HTTP Stands for "Hyper Text Transfer Protocol", and is the protocol that applications use to access documents/webpages/data from the world wide web.

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google chrome : http authentication issue on iframe

I have an HTML file with 2 links both links are in an iframe to load the contents inside the iframe. I have two protected directories one on the same server and other on another server. If you click ...
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3answers
3k views

Interpretation of empty User-agent

How should I interpret a empty User-agent? I have some custom analytics code and that code has to analyze only human traffic. I have got a working list of User-agents denoting human traffic, and bot ...
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1answer
151 views

Cannot access my own web page

I am developing, learning and experimenting with php,html,javascript,flash and so on. Having web hosting and all of the cpanel, phpmyadmin and other utilities. One day, while updating information, ...
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455 views

Reduce HTTP Requests method for js and css

Is these way can Reduce HTTP Requests? multiple javascript files with & symbol <script type="text/javascript" ...
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2answers
10k views

Where does the HTTP referer “applewebdata” come from?

My site uses a web stat service like Google Analytics, it uses a piece of javascript code to log what pages the visitor has visited and the refer url of each visit. I got some referer "applewebdata", ...
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1answer
4k views

HTTP Header Cache Time: s-maxage and max-age

I am setting up a CDN for my website, I found the following sample for adding to the 'httpd.conf' file, this is used to adjust the cache-time for client and CDN: ExpiresActive On ExpiresByType ...
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2k views

cPanel Monthly Bandwidth Traffic - HTTP Traffic Extremely High

So I have a website/blog which I have hosted with a service which is offering me 2000mb of monthly bandwidth traffic. I recently have started getting a lot of traffic, or I suppose, enough to push me ...
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1answer
316 views

Difficulty enabling caching on inherited site

I have been asked to work on a corporate website a previous employee had created. The site is on shared GoDaddy hosting. One of the first things I noticed (after the 140KB JPEG on the front page, ...
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1answer
468 views

Is there a Java-based web browser that doesn't follow hyperlinks properly?

Looking through my logs, I get this error a lot: A potentially dangerous Request.Path value was detected from the client (:). The error is usually due to someone navigating to a URL like this: ...
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393 views

CSS Sprites: Are they worth the trouble?

I can't help but wonder whether CSS sprites are very much over-used. First of all, if I stick all my images in a single file it makes an aweful lot of empty space. I know, that shouldn't make an ...
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649 views

Why is honest cloaking for Ajax considered bad practice? [closed]

Ajax-only websites are laden with many problems. Search engine invisibility is merely a small problem. They are also unbookmarkable and unlinkable and they break the functionality of back- and ...
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4answers
2k views

Loading main javascript on every page? Or breaking it up to relevant pages?

I have a 700kb decompressed JS file which is loaded on every page. Before I had 12 javascript files on each page but to reduce http requests I compressed them all into 1 file. This file is ~130kb ...
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3answers
780 views

Google search results are invalid

I'm writing a program that lets a user perform a Google search. When the result comes back, all of the links in the search results are links not to other sites but to Google, and if the user clicks ...
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2answers
277 views

Alternative to nofollow: custom 302 url shortener?

Here's the scenario: lots of blogging platforms make it tedious to insert nofollow into links within the post content. I.e., you need to edit the html, format it correctly, etc. I have a client who ...
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1answer
246 views

Use - or misuse - of ETags

I'm using an application that sets ETags by md5()ing the URL. As I understand it, that's quite insane. In effect, it means that content for a specific URL won't be fetched anew ... ever. Unless a ...
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1answer
642 views

Using HTTP (insecure) ad providers on HTTPS (secure) site

As more and more browsers adopt stringent checks around preventing insecure content served up on secure sites, there is impact on the use of ad networks which in many cases don't support the secure ...
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43 views

Why is nat required when proxy is enough? [closed]

My machine is connected in a local lan. to connect to the internet the traffic goes through proxy server. my understanding of proxy server is that it sends the request on behalf of the original ...
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1answer
298 views

Recommendations on how to validate an web server?

Does anyone know of any tools that can be run against web server to determine how compliant the server is with the various HTTP specs?
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1answer
6k views

Redirect HTTPS request to HTTP in Apache

Can an HTTPS request be redirected to an HTTP request in Apache? If so, how?
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190 views

Can I use both Digest and Basic Authentication on the same directory in Apache?

The reason I would want to do this is to support very old browsers (e.g. IE 6) that does not implement the more secure Digest method. If all new clients advertise the types of authentication they ...
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1answer
429 views

Is it possible to invalidate cache when the referrer adress is different?

Suppose I serve an image and if someone visits from a forum then I want it to download that image. If they visit again from the same forum then I want it to use cache, but if they visit from another ...
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2answers
2k views

Should 304 Not Modified responses include the “Last Modified” header?

I've been using the most excellent http://redbot.org tool for testing have HTTP headers on my site correct (its custom code in PHP serving dynamic content - wanting to ensure it cached where possible ...
2
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1answer
211 views

Can a web-server be reached in other ways than through `HTTP` or externally?

A server hosting an application built in PHP: Can the server be reached in other ways than through HTTP or externally? Is GET and POST only populated through the HTTP protocol? Is HTTP headers, GET ...
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98 views

Making a site available at http and https after installing an SSL certificate

I just had hostgator install an SSL certificate on my site. As a result, my site is only available (right now) at https://mysite.com. Based on the answer to this question, it sounds like it's possible ...
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103 views

Which content or HTTP status should return unused domain?

We've recently bought couple of domains but the content of the domains is still under development. Which content should we upload to the domains to tell search engines "There is currently nothing, ...
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2answers
205 views

Google Analytics when 404 handler is used as 'mod_rewrite'?

I'm consulting on a web site which in order to provide clean URL's uses the 404 handler to catch what would otherwise be a 404 and serve the correct content. In case that's not clear the 404 handler ...
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1answer
166 views

410 permanent delete not working

I've deleted a web page permanently and also added this rule in the bottom of my .htaccess: RewriteRule ^paysignet-payment-gateway-features-and-benefits.html$ - [G,L] But this url of this page: ...
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173 views

What is the syntax for using 410 status for deleted pages?

I want to permanently delete some pages in my site using 410 status. I'm not sure of correct syntax of removing pages using 410. I've found one syntax and I've a page( duplicate product page content) ...
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1answer
90 views

Is it possible for a web-server to send more files than requested for, and have the browser accept them?

I've created a basic web server for a school project, and it serves static content without a problem. I thought of having the server parse all htm/html files for links to .js/.css/image files, and ...
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2answers
105 views

HTTP: How to be deleted from search engines at a certain point in time in the future?

Is there a way to tell search engines, that a page they crawl should be included in the search results now, but have to be deleted at a certain time in the future? I have a website where hundreds of ...
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2answers
160 views

Quick Filesharing Web-App

I need to provide ftp/http services for a group of users such that: each user has his own password protected area where he can upload files each user can create user accounts and passwords for the ...
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2answers
87 views

Verifying that a user comes from a 'partner' site?

We're building a Drupal module that is going to be given to trusted 'corporate partners'. When a user clicks on a link, he should be redirected to our site as if he's a logged in user. How should I ...
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2answers
2k views

I used a 301 Permanent Redirect to a 3rd party site by mistake! Can I stop the redirection?

Oh Noes! I've been parking a domain name for a friend/client of mine on my hosting provider (Dreamhost, FWIW) for a while, and they eventually asked me to redirect their domain to a 3rd party website ...
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Browser privacy improvement implications for websites

On https://panopticlick.eff.org/ EFF let you test the number of uniquely identifying bits that the browser gives a website. Among these are HTTP header fields such as User-Agent, Accept, ...
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4k views

How to forward a [sub]domain to another address? (not just HTTP!)

I have bought domain1.me from GoDaddy... (yeah, I know... but ME domain registrars seemed quite hard to find...) I'm mainly hosted at 1and1. I have registered subdomain sub1.domain1.me and redirected ...
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4answers
2k views

Best way to have both HTTP and HTTPS communication in a web application?

I am considering using both HTTP and HTTPS in a web application and I am looking for tips to accomplish this best. The application will run under Tomcat. I have also seen the following about HTTPS ...
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1answer
74 views

With the following settings shown here, will there be any caching in Firefox?

browser.cache.disk.enable = false browser.cache.memory.enable = false network.http.use-cache = true With the following settings above, will there be any caching in FF? Does the disk.enable and ...
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2answers
184 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 ...
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2answers
176 views

why is having (or excluding) 'www' in the URL affecting how my site displays to users?

I am cleaning markup on a website for my first customer. I did not build the site; I want to remove the table-based design and replace it with proper CSS, before I add a shopping cart to the site. ...
11
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2answers
2k views

Considerations of the HTTP Content-MD5 Header

We are debating whether to use the Content-MD5 header. Pros: The CMS allows us to easily include it with minimal overhead (cached responses in 80%+ of the cases). It would add another layer of ...
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1answer
175 views

Ways for client to include page ID in query?

I'm no expert on web development, and need to find a way to let the browser call a PHP routine on the server with the current document ID as parameter, eg. http://www.acme.com/index.php?id=1 I then ...
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2answers
199 views

What MIME type are you meant to use for JavaScript files?

In the html we always use <script type="text/javascript" charset="utf-8" src="???"></script> (the ECMA stuff confuses some browsers) but on the HTTP side what are you meant to use as the ...