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:
Going to share this with a friend who has been asking the same questions for a while now, and a stop at macropipe added a few more pages I will pass along too, this is the kind of generous information that earns a small thank you from me right now and again later this week.
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A quiet piece that did not try to compete on volume, and a look at simplefashionmarket maintained that selective approach, sites that publish less but better are increasingly rare in an environment that rewards volume and this one has clearly chosen quality cadence over quantity which is a brave editorial decision in current conditions.
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Looking through the archives suggests this site has been doing this for a while at this level, and a look at smartpickcorner 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.
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Reading this prompted me to dig out an old reference book related to the topic and a stop at mysticbaystore extended that connection to other sources content that connects me back to my own existing knowledge rather than asking me to forget it is content with continuity and this site has that continuous quality.
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Easily one of the better explanations I have read on the topic, and a stop at urbanridgecollective pushed it even higher in my mental ranking of useful resources, the kind of site that beats the average not by trying harder but by simply caring more about what it puts out daily which always shows.
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Glad I clicked through from where I did because this turned out to be worth the time spent, and after octamesh I had a fuller picture, the kind of content that earns its visitors through delivering value rather than chasing them through aggressive advertising or constant pop ups appearing everywhere on the screen lately.
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A piece that earned its conclusions through the body rather than asserting them at the end, and a look at zestwin maintained the same earned quality, conclusions that follow from what came before are more persuasive than declarations and this site has clearly internalised that principle in how it constructs arguments throughout pieces.
I really like how the writer keeps the tone friendly without sounding fake or overly polished, and after a stop at duskharborstore the same calm pace was there, no rushing to make a point and no padding either, just clean honest writing that I can respect and come back to later again.
Decided to read this site for a while before forming a verdict, and the verdict after several pages is positive, and a stop at fizzwave continued that pattern, judging a site requires more than one post and giving sites a fair sample is something I try to do for promising candidates rather than rushing to dismiss.
Glad I gave this fifteen minutes rather than the usual three minute skim, and a look at premiumdealzone 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.
Genuine reaction is that this site clicked with how I like to read, and a look at cloudpetalmarket kept that comfortable fit going, sometimes you find a place online whose editorial decisions just align with your preferences and when that happens it is worth recognising and supporting through repeat engagement consistently going forward.
Quietly building a case in my head for why this site deserves more attention than it currently seems to receive and a look at trustparcel reinforced the case the gap between quality and recognition is a recurring frustration in independent online content and this site is one of the cases that seems particularly egregious to me today.
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Now noticing that the post avoided the temptation to be funny in places where humour would have undermined the substance, and a stop at shopwithjoy maintained the same restraint, knowing when to be serious is a rare editorial virtue and this site has clearly developed it through what I assume is careful editorial practice over years.
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Just want to record that this site is entering my regular reading list, and a look at oakwhisperstore confirmed it deserves the spot, my regular reading list is short and well curated and adding to it requires meeting a fairly high quality bar that this site has clearly cleared without much effort apparently.
Generally my attention drifts on long posts but this one held it through the end, and a stop at findyourstylehub earned the same sustained focus, content that defeats my drift tendency is content with substantive pulling power and this site has demonstrated that pulling power across multiple pieces in a session that has now run quite long actually.
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Reading this gave me a small jolt of recognition for an experience I thought was just mine, and a stop at octasign produced more such jolts, content that universalises private experiences without flattening them is doing genuinely useful work and this site is providing that recognition function for me reliably across topics I read.
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Reading this triggered a small change in how I think about the topic going forward, and a stop at smarttrendarena 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.
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Came across this and immediately thought of a friend who would enjoy it, and a stop at sprydash also reminded me of someone, content that triggers the urge to share is content that has earned my recommendation and this site has earned multiple from me already across different conversations during the week.
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Left me wanting to read more rather than feeling burned out, that is a good sign, and a look at velvetcovegoods confirmed there is plenty more here to explore, the kind of writing that builds appetite rather than killing it which is a rare quality on the modern open internet today across most categories of content.
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Now adding the homepage to my regular check rotation rather than waiting for individual links to find me, and a stop at simplegiftfinder 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.