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

learn more… | top users | synonyms

2
votes
2answers
108 views

How can I prevent HTTPS on another domain from wrongly showing on my HTTP-only domain?

So, I have a blog at domain.com. This blog is HTTP-only because I would gain almost nothing from adding SSL support. I have a web service now that I want to enable SSL support on that runs on the same ...
1
vote
1answer
3k 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. ...
1
vote
1answer
967 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 ...
2
votes
1answer
58 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 ...
1
vote
2answers
90 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 ...
0
votes
1answer
221 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 ...
4
votes
1answer
589 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 ...
3
votes
2answers
1k views

What are reasons of latency for a HTTP request to load HTML?

I would like to know what are reasons of latency for a HTTP request to load HTML part of a webpage. I think about: loading webpage with proxy not having a good web server (apache vs nginx) having a ...
1
vote
0answers
388 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 ...
-3
votes
3answers
147 views

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

How do i upload a http file to any hosting sites? Preferably Dreamhost.
4
votes
1answer
226 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
votes
1answer
87 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 ...
2
votes
2answers
2k views

https:// search results appearing on Google for purely http:// site

I started weeding through my site's search results from Google today, using a site: search, to determine if there are any links that cause 404s and thus need redirecting. To my amazement I noticed ...
2
votes
2answers
145 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 ...
2
votes
1answer
70 views

Why was 303 skipped in HTTP/1.0?

While looking back over HTTP response codes today I noticed that the 301, 302, and 304 response codes were defined in HTTP/1.0 but not the 303 response code. Does anyone know why the number 303 was ...
7
votes
1answer
148 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 ...
1
vote
2answers
130 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 ...
2
votes
2answers
1k 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
votes
2answers
293 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
votes
1answer
178 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 ...
1
vote
1answer
345 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 ...
3
votes
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 ...
5
votes
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, ...
0
votes
2answers
387 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 ...
2
votes
1answer
431 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" ...
5
votes
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 ...
2
votes
1answer
1k views

How to tell Google to stop crawling my website via IP?

After a database server migration, I've noticed that GoogleBot started getting errors when trying to crawl my site. The reason seems to be that it is hitting my site via IP address (and due to my ...
1
vote
1answer
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 ...
3
votes
1answer
303 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
votes
1answer
443 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: ...
1
vote
1answer
373 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 ...
8
votes
0answers
626 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 ...
10
votes
1answer
1k views

Canonical URL for a home page and trailing slashes

My home page could be potentially linked as: http://example.com http://example.com/ http://example.com/?ref=1 http://example.com/index.html http://example.com/index.html?ref=2 (the same page is ...
12
votes
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 ...
14
votes
2answers
4k 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 ...
0
votes
3answers
754 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 ...
2
votes
1answer
1k 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 ...
1
vote
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/$1 [L,R=301] RewriteRule ^(.*)$ ...
0
votes
2answers
271 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 ...
2
votes
1answer
600 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 ...
1
vote
0answers
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 ...
1
vote
3answers
99 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 ...
2
votes
1answer
5k views

Redirect HTTPS request to HTTP in Apache

Can an HTTPS request be redirected to an HTTP request in Apache? If so, how?
1
vote
0answers
180 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 ...
1
vote
1answer
389 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 ...
3
votes
1answer
243 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 ...
1
vote
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 ...
11
votes
5answers
2k views

Does it make sense to return a 410 instead of 404 when some page has been permanently removed?

Does it make sense to return a 410 instead of 404 when some page has been permanently removed? In this video, Matt Cutts says that Google treats them the same, but are there other reasons to implement ...
3
votes
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 ...
1
vote
3answers
171 views

HTTP occurring twice in a URL

I ran into a website today that had two URLs and I'm completely stunned. The website, not to be specific, has a full address of http://example/cat/http://example/dog. I will say that the first part is ...