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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61 views

Right HTTP code for adult content block

I have a site with User Generated Content. Although only a small amount of it is Adult content, part of that has become popular in search engines in foreign languages. To avoid being classified ...
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32 views

Is 91 http requests too much for a web page load?

We are running a asp.net web application, recently we received a lot of crash reports from user. It sometimes crashes Chrome browser, sometimes it loads infinitely. This is how our system is ...
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45 views

HTTPS and HTTP URLs point to different places?

I own and use a domain for a project. When I type in my domain preceeded by HTTPS instead of HTTP, I am re-directed to a compromising website. How is this possible? Did somebody buy the HTTPS ...
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1answer
65 views

Are there any differences between URLs with and without “www” and “http://”

Are there any differences among these addresses? www.example.com http://www.example.com example.com
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1answer
48 views

What is HTTP Method PROPFIND used for?

I notice a series lines never seen before on my server access log that runs like this consecutively within the same one second: PROPFIND /images/flag.jpg HTTP/1.1 405 493 265 511 - LibreOffice ...
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25 views

What was this hack-bot trying to achieve via directory traversal?

I was walking through my server logs and the following kinda stunned me: ACCESS ERROR 404 from IP 62.112.152.161: Path: /index.php?page=weblog&env=../../../../../../../../etc/passwd%00 ...
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1answer
65 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 ...
2
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2answers
94 views

Should I make a page for every HTTP error?

I know that it is important to have an error document for 404, 403, 401 and 500. But what others, if any should I make to be completely sure that users do not see the default apache error page?
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1answer
96 views

Site speed: less KB image vs. less HTTP request

I have an interesting problem, I guess... First of all, I want to use sprites, to reduce the HTTP request on my site. That is because I know it's better for SEO and it makes the site faster, most of ...
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5answers
1k 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 ...
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5answers
1k views

WWW.yoursite.com or HTTP://yoursite.com which one is futureproof?

http://yoursite.com www.yoursite.com http://www.yoursite.com yoursite.com Which of these would you choose as your favourite to work with, if you were to make a site for 2011 and beyond, which ...
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2answers
78 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 ...
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1answer
22 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
1k 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 ...
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2answers
409 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 ...
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1answer
79 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 ...
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1answer
41 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 ...
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2answers
61 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 ...
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1answer
120 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 ...
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3answers
131 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 ...
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3answers
4k 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 - - ...
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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 ...
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1answer
827 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 ...
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1answer
66 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 ...
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2answers
962 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 ...
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37 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; ...
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15 views

Trafic analyze: trying to track videos opened from facebook

My http trafic analyze product which is running on lippcap and wriiten with C++ has some troubles with videos which are opened from facebook. I can classify websites and my program outputs log files ...
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2answers
496 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 ...
2
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2answers
125 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 ...
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2answers
961 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 ...
2
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1answer
96 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 ...
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58 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 ...
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7k views

Configure Apache HTTP 2.2 for PUT method

I've written code for file upload and download using HttpWebRequest/HttpWebResponse class in C# with Apache 2.2 as a web server. In code I'm using request.method = "PUT". I want to config my HTTP ...
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47 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
1k 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
617 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
55 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
96 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
75 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
104 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 ...
2
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1answer
918 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
80 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
209 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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255 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
485 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
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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
67 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
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 ...
12
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2answers
2k 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
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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 ...