Questions tagged [cdn]

A content delivery network or content distribution network (CDN) is a system of computers containing copies of data placed at various nodes of a network.

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Googlebot-Image incorrectly crossing domain URLs

My website (www.example.com) has all of my images hosted via CDN under a different sub-domain (cdn.example.com). We've noticed an odd behavior recently, that seems as though Googlebot-Image/1.0 is ...
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1answer
21 views

Why don't CDNs reveal an IP to be used as an ANAME (alias)?

I've read through the docs on AWS CloudFront and CloudFlare CDN, and both of them appear to require either ownership (to be the registrar) of a domain, or at least to have their DNS pointed to as the ...
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When you use a cdn to deliver images how does google index it?

I have started using a CDN on my website, the image links are as follows: "https://cdn.shortpixel.ai/client/q_lossy,ret_img/https://my-domain-name.example/wp-content/uploads/2018/12/logo-1.png In ...
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101 views

Is CDN bad for image SEO?

I found a blog post on Shopify about image optimization with the following statement: By placing your images on a CDN, you are most likely removing the image from your domain and placing it on the ...
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77 views

What to do when changing or moving off of a CDN to redirect images?

I am moving a site off of a CDN where all the images are cached and served: https://some-cdn.example/my-image.jpg The image will now live here: https://myurl.example/my-image.jpg Many of these ...
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1answer
201 views

IllegalLocationConstraintException on CloudFront (with S3)

I have created an S3 and I uploaded files on the bucket successfully. Now, I am trying to make it work with CloudFront however it is giving me IllegalLocationConstraintException The ap-east-...
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11 views

How do I register a custom domain in Azure when I cannot add the Azure Web App hostname as a CNAME to our domain?

Let's assume we're running a website on greatwebsite.com. This is a multilingual website, and we're using /en, /de, /fr as path prefixes to handle languages (and not via top level domains). We're ...
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31 views

When using an image server on a separate domain, should we link directly to the image URL and restrict crawling, or redirect through our domain?

I have a large number of images stored on a separate server, these URLs currently go through a 302 redirect. I think these additional pages are a total waste of time for Google to crawl. At the ...
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1answer
39 views

How can CloudFlare help me? [duplicate]

CloudFlare help needed Recently I was looking for a free CDN service. I was looking for free subscription. Someone suggested me cloudflare for this. I registered here but it seems to be complex for ...
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79 views

Using the Internet Archive’s Wayback Machine as a CDN

Can the Internet Archive’s Wayback Machine be used as a content-distribution network (CDN)? Aside from the moral problem of stealing bandwidth from an organization I love, would serving a unique file ...
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1answer
332 views

ERROR: The request could not be satisfied - Amazon CloudFront CDN

Amazon's Cloudfront CDN requires correct connection to your origin in order to work properly without any 502 bad gateway error. I did setup everything alright. For example: Cloudfront URL: https://...
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352 views

Why pay for a distributed DNS service when ISPs cache lookups?

Suppose I've purchased example.com from my neighbor's startup domain name company, superlowcostdomainnames.com (aka SlowDNS). At first DNS is a bit of a performance drag, because SlowDNSs servers are ...
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530 views

Disable caching for subdomain on Cloudflare?

How can I disable caching for a subdomain on Cloudflare but keep SSL?
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2answers
74 views

Will CDN affect my SEO?

I'm planning to use a CDN for hosting all my website files. This is because it makes the site load faster. My boss asked me a question before implementing this. Will this affect the SEO in any way. My ...
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391 views

Will introducing a CDN for images on a subdomain dilute our PageRank or hurt our rankings?

Background: We run a product aggregator site. We list 20k products which will grow to 200k within the next year and also have a section of the site where users can take those product images and ...
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1answer
530 views

Google intermittently fails to download CSS and JS from CloudFront CDN

We noticed a lot of "Mobile Usability" errors in the Search Console. When I clicked on them and chose "Check live version" option - it always said the page was mobile friendly. However, the mobile ...
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46 views

Increase in self-referrals in Google Analytics since implementation of CDN

Since the implementation of a CDN, my self-referrals have gone from being non-existent to thousands per day, the referral report in analytics with full referrer as a secondary dimension show that the ...
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1answer
30 views

Duplicating CDN content under different domains

I have the english version of my site under mysamplewebsite.com, I serve all of the image content from cdn.mysamplewebsite.com. I also have the localized versions of the .com site under top level ...
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412 views

CloudFront very slow TTFB after enabling HTTP/2

My site was running on HTTP/1.1 with CloudFront at front, Webpagetest reports the load time usually at 2 seconds. Yesterday I enabled HTTP/2 (and SSL) on CloudFront, hoping to see an improvement. The ...
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1answer
39 views

eCommerce: Do Content Delivery Networks 'see' customer exchanges/data?

I am thinking of using a Content Delivery Network. CloudFare being the most popular and initial obvious choice. The website is an eCommerce site. As such, there will be exchanges of customer's ...
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532 views

Is it possible to block cookies that are set by externally hosted content?

Is it possible to block cookies that are set by externally hosted content embedded in a page? For example if I embed an image from a CDN, the response for this image may contain a Set-Cookie header, ...
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2k views

Facebook crawler with no user agent spamming our site in possible DoS attack

Crawlers registered to Facebook (ipv6 ending in :face:b00c::1) were slamming our site, seeing 10s of thousands of hits in just 20 minutes. We noticed they didn't have a user agent in the header and ...
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200 views

If I choose to use a naked domain for my website (no www), will I be unable to use a CDN later?

I would like to use a naked domain instead of one with a sub domain but am worried about some potential issues down the line. It is an ecommerce site so if the site grows then a content delivery ...
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46 views

How can any media-driven website be profitable with a CDN?

Long story short, I run a website where users upload their own content. Photos and videos. Everything is posted directly to an AWS S3 Bucket, then propagated out to a CDN. I have users all over the ...
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162 views

CDN setup without nameserver AND cname manipulation

Is it possible? Does somebody know, how is it technically possible to setup a CDN without nameserver and cname manipulation?
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380 views

Performance Issues Using SSL With Cloudflare

I have been using Cloudflare for a while without much consideration to what it was doing. Today I have noticed that there is around 500ms of delay when I view a web page over https when Cloudflare is ...
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174 views

How to prevent CDN content URLs being indexed by Google [duplicate]

Well, robots.txt prevent crawling and meta robots tag in HTML (or) X-Robots-Tag HTTP header prevents indexing (and other functionalities available too). So, even when a URL is disallowed in robots....
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1answer
643 views

“Resources with a “?” in the URL are not cached by some proxy caching servers”

I'm using query strings to burst out of cache, e.g.: mysite.css?201708311009 where the date is that of the last modification date of the file. Running a speed test on PingDom gets me this result: ...
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57 views

Effective and cheap way of hosting images [closed]

I'm making a website that uses mostly images, they take up to 150gb disk space. My VPS is only 40GB SSD and I'm looking for a way to host images elsewhere. How can I achieve that? What are the ways - ...
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31 views

Duplicate content with image CDN [duplicate]

I'm in a similar situation as this user: CDN virtual subdomain causes duplicated content However, I have yet to create the CDN. My question has 2 parts: Part 1: I think I may have found an issue ...
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60 views

Will a US, Asia, and Europe CDN improve page load time for Central American visitors to a US hosted site?

The CDN's location servers are on US, Europe, and Asia. The web page is hosted in US. Visitors to your website are only from Central America. Will the website page load time be benefit if that CDN ...
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1answer
169 views

Parallelize downloads with one server by using apache

People seem to be pushing all of this as a way to sell CDNs, but surely it can be just done with apache. If browsers can only download 8 files at a time from website.com, why cant I just setup 2 ...
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5answers
76 views

Moving website images to remote server vs moving database to remote server

I have a wordpress website that has gotten too big for a single server. I need to decide whether I should host the database externally i.e. purchase another server for the DB or if i should host the ...
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29 views

Point second domain at website when only CloudFlare IPs have been white listed for first domain

I blocked the IP address of my website because I'm using CloudFlare whose IPs I've white listed. I have another domain which I want to point to my site. Besides an IP address is there anyway I can ...
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1answer
44 views

Can I migrate the hosting of my CDN configured site?

My site is CloudFlare Free CDN configured & I am planning to migrate my hosting. Can I do so, since its CDN configured?
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175 views

Can I use CloudFlare DNS without using their service and point DNS to Incapsula?

I have been using CloudFlare for a few years as well as Incapsula and while CloudFlare excels in CDN, it is far far far behind in terms of security. Incapsula on the other hand rocks for security (at ...
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26 views

“Site unreachable” when using asset parallelization with Cloudflare CDN [closed]

I use WordPress site with CDN (Cloudflare). I want to serve static files(images, js, and css) from a different static cookieless domain. I create subdomains in my DNS, but I can't add images or ...
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1answer
240 views

Remote CDN: Pro's and Cons of grouping CSS and JS

I'd like to know the pros and cons of grouping external CSS and JavaScript files. The grouping method I'm referring to often seen by external libraries providers such as Google fonts and jsDelivr. ...
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2answers
1k views

CloudFlare isn't working as CDN

Perhaps I'm not getting it as should, but as far as I got it, CloudFlare should use local(geographically) servers, relative to the user, to deliver the content. But instead, I'm getting all the time ...
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1answer
266 views

Does adding CDN stops Google from crawling?

I want to add Cloudflare free CDN to my site but worried about whether Google bots will be able to crawl my site later on or not.
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1answer
195 views

Cloudflare disallow directory

I've disallowed a directory by following this and looked at cloudflare's KB I've turned off all the features from the page rules: Here are a few that are not disabled because I didn't think I needed ...
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1answer
362 views

Google Search Console “Indexed Pages” spike and traffic loss after image CDN switch

Back on 2/7, we changed CDNs from Amazon Cloudfront to StackPath for the images on our popular sports website. We ticked off the "use canonical headers" option when doing so. Starting on 2/12, we ...
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2answers
77 views

How do CDNs determine where the edge nodes should be placed? [closed]

I recently started reading upon CDNs and how they can help optimize web requests by having a network of edge nodes which are much closer to the user. What kind of parameters do CDN Providers look ...
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181 views

Accessing distribution URL directly gives XML error

I'm currently setting up the Amazon Cloudfront distribution and S3 bucket for my Wordpress website. I set up new S3 bucket for the site and i'm using the S3 offload plugin for wordpress to store any ...
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2answers
61 views

Can I set up alerts for when a CDN is down?

My client use a CDN on their website. Sometimes the CDN is not properly working and images aren't loading. Can I automatically get a notification whenever the CDN is not working properly? The client ...
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2answers
462 views

Do I need to redirect my CDN subdomain www version to the non-www

I just uploaded some images to a CDN that is available under: http://subdomain.example.com/image/filename.jpg So I need to make any redirect as I do for the main domain? In that case I redirect the ...
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1answer
402 views

Is it possible to have CloudFlare cache static files, but only serve them to specific users?

I want to use CloudFlare as a CDN to cache and serve a static file in order to reduce the load on my server, however, the catch is that I only want this file to be served to paid users since it's an ...
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1answer
66 views

My Site Still Caches Its First Homepage from 6 Months Ago

I use W3 Total Cache and CloudFlare (free-tier) as my CDN. For whatever reason, my WordPress site still caches the first version of its "Front Page" (not a posts page) for new user sessions, across ...
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1answer
80 views

How to pass requested domain to server when behind MaxCDN?

I have a bit of a problem getting our server to know what domain was requested to get to the server. The scenario is like this. site1.tld, site2.tld, site3.tld and site4.tld are all pointing to ...
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2k views

Can CloudFlare use different origins based on path pattern?

I'm trying to switch from AWS CloudFront to CloudFlare. Currently, my web site is hosted on EC2 and my large static files are placed in S3 separately. CloudFront let me serve the web pages and the ...