Tag Archives: browser compatibility

The Curious Case of an Internet Explorer 11 Visitor in 2025

Website visitors, analytics, showing browsers used, including IE 11

It’s late 2025 - you’d probably assume everyone browsing the web is on Chrome, Safari, Edge, or Firefox. And for the vast majority of sites, that is true. But recently we spotted a visitor using Internet Explorer 11 - the last major version of “IE” - and it reminded us that even discontinued browsers aren’t completely gone.

Earlier this year, we shared how someone landed on our website using IE9 - a browser from 2011! That visit

... Continue reading
Posted in General | Tagged , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , | Leave a comment

Valid HTML Isn’t OCD – It’s Smart SEO, Accessibility, and Professionalism

W3C Validator results for ultimatewb.com - no errors or warnings
W3C Validator shows that the UltimateWB website - also built using the UltimateWB website builder - has no errors or warnings. It runs on clean, valid code.

If you’ve ever been told you’re being too picky for caring about your website’s HTML validation, you’re not alone. Some developers brush off invalid code as “harmless,” and non-tech folks might even label you as having a bit of OCD. But here’s the truth: caring about clean, valid HTML isn’t obsessive -

... Continue reading
Posted in Accessibility, Search Engine Optimization (SEO) | Tagged , , , , , , , , , , , , , , , , , , , , , , , , , , , | Leave a comment

Browsers People Use to Visit Your Website – And the Surprise Visitor We Got This Week

visitor-internet-browsers-ie

It's Spring 2025. You might think everyone is browsing the web with the latest version of Chrome, Safari, or Firefox these days - but that’s not always the case. In fact, we recently had a surprising visit from someone using Internet Explorer 9.0. Yep, IE 9, which was released in 2011 and officially discontinued by Microsoft years ago, is still making rare appearances on the web.

This unexpected visit inspired us to dive deeper into what browsers users

... Continue reading
Posted in Website Traffic | Tagged , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , | Leave a comment

WebP vs. JPG/PNG: Should You Use Fallback Images for Compatibility?

Optimizing images for performance is crucial. It is one of the scoring factors on Google's PageSpeed Insights, making it important for search engine optimization too. One of the biggest decisions web developers and website owners face is whether to upload images exclusively as WebP or provide JPG/PNG fallback versions for compatibility. The UltimateWB website builder makes it easy to create WebP images and include JPG/PNG fallback versions in the code with the click of a button. WebP is widely

... Continue reading
Posted in Ask David!, Search Engine Optimization (SEO), Website Design | Tagged , , , , , , , , , , , | Leave a comment

Why Doesn’t Google Maps Use WebP? A Deep Dive

PageSpeed Insights for Google Maps
PageSpeed Insights (PSI), a free tool from Google, notes that Google Maps is not using next-gen formats like WebP or AVIF

WebP: A Modern Image Format

WebP, a modern image format developed by Google, offers superior lossy and lossless compression compared to traditional formats like JPEG and PNG. This translates to smaller file sizes, faster loading times, and reduced data consumption. UltimateWB offers WebP support, with easy tools to automatically convert images to WebP. Given Google's pioneering role in

... Continue reading
Posted in Search Engine Optimization (SEO), Website Design | Tagged , , , , , , | Leave a comment

What are the advantages / disadvantages of replacing all the .mp4 videos on the website with .webm?

webm-vs-mp4

There are both advantages and disadvantages to consider when switching all your website's videos from .mp4 to .webm format:

Advantages:

  • Reduced File Size and Faster Loading: WebM uses codecs (VP8 or VP9) designed for efficient web streaming. This translates to smaller file sizes compared to .mp4 with similar video quality. Smaller files lead to faster loading times, improving user experience and website performance.
  • Open Format, Encoded Content: Both WebM and MP4 are technically open container formats, meaning their specifications are
... Continue reading
Posted in Ask David!, Website Design | Tagged , , , , , , , | Leave a comment