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:
Bookmark earned, share earned, return visit earned, all from one reading session, and a look at nolix did the same, the trifecta of bookmark and share and return is rare in a single visit and represents the highest level of engagement I tend to offer any piece of online content these days here.
Glad I clicked through from where I did because this turned out to be worth the time spent, and after quvexashop 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.
A piece that did not waste any of its substance on sales or promotion, and a look at banehmagic continued that pure content focus, sites that resist the urge to monetise every paragraph are increasingly rare and this one has clearly made the editorial choice to keep the writing clean from commercial intrusion which I value highly.
Even on a quick first read the substance of the post comes through and a look at secureecommercebuying reinforced that immediate quality content that does not require a slow careful read to demonstrate value but rewards one anyway is content with real depth and this site has produced work of that demanding depth class.
Honestly this hits the sweet spot between detail and brevity, no rambling and no shortcuts, and a quick visit to globalbusinessalliances kept that going across the related pages, the kind of place that respects your attention without trying to grab it through cheap tactics or attention seeking design choices that get tired fast.
Reading this triggered a small but real correction in something I had assumed, and a stop at astrobrunch extended that corrective effect, content that updates my beliefs through evidence rather than rhetoric is content with intellectual integrity and this site has earned that label consistently across the pieces I have read so far today.
Different in a good way from the cookie cutter content that fills most blogs covering this area and a stop at pelvo kept showing me why original thoughtful writing exists if you know where to look and this site has earned a place on my short list of those rare exceptions worth defending.
Better than the average post on this subject by some distance, and a look at professionalcollaborationbonds reinforced that, you can tell within the first paragraph that the writer here actually cares about the topic rather than just covering it for the sake of having something to publish that week or that day.
Worth pointing out that the post avoided the temptation to summarise everything at the end, and a look at xelivohub continued that confident closing approach, content that trusts readers to retain the substance without being reminded of it at the end is content that respects the reader and this site practices that respect.
Glad the writer did not feel compelled to cover every possible angle of the topic, focus is a virtue, and a stop at freespeechcolation reflected the same disciplined scope, knowing what to leave out is half of what makes good writing good and this post has clearly been edited with that principle in mind.
Walked away with a clearer head than I had before reading this, and a quick visit to maverounity only sharpened that, the writing has a way of cutting through the noise that surrounds most topics online which is something I will definitely remember the next time I am searching for an answer to anything.
Honestly enjoyed every minute spent here, that is not something I say lightly, and a look at smartconsumerbuyingzone confirmed I will be back, the bar for spending time online is high for me these days but this site clears it without effort which is high praise indeed from this reader who is usually rather demanding.
Felt mildly happier after reading, which sounds silly but is true, and a look at zorivoholdings extended that small mood lift, content that improves rather than degrades my mental state is content I want more of and the cumulative effect of reading sites that lift versus sites that drag is real over time.
Probably this is one of the better quiet successes on the open web at the moment, and a look at xelivounion reinforced that quiet success quality, sites that are doing well without making a noise about doing well are the sites I most respect and this one has clearly chosen the quiet success path consistently throughout.
Reading this between meetings turned out to be the most useful thing I did all afternoon, and a stop at nexra kept that productivity feeling going, content can sometimes outperform actual work in terms of what gets accomplished mentally and this site managed that today which is genuinely a high bar to clear consistently.
Yesterday I was complaining about the state of online writing and today this site has temporarily fixed that complaint, and a look at trusteddealmarketplace extended that mood reversal, the short term mood improvement that comes from finding good content is real and this site has produced that improvement for me at a useful moment.
Quietly enthusiastic about this site after the past few hours of reading, and a stop at suffragefilmfestival extended that enthusiasm, the calibration of enthusiasm to evidence is something I try to maintain and this site has earned a calibrated quiet enthusiasm rather than the loud excitement that usually fades within a day or two of finding something.
Now realising this site has been quietly doing good work for longer than I knew, and a look at zylvo suggested an archive worth exploring, sites with deep archives of consistent quality represent a different kind of resource than sites with viral hits and this one looks like the durable kind based on what I see.
Decided not to skim despite my usual habit and was rewarded for the discipline, and a stop at maverocapital 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.
Quietly enthusiastic about this site after the past few hours of reading, and a stop at velra extended that enthusiasm, the calibration of enthusiasm to evidence is something I try to maintain and this site has earned a calibrated quiet enthusiasm rather than the loud excitement that usually fades within a day or two of finding something.
Honestly impressed, did not expect to find this level of care on the topic, and a stop at plavexpath cemented the impression, you can tell within the first few paragraphs whether a site is going to be worth the time and this one delivered on that early promise nicely throughout the rest of what I read.
Skipped the social share buttons but might come back to actually use one later, and a stop at qorivopath extended that share urge, content that triggers genuine sharing impulses rather than performative ones is content that has actually moved me and not many posts in a typical week do that for me actually.
A piece that did not waste any of its substance on sales or promotion, and a look at plavexshop continued that pure content focus, sites that resist the urge to monetise every paragraph are increasingly rare and this one has clearly made the editorial choice to keep the writing clean from commercial intrusion which I value highly.
Just want to record that this site is entering my regular reading list, and a look at korivomart 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.
Took the time to read the comments on this post too and they were also worth reading, and a stop at learnbusinessskillsonline suggested the community quality matches the content quality, when the conversation around a piece is as good as the piece itself you know you have found a real corner of the internet.
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If I were grading sites on this topic this one would receive high marks, and a stop at quvexoria 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.
Now feeling that this site is the kind I want to make sure does not disappear and a look at rixon reinforced that quiet protective feeling the rare sites whose disappearance would actually matter to me are the sites I want to support through return visits and recommendations and this one has joined that small protected list.
Came across this and immediately thought of a friend who would enjoy it, and a stop at rosetemplates 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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Really grateful for content like this it does not waste my time and it does not insult my intelligence either and a quick look at businessunityplatform was the same balanced respectful writing that makes a person feel welcome rather than rushed through pages of forced engagement just to keep clicking around.
A small thing but the line spacing and font choices made reading this physically pleasant, and a look at hanacapecoral 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.
Reading this felt easy in the best way, no friction and no confusion at any point, and a stop at nextgenerationbuying carried that same comfort across more pages, the kind of editorial flow that lets you absorb information without fighting the format which is increasingly hard to find on the open web today across topics.
Found the writing surprisingly fresh for what is by now a well covered topic, and a stop at nixaromarket kept that freshness going across the related pages, original perspective on familiar ground is hard to come by and this site has clearly earned its place in the conversation rather than just rehashing old ideas.
Now sitting back and recognising that this was a small but real win in my reading day, and a stop at flexibleshoppingoutlet extended that quiet win, the cumulative effect of small reading wins versus the cumulative effect of small reading losses is real over time and this site is contributing to the wins side of that ledger.
Reading this on a phone at a coffee shop and finding it perfectly suited to that context, and a stop at auralbrick continued the comfortable mobile experience, content that works across reading conditions without compromising on substance is increasingly important and this site has clearly thought about the whole reader experience here.
Reading this triggered a small but real correction in something I had assumed, and a stop at qelarotrustline extended that corrective effect, content that updates my beliefs through evidence rather than rhetoric is content with intellectual integrity and this site has earned that label consistently across the pieces I have read so far today.
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Now thinking about how this post will age over the coming years, and a stop at pandemoniumtheshow suggested the same durability, content built to age well rather than to capture the attention of the moment is content with a different kind of value and this site has clearly chosen the long horizon over the short one.
Approaching this site through a casual link click and being surprised by what I found, and a look at morvex 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.
If a friend asked me where to read carefully on the topic I would send them here without hesitation, and a look at navirotrustee confirmed the recommendation strength, the directness of my recommendation reflects how confident I am in the quality and this site has earned undiluted recommendations from me across multiple recent conversations actually.
Clean writing, easy to read, and never tries too hard to impress, that combination is harder to find than people think, and after my time on zorivocapital I am sure this site treats its readers well, no flashy tricks just useful content done right which is honestly all I want online.
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Bookmark added in three places to make sure I do not lose the link, and a look at plixo got the same redundant treatment, sites I am afraid to lose are the rare keepers and this is clearly one of them based on what I have read so far across this and a couple of related posts.
Quietly enthusiastic about this site after the past few hours of reading, and a stop at velixoholding extended that enthusiasm, the calibration of enthusiasm to evidence is something I try to maintain and this site has earned a calibrated quiet enthusiasm rather than the loud excitement that usually fades within a day or two of finding something.
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Recommend this to anyone who values clear thinking over flashy presentation, and a stop at orvix continued in the same understated way, this site has its priorities in the right place which makes it worth supporting through repeat visits and recommendations rather than just one passing read today before moving on quickly elsewhere.