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.
Speed benefits from loading images from a subdomain
-
I have read that loading images from a subdomain of your site instead of the main domain will give you speed benefits on load time. Has anyone actually seen that to be the case? Thanks!
-
Thanks for the helpful advice!
-
If you are talking about using a cookie-free subdomain, that can definitely have an impact on site speed:
http://developer.yahoo.com/performance/rules.html#cookie_free
Just using a subdomain won't have any benefit, and may even slow things down. Using a CDN for images and other components is usually the quickest and easiest solution for most sites.
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
-
Subdomain or subfolder?
Hello, We are working on a new site. The idea of the site is to have an ecommerce shop, but the homepage will be a content page, basically a blog page.
Technical SEO | | pinder325
My developer wants to have the blog (home) page on a subdomain, so blog.example.com, because it will be easier to make a nice content page this way, and the the rest of the site will just be on the root domain (example.com). I'm just worried that this will be bad for our SEO efforts. I've always thought it was better to use a sub folder rather than a subdomain. If we get links to the content on the subdomain, will the link juice flow to the shop, on the root domain? What are your thoughts?0 -
Is Base64 encoding images in general better for SEO or worse?
We've made a lot of changes to our website (https://refreshcartridges.co.uk/) over the years, with our website developer putting a heavy emphasis on improving page loading times in general. One of the those changes has been to base64 encode or in-line the majority of images on our site which has reduced our loading times down to under a second for most of our pages for our visitors which are mainly based in the UK. My question is whether in-lining the images, thus removing the images filenames for index association results in this technique being a net-good or net-bad for our sites SEO in general, particularly on our frontpage.
Technical SEO | | ChrisHolgate0 -
Should I use a canonical URL for images uploaded to a blog post in Wordpress?
Hi, I have a wordpress website that has articles/news posts witch contain imagery. I've noticed that in the Media Library, when you upload an image to a blog post it generates a new permalink ...article-name/article-image-01.jpg I have Yoast SEO plugin and have the option to set a canonical URL for this image. Should I point it back to the actual article? Thanks for any helpers with this.
Technical SEO | | Easigrass0 -
Impact of Medium blog hosted on my subdomain
I am using the Medium blogging platform to blog, but it is pointed to my site and appears at blog.mysite.com. Since the content is hosted on Medium and pointed to my subdomain via an A Record / CNAME / etc... 1. Will my domain get credit for backlinks to the blog content? 2. If Medium changes in the future and no longer points to my subdomain, will I lose all of the backlinks I've built up?
Technical SEO | | davidevans_seo0 -
Hosting images externally
In these days of CDNs does it matter for SEO whether images (and PDFs etc.) are hosted off-site? Does it make a difference if images hosted on Flickr, photobucket etc. Thanks
Technical SEO | | bjalc20110 -
Removing images from site and Image Sitemap SEO advice
Hello again, I have received an update request where they want me to remove images from this site (as of now its a bunch of thumbnails) current page design: http://1stimpressions.com/portfolio/car-wraps/ and turn it into a new design which utilized a slider (such as this): http://1stimpressions.com/portfolio/ They don't want the thumbnails on the page anymore. My question is since my site has a image sitemap that has been indexed will removing all the images hurt my SEO greatly? What would the recommended steps to take to reduce any SEO damage be, if so? Thank you again for your help, always great and very helpful feedback! 🙂 cheers!
Technical SEO | | allstatetransmission0 -
Replace Header Text With Image
I have a static website that I would like to retheme. I have the mockup, and its spliced. The website holds nice rankings right now, and I want to keep them in place. The one thing that will change with this new design is the header will no longer be text, but instead an image. Is there a way to ensure googlebot still sees the H1 tag header exactly how it is now but use an image for the header instead? I dont want any blackhat tricks that will get me banned. Just wondering if there is a simple way to have googlebot see the header as text (not ALT img txt) so the site does not appear to have changed at all. (It hasnt, I only am changing the graphics and colors of background, and header image for better branding.
Technical SEO | | getbigyadig0 -
Subdomain and Domain Rankings
I have read here that domain names with keywords might add a boost to your search rank For instance using a completely inane example monkey-fights.com might get a boost compared to mfl.com (monkey fighting league) when searching for "monkey fights" There seems to be a hot debate as to how much bonus the first domain might get over the second, but leaving that aside for the moment. Question 1. Would monkey-fights.mfl.com get the same kind of bonus as a root domain bonus? Question 2. If the answer to 1 above was yes would a 301 redirect from the suddomain URL to root domain URL retain that bonus I was just thinking on how hard it is to get root domains these days that are not either being squatted on etc. and if this might be a way to get the same bonus, or maybe subdomains are less bonus prone and so it would be a waste of time Thanks
Technical SEO | | bThere0