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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Website inaccessabile to T-Mobile users

I have a website I'm working on that is being hosted on host-ed.net, (a free web hosting provider). I've been sending people to my site to see how it looks, and I'm having a lot of mobile users with ...
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56 views

Evidence for automatic browsing - Log file analysis

I'm analyzing web server logs both in Apache and IIS log formats. I want to find the evidence for automatic browsing, like web robots, spiders, bots, etc. I used python robot-detection 0.2.8 for ...
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1answer
2k 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. ...
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1answer
877 views

HTTP/HTTPS duplicate content 301 vs canonical

I thought I would ask a question as the amount of different sources that say this is right or that isn't right is unbelievable. Let me tell you my situation, at the moment, my boss wanted me to add ...
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1answer
56 views

Is this considered to be “Internal Near-Duplicates”?

Some people generate the same pages with a slight variation in keywords, title, country name, region name, etc... This is typically considered to be "Internal Near-Duplicates." I have seen a website ...
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3answers
97 views

Confused about domain names

I am confused about the difference between http://www.example.com and http://example.com, is that true "www" is actually the subdomain of domain example.com? Do people usually redirect from ...
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2answers
88 views

HTML: Images always getting reloaded from server

I am finding that my web pages' images are always getting loaded from my server, even though they never change. Since these are images, not pages, I can't include an expiration date for them... How ...
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1answer
185 views

How to prevent 206 HTTP status codes

I recently upgraded my website from Joomla 1.5 to Joomla 3.0 and I have been getting a crazy amount of traffic through 206 codes than previously with Joomla 1.5. I don't know where to start to go ...
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1answer
2k views

http://www.example.com/http://www.example.com/ in Apache log?

I run a website, let's say www.example.com. On it I have a path and file, say www.example.com/path/file.html. The Apache log lists GET requests like: GET /path/file.html HTTP/1.1 Which is correct, ...
4
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1answer
87 views

Is there a way to return a response every x seconds or so to a single http request?

I'm wondering if it's possible to send a response every second or so to a single http request. Like for example the client makes an http request, then the server sends a space character every second. ...
4
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1answer
464 views

How to track HTTP and HTTPS from the same Google Analytics account?

I have a website with tutorials and a discuss forum. The website load on http protocol and the forum load with https for security reasons. For both of them I run the default Google Analytics code, but ...
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322 views

htaccess doesnt work in subfolder

I'm using xampp with apache on my windows machine. My directory structure is: C:/xampp/htdocs ---------------/Sync --------------------/ProtectedFolderA ...
6
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1answer
920 views

When to reply 400 Bad Request

According to www.w3.org, a Web server should reply with status code 400 Bad Request if: "The request could not be understood by the server due to malformed syntax. The client SHOULD NOT repeat ...
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2answers
96 views

Is there additional overhead for status code 500s?

We have these web applications that require specific information in a query string. If that information is not provided, the applications throw an error. It seems to me that we should explicitly ...
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1answer
82 views

Need a study about average latency due to HTTP request and server processing time when downloading images that are a part of DOM

I'm writing a thesis about css sprites and need to know the of the average HTTP request overhead when establishing a connection to download an image file that is a part of DOM. We conducted a study ...
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1answer
1k views

Redirect from SSL HTTPS to HTTP (NO SSL)

Many of my visitors have bookmarked my site already with https://mydomain.com. Under the bad advice of a programmer I have put my whole site (Joomla) using SSL. I do not sell anything or provide any ...
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2answers
3k views

What are the Consequences for using Relative Location Headers?

According to the spec, Location headers used in a redirect require a server name HTTP/1.1 301 Moved Permanently ... Location: http://example.com/foo/baz/bar However, in 2012, most web browsers will ...
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3answers
4k views

HTTPS best practices for SEO and usability

Consider a page, http://example.com, which can be viewed both publicly and when a user authenticates. Now suppose you enable HTTPS for every page when a user logs into your website, but only when they ...
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2answers
1k views

cname forward from https to http

We are migrating web host and I wonder if it is possible in the migration phase to do a CNAME forward from https://address1.com to http://address2.com. Would the certificate still work even if the new ...
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2answers
3k views

Mod Rewrite - directing HTTP/HTTPS traffic to the appropriate virtual hosts

I have an Apache2 web server (v. 2.2.16) running on Debian hosting three virtual hosts. The first two hosts are HTTP only (server1 and server2). The last host is HTTPS only (server3). My virtual host ...
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2answers
138 views

Deleted files still accessible without www in url

I have deleted all files and all hidden files off my server, there is nothing but log files which cannot be deleted. Ironically, files are accessible when nothing is there. Cache cleared, multiple ...
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3answers
138 views

How to upload a http file to Hostsite(DreamHost) [closed]

How do i upload a http file to any hosting sites? Preferably Dreamhost.
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3answers
3k views

What does WWW do?

To be clear: I am not asking whether or not I should use www in my url, or what the pros and cons are, that topic is well covered. I also wasn't sure if this was a Stack Overflow, Server Fault, or ...
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1answer
214 views

HTTP Headers caching

I am not totally sure bout HTTP headers, but from what I read its good to have some level of caching on static pages also I am not sure if Transfer Encoding: chunked is a good thing. I was not finding ...
2
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1answer
917 views

Avoid the login popup when using http-auth

I have an Apache. Under the DOCUMENTROOT is a folder with an .htpasswd file for http-auth. If I open the browser and request the content in the folder I get an Popup to login. Is there a way to avoid ...
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1answer
139 views

Does the SPDY protocol eliminate the need for cookieless domains?

With plain HTTP, cookieless domains are an optimization to avoid unnecessarily sending cookie headers for page resources. However, the SPDY protocol compresses HTTP headers and in some cases ...
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2answers
3k views

HTTPS To http redirect issue. How to overcome?

Have already seen suggests on how to rewrite https to http. currently using this technique : RewriteCond %{SERVER_PORT} ^443$ RewriteRule ^(.*)$ http://www.mysite.com/$1 [L,R=301] RewriteRule ^(.*)$ ...
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2answers
372 views

Is 301 redirect sufficient to solve WWW and HTTP/S duplication?

I was reading about this article - SEO preference for WWW or HTTP:// protocol redirection? Do www websites rank better than NON-www? I have same problem but I needed a help on this further. What ...
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2answers
123 views

http requests, using sprites and file sizes -

Hi all I'm in the process of finding out all about sprites and how they can speed up your pages. So I've used spriteMe to create a overall sprite image which is 130kb, this is made up of 14 images ...
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2answers
873 views

What is the default behavior of Cache-Control

If no private nor public were defined in the cache-control, e.g. Cache-Control: max-age=31461276 What is the expected behavior?
2
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2answers
254 views

Phpmyadmin http password security

Is my password sent unencrypted when using Phpmyadmin through http? If not, is there any downside using http compared to https?
2
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3answers
1k views

Why is a # sign added to the end of URLS?

Note: I'm asking this from the perspective of the site developers (trying to help someone there). not as a user. Please don't forward this to superuser.com. It's a server admin question. Have a look ...
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1answer
159 views

http request terminating early

I noticed that on some of my sites, images were occasionally not getting downloaded fully. After a bit of investigation it appears that it is not restricted to images - .css, .js etc were also ...
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1answer
310 views

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
2k 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 ...
5
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1answer
147 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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1answer
387 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
8k 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", ...
5
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1answer
3k 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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1answer
1k 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 ...
3
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1answer
274 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, ...
3
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1answer
413 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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1answer
339 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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592 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 ...
12
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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
720 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
251 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 ...
3
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1answer
230 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 ...
2
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1answer
561 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 ...