Platform
Drupal
105 measured sites. 3 of them, 2.9%, block at least one answer-surface AI crawler. Mean readiness score 63.3.
Compare against every other platform
| Rank | Domain | Score | Answer-surface crawlers | Stack |
|---|---|---|---|---|
| 116 | europa.eu | Score 52 out of 100, grade D | all allowed | Drupal . Amazon CloudFront |
| 237 | nist.gov | Score 67 out of 100, grade C | all allowed | Drupal . Cloudflare |
| 360 | un.orgrefused GPTBot | Score 45 out of 100, grade D | all allowed | Drupal . Amazon CloudFront |
| 531 | noaa.govrefused GPTBot | Score 50 out of 100, grade D | all allowed | Drupal . Amazon CloudFront |
| 633 | unesco.org | Score 68 out of 100, grade C | 4 blocked | Drupal |
| 665 | redhat.com | Score 71 out of 100, grade C | all allowed | Drupal |
| 778 | box.com | Score 71 out of 100, grade C | all allowed | Drupal . Cloudflare |
| 910 | princeton.edu | Score 57 out of 100, grade D, partial assessment | all allowed | Drupal . Cloudflare |
| 936 | epa.gov | Score 63 out of 100, grade C | all allowed | Drupal . Amazon CloudFront |
| 1094 | instructure.com | Score 83 out of 100, grade B | all allowed | Drupal . Fastly |
| 1214 | upenn.edu | Score 63 out of 100, grade C | all allowed | Drupal . Fastly |
| 1256 | psychologytoday.com | Score 67 out of 100, grade C | all allowed | Drupal . Varnish |
| 1302 | ovhcloud.com | Score 74 out of 100, grade C | all allowed | Drupal |
| 1328 | meteofrance.com | Score 60 out of 100, grade C | all allowed | Drupal |
| 1367 | irs.gov | Score 61 out of 100, grade C | all allowed | Drupal . Akamai |
| 1467 | cam.ac.uk | Score 61 out of 100, grade C | all allowed | Drupal . Fastly |
| 1545 | parivahan.gov.in | Score 52 out of 100, grade D, partial assessment | all allowed | Drupal |
| 1690 | ftc.gov | Score 63 out of 100, grade C | all allowed | Drupal |
| 1700 | eff.org | Score 55 out of 100, grade D | all allowed | Drupal . Fastly |
| 1793 | cmu.edu | Score 63 out of 100, grade C | all allowed | Drupal . Fastly |
| 1871 | utexas.edu | Score 57 out of 100, grade D | all allowed | Drupal . Fastly |
| 1946 | rackspace.com | Score 64 out of 100, grade C | all allowed | Drupal . Akamai |
| 1991 | ed.gov | Score 60 out of 100, grade C | all allowed | Drupal . Azure Front Door |
| 2089 | unicef.org | Score 60 out of 100, grade C | all allowed | Drupal . Cloudflare |
| 2100 | proofpoint.com | Score 74 out of 100, grade C | 1 blocked | Drupal . Imperva |
| 2109 | house.gov | Score 57 out of 100, grade D | all allowed | Drupal . Varnish |
| 2131 | asu.edu | Score 60 out of 100, grade C | all allowed | Drupal . Cloudflare |
| 2158 | justice.gov | Score 64 out of 100, grade C | all allowed | Drupal |
| 2275 | energy.gov | Score 66 out of 100, grade C | all allowed | Drupal . Amazon CloudFront |
| 2402 | ucdavis.edu | Score 60 out of 100, grade C | all allowed | Drupal . Fastly |
| 2498 | zend.com | Score 71 out of 100, grade C | all allowed | Drupal . Fastly |
| 2527 | arizona.edu | Score 69 out of 100, grade C | all allowed | Drupal . Fastly |
| 2530 | scmp.com | Score 75 out of 100, grade B | all allowed | Drupal . Cloudflare |
| 2534 | collegeboard.org | Score 62 out of 100, grade C | all allowed | Drupal . Akamai |
| 2555 | flurry.comrefused GPTBot | Score 57 out of 100, grade D | all allowed | Drupal |
| 2586 | dhs.govrefused GPTBot | Score 57 out of 100, grade D | all allowed | Drupal . Akamai |
| 2613 | colorado.edu | Score 60 out of 100, grade C | all allowed | Drupal . Fastly |
| 2619 | tenable.com | Score 85 out of 100, grade B | all allowed | Drupal . Cloudflare |
| 2666 | cookieyes.com | Score 91 out of 100, grade A | all allowed | Drupal . Cloudflare |
| 2681 | cnil.fr | Score 57 out of 100, grade D | all allowed | Drupal . Cloudflare |
| 2697 | nsw.gov.au | Score 86 out of 100, grade B | all allowed | Drupal . Amazon CloudFront |
| 2740 | databricks.com | Score 76 out of 100, grade B | all allowed | Drupal . Cloudflare |
| 2743 | faa.gov | Score 57 out of 100, grade D | all allowed | Drupal |
| 2829 | zscaler.com | Score 77 out of 100, grade B | all allowed | Drupal . Cloudflare |
| 2834 | ilo.orgrefused GPTBot | Score 59 out of 100, grade D | all allowed | Drupal . Cloudflare |
| 2842 | virginia.edurefused GPTBot | Score 57 out of 100, grade D | all allowed | Drupal |
| 2944 | ucsb.edu | Score 57 out of 100, grade D | all allowed | Drupal . Fastly |
| 3019 | nokia.com | Score 67 out of 100, grade C | all allowed | Drupal . Fastly |
| 3040 | usa.gov | Score 74 out of 100, grade C | all allowed | Drupal . Amazon CloudFront |
| 3112 | egnyte.com | Score 86 out of 100, grade B | all allowed | Drupal . Akamai |
| 3135 | ohchr.orgrefused GPTBot | Score 62 out of 100, grade C | all allowed | Drupal . Cloudflare |
| 3138 | nasdaq.com | Score 70 out of 100, grade C | all allowed | Drupal . Akamai |
| 3153 | uspto.gov | Score 80 out of 100, grade B | all allowed | Drupal . Amazon CloudFront |
| 3165 | rutgers.edu | Score 60 out of 100, grade C | all allowed | Drupal . Varnish |
| 3196 | mcgill.ca | Score 61 out of 100, grade C | all allowed | Drupal . Azure Front Door |
| 3211 | watchguard.com | Score 74 out of 100, grade C | all allowed | Drupal . Cloudflare |
| 3214 | cancer.gov | Score 64 out of 100, grade C | all allowed | Drupal |
| 3216 | pitt.edu | Score 57 out of 100, grade D | all allowed | Drupal . Fastly |
| 3294 | firstvds.ru | Score 61 out of 100, grade C | all allowed | Drupal |
| 3329 | unep.org | Score 65 out of 100, grade C | all allowed | Drupal . Cloudflare |
| 3396 | cvent.com | Score 77 out of 100, grade B | all allowed | Drupal . Amazon CloudFront |
| 3572 | hrw.org | Score 63 out of 100, grade C | all allowed | Drupal . Fastly |
| 3629 | smartsheet.com | Score 76 out of 100, grade B | all allowed | Drupal . Fastly |
| 3695 | osha.govrefused GPTBot | Score 47 out of 100, grade D | all allowed | Drupal . Amazon CloudFront |
| 3708 | tufts.edu | Score 67 out of 100, grade C | all allowed | Drupal . Fastly |
| 3748 | gatech.edu | Score 60 out of 100, grade C | all allowed | Drupal . Fastly |
| 3760 | uwaterloo.ca | Score 57 out of 100, grade D | all allowed | Drupal . Fastly |
| 3763 | cisa.govrefused GPTBot | Score 53 out of 100, grade D | all allowed | Drupal |
| 3804 | unl.edu | Score 60 out of 100, grade C | all allowed | Drupal . Varnish |
| 3843 | brown.edu | Score 63 out of 100, grade C | all allowed | Drupal . Cloudflare |
| 3844 | iinet.net.au | Score 64 out of 100, grade C | all allowed | Drupal |
| 3862 | fsu.edu | Score 60 out of 100, grade C | all allowed | Drupal . Fastly |
| 3871 | iastate.edu | Score 60 out of 100, grade C | all allowed | Drupal |
| 3944 | uscourts.gov | Score 63 out of 100, grade C | all allowed | Drupal . Akamai |
| 3946 | cnr.it | Score 57 out of 100, grade D | all allowed | Drupal |
| 3949 | oregonstate.edurefused GPTBot | Score 53 out of 100, grade D | all allowed | Drupal . Cloudflare |
| 3968 | bell-labs.com | Score 60 out of 100, grade C | all allowed | Drupal . Fastly |
| 4015 | uscis.govrefused GPTBot | Score 53 out of 100, grade D | all allowed | Drupal |
| 4041 | uiowa.edu | Score 66 out of 100, grade C | all allowed | Drupal . Varnish |
| 4102 | axis.com | Score 60 out of 100, grade C | all allowed | Drupal . Varnish |
| 4117 | identrust.com | Score 60 out of 100, grade C | all allowed | Drupal . Cloudflare |
| 4152 | nbcuni.com | Score 70 out of 100, grade C | all allowed | Drupal . Cloudflare |
| 4231 | cms.gov | Score 64 out of 100, grade C | all allowed | Drupal . Akamai |
| 4251 | unfccc.int | Score 57 out of 100, grade D | all allowed | Drupal . Imperva |
| 4254 | iz.rurefused GPTBot | Score 67 out of 100, grade C | all allowed | Drupal |
| 4296 | nrw.de | Score 57 out of 100, grade D | all allowed | Drupal |
| 4313 | studentaid.gov | Score 45 out of 100, grade D | all allowed | Drupal . Akamai |
| 4423 | nber.org | Score 63 out of 100, grade C | all allowed | Drupal . Fastly |
| 4454 | uni-heidelberg.de | Score 67 out of 100, grade C | all allowed | Drupal . Varnish |
| 4490 | nessus.org | Score 59 out of 100, grade D | all allowed | Drupal . Cloudflare |
| 4571 | principal.com | Score 67 out of 100, grade C | all allowed | Drupal . Fastly |
| 4611 | uu.nl | Score 60 out of 100, grade C | all allowed | Drupal |
| 4676 | nsf.gov | Score 67 out of 100, grade C | all allowed | Drupal . Amazon CloudFront |
| 4699 | biorxiv.org | Score 45 out of 100, grade D | 4 blocked | Drupal . Cloudflare |
| 4707 | uq.edu.au | Score 67 out of 100, grade C | all allowed | Drupal |
| 4719 | mo.gov | Score 60 out of 100, grade C | all allowed | Drupal . Imperva |
| 4730 | nespresso.com | Score 64 out of 100, grade C | all allowed | Drupal . Akamai |
| 4762 | argentina.gob.ar | Score 61 out of 100, grade C | all allowed | Drupal . Cloudflare |
| 4837 | bnf.fr | Score 63 out of 100, grade C | all allowed | Drupal |
| 4876 | worldometers.inforefused GPTBot | Score 57 out of 100, grade D | all allowed | Drupal . Cloudflare |
| 4938 | gmu.edurefused GPTBot | Score 53 out of 100, grade D | all allowed | Drupal . Fastly |
| 5072 | channelnewsasia.com | Score 76 out of 100, grade B | all allowed | Drupal . Imperva |
| 5084 | caissedesdepots.fr | Score 63 out of 100, grade C | all allowed | Drupal . Imperva |
| 5102 | ucr.edu | Score 60 out of 100, grade C | all allowed | Drupal . Fastly |
| 5105 | cbp.govrefused GPTBot | Score 53 out of 100, grade D | all allowed | Drupal |
Using these figures
Free to reuse in research, journalism or a product under CC BY 4.0, with credit to Fidget Labs BV. Quote the measurement date so the claim stays checkable as the index moves.
CrawlIndex by Fidget Labs BV. "Agent readiness on Drupal." https://crawlindex.org (measured 2026-09-22). Licensed CC BY 4.0.