In the Hypertext Transfer Protocol (HTTP), HTTP header fields contain the operating parameters of an HTTP request or response. With the request or response line (first line of message), they form the message header.

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9
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465 views

What should happen when content is deleted?

I am wondering about the standard handling of deleted data links from an application and an SEO perspective. I have an application where users can create content but they can also delete content. ...
4
votes
2answers
193 views

HTTP response for deleted or disabled items on ecommerce store

What HTTP response should you send when an item/category on your ecommerce site has been disabled or deleted? 410 looks correct for deleted products but not sure about something that has been disabled ...
19
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2answers
31k views

Headers to prevent 304/If-modified-since/HEAD requests

What headers should I be sending to outright stop all requests to the server after the content has been cached? We have a very high latency server (Sigh, VMWare) so even sending a HEAD request to the ...
4
votes
1answer
2k views

How to get keywords from Google HTTP referrer?

Can the http referrer URL from Google be decoded so that I can see the specific keywords? ...
10
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1answer
38k views

Font blocked from loading by Cross-Origin Resource Sharing policy: No 'Access-Control-Allow-Origin'

we are experiencing this error in Google Chrome. We thought everything was set-up correct. But maybe not? Font from origin http://skin.cdn.com has been blocked from loading by Cross-Origin ...
4
votes
2answers
977 views

What's the best way to determine users' preferred language?

In determining which language to display content in by default, there are, as far as I know, three basic methods: Examine the Accept headers sent by the browser. Use IP geolocation to determine the ...
0
votes
1answer
48 views

What is best practice for search engines when a website is under maintenance?

I need around a week to transition a heavily data-driven website from one back end to another. During that time I do plan to attempt to keep some pages live, but they won't all work well or look ...
7
votes
1answer
3k views

Can I set a variable “Expires” in Amazon S3?

I have a ton of files in Amazon S3 (served via Cloudfront) for which I have added an Expires header of Mon, Jan 1 2024 11:11:11 GMT However, I have recently learned that setting an Expires header ...
2
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1answer
6k views

IP Address headers (Remote_Addr) - When is this header sent by the browser?

I want to know when a browser includes the header - Remote_Addr in the HTTP request. I observed the request sent by the browser on loading stackoverflow.com, in the web console window of Firefox. ...