCMgGRqv7a8IFqqP8wyaJcX3BsEq9JuqBuBwJxk",cFPWv: 'g',cITimeS: '1739100137',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3670925418?__cf_chl_f_tk=Jwseg76_oQ3gQOgRMJNUmMIzMrQSMfb0iRlk1mTUYI4-1739100137-1.0.1.1-7WaiUCMgGRqv7a8IFqqP8wyaJcX3BsEq9JuqBuBwJxk",md: "iK9LKRow8sTwujHJqv3fuuq2RgRP.kndjjJ71lcbqNE-1739100137-1.2.1.1-DmP57IAEqwwEatKZvKimg.HwnwE.Q._VzA4dCGe1QnXf86dMnHFuNsEc2aa0PTMs3V5zI20_MrV6Bq.Sa1Cv2CwxeMYZPXGcnQ23UPR3sI13Q7.4lcnmj53FO2b5nHPitwPZolWRBduoylEBjDohU4QMZXUL7jb4OYSnu4aiDQ50qONkCNot4j7As.th95MH.e1hzrDWuU_3yCFBaoo32ETwt49gui53658K.nwozubSiDqzRF1TS2GQqIo58098M6ayA68TjjVkbgw7jeWQ5S3bzoMe3rdeezC.6Z2qGcEcAa.gPW6w0fRXVCzC9K3iVZ1teILPt_Sh4Y5J3AOX8stHhQxSi7bKrwUdUT8LHJyn8fOH1mtqszPf.g4rKejS_HgJbM9PJkPOu2FqRLZyOIyqU1a3ctc0AqenSHV5YTrj9zwXX0Un_iFoKeJY3EjY_tsIntlZasUKLjqcQVYpaZwzQcdG0XMqJS9N9p5oyjqzCS2uucuqIjd4qe5nXhmBgP72OAsMgzvuxEeVkjMd7XejL2D5DAjwO365VW.7P.wOp4THtu_Qcjg_8Y3dHXolUfscmE.IQ7rbHA3vr.Y01e2kIgGIJHkPepU2a.6EyDvHPGGliTaRhvkSGW8qoDH8boHLk3DY9lPxuZBLtBib2fWGICaNAnw_5SRwp_4n2gcLYsDtqflFny_TF3SNlcGWJBEOQYi0uscF6.ldpsYw2bpHZcKfMzDQUfOXXsX.SewgWguIvQwvyPtoPz8tSKUdIVLPNLRgaEbvHSyDQfuHii5ioCc8fK6jlGbEEOsZfY9ydot0MIWTyGIzBXvA2WPDOFbVK.0ZbkfCRb6N0g_QBs9aZg4slhWa1JRd2Fjn8W3fPCC9NWWK1_afHXieoG3H20R1BySuOBSvbGmVs7tG.EskadozfOTM_n2xBvy3QTgUgKx1ATGh0UaROPm7ipXR7F1EhDfVdb85wcI2wDIx61Doqp8X5zkiLiAhc3H69U_.E3q1T.4bJES7deQZknhSYIMjPoT9Dv_LrrLHv7WJoHHkIZQC.5TbcYQTTGM8v.r5eNGWvhcFpsmpuev8mVRU2UKDecqMr0mVF3LKDJ2D3Qwcp6QAce69acZpt5OP52nj9SdM599_AkWpIk4xHodmRnLD1JuxjW3spK1_EwCA3Nbu0UowmxIFNNHWVhxmoMupEBlyhTim5S1qolWqLY7CSXeeP9tB0zf50Ru.Ku6UG3o8tKvrPaeoydZTBYLyvSD32LYc9ivO5xxZ2q1bF9rFmpw_3Y8_oHqo__vIAQ2k3HDXA_4cNxN9CeXYZylQU4vARQk_R0frecFhwcCScKVJqJ2Iv363Agovo1TztuR3fAsUJV_TeiW.CvcB9nnJbwPbpBAuLdhEew.otL6Fz2GGTjVgLL5QuanrERCcLK9nwp0GZ.jbD46acDCfjtS2G.Psa7_PLDwJKqRNDQgVP7pCT4lJg1bRCtH9xjo7ddCb.lnQHU0YD2GdgpIqGd2UAVpdvZtqBbHFJrPfNoKv.sAl.Velo71OI4acrfq4jzFFgdwULiekE0dAlA7Yip9HtMYNZd5.1c.RCIenX2.ndv_VYiGLxU10hQEIrt6DuEmHCX2wQ1AsNk1eP1iQu5O6WtGPpQ_gBY4KdNDBMYdypfBtXPdtR7xXaEbaiILTgXyUwm84dGsi.QQMCBU6fKfTDJLuFOwZRbS3HUSCP6qlrJ6tx4D9TxoXAlADBECW7Q64PYH6aMB_fw5eijT559XnZqvN6vIIxvHq97eoEA6f.Bxs7mnjVIsON3HKk93pLk4yEyJdygLwE5srEumd3k4wa6Dhxo8kiXKiBNZhcEX015LHouYO0hPVLLAiqDLDGT3iX1dDGMIqFq8BcCsqpHF2aS5Gx6OBxomQ0Z6GpxSkM.qg7zW2aBqI.uxc4BUmr4KFs2oQn3nandiE3oLWUgVk08xjKg8hMNbAVkG3qGpXIY7ZjLs5AOtmUcNDPEXgCKwl9vqwP1pNm_ffF_9qrYbDtqRUIHRUgKGnJB3pFLVDLPZREZK5ia1s64Xwmlzf3KnhFsWBjNsxrJB8ScwIfVUAiy4B7CsW5zVljq4t.KWe0yxPnlo4SI_L4g7AwsFH5C2NrIFeewn7bEo2DcDR656nirnEZAInRZM56Dh_cQsQ1O1Zj4tHmYX20_wgBJ_2KQh4V.1qVwko58h1IcRwA6noCrRC3YlmeStuTN7m5IP1mcDT",mdrd: "A1iZMQdUPB8MlAbNW1yHo3x9cBPRXY6z_uKF4X4AUKU-1739100137-1.2.1.1-gMFxZSnNgOBMUdR1KY6OAe2ZDzoEHziRbWedz8DPoq2Y6Z4C3km65AEogKwbQxhAjtkWYFf1NT9XIniQZHvZqN7Wif_3opmTL_cxENfsWfvmJxOrjmiBDQ11fGBCvNfz.10juzvlqjaTeSZPZyhuh23eXZMx0ME6NmKJIshxtBPEJWvo.QKOcN9et9CffJfc8pFBycNyrDYyXNJFPqX0cdWs5zGO6BJV3hvcYHRsE5fSxhoSBsmtUBNVnrdSyG9A2kQgF6EVOOcBGstTFt306sr3FpALaI5C9JG2l6wv3nuSH7SCpstYCbTLSqyZGtWkgkmxpTjX3pwidgvvb2cX3BtTy3qpljk06nVqMXQCZejasJYAwa0..TrpgrjOPSPoZnXLktoLdgO5aZqD1Al8Dks52DVwoOSXbrtyREi4HnYvoH2aNS6AvNg8qg7ohzhlm0FGwDz6XCfkS4fRyrTiLIGDtoCstBN36uh4gWcPFPhCcjdlAAFBuWENa60Epygwbn_0cU9xS9xq7BXGT0GxkhM2VU62MCRzkPzt1EYcCy4emCYoBD90pwBcYl3hVHiv9oecxSWdA7Eqb7YP921JhuDfKDaxMavMI_DqzkapYY5HIMIhm7Abvmiv4LlRq0VKJ1SQ6S1tFOfDoZlzLx9.wkVftLHLMj.iFmglKoSN3JPDa5UwdHy4alipfnPw_D.ANLpZzNDFacl4Btha5f1hKUTVjtMbsVjvlo8qPV7a1UWuF.n.cw4pVVRu4vf0dphVABPYxZx5ArXDE9cHbjA6GceuNU.pO.ayGjlLhBjpqtj3JKoTtng9ulaOy2auVucXLIXAbNadvKCZJn.oqN._UZA1h_bv_jdGDHQ8kpzcYRVR1tZ2t3SQplcQhl.LQwyJ7Gc19WKvgp3cU6_a4mpEjIJJ.nsJKOPK6pu2yP2L.7QUfjDyxeh6.Z1uxusaD..Lz_ApT_OQMcSvGfQFLprWLht6nRCf57x.aOVWZtR_lKk8Xi9RWH7V1yXIt9uNAY6NutpaObBAfERaR6IJiJcdldezrxzgYfevzv2l0zzvDobYPCB9jPlFk9HHdTXBQ5hyVonYAp5CRf1pD9mk3z.7.Hyg5yY4VF_VFBOE2Z6ZMjdVIk0bqhcJk5KDViDt5GXokDJ8uEAJ8AaYVARu8MjT1zxqV.aLmZTlZkAs7tiB0i4rebP0Lh.XyogOceFNjafRrz2_2QAh9c.EMhw6VWU2NTHnzyCDuicgDHR1OAFJuObd9x4TiDTWHVdqUCKfJWs09QplzUQZjQaVTajMaFyvarbgyvwrVP.GVFY_hF_0VQ0WukcsdZT67wWKRCKWO3YzN.8kej6baMZp8_vpbOYzpNO6NyN5OHtfD35duhD38Gls0Np9WqdVwMwKuP7smTuMqRcZVbBVeqJe1N6.j9uwxgQai6WLbhuztw0lk5ts5XXH.6r_1qKZ0JdS3gO0wcd5G6bLUk_bhAqk.I.NScqIbShD9GfefoPS6gZCcAIao_uJ598vcIsV2UQyx9iDDJ9P6Uk8n8B1RJQjafrUA1iMtEEXauHF2ZJ_c1AMekUkyxYFiKvVaJ70EvVt8hxkrvwTxFHZV0cPhPn0RzvibwbbwJuajwm57AidKjO3rORYF.0GMg4w0mp1aLWEfEjNKGl.gOOQJPQnYWW80CPyPrwAHakLitVN33LpLfKFvEU7Sb6fddkRerRjnYzxm5kjmLufVZoHPkbQG7Thr1D1zPs_GyLWysFpymgXEzOxuVcguvQrEkBa1Wb_Zx0e7_m8VlmTmFfNs.dhupEgjKOEFq46CtkOW4eAgH1gkms5ezP50io"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f37b131d45825d';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\/3670925418?__cf_chl_rt_tk=Jwseg76_oQ3gQOgRMJNUmMIzMrQSMfb0iRlk1mTUYI4-1739100137-1.0.1.1-7WaiUCMgGRqv7a8IFqqP8wyaJcX3BsEq9JuqBuBwJxk" + 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