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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1answer
28 views

Caching a changing site

I run a website where the static content changes at least 4 times a week and I'm trying to figure out the best header arrangement to use. Currently I have all caching related headers in use. I have ...
2
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1answer
12 views

Is granular http logging for an application handled at the application level or the http server level?

I need to log all requests coming into the server. Typical things you would get from Apache log formatting or IIS. I am using a WSGI standards based server, Apache mod_wsgi, gunicorn, Tornado. It ...
1
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1answer
115 views

URL appearance in Google results

Why do some Google results show the http prefix in the green URL and some don’t?
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3answers
237 views

500 error returns website content

I'm using CloudFlare on my shared host. Recently all search engines and is-it-up sites have been getting a 500 error. I'm not sure who's to blame, my host or CloudFlare. I don't remember changing ...
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1answer
23 views

What is the difference between HTTP and URLs? [closed]

What is the difference between HTTP and a URL as used for a website? How is that related to the layers of HTTP?
35
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6answers
5k views

When webservers send a page, why don't they send all required CSS, JS, and images without being asked?

When a web page contains a single CSS file and an image, why do browsers and servers waste time with this traditional time-consuming route: browser sends an initial GET request for the webpage and ...
0
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0answers
26 views

Is pagespeed insights over the top with downloads?

On my website I have a page that displays an image in optimized form. I made it display at 60% compression/quality instead of 100%. I also have the link to download the full 100% quality image to ...
3
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1answer
82 views

How do search engines handle protocol-relative links?

With many sites supporting but not requiring HTTPS now, there's an increase in protocol-relative links. A protocol-relative link is one where the protocol is not specified, and the browser redirects ...
0
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2answers
70 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 ...
3
votes
5answers
77 views

When responding with a HTTP 3xx Redirect status, should there still be a response body?

When a service is answering an HTTP request with a "3xx Redirect" status code response (and the accompanying Location header) should it still send a meaningful response body along with the response? ...
2
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2answers
225 views

Pages that never finish loading: How to diagnose

Users occasionally complain, and we probably all occasionally see, a web page that never finishes loading. In Google Chrome the spinning circle will run forever, each browser has it's own version. ...
2
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2answers
229 views

What’s up with this 302 redirect to the same URL?

I was scanning my website for links that point to HTTP 301/302/303 redirects when I found a puzzling behavior of the curl utility. Consider the output from the following three commands: $ curl -I ...
2
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2answers
68 views

Incorrect Referring URLs - What can be the cause?

I am running a website with affiliate links . When the visitors of mydomain.com/page.php click on such an affiliate link, they are being sent to a link on a domain owned by the affilate network ...
10
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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 ...
1
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0answers
57 views

No one can access our website today using http, but can with https

We arrived at work this morning to find our website was 'down'. It loads a blank white page with no messages at all. It worked fine last night and we have made no changes. (I am the only one who ...
0
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1answer
22 views

What changes are coming that would reduce the problems assosciated with HTTPS compared to HTTP? [closed]

I have a web site under development. It is used for surveys but there's an advertising component. As it is very new I have used almost all the latest technologies. AngularJS, ASP.NET WebAPI 2 etc. ...
1
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0answers
22 views

What is appending the “bmi_MfsTid” parameter to the URLs on our website

In our server logs, we see that some HTTP requests contain the parameter bmi_MfsTid=<number>. We are not using this parameter. Is there a known client or proxy that appends this?
1
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1answer
119 views

Trailing slash on Root folder - Is it possible to remove it without 301?

I have noticed something very strange on the site I'm working on. We currently only show http://www.example.com. The URL http://www.example.com/ (slash at the end) gets 301ed to ...
1
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3answers
82 views

How can you tell google to stop indexing a resource?

We have an app we are migrating. The old website had deeply nested robots.txt files at some point and then the old developers started handling those request with redirects to the root page. So: a ...
9
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3answers
140 views

What is the correct HTTP status code for: “This version of this API has been discontinued”?

I have a RESTful API. There are 3 versions of it: v1, v2, and v3. I am about to publish v4, and we have decided to discontinue v1, meaning that all requests to http://example.com/v1/resource will ...
1
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1answer
257 views

Make server force Excel to hand over hyperlink to browser without trying to load the page itself

I am not sure if this is an Excel (SuperUser) or WebMasters question since I may have exhausted the server option. Use case Our site allows downloading a result list in XLS format. A hyperlink is ...
1
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0answers
111 views

Old domain, new site on Shopify - no more SSL, but SSL URL is stuck in visitors history

I have built a new Shopify site for a client, and since I cut over DNS, I learned that there was a forwarding redirect set up for the old site to drive traffic from HTTP to HTTPS. Now that we've ...
1
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0answers
91 views

How to filter GET requests with Nginx, keep getting 504 after [GET] “/manager/html”

I was recently unable to reach my website, receiving a 504 time-out error instead. I checked the logs and found a GET request for /manager/html. I realize this was a failed attempt to reach a control ...
0
votes
1answer
29 views

Use SSL with HTTP

Just wondering, is there a way to use SSL without HTTPS and run it on HTTP? I don't want to know this to end up using this in production, but I'm just wondering to improve my knowledge of the ...
2
votes
1answer
33 views

Cache HTTPS + SSL

A lot of resources claim that websites with HTTPS + SSL will not be cached. Is this true? If so, why? If so, can this be prevented? I heard that this depends on the browser, but that the most ...
2
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2answers
142 views

What can cause the size of HTTP response to vary for the same response body?

I am trying to understand why the web server behaves differently for the following bad requests: Method Proto Status Req Body Res Referrer ...
0
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1answer
22 views

Required http methods for generic small businesses' web application? [closed]

Except GET and POST methods, should I implement rest of the methods of the http such as HEAD? The website is about a small business site, all I'm worry is about search engines and indexing. Thanks in ...
1
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4answers
280 views

How do I know whether a URL returns an HTTP 404 status code?

For any given URL, how can I (dis)confirm whether it returns an HTTP 404 status code? I found this tool but isn't there a cleaner, more natural way to find out, independently of other people's tools? ...
3
votes
2answers
258 views

Will canonical tag referencing unsecure HTTP URLs on a HTTPS page cause the unsecure message?

If a secure HTTPS page has a canonical tag referencing the HTTP version, will this cause the message in the browser that the page is using unsecure elements and prevent the green lock icon appearing? ...
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2answers
190 views

Search for my web site returns HTTPS results

My home page is set to Google and Google adds ?gws_rd=ssl to it. When I type search term form my site into search box Google returns bunch of indexes (different pages within my site) that starts with ...
6
votes
5answers
2k 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 ...
0
votes
1answer
45 views

Google Chrome issue with SSL

Using this code: RewriteEngine on RewriteCond %{HTTPS} off RewriteRule (.*) https://%{HTTP_HOST}%{REQUEST_URI} My site goes to HTTPS if I type in www.domain.com. HOWEVER, only Google Chrome refuses ...
1
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1answer
318 views

Could too many HTTP requests using AJAX result in browser crashes?

We are running an ASP.NET web application, and recently we received a lot of crash reports from users. It sometimes crashes the Chrome browser, and sometimes it loads indefinitely. This is how our ...
4
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1answer
9k 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 ...
2
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2answers
80 views

HTTP code 403, access denied & Options -Indexes

at "webmasters.stackexchange.com" I already found a similar topic: Stop directory listing using .htaccess and redirect to good error page Options -Indexes ErrorDocument 403 /path/to/403.html ...
1
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1answer
76 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 ...
3
votes
3answers
67 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 ...
1
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1answer
223 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
2
votes
1answer
5k 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 ...
2
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1answer
102 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 ...
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 ...
2
votes
2answers
99 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?
3
votes
1answer
156 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 ...
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 ...
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 ...
0
votes
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. ...
1
vote
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 ...
5
votes
2answers
429 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
vote
1answer
393 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
89 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 ...