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.

learn more… | top users | synonyms

1
vote
1answer
24 views

Bots and image caching

Once again, I'm trying to optimize my site because one test showed the time to first byte is slightly over 200ms, but I need it under 200ms to make google happy. I was looking at code to my site and ...
1
vote
0answers
16 views

How to prime cache on all location of a cdn

I have just started using MaxCDN to serve static resources faster (images, js and css mostly). It works great, as long as the data is cached on the cdn's location that is close to where I live. But ...
0
votes
0answers
14 views

Escaped Fragment was not removed though indicated as removed

I deleted the website. Asked google to delete the cached/snippet. All was done and google indicated it as "removed". But the escaped fragments are still be visible in google cached search; when I am ...
1
vote
0answers
19 views

Akamai vs pagespeed module

We have akamai as CDN, we also have Apache before our website. We want to utilise the page speed module benefits. We are just worried about how page speed cache will affect our application where we ...
1
vote
0answers
11 views

Is there any way to get diagrams from google cache?

I would like to know if I could get diagrams from this cached web page.I tried downloading the original file(.ppt) of the cached version but it doesn't open.While I look at the cached page I can only ...
1
vote
1answer
62 views

Low cache hit rate with Cloudflare

I am using a free Cloudflare account with a WordPress site and have seen consistently poor cache hit rates. After several weeks using Cloudflare, only about 22% of requests and 50% of traffic by ...
2
votes
1answer
66 views

Tradeoffs around using a query string vs embedding version number in the CSS/JS files [duplicate]

I was reading articles and forum posts about using version numbers in CSS/JS files. http://www.stevesouders.com/blog/2008/08/23/revving-filenames-dont-use-querystring/ ...
0
votes
0answers
16 views

How do I cache IP-restricted content using CloudFlare?

Let's say I have files at https://corp.example.com/private/*. Before I started using CloudFlare, access to these files was restricted to certain IP addresses, defined in an nginx config file. I now ...
2
votes
2answers
29 views

What happens if CSS file falls out of cache but HTML file doesn't?

I have a static HTML page for which I have set a cache-control max-age of 6 months, and it calls a style_v1.css file with a max-age of a year. What happens when I update the HTML file to call my ...
2
votes
2answers
51 views

Avoid caching by creating photo names that contain unique identifiers?

If you are building a website that will display photos to users of the site, is it important to always give each photo a unique name? For example, instead of naming a photo file using an index number ...
1
vote
1answer
87 views

Browser Cache Control

First: I'm a Designer that knows some HTML and CSS, not a programmer, so I'm so in advance for my limited knowledge and understanding :) My website skeleton is based on a single HTML and a few CSS ...
0
votes
1answer
40 views

optimal cache setting for dynamic page

My webpages on my website may appear static to the user, but they're actually dynamic since data is retrieved from a database and may be changed at anytime. Additionally, users may customize some ...
2
votes
0answers
50 views

Server overload upon deleting files

On my website, I've shared a few files that could be downloaded and installed by XBMC / Kodi software, i.e addons and a repository to download and install these addons. Now, here's the interesting ...
1
vote
1answer
37 views

How do I adjust my HTTP caching for optimum page delivery performance?

I read an article about caching at http://vadmyst.blogspot.ca/2005/09/server-side-etag-vs-cache-control-max.html and currently I'm using both cache-control, expires, and Etag type validation on my ...
18
votes
4answers
6k views

Why don't browsers have jQuery installed?

I'm using jQuery on several of my websites and although I use a CDN to serve it, it just doesn't make sense for visitor to download jQuery each time. jQuery must be the world's most widely used ...
2
votes
1answer
154 views

.htaccess file not caching

I have read several guides for how to write the htaccess file for caching but with no success. I asume I wrote something wrong and need some help on finding what i did wrong. Here's my htaccess file: ...
1
vote
0answers
104 views

Magento Robots.txt and blocking cached images

We have a Magento based store. Images are resized and served cached dynamically. When the image cache in Magento is cleared, there are generated new paths and files. And I get 404 errors for them ...
1
vote
1answer
263 views

How to manage the leverage browser caching for third party JS files? [duplicate]

Is it possible to set and expiration date for the file http://assets.pinterest.com/js/pinit_main.js? And the other stuff down the list? I want to bring up my score as high as possible. I'm using ...
0
votes
1answer
53 views

Eliminating 'cookie' from 'vary:' without breaking website functionality

I read that some middle-man servers won't cache websites that have cookie set in the vary: header. For example, If my website issues a vary:accept-encoding,cookie as opposed to vary:accept-encoding ...
0
votes
1answer
23 views

How can I keep track of changes in my site's view?

I want to keep track of changes in our company's website view. I want to know about changes to links and pictures in the homepage. I don't need to keep track of website's development, e.g I don't want ...
0
votes
0answers
85 views

Caching layer with DynamoDB?

I am programming a cloud web hosting website. All pages we host are created with our page creator software and they are only html and JavaScript. I am currently storing web pages in a mysql database ...
1
vote
1answer
265 views

How do I make a static html page and its resources cacheable?

I just ran a pagespeed analysis of my page and came across the following pointer by google pagespeed: Leverage browser caching Setting an expiry date or a maximum age in the HTTP headers for ...
2
votes
3answers
232 views

When do browsers clear cache and how can I make more use of 304 responses?

I have a website with some some content which changes frequently. I would like to benefit from good caching when this doesn't change (so would ideally use a longer Cache-Control header), but would ...
1
vote
3answers
211 views

Image max-age / cache-control not being set

In order to speed up my site Telium I created the .htaccess below. I have a lot of large images on my site so I want browsers to cache as much as possible. However, when I browse to my web site ...
0
votes
0answers
76 views

NGinx Downloading instead of Serving

I have nginx setup on my ubuntu server as the web server with 3 config files (minus the site configs) All of my sites now download a application/octet-stream file rather than serving up the pages. ...
0
votes
3answers
68 views

I do not want my website to be cached

I own a website that will be updated daily with clients. When I upload new info/web pages/amendments, the old cached version of the 1st page keeps popping up. How do I stop this....
1
vote
0answers
17 views

What can I do in regards to the GPSI complaint on cache-control on dynamic images?

I ran google page-speed tests on my website again and it stated this... Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously ...
1
vote
1answer
93 views

Minify not caching according to pagespeed insights

I started using https://code.google.com/p/minify/ on my site to decrease the amount of http requests. But google's PageSpeed insights tool is telling me that the new reference link isn't being cached. ...
1
vote
1answer
94 views

How much privacy is disclosed when looking at Google cached pages?

I have a question on something I read in the article found at this URL: http://navigators.com/cached.html "Many internet researchers incorrectly assume that clicking on Google's "cached" in a search ...
0
votes
0answers
123 views

How long does it take to re-index the website via noarchinve tag?

I read elsewhere on here that one can't re-index their site with google, but I like to challenge that. Currently, I have every page on my website (that contains about 1,000,000 pages) labeled with a ...
1
vote
1answer
157 views

How do I prevent cached pages from showing up to returning visitors after doing a website update?

After making an update to my site's pages, I don't want the cached version of the old page to show up to returning visitors. Is there a way to do this from my side, without the user having to do a ...
0
votes
1answer
41 views

what would cause incorect titles to be listed in google?

I did a search for my site and it turns out that google showed an entry with an incorrect title, yet the description is ok. The title was incorrect to the point where it was called "the album" with ...
2
votes
2answers
56 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 ...
4
votes
3answers
650 views

What effect does turning off caching in all browsers have on SEO?

What effect does turning off caching in all browsers have on SEO?
0
votes
0answers
17 views

100% loss of my website content. I couldn't find cached pages on the net. Need help, please! [duplicate]

I had a website that I actively used from about 2/2014 through 10/2014. The site is www.tatumparnell.com. It was a collection of personal stories which mean the world to me, but the site is now down ...
0
votes
0answers
17 views

How to view varnish purge requests?

I would like to view purge requests from the backend to debug whether the backend sends too many purge requests due to some issue. How can I do that with varnish? Somehow with varnishlog?
0
votes
1answer
51 views

How to intepret varnishtop output?

When running. varnishtop -i BereqURL Output such as. 2.57 BereqURL url Will be shown. What does the number, in this example 2.57 stand for?
2
votes
1answer
59 views

For SEO, can content containing keywords be written into the page using JavaScript and still rank well?

We have a list of product summaries that appear on several different product listing sections of our website. Currently, these products are rendered into the HTML, and end up in different caches ...
8
votes
1answer
139 views

Why is spam added to the Bing cache of my landing page?

Please search on Bing "url:testrails.org" and open the cached page. Bing shows random other pages below the content of my own landing page. This is so weird! This is what I found out so far: I have ...
1
vote
1answer
66 views

Can I use Cloudflare with Tumblr or cache images manually?

I've just setup Cloudflare on my tumblr blog (with custom domain). 1) As I understand it, this was actually pointless because images on tumblr blogs are hosted on media.tumblr.com/.../inline.jpg and ...
1
vote
2answers
180 views

Cached Bootstrap vs Custom CSS

I am debating whether to use an existing framework such as Bootstrap which has a decent chance of being cached vs custom CSS which has zero chance of being cached. Which is better from a UX point of ...
1
vote
2answers
481 views

Can external resources be cached for 7 days to improve my PageSpeed score?

Google Pagespeed recommends caching resources for at least a week under "Leverage browser caching". I've done it for internal files but I was wondering if something could malfunction if I did the same ...
2
votes
1answer
103 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
1k 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
53 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
744 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
191 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 ...
1
vote
0answers
71 views

Set cache control from WAMP such that Firefox reports cached pages in the primed cache report

So I tried to allow cache by using <meta http-equiv="Cache-control" content="public, max-age=31536000"> but I'm not sure if the content of my pages are actually being cached. Although I ...
2
votes
1answer
230 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.
2
votes
1answer
253 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 ...