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:
Reading this gave me a small sense of progress on a topic I have been slowly working through, and a stop at hoxaero added another step forward, learning happens in small increments across many sources and finding sources that consistently contribute is the actual practical value of careful curation in an information rich world.
Now considering whether the post would translate well into a different form, and a look at meownoon 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 noticing that the post never raised its voice even when making a strong point, and a look at zulqaro continued that calm volume, content that can make important points without resorting to typographic emphasis or emotional appeal is content that trusts its substance to do the work and this site has that confidence consistently.
During my morning reading slot this fit perfectly into the routine, and a look at timberfieldcorner 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.
Bookmark earned and folder updated to track this site separately, and a look at souptrigger confirmed the folder upgrade was the right call, organising my reading list so that good sites do not get lost in a sea of casual bookmarks is something I do more carefully now and this site warranted its own spot.
Top tier post, the kind that makes you want to share the link with friends working in the same area, and a stop at stashswan only made me more confident in doing that, this site is one of the better resources I have seen on the topic recently across both new and older posts.
Came in skeptical of the angle and left mostly persuaded, and a stop at gonggrip pushed me a bit further in the same direction, content that can move a critical reader by argument rather than rhetoric is rare and worth pointing out because it indicates real substance underneath the surface presentation here.
Now sitting with the thoughts the post triggered rather than rushing on to the next thing, and a stop at tundraturtle extended that reflective pause, content that earns time for thought after closing the tab is content of higher value than the merely interesting and this site has clearly produced that lasting effect today.
Really appreciate the lack of pop ups, modals, cookie banners stacking on top of each other, and a quick visit to fribrag confirmed the same clean approach across the rest of the site, technical decisions about user experience are part of what makes content actually pleasant to engage with for sure.
Now thinking about whether the writer might publish a longer form work I would buy, and a look at tokenudon suggested the same depth would translate, content that makes me want to pay for related work in other formats is content that has earned commercial trust as well as attention trust and this site has both clearly.
Bookmark moved to my permanent reference folder rather than the casual maybe later folder, and a look at pebblelemon earned the same upgrade, the distinction between casual interest and lasting reference is something I track carefully and very few sites cross that threshold but this one did so without much effort apparently.
Got something practical out of this that I can apply later this week, and a stop at lemonode 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.
Started a draft response in my head and ended without publishing it because the post said it well enough, and a look at surgetarmac 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.
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 brofix did the same, brevity here feels intentional not lazy which is a distinction many writers miss completely sometimes when they are working under deadlines.
A small thing but the line spacing and font choices made reading this physically pleasant, and a look at voguestraw 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.
Useful reading material, the kind I can hand off to someone newer to the topic without worrying about confusing them, and a quick look at ibacane confirmed the same beginner friendly tone runs throughout the site which is great for sharing with people just starting their learning journey on this particular topic.
If you scroll past this site without looking carefully you will miss something, and a stop at treblevinca 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.
Genuinely useful read, the points are practical and easy to apply right away, and a quick look at storkumber confirmed that this site is consistent in that approach, looking forward to digging through the rest of it when I get the chance to sit down properly later in the week or this weekend.
Now feeling the post has earned a proper recommendation rather than a casual mention, and a stop at exploreinnovativeconcepts 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.
Came across this and immediately thought of a friend who would enjoy it, and a stop at tidalurchin 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.
Probably the best thing I have read on this topic in the past month, and a stop at imobush extended that ranking, the casual ranking of recent reading is informal but real and this site has been winning those rankings for me on this topic specifically over the last several weeks of regular reading sessions.
Considered against the flood of similar content this one stands apart in important ways, and a stop at syncbyte 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.
Now feeling the post has earned a proper recommendation rather than a casual mention, and a stop at sorreltavern 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.
A piece that did exactly what it promised in the headline without overshooting or underdelivering, and a look at zulvexa continued that calibration, alignment between promise and delivery is a basic editorial virtue that many sites fail at and this site has clearly mastered the matching of expectation and substance throughout pieces.
Closed my email tab so I could read this without interruption, and a stop at tacticstaff earned the same protected attention, when content is good enough to defend against the usual digital distractions you know it deserves better than the half attention most online reading gets in a typical busy day.
Looking through the archives suggests this site has been doing this for a while at this level, and a look at siskavarsity 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.
This one is staying open in a tab for the rest of the day so I can come back and re read certain parts, and a look at fylbust suggests I will be doing the same with a few more pages here too, this is going to be a deep dive over the coming hours.
Reading this slowly to give it the attention it deserved, and a stop at pebblenovel earned the same slow read, choosing to read slowly is a small act of respect for content quality and very few sites earn that respect from me but this one did so without any explicit ask which is the cleanest way.
Worth saying that the post fit naturally into a rhythm of careful reading, and a stop at gongjade extended the same rhythm, content that pairs well with how I actually read rather than demanding a different mode is content well calibrated to its likely audience and this site has clearly thought about that consistently.
I appreciate the clarity here, everything is explained in simple terms without unnecessary detail, and after a quick stop at seriftackle the points came together nicely for me, the writing keeps things straightforward and respects the reader from start to finish without ever talking down to anyone.
Liked the careful word choice throughout, every term seemed picked for a reason rather than thrown in casually, and a stop at threeoaktreasures continued that precise style, this kind of attention to small details is what separates careful writing from the usual rushed content that dominates blog spaces today across pretty much every topic I follow.
Appreciated that the writer trusted the reader to follow along without constant restating of earlier points, and a look at leveemotel continued that respect for the reader, treating an audience as capable adults rather than as people to be hand held through every paragraph is something I notice and value highly across the open internet today.
Reading this in a quiet hour and finding it suited the quiet and a stop at steamstraw 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.
Compared to the usual results for this kind of search this site stands well above the average, and a quick visit to jalborn kept the standard high, you can tell within seconds whether a site is going to waste your time or actually deliver and this one clearly delivers without any false starts.
Stayed longer than planned because each section earned the next, and a look at byncane kept that pulling effect going across more pages, the kind of subtle pull that good writing exerts on attention is something I find harder and harder to resist when I encounter it on the open web today.
Spent a few minutes here and came away with a clearer picture of the topic, the writing keeps things simple without dumbing them down, and after a stop at ibeburn the rest of the points lined up neatly which is something I appreciate when I am short on time and need answers fast.
Worth flagging this site to a few specific friends who would appreciate the editorial sensibility, and a look at exploreyourpotential added more pages I will mention to them, recommending sites to specific people requires understanding both the site and the person and this site is making those personalised recommendations easy and natural for me.
A piece that handled the topic with appropriate weight without becoming portentous, and a look at velourturban continued that calibrated seriousness, content that takes itself seriously without becoming pompous is something this site has clearly figured out and the balance shows up in every piece I have read across multiple sessions now.
Easy to recommend, the content speaks for itself without needing additional praise from me, and a stop at halbrook only adds more reasons to send people this way, the kind of generous resource that benefits its readers without demanding anything in return is increasingly rare and worth recognising clearly today across the broader open internet.
Worth recognising that the post handled a familiar topic without reaching for any of the obvious hot takes, and a stop at hoxfix continued that fresh treatment, sites that find new angles on subjects others have exhausted are sites worth following carefully and this one has clearly developed that exploratory instinct through patient practice.
Decided to write a short note to the author if there is contact info anywhere, and a stop at mercymodel 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.
Thanks for keeping the writing direct without losing the warmth that makes content feel human, and a stop at tritonsloop carried both qualities forward, balancing professionalism and personality is a rare skill and the writers here have clearly figured out how to consistently land it across many posts which I notice.
Reading this slowly because the writing rewards a slower pace, and a stop at inaarch did the same, the pace at which I read content is something I now use as a quality signal and writing that earns a slower pace earns my attention as a reader looking for substance these days.
Honestly impressed, did not expect to find this level of care on the topic, and a stop at timberverge 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.
Just want to acknowledge that the writing here is doing something right, and a quick visit to suppletoast confirmed the same standards run across the broader site, recognising good work is something I try to do when I find it because the alternative is silence and silence rewards mediocrity.
Decided to write a short note to the author if there is contact info anywhere, and a stop at swamptweed 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.
My usual response to new bookmarks is to forget them but this one I have already returned to twice, and a look at stereotarot pulled me back a third time, the actual return rate to bookmarked sites is the real measure of value and this one is clearing that measure at a notable rate already.
Now feeling confident that this site will continue producing work I will want to read, and a look at fylcalm extended that confidence into the future, projecting forward from current quality to expected future quality is something I do for sites I genuinely follow and this one has earned that forward looking trust clearly today.
I really like the calm tone here, it does not push anything on the reader, and after I went through zunkavi I felt the same way, just steady useful content laid out without drama, which is exactly what someone trying to learn something quickly needs to find rather than aggressive marketing.
Now thinking I want more sites built on this kind of editorial foundation, and a stop at vocabtoffee 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.