CloudFlare is a CDN marketed as improving website performance and speed and providing security.

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CloudFlare and Avast strict transport

This weekend, we started using CloudFlare*. One of our users is reporting that Avast, the anti-virus software, has blocked our site due to a certificate error. Presumably this is because our ...
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2answers
41 views

Sub-Domain created on Cloudflare & CPanel won't work with HTTPS

Earlier this evening I migrated an installation of WHMCS from another web-server. Upon finishing this, I did the following... Went into Cloud Flare and changed the IP of the Sub-Domain record to ...
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1answer
46 views

Does my origin's gzip compression level matter when it's behind CloudFlare?

Today I uploaded a sitemap.xml file to my site, then realised that my server wasn't set up to gzip .xml files. However, CloudFlare still gzipped it before sending to my browser. This got me ...
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1answer
16 views

Cloudflare 404 and IUAM isn't working

I have Cloudflare connected to my website. All of my DNS records are accounted for with them and my nameservers are pointed to theirs. (It's been more than 24 hours) But the Cloudflare 404 errors and ...
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19 views

How does CloudFlare work with webapps?

I have an app that needs to constantly ping an HTTP server, so that I can see if my app is running. I want to run my server through CloudFlare. Will every request query my server (if it's up)?
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1answer
31 views

How to update nameservers for my domain

I've registered for a CloudFlare CDN and enabled it for my domain. Now CloudFlare asks me to use two specific nameservers that they assigned to my domain, e.g. nameserver-address-1.com ...
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1answer
83 views

Site speed when using ddos protection by cloudflare

I've recently noticed an increase of sites using ddos protection by cloudflare and wondering the effects on both user experience and SEO. I've notice these redirect messages last from anywhere from 2 ...
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105 views

Cloudflare masking useragent?

On the target cloudflare website, I include an image that is generated in PHP from an external website; however, when I embed the image on the targeted cloudflare website, when the users view the ...
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1answer
67 views

https redirects + Cloudflare Page Rules missing situation

I have just moved my website to https and after some scares it is working, mostly. I did find out that when I input the naked domain on the browser it is not going to the desired URL, as follows: ...
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49 views

Cloudflare putting my site in an endless refresh loop

This problem does not happen to all site visitors. The best I can tell, random users of Chrome have the issue but my sample size is way too small to believe that it is only Chrome. However, a few ...
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3answers
279 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
52 views

Can I make CloudFlare alias any /* request to a specific page?

I would like to serve any www.domain.com/* route with a specific static HTML page in my server. Is it possible to do this at a CDN level, for example using CloudFlare? For example: ...
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122 views

Why do my Google Analytics and CloudFlare analytics results differ?

Here are my stats for January 28th with CloudFlare: And here are my stats for January 28th with Google Analytics: Why might my statistical results be different between Google Analytics and ...
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1answer
299 views

Receiving error 500 for WordPress when using CloudFlare as a CDN

My WordPress site is using CloudFlare as a CDN, and if I use the site's IP address to access wordpress/wp-admin/install.php directly, it works fine. However, when I try to call ...
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0answers
150 views

Cloudflare destroyed my SEO traffic? [closed]

I am extremely upset but I have come to the conclusion that after using cloudflare pro, my SEO traffic has disappeared. I checked to find that I didn't even show up in the search results for my own ...
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2answers
326 views

Tumblr disabled custom domain for using CloudFlare

I have a Tumblr blog which uses a custom domain. Yesterday I tried to add CloudFlare to it which was a terrible mistake. Apparently Tumblr does not support Cloudflare and will therefore disable ...
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1answer
50 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 ...
4
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2answers
274 views

Many “429” crawl errors in Google Webmaster Tools with GoDaddy Managed Wordpress Hosting and Cloudflare

Following setup: GoDaddy Managed Wordpress Hosting + SSL Cloudflare as CDN Google Webmaster Tools shows all pages with 429 crawl error. I tested manually and with tools like monitor.us and I ...
2
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1answer
40 views

On Cloudflare, pointing homepage to one host and the rest of the website to another

I'm managing my domain with Cloudflare. Is it possible, and if so how, to point only the homepage (frontpage) to one host and the rest of the application to another?
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1answer
112 views

Safely turning off CloudFlare?

I'd like to selectively turn off CloudFlare ("the orange cloud icon") for some subdomains. But this would cause downtimes for people with certain network configurations, especially those with exotic ...
3
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2answers
756 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 ...
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3answers
203 views

CloudFlare's cPanel plugin assigned new name servers for my domain - how do I make them use the old ones?

I deleted my domain in CloudFlare and recreated it using the CloudFlare plugin in cPanel, but CloudFlare gave me new nameservers that I should assign to my domain. The problem is that my registrar has ...
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1answer
249 views

Is it possible to see my site's real IP address if I'm using a CDN like CloudFlare?

CloudFlare acts as a reverse proxy and caches site content. Is it possible to see my site's real IP address if I'm using a CDN like CloudFlare? When I check my site's IP address using a lookup ...
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1answer
236 views

DNS mistake. Google crawled the wrong server. What to do?

Problem Exists Between Keyboard And Chair I have a couple of similar looking domains on Coudflare where I manage their DNS. An old forum and my new still MVP site. As many of you may have ...
3
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1answer
109 views

How to track conversion funnels across multiple domains with Google Analytics, getClicky, and CloudFlare

What we need: We need to implement funnel and conversion tracking across multiple domains. Currently, we have funnels that start in one domain but end in another domain. We have full control and ...
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3answers
816 views

Are there any disadvantages to Cloudflare’s “Flexible SSL”?

Cloudflare let you serve your site over SSL without having to purchase and install a security certificate, a product they call “Flexible SSL”. (They act as a proxy and serve your site over SSL from ...
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1answer
38 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% ...
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1answer
141 views

Using Cloudflare service on new hosting provider

I've changed my hosting provider today and bought a new host from another provider but i have this problem. about my previous host: my previous hosting was also the one that registered my domain. ...
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2answers
166 views

Store files only on CloudFlare's server

Does CloudFlare act as a standalone cloud server, or does it only cache files that already exist on your server? Is MaxCDN the same?
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2answers
743 views

Are CloudFlare or Google Analytics visitor numbers more appropriate to report to advertisers?

I've read Analytics: CloudFlare vs Google - What discrepancy is too big? but still can't put together an answer that the CEO of any company would accept. The numbers in CloudFlare analytics are much ...
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2answers
44 views

Need help with understanding IP blocks

I'm trying to troubleshoot some problems with users being blocked from our website by CloudFlare. We run a Joomla 2.5 installation with RSFirewall. I have the list of IP blocks that CloudFlare uses, ...
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1answer
716 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: ...
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1answer
382 views

How can I log a user's actual IP address instead of CloudFlare's?

My raw access log is now filled with CloudFlare IP addresses. Is there any way I can use a .htacess file or configure the server to log the user's actual IP address? With PHP, CloudFlare creates ...
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1answer
85 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 ...
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1answer
1k views

cloudflare's mx record should set cname or A records

The cloudflare offical support said https://support.cloudflare.com/hc/en-us/articles/200168876-My-email-or-mail-stopped-working-What-should-I-do- But traditionally mx record should not set as cname ...
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3answers
598 views

How can Cloudlfare speed up PHP/MySQL?

My dreamhost plan offers me to use cloudflare CDN to speed up my pages. My page uses PHP/MySQL. I was wondering how this works, because everytime the page is loaded it must execute the PHP code and ...
8
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1answer
4k views

How does CloudFlare's Rocket Loader actually work (and how can a developer ensure compatibility)?

CloudFlare has quite a ground-breaking technology called Rocket Loader (both on free and paid accounts). But how does it actually work? They have a couple of pages that describe the technology, but ...
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1answer
80 views

Webpage loading with wrong content-type after setting up CloudFlare

I recently migrated my blog to the Ghost service, I've also setup an alias DNS record with CloudFlare. While showing the blog to a colleague I discovered one of the posts wasn't loading properly and ...
4
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1answer
2k views

Disable __cfduid cookie from Cloudflare

Is there a Cloudflare setting that corresponds to the creation of the __cfduid session cookie? I'm currently trying out CF; mostly for the neat DNS management and the implicit CDN. But the basic WAF ...
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1answer
59 views

CloudFlare blocking NVD3 Chart on my website

I have installed NVD3 Chart on my website today only and now I find that CloudFlare blocks it so the site hangs till continuously. I am sure that this is an issue with CloudFlare because when I ...
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2answers
234 views

Pages crawled with Cloudflare

I activated Cloudflare on my blog a few days ago and in their Analytics it shows me that there are 255 pages crawled by Bing, 16 by Yandex and only 1 by Google. Why only one page for Google? Should I ...
3
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1answer
591 views

How can SLAs guarantee over 100%

I was just looking through Cloudflares plans and noticed that their Enterprises plan offers a SLA with 2500% uptime. How is it therefore possible to offer anything above 100% uptime?
3
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2answers
284 views

Can using Varnish still help to improve the performance of my site if I already use CloudFlare?

I'm using CloudFlare right now. Can Varnish still help to improve the performance of my site?
4
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3answers
2k 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 ...
8
votes
2answers
2k views

How does a CDN like CloudFlare work?

What I understand so far: You keep your current web hosting, but you change the DNS servers for your site from the DNS servers of your current hosting to CloudFlare's DNS servers. CloudFlare serves ...
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0answers
15 views

cloudflare for joomla website and how to make it more optimized [duplicate]

In our office somebody told to use cloudflare for better website browsing at client end.!! I've put our company's website on cloudflare, now.. what other changes should i make to make my website ...
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0answers
166 views

How to find out the hosting provider of a website protected with CloudFlare? [closed]

We are doing a competitive analysis of our competition, but we can't figure out how to find out the website's hosting provider, if it's protected with CloudFlare. Is it possible?
2
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1answer
948 views

Use SSL on Heroku without paying Heroku for SSL?

In this post, the author suggest a way to get SSL on Heroku without paying Heroku for it: Pay Cloudflare for premium service, and get SSL support with it. Create a CNAME in cloudflare that points to ...
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1answer
1k views

CloudFlare DNS: Downtime failover host

My company uses CloudFlare for its DNS, but as our site is HTTPS-secured and we're on the free plan, we can't utilize CloudFlare's CDN services. Our host has fairly rare but not insignificant ...
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1answer
220 views

Is my Hostgator dedicated IP used any more if I use CloudFlare DNS?

I'm hosting my website with Hostgator and I have a paid dedicated IP address for my host. Today I have made an account on CloudFlare and replaced my old hostgator DNS with ClodFlare's DNS. My ...