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Ideal Joomla Intro and full article image sizes for Increased Reader Retention - Full Article Image - high JPG quality (81 KB)

Digital content, requires a catchy lead or hero or banner image so the importance of image banners cannot be overstated. They are crucial for grabbing attention and enhancing the overall aesthetic appeal of a blog. This article looks into the optimal sizes for blog images, focusing on various types of banners, background images, logos, and more. By understanding the ideal dimensions and considerations for each image type, bloggers can ensure their content is not only visually appealing but also technically sound. The pressing questions regarding image sizes will be thoroughly answered, providing all the necessary guidelines.

TL:DR – The recommended image sizes vary based on the type of content, and adhering to ideal dimensions ensures optimal website performance and user engagement. Key considerations include compressing images to enhance load speeds and maintaining an aesthetically pleasing appearance across devices.

Understanding image dimensions and their significance

When it comes to using images on a blog, size truly matters. The dimensions of blog images affect the overall user experience, influencing everything from page load times to the visual story being told. In cyberspace, where users' attention spans are fleeting, it’s imperative to present content that is not only engaging but also quick to load. Precision in sizing can mean the difference between a user staying on a page or clicking away, potentially never to return.

Moreover, maintaining a standardised dimension for various images aids in uniformity across the blog, contributing to a seamless visual experience. For instance, banners that are disproportionate can break the flow of content, leading to a disorienting experience. Adopting suitable sizes also enhances website performance, an increasingly important factor in SEO rankings, which underscores the need to balance aesthetics with practicality.

Recommended sizes for intro and full article image types, Joomla hero images

In trying to pick the optimum sizes for Joomla in order to increase reader retention, understanding the recommended sizes for various image types is paramount. Background images typically should be sized at 1920px by 1080px, but designs that are more visually intricate may warrant larger dimensions, up to 2400px by 1600px. This gives ample room for creativity while ensuring that the image retains its clarity on larger screens.

Equally important are Intro and full article images images, the hero images that are the hallmark of any visually compelling Joomla based blog. The ideal size for hero images is 1280px by 720px, striking a balance between clarity and load time. A width of 1800px may also be adopted, particularly for full-height hero images. Mobile displays necessitate adjustments as well; resizing hero images to a size of 800px by 1200px ensures users experience them without pixelation or distortion. Your template should be responsive and take care of this for you. You may need to add the img-fluid boostrap tag to make sure.

Setting up templates in Affinity Photo

In Affinity Photo you can set up a template to use for all your images, which will quietly enforce consistency as part of your publishing workflow. To do so

  • Click File > New
  • Set Page Width to 1280 px
  • Set Page Height to 720 px
  • Set DPI to 72
  • Click New Category (at the bottom of the File Open Dialog box)
  • Name is Joomla and choose an icon for it
  • Click Add New Preset
  • Save your preset values with a name, like 'Featured Image'
Screenshot of a Joomla Featured image template for Affinity Photo
Joomla Featured image template for Affinity Photo
Screenshot of a document created with a Joomla Featured image template for Affinity Photo
Document created with a Joomla Featured image template for Affinity Photo

Now to create the template I made a gradient background based off the theme colours for my website and added text and a logo in specific positions to make it consistent.

  • By consistent what i mean is I intend to use this template on each page where there is text, so there will be text and a logo.
  • Using the size of the image as a guide I set the X and Y of the text to be 160 px and the W to be 960 and the H to be 320. Looks right to me and all these are divisible by 1280 so they feel right too. 
  • Same for the Joomla Logo which I converted to the theme color for the text and set to X 960 Y 400 and W and H 144. Looks 'right' to me. 
Screenshot of text placement for the article image
Text placement for the article image
Screenshot of icon placement for the article image
Icon placement for the article image
 

Optimising blog images for clarity and speed

Blog images should not only be captivating in terms of visual impact but also optimised for performance. Compressed images lead to faster loading times – a necessity in maintaining user engagement. An ideal target for blog image size is maintaining file sizes between 150KB and 300KB for most images to reduce lag without sacrificing quality. Implementing tools for image compression can significantly enhance the speed at which pages load, inherently improving user satisfaction.

Exporting the image in Affinity Photo lets you choose the format and compression. Here are exported images in 'Best' and then 'High' quality. 'High' loads extremely quickly at the loss of some crispness. Only you can make the judgement here as to whether its worth it. But your search engine stats will tell you if your pages are taking too long to load.

Featured Image - Best JPG quality (302 KB)
Featured Image - Best JPG quality (302 KB)
Featured Image - high JPG quality (81 KB)
Featured Image - high JPG quality (81 KB)

Additionally, blog images should adopt an aspect ratio of either 3:2 or 4:3. The former is particularly popular for landscape-focused content while the latter accommodates portrait images. Being cognizant of the balance between file size and clarity allows for an optimal viewing experience that caters to diverse audiences.

Banner image specifications and standards

Web banners come in various dimensions, tailored for specific needs. Popular banner sizes include the medium rectangle (300px by 250px), which excels at embedding content within articles. The leaderboard size (728px by 90px) is preferred for placement at the top of web pages, providing maximum visibility. A detailed understanding of these sizes ensures that ads can be integrated without compromising the layout of the blog.

Moreover, wide skyscraper banners (160px by 600px) create compelling visual interest, capturing users' eyes as they navigate through content. The choice of banner size must also factor in the intended device; mobile banners (300px by 50px) enhance the user experience on smartphones and tablets. The focus in these banners should always remain centre-stage to prevent cropping when viewed on variable screen sizes.

Logos and favicons: the essentials for branding

Crafting an effective digital identity extends seamlessly into correctly sized logos and favicons. Logos, which can take on square or rectangular formats, ideally range from 250px by 100px for a standard size, although a 1:1 aspect ratio is favourable for square formats. It's vital that the file is scalable while remaining identifiable, as logos are a cornerstone of any branding strategy.

Favicons, those tiny but significant icons that represent your site in browser tabs, should typically exist at sizes of either 16px by 16px or 32px by 32px. Multiple dimensions may be necessary depending on the platform and display size. The most commonly used formats for logos and favicons are PNGs and SVGs, as these maintain clarity across various resolutions and display sizes.

Final thoughts on image selection and performance

In conclusion, it is crucial for bloggers to recognise the stark impact that proper image sizing and optimisation can have on reader retention and SEO. As the digital landscape continues to evolve, expectations for rapid loading times and standout imagery rise commensurately. Rounding off your blog with appropriately sized and optimised images fosters both a smoother user experience and improves the potential for higher search engine rankings.

As competition grows fiercer, understanding the delicate balance between aesthetics and functionality can delineate the successes of one blog from another. Choose your images wisely, compress judiciously, and may your blog flourish amidst the digital noise.

For those starting the process of optimising their blog’s images, consider investing in a capable imaging tool. We use Affinity Photo.

Licences, trademarks, source code licences and attributions

Licences, trademarks, source code licences and attributions

Multizone and this site is not affiliated with or endorsed by The Joomla! Project™. Any products and services provided through this site are not supported or warrantied by The Joomla! Project or Open Source Matters, Inc. Use of the Joomla!® name, symbol, logo and related trademarks is permitted under a limited licence granted by Open Source Matters, Inc. 928uk® is a trademark of Multizone Limited, registered in the UK. AdMob™, AdSense™, AdWords™, Android™, Chrome OS™, Chromebook™, Chrome™, DART™, Flutter™, Firebase™, Firestore™, Fuchsia™, Gmail™, Google Maps™, Google Pixel™, Google Play™, Pixelbook Go™, and Pixel™ and other trademarks listed at the Google Brand Resource center are trademarks of Google LLC and this site is not endorsed by or affiliated with Google in any way. Apple and the Apple logo are trademarks of Apple Inc., registered in the U.S. and other countries. App Store is a service mark of Apple Inc. The OSI logo trademark is the trademark of Open Source Initiative. Microsoft, CoPilot, Microsoft 365, Microsoft Teams, and Windows are trademarks of the Microsoft group of companies. ROKU, the ROKU Logo, STREAMING STICK, ROKU TV, ROKU POWERED, the ROKU POWERED Logo, ROKU READY, the ROKU READY Logo, the purple fabric tag design,and the purple d-pad design are trademarks and/or registered trademarks of Roku, Inc. in the UK, the United States and other countries. UNIX® and the X® logo are registered trademarks of The Open Group. Any other product or company names may be trademarks™ or registered® trademarks of their respective holders. Use of these trademarks in articles here does not apply affiliation or endorsement by any of them.

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