Moz Q&A is closed.
After more than 13 years, and tens of thousands of questions, Moz Q&A closed on 12th December 2024. Whilst we’re not completely removing the content - many posts will still be possible to view - we have locked both new posts and new replies. More details here.
Does a CDN affect search rankings?
-
I feel kind of stupid asking this, but if i use one it would speed things up quite a bit. It is for a ecommerce website, any guidance on this would be awesome!
-
Google officially said the site speed is a SEO factor which, when implemented, will affect 1% of SERP results. This gives some idea of the scope of it's relevancy. (not saying 1% is either high or low, this is all very subjective)
Having said that, beyond speed improvement, CDN provides other SEO related benefits.
I've actually just published a 2-part Blog post that investigates SEO & CDN related myths and talks about CDN and SEO benefits, I hope you`ll find it useful. it should answer all questions:
Part 1: SEO & CDN Myths
Part 2: SEO & CDN benefits -
I use a CDN and have never seen any impact on my SEO. As long as your HTML is served off your domain you're fine.
If you're using AWS Cloudfront you can set up a CNAME so that your content comes from, say, images.mydomain.com instead of xyz.cdn.com. Helps obscure it from visitors and looks a bit neater.
-
Using a properly configured CDN will not have any negative effects on SEO. It can have positive effects on your rankings by offering faster page loads.
With Google's current system, you would not see a SEO benefit per se. If your current site is deemed slow by Google, you could have your current speed penalty lifted.
Moving to a CDN will surely provide a better user experience. Google is constantly adjusting it's algorithms in chase of the best user experience, so this is a chance for you to get ahead of the game. It is reasonable to think in the future Google may consider site speed as a ranking factor.
Two other suggestions regarding setting up a CDN:
-
you need to be very conscious of your cache settings. You could make a change on your site and users will not see the change if you do not ensure that change is propagated throughout your CDN
-
try to include all files which would benefit from a CDN. I have seen some sites just add their videos and image files to the CDN. Custom Javascript, CSS files and so forth can all benefit from CDN. PageSpeed and YSlow are two great tools for optimizing page loading times.
-
-
As far as I know, the urls of your additional resources such as images, css, and scripts shouldn't affect your SEO either way.
-
But, does the use of a Content Delivery Network (cdn) itself affect seo? For example my pics / code will be hosted differently. Just kind of confusing to me since I'm used to URL structure being: mydomain.com/images/pic.jpg instead of xyz.cdn.com/2523/myname/pic.jpg. Is this even something to be concerned about?
-
Site speed is only relevant when your site is extremely slow. Google doesn't penalize you unless your page load time is excessively long. You won't get a boost in rankings by speeding up your site.
With that in mind, Site load times do affect your user experience, so you may notice a lower bounce rate, more pages per visit, and possibly a higher conversion rate.
Got a burning SEO question?
Subscribe to Moz Pro to gain full access to Q&A, answer questions, and ask your own.
Browse Questions
Explore more categories
-
Moz Tools
Chat with the community about the Moz tools.
-
SEO Tactics
Discuss the SEO process with fellow marketers
-
Community
Discuss industry events, jobs, and news!
-
Digital Marketing
Chat about tactics outside of SEO
-
Research & Trends
Dive into research and trends in the search industry.
-
Support
Connect on product support and feature requests.
Related Questions
-
Website ranking declined after connecting to CDN
Hi! We are trying to rank https://windowmart.ca for various local search terms. Our head office is in Edmonton where we try to rank https://windowmart.ca/edmonton-windows-doors/ for such terms as "windows Edmonton", "replacement windows Edmonton", "windows and doors Edmonton" as well as others. The website was the leader in its niche for around 2 years. Then we've got some server related issues, moved to a new server and connected CDN Nitropack that really improved our google speed test results. Recently we noticed that our rankings started to drop. Do you know if Nitropack can negatively effect local SEO rankings? Thank you!
Technical SEO | | vaskrupp0 -
Does Page speed matter for google ranking?
We are not sure that page does matter or not for google ranking as I am working for this keyword "flower delivery in Bangalore" from last few months and I saw some website's google first page who have low page speed but still ranking so I am really worried about my page that has also low page speed. will my Bangalore page rank on google the first page if the speed is low and kindly suggest me more tips for the ranking best factors which really works in 2020 and one more thing that domain authority really matters in this year? as I also saw some websites with low domain authority and ranking on google's first page. Home page: Flowerportal Bangalore page: https://flowerportal.in/flower-delivery/bangalore/ focus Keyword is: Flower delivery in Bangalore, send flowers to Bangalore
Technical SEO | | vidi34231 -
Should search pages be indexed?
Hey guys, I've always believed that search pages should be no-indexed but now I'm wondering if there is an argument to index them? Appreciate any thoughts!
Technical SEO | | RebekahVP0 -
Page Rank Flow
I wonder if someone can help me understand clearly page rank flow. If we have a website with a Home page, Services, About and Contact as a very basic website and the page rank will flow to each of those pages from the Home page (i'm not including internal linking between pages or anchor text from the home page content - this is a question purely about home page flow via the main navigation). If the Services page had 3 drop down pages. Would the home page rank also flow to each of these or is it going to the Services page which then distributes it to the three drop down. So instead of Home page rank flowing to 3 pages 33% each - it is flowing to 6 pages 16.6% each. Or is it flowing to 3 pages - 33.3% then the Services pages get a third of 33.3% ->10.1% I know this is simplifying it all a great deal- but it is the basic concept I am trying to grasp on this simple example. Thanks
Technical SEO | | AL123al0 -
Images on sub domain fed from CDN
I have a client that uses a CDN to fill images, from a sub domain ( images.domain.com). We've made sure that the sub domain itself is not blocked. We've added a robots.txt file, we're creating an image sitemap file & we've verified ownership of the domain within GWT. Yet, any crawler that I use only see's the first page of the sub domain (which is .html) but none of the subsequent URL's which are all .jpeg. Is there something simple I'm missing here?
Technical SEO | | TammyWood0 -
Will a CSS Overflow Scroll for content affect SEO rankings?
If I use a CSS overflow scroll for copy, will my SEO rankings be affected? Will Google still be able to index my copy accurately and will keywords used in the copy that are covered by the scroll be recognized by Google?
Technical SEO | | moliver10220 -
Should I nofollow search results pages
I have a customer site where you can search for products they sell url format is: domainname/search/keywords/ keywords being what the user has searched for. This means the number of pages can be limitless as the client has over 7500 products. or should I simply rel canonical the search page or simply no follow it?
Technical SEO | | spiralsites0 -
How long does it take for rank to return after 301?
Hello all -- just looking for those who have implemented site-wide 301 redirects due to a domain change. I am about 2 weeks into mine and am seeing minimum 5, maximum 21 spot drops in many of my targeted terms. My pages have strong GPR, with most being 3 or higher. Anyone out there been able to track a ballpark of when rank will return? The 301 redirects were implemented correctly, with 1 to 1 setups in most cases. Google has updated the listings with the new domain name, but I'm taking a huge rank hit. Any experience on how long I can expect (I know it's different for every situation) would be great! Thanks.
Technical SEO | | Bandicoot0