Optimizing images on the web
Images are a massive part of the Internet. On the median web page, images account for 51% of the bytes loaded, so any improvement made to their speed or their size has a significant impact on performance.
Today, we are excited to announce Cloudflare’s Image Optimization Testing Tool. Simply enter your website’s URL, and we’ll run a series of automated tests to determine if there are any possible improvements you could make in delivering optimal images to visitors.
How users experience speed
Everyone who has ever browsed the web has experienced a website that was slow to load. Often, this is a result of poorly optimized images on that webpage that are either too large for purpose or that were embedded on the page with insufficient information.
Images on a page might take painfully long to load as pixels agonizingly fill in from top-to-bottom; or worse still, they might cause massive shifts of the page layout as the browser learns about their dimensions. These problems are a serious annoyance to users and as of August 2021, search engines punish pages accordingly.
Understandably, slow page loads have an adverse effect on a page's “bounce rate” which is the percentage of Continue reading
New: ipSpace.net Design Clinic
In early September, I started yet another project that’s been on the back burner for over a year: ipSpace.net Design Clinic (aka Ask Me Anything Reasonable in a more structured format). Instead of collecting questions and answering them in a podcast (example: Deep Questions podcast), I decided to make it more interactive with a live audience and real-time discussions. I also wanted to keep it valuable to anyone interested in watching the recordings, so we won’t discuss obscure failures of broken designs or dirty tricks that should have remained in CCIE lab exams.
New: ipSpace.net Design Clinic
In early September, I started yet another project that’s been on the back burner for over a year: ipSpace.net Design Clinic (aka Ask Me Anything Reasonable in a more structured format). Instead of collecting questions and answering them in a podcast (example: Deep Questions podcast), I decided to make it more interactive with a live audience and real-time discussions. I also wanted to keep it valuable to anyone interested in watching the recordings, so we won’t discuss obscure failures of broken designs or dirty tricks that should have remained in CCIE lab exams.
Bringing the Power of SDN Automation to BGP EVPN Overlays
Some customers have asked whether Pluribus can create an overlay using BGP EVPN throughout the fabric, like other vendors do, and not just at the edge. The answer is “yes” we absolutely can do that, but unlike other vendors, we can apply the power of SDN automation to make it simpler.
The post Bringing the Power of SDN Automation to BGP EVPN Overlays appeared first on Pluribus Networks.
Russ’ Rules of Network Design
We have the twelve truths of networking, and possibly Akin’s Laws, but is there a set of rules for network design? I couldn’t find one, so I decided to create one, containing 18 laws I’ve listed below.
Russ’ Rules of Network Design
- If you haven’t found the tradeoffs, you haven’t looked hard enough.
- Design is an iterative process. You probably need one more iteration than you’ve done to get it right.
- A design isn’t finished when everything needed is added, it’s finished when everything possible is taken away.
- Good design isn’t making it work, it’s making it fail gracefully.
- Effective, elegant, efficient. All other orders are incorrect.
- Don’t fix blame; fix problems.
- Local and global optimization are mutually exclusive.
- Reducing state always reduces optimization someplace.
- Reducing state always creates interaction surfaces; shallow and narrow interaction surfaces are better than deep and broad ones.
- The easiest place to improve or screw up a design is at the interaction surfaces.
- The optimum is almost always in the middle someplace; eschew extremes.
- Sometimes its just better to start over.
- There are a handful of right solutions; there is an infinite array of wrong ones.
- You are not immensely smarter than anyone else in Continue reading
Troubleshooting Webinar this Friday
I’m teaching my troubleshooting webinar this Friday. I’ve revamped the slides entirely, so this will likely be a big change for anyone who’s attended previous versions of this. Three hours, 109 slides, and interaction through the chat window … all to develop some really good skills in how to troubleshoot. For those who are curious, I was taught formal troubleshooting skills in my early life in electronics, learning my lessons on ILS, RADAR, and radio systems of various kinds. This webinar is my adaptation of those skills for network engineers.
What’s your Digital Dilemma?
There are many ways to describe the need for IT organizations to do things better. There are multiple opportunities to get it wrong. Certainly, compromising today in the name of tomorrow is what many IT leaders now call the digital dilemma. Derek Britton of Micro Focus offers the vendor perspective.Back-to-Office Canceled: The New Phase of IT Spending
As we hit IT budget season for 2022, many organizations are delaying their back-to-the-office plans. Here's what that will mean for CIO IT spending priorities next year.Blessay: Enterprise DevOps is about Hiring More People
The hidden secret of DevOps is headcount justification
Response: Survey Reveals Talent Shortages as Biggest Barrier to Emerging Technologies Adoption
Lack of training not lack of talent
Stateful Switchover (SSO) 101
Stateful Switchover (SSO) is another seemingly awesome technology that can help you implement high availability when facing a broken non-redundant network design. Here’s how it’s supposed to work:
- A network device runs two copies of the control plane (primary and backup);
- Primary control plane continuously synchronizes its state with the backup control plane;
- When the primary control plane crashes, the backup control plane already has all the required state and is ready to take over in moments.
Delighted? You might be disappointed once you start digging into the details.
Stateful Switchover (SSO) 101
Stateful Switchover (SSO) is another seemingly awesome technology that can help you implement high availability when facing a broken non-redundant network design. Here’s how it’s supposed to work:
- A network device runs two copies of the control plane (primary and backup);
- Primary control plane continuously synchronizes its state with the backup control plane;
- When the primary control plane crashes, the backup control plane already has all the required state and is ready to take over in moments.
Delighted? You might be disappointed once you start digging into the details.
Lucky Webapp Add Select2 dropdowns
In this post I will cover the process of adding searchable dropdown boxes to your Lucky webapp with the Select2 Javascript library and styling them with Bootstrap 5. Software The following software versions were used in this post. Lucky - 0.28.0 Select2 - 4.1.0-rc.0 Bootstrap -...continue reading
Network Break 350: Intel Pledges Billions For European Chip Factories; Facebook Reveals New Data Center Design
This week's Network Break podcast wonders what Intel wants in return for a multi-year, multi-billion pledge to build European chip factories, marvels at Facebook's newly revealed data center designs, analyzes Comcast's Masergy acquisition, and more.
The post Network Break 350: Intel Pledges Billions For European Chip Factories; Facebook Reveals New Data Center Design appeared first on Packet Pushers.