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
-
Moving from a subdomain to subfolder
Hello, I am currently working on a site that is leveraging multiple subdomains. I wanted to see if it suggested to migrate them into subfolders. One of the subdomains is a .shop and the other is location specific. Thanks, T
Technical SEO | | Tucker_100 -
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 -
Robots.txt on subdomains
Hi guys! I keep reading conflicting information on this and it's left me a little unsure. Am I right in thinking that a website with a subdomain of shop.sitetitle.com will share the same robots.txt file as the root domain?
Technical SEO | | Whittie0 -
ALT attribute keyword on the same image but different pages
Hi there, As i'm sure you're probably aware, moz advises to use a keyword within the ALT attribute on pages... On a new website I am launching, I have the ability to add an alt keyword to image headers. On multiple pages we have the exact same image but with different keywords associated them inside the alt attribute. The image itself is a collage of different images and so the keywords used can, quite sneakily, match the image. My question is therefore, will using different keywords on the same image on different pages have a negative effect on SEO? Thanks, Stuart
Technical SEO | | Stuart260 -
Image Indexing Issue by Google
Hello All,My URL is: www.thesalebox.comI have Submitted my image Sitemap in google webmaster tool on 10th Oct 2013,Still google could not indexing any of my web images,Please refer my sitemap - www.thesalebox.com/AppliancesHomeEntertainment.xml and www.thesalebox.com/Hardware.xmland my webmaster status and image indexing status are below,
Technical SEO | | CommercePunditCan you please help me, why my images are not indexing in google yet? is there any issue? please give me suggestions?Thanks!
0 -
Best Way To Clean Up Unruly SubDomain?
Hi, I have several subdomains that present no real SEO value, but are being indexed. They don't earn any backlinks either. What's the best way of cleaning them up? I was thinking the following: 1. Verify them all in Webmaster Tools. 2. Remove all URLs from the index via the Removal Tool in WMT 3. Add site-wide no-index, follow directive. Also, to remove the URLs in WMT, you usually have to block the URLs via /robots.txt. If I'd like to keep Google crawling through the subdomains and remove their URLs, is there a way to do so?
Technical SEO | | RocketZando0 -
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 -
Where should a knowledge base be hosted for max. SEO benefit?
A client would like to set up a knowledge base to work in conjunction with their website and we are tossing up whether to go with a hosted solution (and therefore set up as a subdomain) or find a solution that we host on the clients domain (which will presumably have more SEO benefit). We are leaning towards the latter (although are mindful that we need to balance the client’s desire for a quality KB solution). Appreciate your feedback.
Technical SEO | | E2E0