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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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 ...
2
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2answers
116 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 ...
0
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1answer
31 views

Changed an unordered list from images links to CSS background text links - uncached versions are showing broken

We had unordered list for social media icons that had ahrefed images. We swapped them out for text links that used CSS background images. If a user just loads the page, they'll get the old version. ...
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2answers
2k views

Lots of HTTP HEAD requests originating from porn sites

The access log on my web server has a ton of HTTP HEAD requests coming from porn sites. What are HEAD requests and are they doing something bad with my site? Here is an excerpt from my log: (valid ...
5
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2answers
433 views

HTTP for one part of the site, HTTPS for other

We have a site which is HTTP, but it has an admin part. How can we secure the admin part with HTTPS? For example, WordPress (which I know) is located at http://foo.com, but we want to have ...
1
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1answer
491 views

Videos from Youtube/Vimeo not displaying in iframes

I was giving a webinar about HTML today in Brackets. When showing how to use iframes, all my students managed to insert Google Maps using iframes but no one was able to make the YouTube and Vimeo ...
1
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1answer
100 views

Shared web hosting issue where Google is incorrectly indexing https content from another website

I am using shared hosting from a reasonably well known Australian web hosting company and have come across an unusual issue where Google is indexing pages on my website from another website on the ...
1
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2answers
69 views

The actual difference between styesheet in the header and a seperate file

I have always been taught to have all of the CSS in a separate file that is referenced from the head of the page. Reading this article, the author is talking about making the Guardian website ...
4
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1answer
1k views

Locate sitemap at HTTP or HTTPS?

Our homepage has a 301 redirect from HTTP to HTTPS but all other pages on the site are on HTTP. (1) Should the sitemap be located at HTTPS and is there any problem if we: (2) include the HTTPS ...
1
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3answers
182 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 ...
3
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3answers
7k views

Apache logs: “::1 … ”OPTIONS * HTTP/1.0" 200 -

Just looking at logs of a not-so-busy site on one of our Apache servers and notice tons of these in the log: ::1 - - [15/Apr/2011:12:11:40 -0700] "OPTIONS * HTTP/1.0" 200 - ::1 - - ...
1
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0answers
8 views

Setting an expiry date or a maximum age in the HTTP headers [duplicate]

I just finished a website that I designed and submitted it to Google PageSpeed Insights for performance reviews, and this is the results I got: It says I need to set expiry date or a maximum age in ...
2
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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 ...
0
votes
1answer
112 views

Why is Google PageRank not showing after redirecting www to non www?

I have a fashion website. I had redirected my domain http:// (non-www) to http://www domain and my preferred domain in Google Webmaster Tools was http://www. Now I have redirected http://www to ...
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 ...
0
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1answer
43 views

Long user agent field in HTTP header

I have a HTTP sniffer application which runs on C++ , when I am getting the user agent field I get something like : Mozilla/5.0 (Windows NT 6.1; WOW655970812; ...
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 ...
3
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2answers
235 views

Plus sign in front of URLs in user agents

I run a small web crawler and had to decide on what user agent to use for it. Lists of crawler agents as well as Wikipedia suggest the following format: examplebot/1.2 ...
2
votes
1answer
115 views

Google is not seeing my HTTPS website

I have a website and it is working with HTTPS, programatically when someone got to HTTP it forward him to the HTTPS version. My issue that I see that Google Search is not seeing my pages, the website ...
1
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0answers
80 views

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 ...
1
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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
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1answer
1k 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
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1answer
60 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
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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 ...
1
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2answers
95 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
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1answer
254 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
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1answer
100 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
votes
1answer
711 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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0answers
441 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
1k 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 ...
3
votes
2answers
103 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 ...
2
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1answer
90 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 ...
5
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1answer
2k 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 ...
14
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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 ...
6
votes
3answers
5k 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 ...
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 ...
2
votes
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 ...
2
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2answers
156 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
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3answers
152 views

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

How do i upload a http file to any hosting sites? Preferably Dreamhost.
18
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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 ...
4
votes
1answer
236 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
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 ...
7
votes
1answer
151 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
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
398 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 ...
1
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2answers
137 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 ...
3
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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
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2answers
313 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
3answers
2k 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 ...
2
votes
1answer
197 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 ...