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
-
How to Boost Your WordPress Website Speed to 95+ (Without Premium Plugins)
I'm reaching out for some advice on improving my WordPress website's speed. I'm currently using a free theme for this fusion magazine and aiming for a score of 95+ on Google PageSpeed Insights. I'm aware that premium plugins can significantly enhance performance, but I'm hoping to achieve similar results using primarily free solutions and manual optimizations.
Technical SEO | | mohammadrehanseo0 -
My Website Page Speed is not increasing
HEY EXPERTS, My website page speed is not increasing. I used the wp rocket plugin but still, I am facing errors of Reduce unused CSS, Properly size images, and Avoid serving legacy JavaScript to modern browsers. you can see in the image Screenshot (7).png I used many plugins for speed optimization but still facing errors. I optimized the images manually by using photoshop but still, I am facing the issue of images size. After Google Core Web Vital Update my website keyword position is down due to slow speed. Please guide me on how I increase the page speed of my website https://karmanwalayfabrics.pk Thanks
Technical SEO | | frazashfaq110 -
Not all images indexed in Google
Hi all, Recently, got an unusual issue with images in Google index. We have more than 1,500 images in our sitemap, but according to Search Console only 273 of those are indexed. If I check Google image search directly, I find more images in index, but still not all of them. For example this post has 28 images and only 17 are indexed in Google image. This is happening to other posts as well. Checked all possible reasons (missing alt, image as background, file size, fetch and render in Search Console), but none of these are relevant in our case. So, everything looks fine, but not all images are in index. Any ideas on this issue? Your feedback is much appreciated, thanks
Technical SEO | | flo_seo1 -
My Homepage Won't Load if Javascript is Disabled. Is this an SEO/Indexation issue?
Hi everyone, I'm working with a client who recently had their site redesigned. I'm just going through to do an initial audit to make sure everything looks good. Part of my initial indexation audit goes through questions about how the site functions when you disable, javascript, cookies, and/or css. I use the Web Developer extension for Chrome to do this. I know, more recently, people have said that content loaded by Javascript will be indexed. I just want to make sure it's not hurting my clients SEO. http://americasinstantsigns.com/ Is it as simple as looking at Google's Cached URL? The URL is definitely being indexed and when looking at the text-only version everything appears to be in order. This may be an outdated question, but I just want to be sure! Thank you so much!
Technical SEO | | ccox10 -
Tools/Software that can crawl all image URLs in a site
Excluding Screaming Frog, what other tools/software to use in order to crawl all image URLs in a site? Because in Screaming Frog, they don't crawl image URLs which are not under the site domain. Example of an image URL outside the client site: http://cdn.shopify.com/images/this-is-just-a-sample.png If the client is: http://www.example.com, Screaming Frog only crawls images under it like, http://www.example.com/images/this-is-just-a-sample.png
Technical SEO | | jayoliverwright0 -
Are images stored in Amazon S3 buckets indexable to your domain?
We're storing all our images in S3 bucket, common practice, but we want to get these images to drive traffic back to our site -- and credit for that traffic. We've configured the URLs to be s3.owler.com/<image_name>/<image_id>. I've not seen any of these images show in our web master tools. I am wondering if we're actually not going to get the credit for these images because technically they do sit on another domain. </image_id></image_name>
Technical SEO | | mindofmiller0 -
Image Height/Width attributes, how important are they and should a best practice site include this as std
Hi How important are the image height/width attributes and would you expect a best practice site to have them included ? I hear not having them can slow down a page load time is that correct ? Any other issues from not having them ? I know some re social sharing (i know bufferapp prefers images with h/w attributes to draw into their selection of image options when you post) Most importantly though would you expect them to be intrinsic to sites that have been designed according to best practice guidelines ? Thanks
Technical SEO | | Dan-Lawrence0 -
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