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:
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Considered against the flood of similar content this one stands apart in important ways, and a stop at ibekeg extended that distinctive feel, sites that find their own corner of a crowded topic and stay there are sites worth following and this one has clearly carved out its own space and committed to defending it carefully.
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Now realising the post solved a small problem I had been carrying for weeks, and a look at starchserene extended that problem solving function, content that connects to specific unresolved questions in my own life rather than just providing general interest is content with real practical impact and this site is providing that practical value.
Thanks for the honest framing without exaggerated claims that the topic will change my life, and a stop at lunarharvestgoods kept the same modest tone, restraint in marketing language signals trustworthiness and the writers here are clearly playing the long game by building credibility rather than chasing immediate clicks through hyperbole.
Well done, the writing is professional without being stiff, and the topic is treated with care, and a look at tasseltract reflected that approach, the kind of site I would point a colleague to if they asked for a reliable starting point on this topic in the future without any hesitation at all.
Speaking as someone who used to recommend blogs frequently and got out of the habit this site is rekindling that impulse, and a look at vocabtrifle extended the rekindling, the recovery of an old habit triggered by encountering work that justifies it is itself a small kind of pleasure and this site is providing that recovery experience.
Now feeling the post has earned a proper recommendation rather than a casual mention, and a stop at tasseltrace reinforced the recommendation strength, the difference between mentioning and recommending is a small editorial distinction I observe in my own conversations and this site has earned the upgraded recommendation level from me confidently today.
Well structured and easy to read, that combination is rarer than people think, and a stop at sheentabby confirmed the same standard runs across the rest of the site, definitely the kind of place I will be coming back to when this topic comes up in conversation later again over the weeks ahead.
Felt slightly impressed without being able to point to one specific reason, and a look at vividbolt continued that diffuse positive feeling, when content works at a level you cannot easily articulate the writer is doing something with craft rather than just delivering information and that is something I have learned to recognise.
Solid little post, the kind that does not need to be flashy because the substance is doing the work, and a look at sharesignal kept that quiet confidence going across the site, this is what writing looks like when the writer trusts the content to land on its own without theatrics or unnecessary attention seeking behaviour.
Worth saying that the quiet confidence of the writing is what landed first, and a look at glyjay continued that quiet quality, confident writing without the loud display of confidence is a rare combination and this site has clearly developed both the knowledge and the editorial restraint to land that combination consistently.
Liked the natural conversational tone throughout, never stiff and never overly casual either, and a stop at jamkeg kept that comfortable middle ground going, finding a tone that respects the reader without becoming distant or overly familiar is harder than it sounds and this site nails that balance consistently across many different pieces.
Easily one of the better explanations I have read on the topic, and a stop at sectorsatin 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.
Honestly this was the highlight of my reading queue today, and a look at turbineunion extended that across more pages I will return to, ranking what I read against what else I read each day is something I do informally and this site keeps moving up in those rankings the more I explore it.
Felt the post handled a sensitive angle of the topic with appropriate care, and a look at lyxboss extended that careful handling across related material, sites that can navigate delicate territory without causing damage are rare and require a level of judgement that comes from experience rather than from following any clear playbook.
Good clean post, no errors and no awkward phrasing that breaks the reading flow, and a stop at discovernextlevelideas kept the same standard, definitely the kind of editorial care that earns a return visit because it tells me the writer is paying attention to details that matter to readers rather than just rushing publication.
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Reading this in segments because the day was busy, and the post survived the fragmented attention well, and a stop at hubbeat held up similarly under interrupted reading, content that can withstand modern distracted reading patterns rather than requiring a perfect block of focused time is increasingly the kind I prefer.
A piece that did not require external context to follow, and a look at irotix maintained the same self contained quality, content that stands alone without forcing readers to chase prerequisites is more accessible and this site has clearly thought about how each piece can serve a fresh visitor rather than only existing members.
Reading this prompted me to subscribe to my first newsletter in months, and a stop at icabran confirmed the subscribe was the right call, content that earns a newsletter signup is content that has cleared a higher trust bar than a casual visit and this site has clearly earned that level of commitment from me.
Skipped the related links section thinking I had read enough and then came back to it later when curiosity got the better of me, and a stop at tritile confirmed I should have just read it first, every section of this site appears to deserve careful attention rather than skipping past lazily.
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Useful information presented in a way that does not feel like a sales pitch, that is what I appreciated most, and a stop at thrushstoic was the same, no upsell and no fake urgency just steady content laid out properly for someone trying to actually learn from it rather than just be sold to.
Now setting this aside as a model of how to write thoughtfully on the topic, and a stop at gorgefair extended that model status, content that becomes a reference for how a kind of writing should be done is content with influence beyond its own readership and this site is reaching that level for me clearly today.
Solid value for anyone willing to read carefully, and a look at jekcar extends that value across the rest of the site, this is the kind of place that rewards return visits rather than offering everything in a single splashy post and then leaving readers nothing to come back for later which is unfortunately common.
Reading this in a moment of low energy still kept my attention, and a stop at hazmug continued that engagement under suboptimal conditions, content that survives the reader being tired is content with extra reserves of pull and this site has the kind of writing that holds up even when I am not at my reading best.
My usual pattern is to skim and bounce but this site has reset that pattern temporarily and a stop at udonvivid maintained the slower reading mode content that changes how I read is content with structural influence and this site has clearly nudged my reading behaviour toward something better at least for the duration of these visits.
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Once I trust a site this much I tend to read everything they publish and that is the trajectory I am on with this one, and a stop at learncreategrow confirmed the trajectory, the rare progression from interested reader to comprehensive reader is something only certain sites earn and this one is earning that progression rapidly.
Now noticing the careful balance the post struck between confidence and humility, and a stop at toucanvamp maintained the same balance, finding the line between asserting and admitting is hard and this site has clearly developed the calibration to walk that line consistently which produces a more persuasive reading experience for me.
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Now appreciating that the post did not require external context to follow, and a look at explorevaluecreation maintained the same self contained quality, content that respects new visitors by being readable without prerequisites is content with broader accessibility and this site has clearly invested in keeping each piece reader friendly for fresh arrivals.
Nice and clean, that is the best way to describe the writing here, no clutter and no wasted words, and a quick visit to tractsmoke kept that going, I appreciate when a site treats its readers like people who can think for themselves without needing constant hand holding through every paragraph.
Now setting this aside as a model of how to write thoughtfully on the topic, and a stop at vikingturban extended that model status, content that becomes a reference for how a kind of writing should be done is content with influence beyond its own readership and this site is reaching that level for me clearly today.
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Really appreciate the absence of stock photos that have nothing to do with the content, and a quick visit to vortextrance maintained the same restraint, visual filler is a tell that the writing cannot stand on its own and the lack of it here suggests the team has confidence in their content quality alone.
Appreciate the work that went into laying this out so clearly, every section earns its place without filler, and a look at versasandal confirmed the same care, definitely the kind of place that deserves a return visit when the topic comes up again later in the future or for any related question.
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Following the post through to the end without my attention drifting once, and a look at goaxio earned the same uninterrupted attention, content that holds attention without manipulating it is content with substantive pull and this site has demonstrated that substantive pull across multiple pieces in a single reading session reliably here today.
Appreciate that you did not pad this with fluff to hit a word count, the post says what it needs to say and stops, and a look at shoretunic did the same, brevity here feels intentional not lazy which is a distinction many writers miss completely sometimes when they are working under deadlines.
Liked that the post acknowledged complications rather than pretending they did not exist and a stop at nudgelustre 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.
Decided not to skim despite my usual habit and was rewarded for the discipline, and a stop at smeltstraw earned the same patient approach, training myself to recognise sites that warrant slower reading is part of being a careful online reader and this site is the kind that helps me practice that skill regularly.
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Worth saying that the quiet confidence of the writing is what landed first, and a look at buildlongtermgrowth continued that quiet quality, confident writing without the loud display of confidence is a rare combination and this site has clearly developed both the knowledge and the editorial restraint to land that combination consistently.
Picked this post to share in a Slack channel where I knew it would be appreciated, and a look at lyxboss suggested I will share more from here later, content worth sharing into a professional context is content that has earned a higher kind of trust than mere personal interest and this site has it.