- Scan ID:
- b3505df6-ede5-4b35-b679-ca9d3b2db3b1Finished
- Submitted URL:
- https://preply.com/
- Report Finished:
Risks · 0 found
Practices that may pose security risks
Security Headers · 6 found
HTTP response headers that can harden the security of a web application
Learn more...| Name | Value | Support | Info |
|---|---|---|---|
| Strict-Transport-Security | max-age=63072000; includeSubDomains; preload | Good | Declare that a website is only accessible over a secure connection (HTTPS). Click to learn more... |
| X-Frame-Options | sameorigin | Good | Indicate whether a browser should be allowed to render a page in a <frame>, <iframe>, <embed> or <object>. Click to learn more... |
| X-Content-Type-Options | nosniff | Good | Indicate that the MIME types advertised in the Content-Type headers should be followed and not be changed. Click to learn more... |
| Content-Security-Policy | default-src wss: data: blob: preply: chrome-extension: ms-appx-web: https: *.preply.com *.chilipiper.com 'unsafe-inline' 'self'; img-src 'self' data: blob: https: preply: chrome-extension: ms-appx-web: *.preply.com *.cfargo.preply.com *.cf.preply.com neuvoo.ca; object-src 'self' *.preply.com *.cfargo.preply.com *.cf.preply.com tf-chat-images-prod.s3.amazonaws.com; block-all-mixed-content; script-src 'self' data: blob: *.preply.com preply.com *.cfargo.preply.com *.cf.preply.com cdn.jsdelivr.net www.googleadservices.com www.redditstatic.com analytics.tiktok.com js.zi-scripts.com tags.clickagy.com aorta.clickagy.com hemsync.clickagy.com hemsync.clickagy.com cdn.pdst.fm *.tvsquared.com *.onesignal.com onesignal.com snap.licdn.com px.ads.linkedin.com js.appboycdn.com app.link *.sumome.com www.gstatic.com *.doubleclick.net *.sumo.com *.branch.io *.google.com *.bing.com *.opentok.com *.pubnub.com *.pndsn.com *.pubnub.net *.pubnubapi.com *.hotjar.com *.hotjar.io *.facebook.net www.googletagmanager.com *.google-analytics.com *.intercomcdn.com *.intercom.io *.stripe.com *.googleapis.com *.youtube.com *.ytimg.com *.ampproject.org *.googlesyndication.com *.trustpilot.com www.dwin1.com www.awin1.com www.zenaps.com the.sciencebehindecommerce.com amplify.outbrain.com tr.outbrain.com 'unsafe-eval' 'unsafe-inline' api.braintreegateway.com assets.braintreegateway.com client-analytics.braintreegateway.com js.braintreegateway.com *.braintree-api.com *.paypal.com *.payrails.io pay.google.com songbird.cardinalcommerce.com sc-static.net player.vimeo.com ajax.cloudflare.com preply.us1.list-manage.com cdn.cookielaw.org geolocation.onetrust.com cdn-cookieyes.com www.clickcease.com click.appcast.io boards.greenhouse.io *.clarity.ms tags.crwdcntrl.net *.hs-scripts.com *.hubspot.com *.hscollectedforms.net *.hsadspixel.net *.hs-banner.com *.hs-analytics.net *.hsforms.com *.hsleadflows.net *.usemessages.com init.blackcrow.ai unpkg.com *.hscta.net static.learncube.net *.ubembed.com cdn.plot.ly *.agora.io *.cdn-apple.com js.skyflow.com *.typeform.com www.datadoghq-browser-agent.com *.chilipiper.com app.usercentrics.eu risk.checkout.com fpjs.checkout.com fpjscache.checkout.com fpjsworker.checkout.com; frame-ancestors 'self' www.upward.net; report-uri https://sentry-ext.preply.org/api/48/security/?sentry_key=f9d940af8b044614932c632dd13ccad6&sentry_environment=production | Good | Control resources the user agent is allowed to load for a given page. Click to learn more... |
| Referrer-Policy | strict-origin-when-cross-origin | Good | Control how much referrer information should be included with requests. Click to learn more... |
| Clear-Site-Data | — | Good | Control the data stored by a client browser for their origins. Click to learn more... |
| X-Permitted-Cross-Domain-Policies | — | Good | Control whether a web client such as Adobe Flash Player or Adobe Acrobat has permission to handle data across domains. Click to learn more... |
| Permissions-Policy | — | New | Allow and deny the use of browser features in a document or iframe. Click to learn more... |
| Cross-Origin-Embedder-Policy | — | New | Configure embedding cross-origin resources into the document. Click to learn more... |
| Cross-Origin-Opener-Policy | — | New | Ensure a top-level document does not share a browsing context group with cross-origin documents. Click to learn more... |
| Cross-Origin-Resource-Policy | — | New | Request that the browser blocks no-cors cross-origin/cross-site requests to the given resource. Click to learn more... |
| X-XSS-Protection | 1; mode=block | Deprecated | Deprecated. Stops pages from loading when they detect reflected cross-site scripting (XSS) attacks. Click to learn more... |
| Feature-Policy | — | Deprecated | Deprecated. Replaced by the Permissions-Policy header. Click to learn more... |
| Expect-CT | — | Deprecated | Deprecated. Opt in to reporting and/or enforcement of Certificate Transparency requirements. Click to learn more... |
| Public-Key-Pins | — | Deprecated | Deprecated. Allows HTTPS websites to resist impersonation by attackers using mis-issued or otherwise fraudulent certificates. Click to learn more... |
Security Violations · 0 found
Requests or resources offending security policies
Certificates · 33 found
SSL/TLS Certificates enable websites to encrypt transactions between the client and the server and provide server identity verification
| Subject | Issue date | Expiry date |
|---|---|---|
| preply.com | Oct 16, 2024, 03:02:11 | Jan 14, 2025, 03:02:10 |
| *.datadoghq-browser-agent.com | Jul 30, 2024, 00:00:00 | Aug 3, 2025, 23:59:59 |
| sentry-ext.preply.org | Jul 28, 2024, 00:00:00 | Aug 26, 2025, 23:59:59 |
| *.google-analytics.com | Oct 7, 2024, 08:23:31 | Dec 30, 2024, 08:23:30 |
| app.usercentrics.eu | Oct 1, 2024, 17:14:40 | Dec 30, 2024, 18:05:32 |
| www.bing.com | Sep 16, 2024, 23:16:19 | Mar 15, 2025, 23:16:19 |
| *.dwin1.com | Oct 2, 2024, 00:00:00 | Oct 30, 2025, 23:59:59 |
| snap.licdn.com | Dec 13, 2023, 00:00:00 | Dec 12, 2024, 23:59:59 |
| *.facebook.com | Aug 11, 2024, 00:00:00 | Nov 9, 2024, 23:59:59 |
| *.tiktok.com | Jul 15, 2024, 00:00:00 | Jul 15, 2025, 23:59:59 |