https://www.google-analytics.com/collect?v=1&_v=j81&a=1317040588&t=event&ni=1&_s=5&dl=https%3A%2F%2Fapp.optimizely.com%2Fsignin&ul=c&de=UTF-8&dt=Optimizely&sd=32-bit&sr=800x600&vp=400x300&je=0&ec=All&ea=Experiment+Viewed&ev=0&_u=aGBAgEQ~&jid=&gjid=&cid=1851631876.1587136285&tid=UA-13208639-40&_gid=192875003.1587136285&cd6=11382150216&cd7=10557034581&z=719607736

Category: Advertising & Tracking

Keywords: data free learn suite better center google manager surveys audience business optimize partners products analytics companies marketing solutions attribution measurement


Last fetched: 2020-04-17T15:11:28.389540+00:00

HTTP status: 5 Sub-resource URL


Advanced trackers

Advanced user tracking and fingerprinting techniques are used by websites to bypass privacy protection in web browsers and increase tracking persistence.

b'GIF8' … b'\x01\x00\x01\x00'

Security-related HTTP headers

  • Access-Control-Allow-Origin: *

    Controls origins (websites) that are allowed to load data from this web service over JavaScript-based APIs as part of Cross-Origin Resource Sharing (CORS) standard. By default, a web browser will refuse to load data over XmlHttpRequest from a website that is not in the same origin, which is a precaution against various types of data stealing attacks. The target server has to explicitly allow the origin domain using the Access-Control-Allow-Origin (ACAO) header, or it may allow all origins to access it using a wildcard *. The latter however creates a potential security issue if the website in question is transactional and processing sensitive data, so the wildcard should be only used on websites consciously offering public APIs.

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  • X-Content-Type-Options: nosniff

    A non-standard but widely accepted header introduced originally by Microsoft to disable "content sniffing" or heuristic content type discovery in absence or mismatch of a proper HTTP Content-Type declaration, which led to a number of web attacks. In general, presence of the header with its only defined value of nosniff is considered as part of a properly secured HTTP response.

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  • Server: Golfe2

    Announces web server software and optionally version details.

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