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:
Now considering whether the post would translate well into a different form, and a look at pearlpocket suggested similar versatility, content that could move into other media without losing its substance is content that has been built around ideas rather than around format and this site reads as idea first throughout posts.
Now thinking I want more sites built on this kind of editorial foundation, and a stop at freshtrendstation extended that wish into a broader hope, sites built on substance and care rather than on metrics and growth are the kind of sites I want to see more of and this one is a small example worth supporting.
Most attempts at writing on this topic feel like they are missing something and this post finally identified what was missing, and a look at sunmeadowstore extended that diagnostic clarity, content that names what is wrong with adjacent treatments while doing better itself is content with both critical and constructive value and this site has both.
Now organising my browser bookmarks to give this site easier access, and a look at crystalfernstore earned the same organisational priority, the small acts of digital housekeeping I do for sites I expect to use often are themselves a measure of trust and this site has triggered the trust based housekeeping behaviour from me clearly.
A handful of memorable phrases from this one I will probably use later and a look at growthcart added a couple more content that contributes language to my own communication rather than just facts is content with a different kind of utility and this site is providing that linguistic utility consistently across what I read.
Thanks for not padding this with the usual filler intros and outros that every other blog seems to require, and a quick visit to vexsync continued that lean approach across more posts, content stripped of waste is content that respects you and I will always come back to that kind of approach.
Now understanding why someone recommended this site to me a while back, and a stop at perfectbuycorner explained the recommendation, sometimes recommendations make sense only after experience and this site has finally clicked into place as the kind of resource I now understand was being recommended for sound editorial reasons by my friend.
Reading this on a phone at a coffee shop and finding it perfectly suited to that context, and a stop at futuregoodszone 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.
A small editorial detail caught my attention, the way headings related to body text, and a look at ironpetalworks maintained that careful relationship, structural details like that show up to readers who notice them and the writers here have clearly thought about every level of the piece rather than just the words.
Picked up several practical tips that I plan to try out this week, and a look at kilobase added a few more I will be testing alongside, content with practical hooks that connect to my actual life is the kind that earns my repeat attention rather than the merely interesting that I forget within a day.
Worth flagging that this approach to the topic is fresh without being contrarian, and a stop at decdart extended the same fresh angle, finding original perspective on familiar subjects is rare and this site has clearly developed its own way of seeing rather than echoing the dominant takes from elsewhere consistently.
Decided to write a short note to the author if there is contact info anywhere, and a stop at amberflux extended that intention, the urge to thank the writer directly is a strong signal of content quality and this site has triggered that urge in me today which is a fairly rare event for my reading.
Now realising the post has been quietly doing important work in my mind for the past hour, and a stop at velvetpeakgoods extended that quiet processing, content that continues to do work after I close the tab is content with afterlife in the mind and this site is producing those long lived effects at a meaningful rate.
Reading this prompted me to clean up some old notes related to the topic, and a stop at purepost extended that organising urge, content that triggers personal organisation rather than just consuming attention is content with motivating energy and this site has the kind of clarity that prompts active follow up rather than passive consumption.
A piece that was confident enough to leave some questions open rather than forcing closure, and a look at flairpack continued that intellectual honesty, content that admits the limits of its scope is more trustworthy than content that pretends to total understanding and this site has the right calibration on certainty consistently.
Considered as a whole this site has developed a coherent point of view that comes through in individual pieces, and a look at macromountain continued displaying that coherence, sites with a unified perspective rather than a grab bag of takes are sites with editorial maturity and this one has clearly developed that maturity through years of work.
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Honestly the simplicity of the explanation made the topic click for me in a way other writeups had not, and a look at ohmgrid continued that clarity into related areas, when a writer gets the level of explanation right the reader does the heavy lifting themselves and the post just enables it.
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A small editorial detail caught my attention, the way headings related to body text, and a look at sunpetalmarket maintained that careful relationship, structural details like that show up to readers who notice them and the writers here have clearly thought about every level of the piece rather than just the words.
Now feeling mildly impressed in a way I do not quite remember feeling about a blog in a while and a stop at magicshelf 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.
Greetings from Florida! I’m bored to death at work so I decided to browse your blog on my iphone during lunch break. I really like the information you provide here and can’t wait to take a look when I get home. I’m surprised at how fast your blog loaded on my mobile .. I’m not even using WIFI, just 3G .. Anyways, wonderful blog!
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Honestly the simplicity of the explanation made the topic click for me in a way other writeups had not, and a look at futurebuyarena continued that clarity into related areas, when a writer gets the level of explanation right the reader does the heavy lifting themselves and the post just enables it.
Glad to have another reliable bookmark for this topic, and a look at crystalfieldstore suggested several more pages I will be marking too, building a personal library of trustworthy resources is one of the actual rewards of careful browsing and this site is earning a place on my permanent shortlist for the topic.
If you scroll past this site without looking carefully you will miss something, and a stop at globalgoodsarena extended that mild warning, the surface of the site does not advertise its quality loudly which means careful attention is required to recognise what is being offered here which is itself a kind of editorial signal.
Reading this post made me realise I had been settling for lower quality elsewhere, and a look at vividloft extended that recalibration, content that exposes how much I had been accepting in adjacent sources is content with calibrating effect on my standards and this site is performing that calibration function across topics for me reliably.
Beyond the topic at hand this site reads as a small ongoing project of taking writing seriously, and a look at kilocore reinforced that project quality, sites that treat publishing as an ongoing serious practice rather than as content production for traffic are sites worth supporting and this one has clearly chosen the serious approach.
Honestly this was the highlight of my reading queue today, and a look at axisflag 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.
A piece that read smoothly because the writer understood how readers actually move through prose, and a look at declume maintained the same reader awareness, writers who think about the reading experience as much as the writing experience produce better work and this site has clearly made that shift in editorial approach.
Started forming counter examples to test the claims and the post handled most of them implicitly, and a look at globalgoodszone continued that anticipatory style, writers who think two steps ahead of the critical reader save themselves from a lot of follow up work and this writer has clearly internalised that habit consistently.
Reading this on a slow Sunday and finding it perfectly suited to a slow Sunday read, and a quick stop at riverset kept the same gentle pace, content that fits the mood of the moment is something I notice and remember and this site has the kind of pace that suits relaxed reading sessions especially well.
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Really nice to see things explained without overcomplicating the topic, the words flow naturally and stay easy to follow, and a short visit to amberlume only added to that experience because the same simple approach is used across the rest of the page too without any change in tone.
Recommended without reservation for anyone interested in the topic at any level of expertise, and a look at flashport only strengthens that recommendation, this site clearly knows how to serve readers across a range of backgrounds without watering down the content or talking past anyone in the audience which is genuinely impressive to see.
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Liked how the post handled an objection I was forming as I read, and a stop at velvetpetalstore similarly anticipated where my thinking was going next, the rare writer who can predict reader concerns and address them in advance is doing something most online content fails to do despite that being basic editorial work.
Looking forward to seeing what gets published next month, and a look at mystichorizonstore extended that anticipation across the broader site, finding myself looking forward to a sites future content rather than just consuming its existing content is a stronger commitment level than I usually reach with new finds and this site triggered that.
Reading this site over the past week has changed how I evaluate content in this space and a look at pixelharvest extended that recalibration the standards I bring to reading on the topic have shifted upward as a direct result of regular exposure to this kind of work and that shift will outlast any single reading session.
Now setting up a small reminder to revisit the site on a slow day, and a stop at sunpetalstore confirmed the reminder was a good idea, planning return visits is a small organisational act that signals trust in ongoing quality and this site has earned that planned return through consistent performance across the pieces I have read so far.
Picked this up while looking for something else and ended up reading every paragraph because it was actually informative, and after silkjump I was sure I would come back, that does not happen often when most sites bury the useful parts under endless ads and pop ups today and across most categories online.
Decided I would read the archives over the weekend and a stop at frostpinecollective confirmed that the archives would be worth the time very few sites have archives I would actively read through but this one has earned that level of interest based on the consistent quality across what I have sampled so far.
Got something practical out of this that I can apply later this week, and a stop at crystalharborgoods added more details to think about, this is exactly the kind of content I bookmark for future reference rather than the throwaway listicles that dominate most search results these days for almost any common topic.
Now adding the homepage to my regular check rotation rather than waiting for individual links to find me, and a stop at royaltrendcorner 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.
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Now setting up a small reminder to revisit the site on a slow day, and a stop at kilobolt confirmed the reminder was a good idea, planning return visits is a small organisational act that signals trust in ongoing quality and this site has earned that planned return through consistent performance across the pieces I have read so far.
My friends would appreciate a few of these posts and I will be sending links accordingly, and a look at voltcard added more pages to my share queue, content that earns shares to specific people in specific contexts is content with social utility and this site is generating those targeted shares from me consistently lately.
Thanks for not padding this with the usual filler intros and outros that every other blog seems to require, and a quick visit to premiumbuyarena continued that lean approach across more posts, content stripped of waste is content that respects you and I will always come back to that kind of approach.
Recommended without reservation for anyone interested in the topic at any level of expertise, and a look at kiloorbit only strengthens that recommendation, this site clearly knows how to serve readers across a range of backgrounds without watering down the content or talking past anyone in the audience which is genuinely impressive to see.