sdurandeu/WebHttp.md

Last active June 8, 2020 10:20

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WebHttp.md

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Cross-Browser Testing

https://chrome.google.com/webstore/detail/ie-tab/

Tools

Inspector: https://httptoolkit.tech/

CORS

https://www.moesif.com/blog/technical/cors/Authoritative-Guide-to-CORS-Cross-Origin-Resource-Sharing-for-REST-APIs/#
Chrome dev tools do not show OPTIONS requests anymore: https://dev.to/pimterry/chrome-79-no-longer-shows-preflight-cors-requests-4k7e

Http Caching

Postman sends the Cache-Control: no-cache header by default, and needs to be disabled in the settings
304 responses by express do not include the body, but it’s shown anyway in the Chrome Dev Tools
Chrome dev tools do not show headers sent because of the Site Isolation feature added in Chrome 67
- https://developers.google.com/web/updates/2018/07/site-isolation
- https://www.chromium.org/Home/chromium-security/site-isolation#TOC-Known-Issues

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