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.
Responsive images srcset
-
Is delivering scaled images using srcset a good idea?
Thinking of delivering one image size to Mobile and another to Desktop. How can I do this for all browsers?
Thanks Mike
-
AFAIK since the way images are used online hasn't 'significantly' changed in decades (as Zohaib says) - there is no factual industry standard. But this technique seems like it could yield faster page-loading speeds for mobile, which we all know Google does stand behind. Google often come up with an error on Page Speed insights which says, you are serving massive resolution images with a tiny viewport. They actually can and do regard that as an error, so surely if Google documents that the technique is acceptable to them and we know it solves certain issues, it is at least 'worth a try' IMO
-
I've always used CSS to scale images between devices. Though this can increase the page loading times, so for better performance there are plugins available for CMSs to improve page rendering speeds,
-
Images are some of the most important pieces of information on the web, but over the web’s 25-year history, they haven’t been very adaptable at all. Everything about them has been stubbornly fixed: their size, format and crop, all set in stone by a single
src
. -
Thanks, yes I had read this article but can't find any websites using this technique. Has it been adopted as an industry standard, or is there another option?
-
Google doesn't seem to have a problem with this:
https://developers.google.com/web/fundamentals/design-and-ux/responsive/images
"TL;DR
- Use relative sizes for images to prevent them from accidentally overflowing the container.
- Use the
picture
element when you want to specify different images depending on device characteristics (a.k.a. art direction). - Use
srcset
and thex
descriptor in theimg
element to give hints to the browser about the best image to use when choosing from different densities. - If your page only has one or two images and these are not used elsewhere on your site, consider using inline images to reduce file requests.
-
Enhance
img
s withsrcset
for high DPI devicesThe
srcset
attribute enhances the behavior of theimg
element, making it easy to provide multiple image files for different device characteristics. Similar to theimage-set
CSS function native to CSS,srcset
allows the browser to choose the best image depending on the characteristics of the device, for example using a 2x image on a 2x display, and potentially in the future, a 1x image on a 2x device when on a limited bandwidth network."This part seemed most important to me:
"On browsers that don't support
srcset
, the browser simply uses the default image file specified by thesrc
_ attribute. This is why it is important to always include a 1x image that can be displayed on any device, regardless of capabilities._ "... so basically you define your srcset as per Google's documentation, but you must be sure to include a default fallback image that could work on all browsers and devices - that's what gets used if the browser is unable to interpret your srcset (or if your srcset doesn't include anything for the specified browser)
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
-
Is using a H1 tag in a logo image bad for SEO?
We have brand logos on certain pages that have H1 tags in them - the H1 text being the brand's name, as this is what we'd want the title of the page to be. The logos are at the top of the page instead of a written title. But is this the best option for SEO? Do search engines value H1 tags in images as highly as a standard H1 tag?Would it be better for SEO to add an alt tag to the logo and add a separate H1 tag on the page that's also the name of the brand?
On-Page Optimization | Jun 13, 2024, 10:59 AM | DVLighting0 -
SEO Implications of using Images for Article Titles
Hi guys! New to Moz Pro. I just recently completed an online course with Moz... I have a client who is writing some new content for their site, and we are approaching it with SEO in mind. I was wondering about using an image with text on it as the article title, instead of an actual "text on the page" title. Wondering if that's going to "cost" us anything, SEO wise. I guess we could use alt-text/title/description fields to make sure the keywords are crawlable for our article title but do they have less "weight" than a standard title? How does that work? Hope my question makes sense. Article header attached mB0PXsA.jpg
On-Page Optimization | Jul 10, 2019, 12:44 PM | JakeWarren1 -
How many hyphens are allowed in page titles or image names?
When I was going through certification, I was told it should be limited to one or two. I was curious if there is a change.
On-Page Optimization | Jul 10, 2018, 6:36 AM | SeobyKP0 -
How to find all broken images?
Are there any free tools that will crawl a full website and report back on any broken tags? My site recently added several thousand previously archived posts, many of which contain old tags that no longer exist. ScreamingFrog's crawl is too limited to reach most of these posts, and I haven't been able to find another free tool to get the job done. If there's no free tool, does anyone know of an affordable paid alternative?
On-Page Optimization | Jan 10, 2018, 2:08 PM | WebElaine0 -
Alt Tags on multiple product images
Hi I work on SEO for an ecommerce site and wanted to find out how important it is to optimise all images with alt tags. We have alt tags in place, however have not optimised descriptions for the following example images: Front of cupboard Back of cupboard Side of cupboard etc Is this dangerous for SEO if these images all have the same alt tag? We have thousands of products so it would be a huge job to update these, but if it's crucial for SEO we can work through our priorities. Thank you!
On-Page Optimization | Sep 17, 2015, 8:04 AM | BeckyKey0 -
Image File Names for eCommerce?
Hi everyone! I'm wondering about naming my product photo file names for an E-Commerce site. Let's say I say have product named Abe Lincoln in the **Print **category for sale with 4 images, relatively similar but from different views for example.Could I name them as follows? 1) abe-lincoln-print.jpg 2) abe-lincoln-print-side-view.jpg 3) abe-lincoln-print-close-up.jpg 4) abe-lincoln-print-font-view.jpg Or is that too many keywords for the page? Should I be worried about keyword stuffing? Plus once I add in title and alt tags and descriptions this could also increase the keyword count for "abe lincoln print"?
On-Page Optimization | Mar 22, 2015, 7:20 PM | TheFlyingSweetPotato0 -
Image naming best practices?
While I have found many good sources of information for naming images for SEO purposes, I'm having trouble finding an up-to-date, exhaustive and authoritative source for image names, alt tags, etc. For instance... Max characters for image name? Max hyphens? How descriptive should you be? "ice-cream-flavors-icon_._jpg" or "ice-cream-flavors.jpg" or simply "ice-cream.jpg" How similar should the image name, alt text and page title be? At what point are you overusing a keyword? Rules to follow? So much more, but you get the idea! Anyone have a good reference or an answer to all things related to images and SEO? Thanks!
On-Page Optimization | Jul 10, 2014, 12:22 PM | OSD0 -
How important are image file names
Hi, How important do you think the image file names are for image search?
On-Page Optimization | Dec 18, 2013, 4:49 PM | jjtech
I know it used to be the best practice a while ago but is it still important? Thanks in advance, JJ0