Tagged Questions

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.

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2
votes
1answer
24 views

Where are cached files stored by the W3 total cache plugin?

I am planning to use caching for my website (W3 total cache plugin) and I was wondering whether the cached files will be save on visitors personal computers or not? I know that browsers also use ...
3
votes
2answers
92 views

CloudFlare Not Sending If-Modified-Since Headers

I'm trying to reduce my server load by providing 304 Not Modified responses for content where appropriate. CloudFlare is my middle man, so they should be sending If-Modified-Since headers whenever a ...
0
votes
1answer
21 views

loading old web pages and not the updated ones

I have updated my design and uploaded it to my server, but it's showing old content for sometime, new content for sometime. I randomly checked lots of computer, same problem is happening everywhere.
1
vote
1answer
70 views

Can .htaccess be used to cache AdSense JavaScript to improve the pagespeed score?

I'm AdSense publisher and I need to improve the page speed score for my site. It already gets 90/100 for speed and 100/100 for User Experience, however Google AdSense code is preventing it from ...
1
vote
2answers
59 views

I'm receiving an “Account Suspended Page” when trying to accessing my VPS

I have a VPS account and host a handful of sites. Two of these sites I cannot view from specific computers. When I open the sites I get the account suspended page. See screenshot below. Here is ...
0
votes
0answers
22 views

Cache control using WAMP

So I tried to allow cache by using <meta http-equiv="Cache-control" content="public, max-age=31536000"> but I'm not pretty sure if the contents are being cached. Although I receive a 304 code ...
2
votes
1answer
43 views

How to force browser to download all static files every time?

Is it possible to force browser to not using cache and download all files (html/js/css) every time? I am looking for a server side solution.
1
vote
1answer
57 views

Google PageSpeed, optimizing Google's own elements

I'm trying Google's PageSpeed online service Ironically, it's primarily highlighting Google's own services as something that needs improvement on my site 1) jQuery from Google: blocking. So I moved ...
2
votes
1answer
40 views

CDN caching my HTML pages too!

Recently I started using Amazon CloudFront to serve my site's JS,CSS and images via CDN. However, seems like with those, CloudFront serving my HTML pages as well? Thus http://mydomain.com and ...
1
vote
1answer
14 views

Ad revenues via Google cache

Do ad revenues from page-views (as opposed to ad-clicks) accrue from webpages viewed via Google cache?
0
votes
1answer
28 views

Preventing Cache for Text Content but not for CSS files and Images

I have Wordpress blog that I write blog posts about javascript. I update the same post by generally 12-13 days or so. But sometimes I push updates daily. After I update my article and publish to ...
3
votes
1answer
78 views

What's the minimum age for a Cache-Control header with Akamai?

We're planning an integration with a CDN (likely Akamai) and are trying to determine how low we could go for a max-age value. For a site that could get a few hundred thousand folks hitting the site ...
0
votes
1answer
34 views

Will previous 301 redirect still be cached if site switches to using SSL?

For reasons only my past self knows I put a 301 redirect in place to force all traffic to example.org from www.example.org. Put simply it dropped the www. subdomain. Now I would like to change it so ...
1
vote
1answer
23 views

Values for saved data and saved requests much lower in CloudFlare analytics for several months

For several months now the pie charts in my CloudFlare analytics show a much smaller value for the saved data and saved requests (around 5%). Before this the pie charts showed a saving of around 50% ...
1
vote
2answers
42 views

Can I place a caching server in a remote location?

Let's say I have one server acting as HTTP and MySQL server located in the UK, and I want to add a caching server, for example, Redis or Memcached. Can I add a caching server which is located in the ...
1
vote
1answer
179 views

CloudFlare - Difference between Basic, Simplified, and Aggressive caching

CloudFlare has this page to explain the difference between their caching settings: https://support.cloudflare.com/hc/en-us/articles/200168256. However, I'm still confused. It says: Basic: ...
1
vote
1answer
26 views

Can websites appear differently to different internet networks?

I just began launching a site for one of my clients, but I've come across a very strange issue. Whenever the client tries to access the website from an internet capable device in his office, he gets ...
2
votes
1answer
51 views

How long before legacy 302s are recognised as 301s?

We have some legacy 302 redirects in place on our site that should have always been 301s. We've now changed the redirects to 301s but various SEO tools (and presumably Google) still see the 302 ...
1
vote
1answer
27 views

How to cache on CloudFlare images that are served to client as JSON?

I am using a gallery on my website that gets list of images from a JSON sent by a php script. So, the javascript gallery calls PHP backend and it replies with complex JSON where images are specified ...
2
votes
1answer
322 views

Why doesn't FireFox cache my JavaScript file?

I've been trying to figure out why Firefox does not cache my JavaScript file. I don't have this issue with Chrome or IE. Here is what my server's Response Header looks like: ...
2
votes
1answer
166 views

Why is CakePHP generating unrequested 301 redirects?

Seemingly at random, when I attempt to go to a webpage (such as /want), another webpage (such as /get) on the same subdomain is loaded in response. This has been happening for many months on a set of ...
0
votes
0answers
27 views

Make a particular section of a webpage appear on top webcache

I would like to make a particular content of my webpage that appears at the bottom to appear on top on webcache of Google (text only version). eg: http://salesforce.com has a slider content that ...
7
votes
3answers
334 views

Why don't browsers respect cache headers for initial page request?

I'm scratching my head a bit on this. A Drupal site I run is setting appropriate cache headers that should indicate that the page can be cached for 15 minutes. However, every time I hit the page it ...
1
vote
1answer
57 views

Changing mysql query_cache_limit without having root priviledges

Can query_cache_limit in mysql 5 be set locally for a specific database? I don't have root privileges to change the global variable. Can query_cache_limit be set locally for each database?
1
vote
1answer
262 views

advantages and disadvantages of base64 image strings

I discovered that you can covert images into base64 strings and use those string within img tags and css like this: <img alt="" src="data:image/png;base64,iVBORw0KGgoAhEUgAAA ... FTkSuQmCC" /> ...
0
votes
4answers
95 views

Why is cached page showing after clearing all browser data

I have cleared all browsing data from Chrome as well as pressed Ctrl+F5, but a cached home page is still displayed. My test homepage shows the new page correctly. I am absolutely positive the new page ...
1
vote
1answer
30 views

Page caching Is not working

This is my htaccess file.I also embedded webcaching code inside it. DirectoryIndex index.php <IfModule mod_rewrite.c> RewriteEngine On #RewriteBase / RewriteCond %{HTTP_HOST} ...
0
votes
2answers
54 views

How to add a remote file to .htaccess file for webcaching?

I have the following code in my .htaccess file that caches several file extension types: ## EXPIRES CACHING ## <IfModule mod_expires.c> ExpiresActive On ExpiresByType image/jpg "access 1 year" ...
3
votes
2answers
92 views

Do browsers recognize the same files served by different subdomains?

I have my website assets stored on Amazon S3 and served by CloudFront, from a separate domain name, to act as a cookie-less domain (so website.com for the website and websitestatic.com for static ...
4
votes
3answers
595 views

Does CloudFlare cache videos, and would this wildcard Page Rule work for that?

I'm setting everything up in my website to use CloudFlare. This is my example: On videos.domain.com/Folder-A/Folder-B/ there are some HTML files that I would NOT like CloudFlare to cache. But inside ...
2
votes
1answer
71 views

Best way to optimize joomla cache. Difference between Global configuration cache and system cache plugin

I need to know for a Joomla site there is system cache plugin then there is global configuration setting to enable cache - how is it different from system cache plugin below are some of ...
0
votes
1answer
68 views

Wrong content for URL cache on Google

I have this website natural-track.com and when I do a cache check I get a completely different website,This is Google's cache of ...
1
vote
1answer
204 views

No cache and Google AdSense performance

I'm developing a page where I need to avoid JavaScript caching by browser. I've added this header: <?php header('Cache-Control: no-cache, no-store, must-revalidate'); header('Pragma: no-cache'); ...
0
votes
1answer
2k views

Why am I frequently asked to access a cached copy of a particular webpage?

I moved my WordPress website from localhost to a live server, but sometime I am able to access my website and sometime not, it shows: Oops! Google Chrome could not find www.example.com Access a ...
0
votes
1answer
27 views

Caching Google do not

I'm trying to test the speed of my site with monitoring-transactionnel.com I have an error Vary: Accept-Encoding with Google but I do not know how to settle the problem.
0
votes
0answers
39 views

Conservative caching refreshes my site weirdly

I have site built in Joomla! 3.1. I spent last 2 hours trying to solve an issue: with Conservative Caching activated, my front-end auto-refresh in 8seconds. I set cache time to 25minutes, but for some ...
2
votes
2answers
897 views

URL with query disables caching?

Does having a query string attached to a URL cause browsers to never cache it? For instance, my site does something like this: /radar-picture.png?v=sep2013 And it would appear that FireFox never ...
2
votes
1answer
29 views

Ideal cache times for browser caching times for different file types?

I am trying to improve my site's performance - and that includes caching. I found some great caching via .htaccess from the boilerplate html5 template - but the cache times seem odd. Does anyone ...
3
votes
2answers
1k views

How can I make redirections cacheable to speed up load times?

Google PageSpeed says this: Avoid landing page redirects To speed up page load times for visitors of your site, remove as many landing page redirections as possible, and make any required ...
1
vote
2answers
70 views

How to compel the browser to get the webpages from a server not from a local cache even if a particular page is frequently requested?

I have been testing a web site but every time I complain to the web developer that I am not able to see on the website which you have recently corrected,he told me that I am seeing that content from ...
1
vote
1answer
233 views

Apache returns 304, I want it to ignore anything from client and send the page

I am using Apache HTTPD 2.2 on Windows. mod_expires is commented out. Most other stuff are not changed from the defaults. gzip is on. I made some changes to my .js files. My client gets one 304 ...
1
vote
1answer
375 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 ~* ...
1
vote
1answer
76 views

Website still displays deleted files

I went to update a website's 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
82 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 ...
4
votes
1answer
3k 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
37 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 ...
2
votes
1answer
62 views

Files not caching

We store our images on S3 and our performance has been incredibly slow. This morning we turned on CloudFront in hopes that our performance would increase. When I analyze our performance with ...
2
votes
2answers
277 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 ...
5
votes
1answer
459 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 ...
0
votes
1answer
230 views

Why Google stopped caching my site? [closed]

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 ...