Below are two graphs plotting the number of images on a page against the total KB transferred by Chrome 13 for both a page with JSIO and without JSIO (which I, for some reason have called a “plain” page).
I build websites for a living, so I have a lot of folders of images from various websites lying around which form the two data sets for the graphs. I’d like to think of them as a typical set of website images, but you may argue that they are typical for the websites that I build.
I knocked up a script that when given a folder of images, will output a “plain” HTML page, a JSIO HTML page and a JSIO resources file with the following numbers of images on them: 2, 4, 6, 8, 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 200, 300, 400, 500, 600, 700, 800, 900, 1000 and 1100. Before generating any of the pages, the order of the images were randomised to better represent a web page’s inclusion of different images for different purposes.
Chrome 13 was used with the developer toolbar to determine how many requests were being made and the actual KB transferred (with slight rounding errors) by the browser. In my opinion I would say that Apache was set up to serve image and javascript content typical of many servers on the internet in that images were not gzipped but javascript files were; the register, bbc, for example.
What is interesting to note is that the number of bytes transferred by JSIO are consistently lower than the bytes transferred by a plain HTML page…but not by a lot. The file size inflation due to base64 encoding seems to cancel out a lot of bytes the gained from making fewer requests. However, it is obvious that JSIO won’t actually lose you any bytes, but it isn’t going to save you a substantial amount. That said, saving bytes isn’t the only benefit of JSIO, remember that one of JSIO’s goals is also to alleviate some of the problems surrounding the creation and use of image sprites – which it does also do very well.
The graph below is just for fun, it plots the number of requests made by JSIO pages against the number of requests made by plain HTML pages. Note the JSIO pages make a constant 4 requests (index.html, jsio.js, jsio-resources.js and jsio.gif) independent of how many images are on the page:
Came away feeling slightly smarter than I was when I started, that is a real win, and a stop at numenoat added a bit more to that, the rare site that actually transfers some of its knowledge to the reader in a way that sticks rather than just creating an illusion of learning briefly.
Honestly enjoyed not being sold anything for the entire duration of the post, and a look at mavlizo kept that pleasant absence going across more pages, content that exists for its own sake rather than as a funnel to a paid product is increasingly rare and worth supporting where I can find it.
Quiet confidence runs through the whole post, no need to shout to make the points stick, and a stop at vankiro carried that same restrained voice forward, content that respects the reader by trusting its own substance rather than dressing it up in theatrical language is what I look for online and rarely actually find these days.
Now feeling mildly impressed in a way I do not quite remember feeling about a blog in a while, and a stop at queenmshop extended that mild impression, content that produces specific positive emotional responses rather than just neutral information transfer is content with extra dimensions and this site has those extra dimensions clearly.
Genuine reaction is that I will probably think about this on and off for a few days, and a look at potterlily added fuel to that, the best content lingers in your head after you close the tab rather than evaporating immediately and this site clearly knows how to write that kind of memorable content.
Big thanks to whoever wrote this, you saved me a lot of time hunting for the same info on other sites, and a stop at cartzaro only added more useful detail without going off topic, that kind of focus is honestly hard to come across these days when most posts wander everywhere.
Following a few of the internal links revealed more posts of similar quality, and a stop at ebonkoala added more to that growing pile, sites where internal links lead to more good content rather than to more of the same recycled material are sites with depth and this one has clearly built that depth carefully.
Just want to say thank you for putting this together, posts like these make searching online actually worth it sometimes, and a quick look at pianoloud kept that going, useful and easy to read without any of the tricks that ruin most blog comment sections lately on the wider open web.
During a reading session that included several other sources this one stood out, and a look at contemporarygoodsmarket continued the standout quality, the side by side comparison of sources during research is a useful exercise and this site has been winning those comparisons for me consistently across multiple research sessions during the last week.
Now considering carefully how to share this site with the right audience rather than broadcasting widely, and a look at curvecatch extended that careful sharing impulse, content worth sharing carefully rather than spamming is content that has earned a higher kind of recommendation and this site has earned that careful shareability throughout pieces.
Without comparing too aggressively to other sources this one stands out for the right reasons, and a look at padreorchid continued that distinctive quality, content that distinguishes itself through substance rather than style tricks is content with lasting differentiation and this site has clearly chosen substance based differentiation as its core editorial strategy.
Looking through the archives suggests this site has been doing this for a while at this level, and a look at minimmoss confirmed the long term consistency, sites that have maintained quality across years rather than just a recent stretch are sites with serious editorial discipline and this one has clearly been at it for a while.
Liked that the post acknowledged complications rather than pretending they did not exist, and a stop at trendlyo continued that honest framing, sites that handle complexity with care rather than papering it over with simplifying claims are doing real intellectual work and this one is clearly in that category based on what I have read.
After reading several posts back to back the consistent voice across them is impressive, and a stop at purplemilk continued that voice consistency, sites that maintain a single coherent voice across many pieces by potentially many writers represent serious editorial discipline and this one has clearly developed the institutional consistency needed for that.
Took longer than expected to finish because I kept stopping to think, and a stop at xomvani did the same to me, content that provokes thought rather than just delivering information is in a different category and the team here is clearly working at that higher level rather than just cranking out posts.
Took longer than expected to finish because I kept stopping to think, and a stop at modluma did the same to me, content that provokes thought rather than just delivering information is in a different category and the team here is clearly working at that higher level rather than just cranking out posts.
Now appreciating that the post did not require me to agree with the writer to find it valuable and a look at narrowmotor maintained the same useful regardless of agreement quality content that informs even when it does not convince is content with broader utility and this site reads as useful even when I disagree.
Reading the writers other posts after this one suggests the quality is consistent rather than peak, and a stop at cadetarenas confirmed the consistent quality reading, sites that hold the same level across many pieces rather than peaking on a few are sites with sustainable editorial discipline and this one has clearly developed that.
Felt the writer was speaking my language without trying to imitate it, and a look at nylonmoss continued that natural fit, when a writers default voice happens to match what you find easy to read the experience feels frictionless and that is something I notice and remember about specific sites going forward.
Came across this looking for something else entirely and ended up reading it through twice, and a look at stylevilo pulled me deeper into the site than I planned, the writing has a way of holding attention without resorting to manipulative cliffhangers or vague promises that never get delivered later down the page.
Came in for one specific question and got answers to three I had not even thought to ask, and a look at frescoheron extended that bonus value pattern, the kind of resource that anticipates reader needs rather than just answering the literal question asked is the gold standard and this site reaches it.
Top notch writing every paragraph carries weight and nothing feels like filler and a stop at keenfern reflected that same care a rare thing on the open web these days where most pages exist for clicks rather than actual reader value or anything close to that which is honestly a real shame.
Skipped breakfast still reading this and finished hungry but satisfied, and a stop at mavlumo kept me past breakfast time, content that displaces basic biological needs is content with serious attentional pull and the writers here are clearly capable of producing that level of engagement which is genuinely impressive these days.
Honestly the simplicity is what makes this work, the topic is not buried under filler words or overly complex examples, and a quick look at lushpassion showed the same sensible style, I left with what I came for and no headache from over reading which is a real win these days.
Started a draft response in my head and ended without publishing it because the post said it well enough, and a look at prairiemyrrh produced the same effect, content that satisfies my urge to add to it by being complete enough on its own is rare and represents a particular kind of editorial completeness here.
Quality you can feel from the first paragraph, the writer clearly knows the topic and how to share it, and a quick look at maplecresttradingcorner confirmed the same depth runs throughout the rest of the site as well which is rare and worth pointing out when it happens online for any reader passing through.
Bookmark earned and the bookmark feels like a permanent addition rather than a maybe, and a look at dealdeck confirmed that permanent status, the difference between durable bookmarks and ephemeral ones is something I have learned to feel quickly and this site triggered the durable feeling almost immediately during my first read here.
Found something new in here that I had not seen explained this way before, and a quick stop at n3rdmarket expanded the idea even further, the kind of writing that nudges your thinking forward a bit without forcing the issue is exactly what I look for online today and rarely actually find anywhere.
A piece that read as the work of someone who reads carefully themselves, and a look at palminlet continued that informed feel, writers who are also serious readers produce work with a different quality and this site reads as the product of someone steeped in good writing rather than just generating content for an audience.
Now feeling slightly more committed to my own careful reading practices having read this, and a stop at pillowmanor reinforced that commitment, content that models the kind of attention it deserves is content that calibrates the reader and this site has clearly raised my own bar for what to bring to good writing today.
Now adding the homepage to my regular check rotation rather than waiting for individual links to find me, and a stop at vanlizo confirmed the rotation upgrade, the move from passive discovery to active checking is a vote of confidence in a sites ongoing quality and this site has earned that active engagement clearly.
Glad the writer kept this short rather than padding it out, the points stand on their own without needing extra context, and a look at thoughtfullydesignedstore kept the same approach going, brevity is a sign of confidence in the substance and the team here clearly trusts their content to land without filler.
Approaching this site through a casual link click and being surprised by what I found, and a look at dabbyrd extended the surprise, the rare experience of stumbling into excellent independent content rather than predictable mediocrity is one of the actual remaining pleasures of casual web browsing and this site provided it cleanly.
Anyone curious about this topic would do well to start here, the foundation laid is solid, and a stop at pagodamatrix would round out their understanding nicely, this is the kind of resource I would point a friend toward without hesitation if they asked me where to begin learning about anything in this area.
Reading this triggered a small change in how I think about the topic going forward, and a stop at trendmixo reinforced that subtle shift, the rare content that actually moves my thinking rather than just confirming or filling it is the kind I most value and this site is providing that kind of impact today.
A clear cut above the usual noise on the subject, and a look at purpleorbit only made that gap wider in my view, the kind of place that earns its visitors through quality rather than through aggressive marketing or sponsored placements which is increasingly the only way most sites stay afloat across the modern web.
Now noticing how rare it is to find a site that does not feel rushed, and a look at minimparch extended that calm pace, content produced without time pressure has a different quality than content shipped to meet a deadline and this site reads as written without urgency which produces a different and better experience for readers.
Worth marking the moment when reading this clicked into something useful for my own work and a look at nationmagma extended that practical click content that connects to my actual life rather than just being interesting is content with the highest kind of value and this site is generating that connection at a high rate.
During my morning reading slot this fit perfectly into the routine, and a look at nexcove extended that perfect fit into the rest of the routine, content that matches the rhythm of how I actually read rather than demanding accommodation from my schedule is content well calibrated to its likely audience and this site has it.
Reading this in a quiet hour and finding it suited the quiet, and a stop at xovmora extended the quiet reading mood, content that matches its own optimal reading conditions rather than fighting them is content that has been thoughtfully calibrated and this site reads as having a particular reading mood in mind throughout.
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Skipped lunch to finish reading, which says something, and a stop at qivlumo kept me at my desk longer than planned, when content beats the lunch impulse the writer has done something genuinely impressive in an attention environment full of immediately satisfying alternatives competing for the same finite block of reader time.
Picked up a couple of new ideas here that I can actually try out, and after my visit to nylonplain I have even more notes saved, this is the kind of resource that pays you back for the time you spend on it which is rare to come across in this corner of the web.
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Glad I gave this fifteen minutes rather than the usual three minute skim, and a look at mavnero earned the same investment, time spent on quality content is rarely wasted but the reverse is also true and learning which sites deserve which kind of attention is part of being a careful online reader.
Anyone curious about this topic would do well to start here, the foundation laid is solid, and a stop at presslatte would round out their understanding nicely, this is the kind of resource I would point a friend toward without hesitation if they asked me where to begin learning about anything in this area.
Now recognising that this site has earned a place in the small group of resources I treat as authoritative, and a stop at designledmarketplace confirmed that placement, the difference between resources I trust and resources I just consume is real and this site has clearly moved into the trusted category through consistent quality over time.
If I were grading sites on this topic this one would receive high marks, and a stop at dealenzo continued earning those high marks, the informal grading I do mentally for content sources is something I take seriously even though it is informal and this site has been receiving consistent high marks across multiple sessions today.
Felt this in a way I cannot quite explain, the topic just hit different here, and a stop at pillownebula continued in that vein, sometimes you find a site whose perspective lines up with how you have been thinking and reading their work feels like a small relief which I appreciated more than I expected.
A small thing but the line spacing and font choices made reading this physically pleasant, and a look at stylezaro maintained the same careful design, technical choices about typography are part of what makes online reading actually comfortable and this site has clearly invested in the design layer alongside the content layer carefully.