polyfill.io favicon

polyfill.io

Category: Gambling

Scanned: Sep 8, 2026, 06:41 UTC · First seen: Jun 2, 2026 · Threat Engines: 11 / 89 · Times Scanned: 2
5 / 100 Trust Score Based on scan findings at the time of analysis
Potentially Dangerous
0 - High Risk50 - Moderate100 - No Threats
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Screenshot of polyfill.io Captured Sep 8, 2026
https://polyfill.io
Screenshot of polyfill.io
Sensitive content
13 years
Popular - #46,125 Tranco rank (>1M monthly visitors)
Flagged by 11 of 89 engines
✓ Valid (TLS)
Cloudflare, Inc.
Toronto, Canada
cloudflare
Unknown
172.67.220.166
Domain & WHOIS Information
Registrar GoDaddy.com, LLC
Registered March 18, 2013
Expires March 18, 2029
Name Servers curt.ns.cloudflare.com
DNSSEC Unsigned
Hosting Cloudflare, Inc.
Reputation & Threat Check 89 security engines checked
11
11 of 89 engines flagged this website Flagged by 11 security vendors at the time of scanning
Not flagged Flagged
Flagged by 11 of 89 engines
Direct Threat Database Sources
View detailed engine results on VirusTotal
File Scan Summary Powered by Quttera Engine
72 files scanned
No threats
72
Low Risk
0
Medium Risk
0
High Risk
0
No threats Low Risk Medium Risk High Risk
dc4cca20-944c-47a8-9e68-f83cc6db7be9.seals.dlagglobal.com/dlag-seal.js 3.0 KB No threats
polyfill.io/manifest.json 58.9 KB No threats
polyfill.io/registersw.js 150 B No threats
polyfill.io/favicon.ico 150 B No threats
polyfill.io/# 58.9 KB No threats
polyfill.io/contact/# 17.6 KB No threats
polyfill.io/assets/01kvfhq4kkhztc87j172r02k6v.svg 24.5 KB No threats
polyfill.io/assets/01kyvvjh9e7d9b1p0fbzj7jxq7.svg 20.2 KB No threats
polyfill.io/assets/01knhps0tm9txtg0vyayk4hkgk.svg 2.2 KB No threats
polyfill.io/assets/bundle-mjs-C22Annft.js 150 B No threats
Show 62 more...
External Links & Domains
96
External Links
87 Flagged
0
Iframes
Clean
17
Referenced Domains
1 Flagged
88
Flagged Resources
Detected
polyfill.ioFlagged: Generic Malicious Object
http://polyfill.io/aboutFlagged: Generic Malicious Object
http://polyfill.io/cdn-cgi/l/email-protectionFlagged: Generic Malicious Object
http://polyfill.io/cdn-cgi/l/email-protection#c7aea9a1a887b7a8abbea1aeababe9aea8Flagged: Generic Malicious Object
http://polyfill.io/cdn-cgi/scripts/5c5dd728/cloudflare-static/email-decode.min.jsFlagged: Generic Malicious Object
http://polyfill.io/cdn-cgi/styles/cf.errors.cssFlagged: Generic Malicious Object
http://polyfill.io/cdn-cgi/styles/cf.errors.ie.cssFlagged: Generic Malicious Object
http://polyfill.io/contactFlagged: Generic Malicious Object
http://polyfill.io/documentationFlagged: Generic Malicious Object
http://polyfill.io/privacyFlagged: Generic Malicious Object
http://polyfill.io/slaFlagged: Generic Malicious Object
http://polyfill.io/statusFlagged: Generic Malicious Object
http://polyfill.io/termsFlagged: Generic Malicious Object
https://polyfill.io/Flagged: Generic Malicious Object
https://polyfill.io/assets/01knhps0tm9txtg0vyayk4hkgk.svgFlagged: Generic Malicious Object
https://polyfill.io/assets/01kve1gnrprwb5k26j9zj7js8m.svgFlagged: Generic Malicious Object
https://polyfill.io/assets/01kve1kdtqc9dcncbw76b1s26n.svgFlagged: Generic Malicious Object
https://polyfill.io/assets/01kve1v7qdgg8r2w9fjsa7s0b4.svgFlagged: Generic Malicious Object
https://polyfill.io/assets/01kve1ywz7xcxaaa4yfr018dq1.svgFlagged: Generic Malicious Object
https://polyfill.io/assets/01kvfhkphmswhj3pzaqy6hvjdv.svgFlagged: Generic Malicious Object
https://polyfill.io/assets/01kvfhq4kkhztc87j172r02k6v.svgFlagged: Generic Malicious Object
https://polyfill.io/assets/01kvfj1hh1cd63y327yhpcs5j2.svgFlagged: Generic Malicious Object
https://polyfill.io/assets/01kvfj6wdkm565cc8ghprweypj.svgFlagged: Generic Malicious Object
https://polyfill.io/assets/01kvfjb3sdm44xqfk9x38r1nff.svgFlagged: Generic Malicious Object
https://polyfill.io/assets/01kvfq32v3n1bkqvtxewv14ckt.svgFlagged: Generic Malicious Object
https://polyfill.io/assets/01kvfqkbrdh5gasbpynxtp794n.svgFlagged: Generic Malicious Object
https://polyfill.io/assets/01kvfrcqyq4wsmma9pjaank7rk.svgFlagged: Generic Malicious Object
https://polyfill.io/assets/01kvfvfbmzdccjcgxx79hzt5nf.svgFlagged: Generic Malicious Object
https://polyfill.io/assets/01kvfvpch98jbxh61mxy1zqvzh.svgFlagged: Generic Malicious Object
https://polyfill.io/assets/01kvfvs38380pbyw22b72ks0ep.svgFlagged: Generic Malicious Object
https://polyfill.io/assets/01kvfvxhnygnpjktc77r375n0q.svgFlagged: Generic Malicious Object
https://polyfill.io/assets/01kvfw0sv098qpxd3mdgyypcgf.svgFlagged: Generic Malicious Object
https://polyfill.io/assets/01kvfw39ga70b40a084aw4wd69.svgFlagged: Generic Malicious Object
https://polyfill.io/assets/01kyh5g1fpwpaesws0391msq7y.svgFlagged: Generic Malicious Object
https://polyfill.io/assets/01kyh5xd1pa4rdbg15zpq71jrk.svgFlagged: Generic Malicious Object
https://polyfill.io/assets/01kyh60cme25f83s17v0t0stze.svgFlagged: Generic Malicious Object
https://polyfill.io/assets/01kyvqn2sc3s3yx50mj8t5svas.svgFlagged: Generic Malicious Object
https://polyfill.io/assets/01kyvv6b3kp7y5ge8d9tg0mghr.svgFlagged: Generic Malicious Object
https://polyfill.io/assets/01kyvv8mf41fjymj9yhxs51ezv.svgFlagged: Generic Malicious Object
https://polyfill.io/assets/01kyvvccrvpvm2bv31670kbdrt.svgFlagged: Generic Malicious Object
https://polyfill.io/assets/01kyvvgkcjmp9qz9ssah0dcz8j.svgFlagged: Generic Malicious Object
https://polyfill.io/assets/01kyvvjh9e7d9b1p0fbzj7jxq7.svgFlagged: Generic Malicious Object
https://polyfill.io/assets/01kywddcksb1qpz6gc9mg5tt7c.svgFlagged: Generic Malicious Object
https://polyfill.io/assets/01kyy91gt1s6ddjg12asvv7rs0.svgFlagged: Generic Malicious Object
https://polyfill.io/assets/01kz3egsr26f6gj4k4wwgnpjts.svgFlagged: Generic Malicious Object
https://polyfill.io/assets/01kz60yzyyp2mmhqn4z5p4tcbk.svgFlagged: Generic Malicious Object
https://polyfill.io/assets/01m16ft2jfrn1a7wmhzy2f7ktk.svgFlagged: Generic Malicious Object
https://polyfill.io/assets/01m1bn6tf1t0tgp53d23fzx0js.svgFlagged: Generic Malicious Object
https://polyfill.io/assets/01m1bnd349h25be0m6m8bshphn.svgFlagged: Generic Malicious Object
https://polyfill.io/assets/01m1e68b63kc6v98p65q825g05.svgFlagged: Generic Malicious Object
https://polyfill.io/assets/01m1q9swgtd6kxq1a3gnyems1a.svgFlagged: Generic Malicious Object
https://polyfill.io/contact/Flagged: Generic Malicious Object
https://polyfill.io/visit/7abet/Flagged: Generic Malicious Object
https://polyfill.io/visit/bananzia-2/Flagged: Generic Malicious Object
https://polyfill.io/visit/betbluff/Flagged: Generic Malicious Object
https://polyfill.io/visit/betmica/Flagged: Generic Malicious Object
https://polyfill.io/visit/betninja/Flagged: Generic Malicious Object
https://polyfill.io/visit/cashlounge/Flagged: Generic Malicious Object
https://polyfill.io/visit/casperbets/Flagged: Generic Malicious Object
https://polyfill.io/visit/cleanwins/Flagged: Generic Malicious Object
https://polyfill.io/visit/coinpoker-10/Flagged: Generic Malicious Object
https://polyfill.io/visit/cosmobet/Flagged: Generic Malicious Object
https://polyfill.io/visit/daytonaspin/Flagged: Generic Malicious Object
https://polyfill.io/visit/emberbet/Flagged: Generic Malicious Object
https://polyfill.io/visit/gambiva/Flagged: Generic Malicious Object
https://polyfill.io/visit/gamble-gorilla/Flagged: Generic Malicious Object
https://polyfill.io/visit/gqbet/Flagged: Generic Malicious Object
https://polyfill.io/visit/greatslots/Flagged: Generic Malicious Object
https://polyfill.io/visit/hahaspin/Flagged: Generic Malicious Object
https://polyfill.io/visit/kazeeno/Flagged: Generic Malicious Object
https://polyfill.io/visit/kikibet/Flagged: Generic Malicious Object
https://polyfill.io/visit/nightluck/Flagged: Generic Malicious Object
https://polyfill.io/visit/nitrobet/Flagged: Generic Malicious Object
https://polyfill.io/visit/rivo/Flagged: Generic Malicious Object
https://polyfill.io/visit/rolletto/Flagged: Generic Malicious Object
https://polyfill.io/visit/slotosport/Flagged: Generic Malicious Object
https://polyfill.io/visit/slotroyals/Flagged: Generic Malicious Object
https://polyfill.io/visit/smash-casino/Flagged: Generic Malicious Object
https://polyfill.io/visit/spartaza/Flagged: Generic Malicious Object
https://polyfill.io/visit/spin-chester/Flagged: Generic Malicious Object
https://polyfill.io/visit/spinpolo/Flagged: Generic Malicious Object
https://polyfill.io/visit/velobet/Flagged: Generic Malicious Object
https://polyfill.io/visit/villaspin/Flagged: Generic Malicious Object
https://polyfill.io/visit/winnerisland/Flagged: Generic Malicious Object
https://polyfill.io/visit/winzter/Flagged: Generic Malicious Object
https://polyfill.io/visit/wolf-io/Flagged: Generic Malicious Object
https://polyfill.io/visit/zizobet/Flagged: Generic Malicious Object
https://polyfill.io/visit/zombillion/Flagged: Generic Malicious Object
http://polyfill.io/aboutFlagged: Generic Malicious Object
http://polyfill.io/cdn-cgi/l/email-protectionFlagged: Generic Malicious Object
http://polyfill.io/cdn-cgi/l/email-protection#c7aea9a1a887b7a8abbea1aeababe9aea8Flagged: Generic Malicious Object
http://polyfill.io/cdn-cgi/scripts/5c5dd728/cloudflare-static/email-decode.min.jsFlagged: Generic Malicious Object
http://polyfill.io/cdn-cgi/styles/cf.errors.cssFlagged: Generic Malicious Object
http://polyfill.io/cdn-cgi/styles/cf.errors.ie.cssFlagged: Generic Malicious Object
http://polyfill.io/contactFlagged: Generic Malicious Object
http://polyfill.io/documentationFlagged: Generic Malicious Object
http://polyfill.io/privacyFlagged: Generic Malicious Object
http://polyfill.io/slaFlagged: Generic Malicious Object
http://polyfill.io/statusFlagged: Generic Malicious Object
http://polyfill.io/termsFlagged: Generic Malicious Object
https://polyfill.io/Flagged: Generic Malicious Object
https://polyfill.io/assets/01knhps0tm9txtg0vyayk4hkgk.svgFlagged: Generic Malicious Object
https://polyfill.io/assets/01kve1gnrprwb5k26j9zj7js8m.svgFlagged: Generic Malicious Object
Show 81 more...
polyfill.ioFlagged: Generic Malicious Object
dc4cca20-944c-47a8-9e68-f83cc6db7be9.seals.dlagglobal.comNot flagged
developers.cloudflare.comNot flagged
evoaffiliates.comNot flagged
fonts.googleapis.comNot flagged
fonts.gstatic.comNot flagged
gambleaware.orgNot flagged
gamblingtherapy.orgNot flagged
orbitroutehub.comNot flagged
payload.wolf.ioNot flagged
static.wolf.ioNot flagged
vercel.linkNot flagged
wolf.ioNot flagged
wolfaffiliates.ioNot flagged
www.cloudflare.comNot flagged
Show 2 more...
polyfill.io Overview

Description of polyfill.io

polyfill.io appears to be operating as a gambling affiliate or comparison website rather than the browser-compatibility service historically associated with this domain name. The screenshot shows a page titled "Non GamStop Casinos for UK Players - New Casino Options," with ranked listings of offshore casino brands, promotional bonus offers, and "Play Now" calls to action. Based on the visible content, the site currently functions as a lead-generation or referral hub for online gambling operators.

The domain itself is long-established and receives measurable traffic, which suggests it is not a newly registered throwaway site. However, the present content does not match what many users may expect from the polyfill.io name. The page references multiple casino-related destinations and affiliate-style outbound links, indicating that the operator may be monetizing traffic through referrals to third-party gambling platforms rather than providing a software utility service.

Safety Assessment for polyfill.io

Several scan signals indicate elevated risk at the time of this scan. The domain was flagged by 11 out of 89 security engines, with detections including phishing, malware, and suspicious classifications. In addition, one blacklist database listed the domain, even though major content-malice and phishing databases shown in the scan were otherwise clean. The malware crawler did not report infected files, but it did apply a generic malicious heuristic to the domain and many internal links, which is a lower-confidence signal on its own but adds to the broader pattern when combined with the multi-engine detections.

The visible content also raises trust concerns. The domain name closely matches a well-known developer resource name, yet the page currently promotes "Non GamStop" casino offers with aggressive bonus language and affiliate-style outbound paths. That mismatch may confuse visitors who arrive expecting technical content, and it may indicate repurposing of an established domain for unrelated traffic acquisition. Based on these findings, this website may pose potential risks to visitors.

Technical Description

The site uses a valid SSL/TLS certificate issued by a mainstream certificate authority, with expiry shown as 2026-11-27. It is served through Cloudflare infrastructure, with nameservers on Cloudflare and a reported server IP of 172.67.220.166. The domain is approximately 13 years old, registered through GoDaddy, and has a moderate traffic presence based on the provided rank.

DNSSEC appears to be unsigned at the time of this scan, which is not uncommon but does mean DNS responses do not benefit from that additional integrity layer. No direct malware payloads were identified in the file scan, but the combination of security-engine detections, one blacklist listing, and numerous flagged affiliate-style links suggests the site should be treated with caution from a technical risk perspective.

HTTP Redirect Chain
No redirects detected - direct connection to destination
Website Insights
#46,125
Tranco Rank
Popular
Visitors >1M/mo
Category: Gambling
Rank History (30 days)
Aug 3 Sep 7
No cookies data available
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This report was generated automatically and is provided for informational purposes only. Results are based on a point-in-time scan and may contain false positives or incomplete data. This does not constitute a security audit or certification. No vendor in the market can guarantee a 100% detection rate. If you believe this report is inaccurate, please submit a dispute.

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