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.
242
questions
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15 views
Cloudflare Pending validation error due to VirusTotal
My domain (quảcầu.cc/xn--qucu-hr5aza.cc) couldn't receive certification due to an error:
When I checked with VirusTotal, only one security vendor flagged this URL as malicious. The rest flagged it ...
2
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1answer
60 views
Should I use DNS prefetch and preconnect when loading resources from CDN?
In my web page I load around 12 resources from jsdelivr (CSS and JS).
Should I optimize it with one (or both) of following techniques? If yes, should I put the tags right before loading tags or at the ...
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0answers
25 views
Cloudflare free version asked to update name server again after 1 month for one of the domains [closed]
I have moved one of my website to use Free cloudflare CDN so i changed my Name servers on my registrar to point to cloudflare Name server
When setting up i was asked to change name server to
...
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0answers
32 views
Website performance gone down after cloudflare cdn activated
I wanted to checkout Cloudflare CDN free version for old website and activate CDN for it and noticed that website performance was hit after activating CDN. What could be reason as I am new to ...
2
votes
1answer
215 views
Effect of a CDN on latency of an overseas web server
I'm trying to understand the effect a CDN can have on latency. I tried pinging three different web servers, two of which are based in France. Here are the results I got at the time of the test:
...
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0answers
42 views
Is cloudlayar a legit protection service?
I recently came across a very cheap protection service similar to Cloudflare called Cloudlayar:
https://cloudlayar.com/
It's a bit weird because the prices are too good to be true, no PayPal (so ...
0
votes
1answer
68 views
Cache-Control for ads.txt, robots.txt and sitemap.xml files that are generated dynamically
I have some "static files" that I build on the fly, because they are generated dynamically.
ads.txt
robots.txt
sitemap.xml
What is the ideal Cache-Control for those files? PS: My server is ...
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2answers
29 views
How to ensure image search optimization when hosting on a content delivery network?
To improve my websites' user experience, I want to optimize site speed, as well as search engine ranking.
Google stated that Improving web speed can benefit ranking in search engine results, but apart ...
1
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1answer
142 views
Is there a risk to hosting service if hot-potato site is using cloudflare?
Picture a politically hot website that might be subject to a DDOS attack. If that site is hosted at examplehosting.com and then uses cloudflare or another CDN, is the hosting service vulnerable to a ...
0
votes
1answer
25 views
Disable hotlinking or saving or your images online?
I have some JavaScript and CSS to block right clicks and stuff and everything is on cloudflare CDN which tells me when I get hotlinked.
Is there a way to stop this?
2
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0answers
26 views
Can WordPress plugins W3 Cache, Autoptimize, Stackpath CDN, and Shortpixel be used together? [closed]
I'm trying to combine some WordPress plugins to speed up my websites. Can I use
W3 Cache
Autoptimize
a CDN with Stackpath,
Shortpixel Image Optimization
together at the same time? Are there any ...
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1answer
34 views
Why does Cloudflare seem to be caching 522 responses for resources?
I have a number of different websites hosted in cpanel and proxied through Cloudflare. The symptoms I'm getting are as follows:
One of my hosted customers will contact me to say something isn't ...
1
vote
1answer
66 views
Is there any way to find main domain with addon domain?
I want to rent a host that support 8 addon domains.
I will use the Cloudflare CDN for my domains.
Please tell me is that possible for others (people or robots) to identify my other websites?
Thanks
0
votes
2answers
127 views
How does Cloudflare do HTTPS for my site when I haven't provided them with an ssl certificate?
I setup cloudflare today. It only asked me to add its nameservers to my domain. After doing that I'm able to access my site at my domain name but it's now cloudflare's IP. This is all good and as ...
2
votes
1answer
54 views
Why do CDNs use push for larger files?
As I learn about Content Delivery Networks (CDNs), every source I read online says that pull zones are used more frequently, while push zones are used for larger files or files that don't change often....
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vote
1answer
25 views
Has jsdelivr stopped to provide js-lib concat service?
I used jsdelivr for a long time.
It has a very strong feature:
https://cdn.jsdelivr.net/g/jquery@3.2.1,jquery.ui@1.11.4
However, recently it looks like they've stopped updating this. For instance, ...
0
votes
1answer
71 views
Migration from Jetpack Image CDN to Cloudflare
Like most of the Wordpress site owners, I have been using Jetpack's Image CDN for delivering images across the world on my site. Lately, I came across this article stating that there is no harm in ...
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0answers
15 views
Geo specific content and CDN caching [closed]
Our Wordpress website has a list of products which is generated on the server side. Depending on user ip (country) the list gets populated with different items. Some products are meant to be displayed ...
1
vote
0answers
19 views
Increase of Googlebot response time after CDN implementation
Problem: We have a site hosted in Germany that is suffixed with ".de". Recently, we implemented a CDN with Cloudflare. Shortly after our Googlebot response times increased from 60-100ms to 400-500ms. ...
1
vote
1answer
43 views
CDN cached PHP page vs HTML one - Loading speed
Is there any difference at all in terms of loading speed if we have a fully cached PHP generated site (by for example, using CloudFlare rules "Cache everything") and a HTML page?
Cloudflare allows ...
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0answers
56 views
Can you Bring Your Own IP to Akamai?
Most clouds allow one to bring ones own IP networks. Is this also possible with Akamai or is one stuck with their networks?
3
votes
1answer
35 views
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 ...
2
votes
1answer
40 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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0answers
70 views
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 ...
1
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2answers
252 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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2answers
353 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 ...
3
votes
1answer
1k 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-1 ...
1
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0answers
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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0answers
59 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 ...
1
vote
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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1answer
3k 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
2k 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://...
4
votes
1answer
358 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 ...
2
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0answers
1k views
Disable caching for subdomain on Cloudflare?
How can I disable caching for a subdomain on Cloudflare but keep SSL?
2
votes
2answers
86 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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0answers
582 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 ...
3
votes
1answer
790 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 ...
4
votes
0answers
58 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 ...
0
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1answer
46 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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0answers
591 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 ...
2
votes
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 ...
7
votes
2answers
2k 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, ...
8
votes
2answers
3k 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 ...
1
vote
1answer
229 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 ...
0
votes
1answer
55 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 ...
2
votes
1answer
488 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?
3
votes
1answer
466 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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0answers
479 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....
4
votes
1answer
913 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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0answers
60 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 - ...
