Questions tagged [http]

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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22 views

Determine if a site has been hacked (HTTP 203 leads to 301 then 302) [closed]

While trying to visit a site earlier that I've previously accessed without an issue, I was oddly redirected to some spammy dating site. Not wanting to try again, I used wheregoes.com to trace the ...
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18 views

HTTP “Vary: User-Agent” header for a Single Page React App that does SSR for robots?

I have React web app. It's a single page app, so there's basically an "empty" HTML file with a JS bundle that does it all. But to improve SEO capabilities, I'm doing SSR for robot crawlers ...
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2answers
98 views

Redirecting bare domain to www doesn't when specifying http/https scheme

I've recently uploaded a website on a domain via Firebase hosting. Using the domain registrar (NameCheap) I've also applied a 301 redirect rule (via NameCheap. It's called "URL redirect record&...
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23 views

Which special characters are safe and unreserved to use in the complete URL?

After reading these answers and some Googling I couldn't find a precise answer. RFC states that these characters are unreserved "-" | "_" | "." | "!" | "~&...
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Can a webpage differ in content if 'http' is changed to 'https' or if 'www.' is added after 'http://' (or 'https://')?

When I use the Python package newspaper3k package and run the code import newspaper paper = newspaper.build('http://abcnews.com', memoize_articles=False) for url in paper.article_urls(): print(url)...
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Mixed content (http, https) fix

I am a digital marketing with enough HTML/CSS skill to be dangerous, correct problems, but also cause them. So I tend to stick to WordPress. I inherited an entirely static HTML site that I'm trying ...
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1answer
332 views

HTTP2 is enabled and working, but PHP $_SERVER['SERVER_PROTOCOL'] still says “HTTP/1.1”

I've been migrating to a new host (AWS Lightsail with a Ubuntu instance) and while everything is working just fine I'm running into a quirk that I can't quite figure out. I've enabled HTTP2 on my ...
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14 views

Nginx main domain overwriting subdomains

I have an Nginx server running a website, and I'd like to add a new host under a subdomain, to the main domain. However as the title suggests, the subdomain's host seems to get ignored, and replaced ...
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1answer
48 views

Can HTTP 2.0 download simultaneously from two different IPs?

When looking at GTMetrix, all of the content from server A downloads simultaneously. When the content switches to another server, such as Google analytics or Google Tag Manager, it waits to download ...
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2answers
49 views

Redirect existing github pages site to custom domain without breaking links

I have my blog hosted at https://example.github.io and it's been around for a while - and search engines etc. have indexed the pages. I want to keep hosting the site on github pages (for now) but I ...
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1answer
48 views

Why am I getting a 400 BAD REQUEST error for simple GET request?

I'm using an old programming language (Adobe's Extendscript). It has a simple Socket object to send TCP/IP requests. The following lines always used to work for me: reply = ""; conn = new ...
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477 views

“General HTTP Error” for XML sitemap in Google search console

Google search console says that the XML sitemap specified in robots.txt could not be read due to: General HTTP Error When I click on the link on right top, "OPEN SITEMAP," it shows an error: ...
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How to direct Apache2 HTTPS sub-directory request to HTTP app server on another port?

for complete Apache newbie, I have NextCloud and Monitorix running on my local server https://192.168.1.2/nextcloud http://192.168.1.2:8080/monitorix and I would like to cover it via SSL, something ...
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0answers
119 views

Can I test if my site's URLs have 403 errors for Google Ads Bot?

All URLs in my WordPress site can be visited via browser such as FireFox and Chrome successfully. However, today I receive emails from Google Ads telling me that some of the URLs have errors. The ...
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1answer
853 views

Why does Chrome show 304 in Response Headers section but 200 in Status code?

Why does Chrome show 304 in Response Headers section but 200 in Status code? Why doesn't it show 304 in Status code (BTW, that is NOT 200 memory cache.)? If it shows 200 I can't know it is ...
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22 views

Why are post, get and put needed on top of HTTPS protocol? [duplicate]

I understand that the HTTP protocol, especially of the secured type, secured with some data encryption method such as TLS and certified with some SSL certification, is the main way to transfer data in ...
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2answers
99 views

Is there any way to remove mixed content warning from my blogger website after adding affiliate banners?

Is there any way to remove the mixed content warning from my blogger website after adding affiliate banners that are served over HTTP but my website is https? I am trying to add Amazon affiliate ...
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1answer
308 views

Is it possible to redirect HTTPS to HTTP without warning?

One of my clients now doesn't want to use a SSL certificate. But the home page of their site has been indexed with HTTPS. I have already redirected HTTPS to HTTP but it shows a warning every time. Is ...
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2answers
81 views

is HTTP in URL referring to “:80” port number?

Why every browsers/internet clients defaults to :80 when you just type http://example.com I mean It took time for me to know browsers internally always add port :80
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1answer
120 views

External ip opens router config panel, can I configure port forwarding over port 80

My home is armed with a DIR-868L D-Link router and I am trying to host a website from my PC behind it on the local IP 192.16.0.198 port 32768 (which I can configure). I tried configuring port ...
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1answer
766 views

What headers used in request by google bot?

What headers used in request by google bot? Must be user agent, but what else? I'm interested in cache control headers, does bot try to get fresh page, but not from cache? The related question: Do ...
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1answer
82 views

Duplicate problem on Google Search Console

I use free hosting and a free site maker. After a while, I added my own domain via DNS settings. I faced a major problem after this. My new pages are not being indexed because Google detects duplicate ...
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35 views

WordPress website has SSL certificate but some HTTP elements (images)

My website is secure (HTTPS) but has some images that are HTTP. I have two questions: Is it an issue? I checked on HubSpot SSL checker and it says that my website is secure. How do I find and change ...
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1answer
327 views

Does HTTP not support providing a checksum in a form of header for downloaded content?

Is there a way to tell a browser downloading a file or page that the content it is downloading should match this checksum made with this formula (e.g. sha-1 or md5)? I think it would be great to ...
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2answers
260 views

Do browsers send different HTTP headers on page reload so that server side caches can be flushed?

I'm implementing caching at the server application level, because my hosting doesn't provide Apache caching modules and it's not possible to use a reverse proxy there. Its cheap and fast hosting, so I ...
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94 views

Which browsers handle client-side compression of requests such as POST'ed formdata?

Which browsers handle client-side compression of requests, such as "multipart/form-data" transmitted by the client to the server via HTTP POST ? The HTTP server I am trying to get this working with ...
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220 views

Track HTTP and HTTPS traffic details separately on Google Analytics?

How can I track HTTP and HTTPS traffic details separately from Google Analytics.
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25 views

who defines SOAP protocol?

A further follow up of my earlier question: Are SOAP based web services meant to be used only with non-browser based applications? so I understand that SOAP is an application layer messaging ...
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24 views

Are SOAP based web services meant to be used only with non-browser based applications?

From what I have understood from browsing internet, SOAP is an application level protocol. If this is the case, then can I safely assume that all that happens thru/over browser (which uses HTTP ...
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1answer
413 views

How does browser know which HTTP method like GET,POST etc to use?

I had asked a related below question and from answers, I got a sense of why is there a notion of methods like GET,POST etc in http protocol: What is the need of methods like GET and POST in the HTTP ...
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12 views

Explicitly Validating Certificates [closed]

I am unable to make any API calls to the API I'd like to because the certificate is invalid. How do I go about adding the certificate to a trusted group so that it is automatically trusted? As it ...
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1answer
205 views

Facebook shows blank image and preview after sharing a HTTPS link from my website

My site before was only HTTP. I used that website for sharing public information with my friends. I like to post news that I want then share it to Facebook and when I post a link (HTTP link since my ...
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9answers
6k views

What is the need of methods like GET and POST in the HTTP protocol?

Can we not implement the HTTP protocol using just a request body and a response body? For example, the URL will contain request, which will be mapped to a function depending on programming language ...
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40 views

Why does turning off “Force SSL with https redirect” keep http links redirect to https?

I realize this question can be an XY one. After upgrading my site from http to https, FB OpenGraph og:image not pulling images anymore. The solution seems to be using http links rather than https in ...
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2answers
86 views

How to redirect example.com to http://example.com?

I have a blog at blogger.com, for which I got a domain name from godaddy.com. Recently I have decided to put some google AdSense ads on it to see how that goes. The problem I encountered is that ...
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2answers
66 views

Is using SiteGround CPanel over http secure?

I have a website hosted on SiteGround. Their CPanel can be served via http or https ( http://cpanel.us261.siteground.us/login/ ). In my case it is not working via https; the support says it's because ...
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1answer
39 views

MediaWiki: What HTTP Status Code it returns for non existent web pages?

Take these MediaWiki web pages for example: https://ecowiki.org.il/wiki/Aaaaaaaaaa https://en.wikipedia.org/wiki/MAKMAKMAK http://www.foodtech-portal.eu/index.php?title=Special:PdfPrint&...
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115 views

Using Post method in Faceook Graph API

When I use graph API to post on a Facebook page it's not working, it responds with an ID and URL but instead it should be responding with a post id. When I open the URL it gives this error: { "...
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1answer
48 views

Nonexistant /408.shtml and /403.shtml URLs being requested on WordPress site

The top two most commonly requested nonexistent pages on my WordPress website are the following: /408.shtml (3500 times) /403.shtml (470 times) I use the Redirection plugin to track 404 requests, ...
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3answers
83 views

How can I stop Google Search Console “index coverage” emails for the HTTP site now that I have migrated to HTTPS?

We have migrated our site to HTTPS from HTTP, so added HTTPS site in Google search console. But didn't remove HTTP site. We are receiving notifications continuously for HTTP site for index coverage ...
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3answers
372 views

Google Search Console still shows clicks on the HTTP site years after moving to HTTPS

After switch to https, traffic isn't showing in Analytics says: Google Webmaster Tools treats HTTP and HTTPS as different properties. Hence you will get traffic on both for sometime, where ...
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1answer
57 views

HTTP/2.0 loads resources in parallel, will that change dependency order of CSS and JS in my HTML source code?

I'm willing to use HTTP/2.0 on my apache server. I'm using apache over HTTP/1.1 and I have structured my site like this : <head> sharedJS.js 1.js 2.js sharedCSS.css 1.css 2.css </head> ...
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1answer
514 views

How to get URLs for creating TCP connection for HTTP? [closed]

HTTP the Definite Guide says Before an HTTP client can send a message to a server, it needs to establish a TCP/IP connection between the client and server using Internet protocol (IP) addresses ...
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5answers
185 views

Is HTTP to HTTPS redirect required even if site is only on HTTPS?

I have a new website and from day one, it was on HTTPS. For example: https://www.example.com/ Do I still need to redirect HTTP to HTTPS to avoid content duplication? For example, should I still set ...
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1answer
37 views

Do most websites not use HTTP authentication header but something else for authentication?

https://curl.haxx.se/docs/httpscripting.html says It is worth noting that while this is how HTTP Authentication works, very many web sites will not use this concept when they provide logins etc. ...
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48 views

changed site from http to https and now its unreachable by google [closed]

I move my website from http to https and now it does not appear in the google search resutls, it was appearing on the top search resutls. In google search consolte when I do fetch for the website it ...
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1answer
21 views

When redirecting to another domain, to which domain will HSTS apply?

Assuming the following, what domain will be HSTS'ed for the next year, foo.com or bar.com? RTFM (RFC6797) doesn't help much. > GET / HTTP/1.1 > Host: foo.com [ ... ] < HTTP/1.1 301 Moved ...
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1answer
5k views

Nginx fails to start HTTP/2 server due to error: unknown log format

In our hosting server from the Plesk cpanel, Nginx is configured to work as a reverse proxy engine. As I need to enable HTTP/2 that can speed up the loading time of Plesk and hosted websites. ...
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1answer
42 views

Site works ok on HTTP, not on HTTPS

I have the following on sites-enabled: 000-default.conf default-ssl.conf 000-default.conf has: <VirtualHost *:80> ServerName www.optonet.inter.edu ServerAdmin webmaster@opto.inter.edu ...
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Header to describe available `content-type` responses?

It's a little cumbersome to scrape through the HTTP RFC for this particular question, so I'm hoping someone can help me short-circuit an answer: Does the HTTP spec contain functionality for a server ...

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