A cache is a local copy of a file that exists elsewhere. Caching can take place in the browser, on a dedicated machine on a network, or at an ISP.
0
votes
1answer
14 views
Nginx Browser Caching using HTTP Headers outside server/location block
I am having difficulty setting the HTTP expires headers for Nginx outside of specific server (and then location) blocks. What I want is to something like the following:
location ~* ...
0
votes
1answer
26 views
Website still displays deleted files
I went to update a websites CSS today and noticed whenever I uploaded the file with my changes nothing would happen - no changes would appear on my site. This was the same with any of the images I ...
2
votes
1answer
43 views
Website Not Cached by Google Since 1 and Half Months [closed]
My website www.rushinformation.com is not being cached by Google since 1 April 2013 but pages are getting indexed. My robots.txt file is fine. So please tell me what could be the reason for this and ...
3
votes
1answer
445 views
“404. That’s an error.” when viewing from Google cache
My site is getting 404. That’s an error. message when I click on cached from Google search results.
This is the error message from Google:
That’s an error.
The requested URL ...
1
vote
1answer
32 views
Caches and Website Screen Shots
If I am creating a website to filter retail websites, like shipping or eco-friendly, etc. Could I use the screenshot of the homepage as the icon to link to the direct website? Ie. if my filters ...
0
votes
0answers
88 views
How to increase memory and cache size for application pool in IIS 7 efficiently [closed]
I search internet for increase memory and cach for application pool in IIS 7 but all topics are diffused and I do't know the effect of that settings together.
can some body describe How I can ...
2
votes
2answers
97 views
Why does modx-based site start using different domains for some content?
situation
I have a modx site on a VPS with multiple domain and subdomain names. The modx site should use what I call the 'primary' domain name's 'primary' subdomain, ie www.intendedname.tld . The ...
4
votes
1answer
82 views
How do Expires headers and cache manifest rules work together?
I find the W3C's official Offline Web Applications specification to be rather vague about how the cache manifest interacts with headers such as ETag, Expires, or Pragma on cached assets. I know that ...
1
vote
1answer
117 views
Why Google stopped caching my site?
Today I noticed that Google has stopped caching my site. I don't know why? cache:www.technostall.com (that's how I check cached pages in Chrome) gives a 404 page. Can anyone let me know why is this ...
1
vote
2answers
124 views
Google Cache CSS and HTML files are out-of-sync
I am monitoring the cached version of the main page of one of my sites. I have noticed something strange.
Obviously, the cached pages is displayed with the latest CSS file. Yet, the page content is ...
1
vote
1answer
54 views
Why is my cache manifest failing?
I have created the following cache maniest file-
CACHE MANIFEST
CACHE:
http://ajax.googleapis.com/ajax/libs/jquery/1.9.0/jquery.min.js
...
4
votes
1answer
102 views
Discrepancy between Google cached meta description and description in search result
I have developed a 1 page website to deal with time zone world clocks. I have noticed that Google has the latest version of the page in its cache, so it has access to the latest meta description.
...
2
votes
3answers
182 views
How to make CloudFlare Cache all pages
CloudFlare seems to only cache my homepage, and I am wondering if there is a way to force it to cache all pages. Notice it when BlueHost went down today and only my homepage is cached by CloudFlare. ...
4
votes
3answers
112 views
How can I make a “backup” that can serve static pages if the main site goes down?
We've got one server running our company's website. Unfortunately, it sometimes experiences problems. Is there a way to set up another server to serve the static websites, in case the original server ...
3
votes
2answers
380 views
Find old web content via Google cache or similar
I have a bit of a problem. My client is running a Joomla 1.0 site and some content (text) was lost. There was no backup configured of the MySQL database. The content was lost approx. around the 16:th ...
0
votes
0answers
159 views
Is there a way to make Alexa's ia_archiver slow down its crawling of my website?
Alexa's ia_archiver bot is the main contributor to the Internet Archive's "Wayback Machine" web collection, and there are advantages to having my website included in that collection. There are other ...
1
vote
2answers
87 views
Cloudflare displaying cached CSS in-line?
I recently enabled CloudFlare on my domain, and when I make HTML statements like this:
<link href="css/main.css" rel="stylesheet" />
The CSS gets displayed in-line, like this:
...
0
votes
0answers
9 views
Non-dynamic CMS [duplicate]
Some of the web sites I visit every day (news, sports, etc..), although the content changes very often (several times per day), the URLs always have .html extension, what makes me thing that the ...
3
votes
1answer
531 views
How to do a cacheable redirection?
When users enter my website example.com, their "preferred" language is detected and they are redirected (using a 301 Moved Permanently redirection) to example.com/en/ (for English), example.com/it/ ...
1
vote
1answer
427 views
How to specify expiration of cacheable resources?
I'm trying to speed up a wordpress site -- this site: http://richardclunan.net
I'm following the observations here: http://gtmetrix.com/reports/richardclunan.net/9ps7Zc0j
The first item says: "The ...
1
vote
1answer
678 views
Google Chrome audit: resources are explicitly non-cacheable?
If I run a Google Chrome audit on a site, it lists all CSS, PNG, JPG, JS files and even the main domain (i.e. www.example.com) under the heading:
Leverage browser caching
The following resources ...
0
votes
2answers
65 views
Optimizing data downloaded via 'link' media queries and asynchronous loading
I have a website that tries to make sensible use of media queries and avoid 'expensive' CSS for users of mobile devices. My eventual goal is to make it 'mobile-first' but for now, since it is based on ...
2
votes
1answer
46 views
Curious about a cached old domain
I am a bit curious about my new domain. I had a domain before, let's say http://example.com/. Before expiration of that domain, I bought a new one with the name http://another-domain.com/. I uploaded ...
1
vote
2answers
68 views
Cache website via CDN for visitors, not for users
I'm not sure what this is called. For example, if you're logged out of Reddit, you see a cached, static version of the site from the CDN. When you're logged in, you don't hit the CDN and instead ...
3
votes
1answer
200 views
Visitors have old website cached in their browsers
My client's new website is example.com, the old website is example.co.uk. I've re-pointed the A Records to the new website (so as to leave the emails alone) and put in 301 redirects from old pages to ...
4
votes
2answers
329 views
Mediawiki much slower in Firefox
I've a couple of Mediawiki (1.19.1 with Vector Skin) sites on Dreamhost shared hosting and I've found that access trough Firefox is much slower than trough Chrome. For example at this moment, after ...
4
votes
1answer
1k 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 ...
7
votes
4answers
300 views
Any ideas why Google not caching my site?
The site is www.books-for-children.com, developed in Wordpress CMS. It was launched about two months ago and still has not been cached by Google, which seems highly unusual. Any ideas where I might ...
3
votes
1answer
156 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, ...
8
votes
3answers
165 views
Is it worth it to change my entire user images file structure to take advantage of simple browser caching?
On one of my mobile sites, I simply store my user's profile images as '1.jpg' in their user folder, and incrementally go from there for any extra pics they upload. This means that whenever they change ...
0
votes
1answer
528 views
What response headers encourage 304-Not Modified upon reloads?
When looking at the network waterfall in Firebug/Chrome/IE9, I keep seeing "200-OK" instead of "304-Not Modified" for many cache-able files (images, js, css) on this page, for example.
I believe it ...
3
votes
4answers
769 views
how should cache control be set in the requests
i know that cache control headers can be set on the pages coming out from the web-servers (that is responses). Does anyone know how cache control header should be set on the requests? Should it be ...
5
votes
2answers
261 views
New requests for /cache/ URLs
A few weeks ago requests following this type of pattern:
http://mysite/cache/7a226e8aa3a4380444a329a7b0dd0f40
http://mysite/otherfolder/cache/7a226e8aa3a4380444a329a7b0dd0f40
started to appear ...
1
vote
1answer
121 views
Potential issues with multiple home pages
I have a site where I want to have two different home pages: a general description page for anonymous users, and a dashboard page for logged-in users.
I am debating between two implementations:
...
6
votes
2answers
1k views
Chrome causing 404's ending with “/cache/[hex-string]/”?
Since the last weeks we see many 404's on our sites caused by Chrome adding /cache/[hex-string]/ to the current page URL.
The hex strings we have seen are:
e9c5ecc3f9d7fa1291240700c8da0728
...
1
vote
1answer
94 views
Setting Cache-Control and Expires headers for the end client only
I am trying to add explicit caching to 301 redirects. However, I am worried that a permanent redirect for one user might not be permanent for another user. So I'd like to use Cache-Control: no-cache ...
-1
votes
1answer
218 views
PHPFox caching? [closed]
I run a big phpfox website and I currently have server setup as follows:
nginx (reverse proxy) --> Apache for dynamic content
are there other ways to cache content with phpfox?
I can't use memcache ...
1
vote
2answers
669 views
How to get browsers to only download CSS/Javascript when it changes?
I had an epiphany earlier when reading codinghorror. On a content website (blog/forum/website) the basic things rarely change if at all. So I was wondering if there was a way to cache them and only ...
0
votes
2answers
86 views
Make browsers not to make HTTP requests for cached items
I know that http caching and sending 304 response is to save some bandwidth and of course some load time.
However in my web site there are about 40 css stylesheet files and 20 javascript files (don't ...
0
votes
2answers
1k views
.htaccess and browser caching
I ran across these suggested htaccess edits. Is this a good practice? Is this something I should implement on my wordpress site?:
<IfModule mod_expires.c>
ExpiresActive On
ExpiresByType ...
1
vote
1answer
137 views
IIS and content caching
I'm a web developer and administer of a Windows 2008R2 Cloud Instance with IIS 7. I recently made an update to our website, but when I revisited the website, the website was being viewed with old ...
1
vote
2answers
461 views
Cache a resource across HTTP and HTTPS
Is there a way to specify that a resource should be cached when accessed over both HTTP and HTTPS? We have lots of static content that is initially served over HTTP and then re-served over SSL when ...
6
votes
2answers
924 views
Apache: How can I force the browser to reload CSS files?
How to force the user's web browser to reload CSS files with Apache Server?
I updated my website's CSS file but some users are still seeing problems that would be resolved if their browsers fetched ...
2
votes
2answers
728 views
Why is my website cached so aggressively?
Whenever I update my website by uploading a new index.html or index.php, it always takes a long time (e.g. hours or days) for that change to propagate to my browser.
Even when I hit F5, I still get ...
4
votes
3answers
1k views
expires headers and forcing cache-loading instead of 304?
so here is a little mystery. google analytics javascript somehow always loads from browser cache on F5 (in Firefox). i cannot get the same thing to happen with my own scripts.
here are the headers ...
1
vote
1answer
142 views
Forcing browser to load new image
I have recently been doing some image replacement work for a client, he sends me the new image png files and I upload them replacing the old ones with the new ones ( keeping the same name ). I tell ...
1
vote
1answer
256 views
Joomla sometimes messes up URLs, probably cache involved
Every once in while my Joomla site messes up link's URLs. For example, something like this:
http://www.sism.org/index.php?option=com_comprofiler&task=userslist&listid=4&Itemid=123
Become ...
5
votes
1answer
6k views
Headers to prevent 304/If-modified-since/HEAD requests
What headers should I be sending to outright stop all requests to the server after the content has been cached?
We have a very high latency server (Sigh, VMWare) so even sending a HEAD request to the ...
3
votes
1answer
1k views
clearing cache with cloudflare?
Is it possible to clear or avoid cloudflare cache while doing development?
I'm developing a site that has caching on several levels - wordpress supercache, the caching done by the browser, and ...
1
vote
1answer
256 views
Cache a particular image using .htaccess
I would like to cache a particular image on my website i.e the background image.
So far i only see options that allow you to define the format type(png|jpg|ico) is there anyway to let the browser ...
