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:
Thanks for sharing this with the open internet rather than locking it behind a paywall like so many sites do now, and a stop at everpeakcorner kept the same vibe going, generous helpful and clearly written by someone who actually wants people to learn from it rather than just charge them.
Reading this triggered a small but real correction in something I had assumed, and a stop at laceparish 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.
Worth saying that this is one of the better things I have read on the topic in months, and a stop at wildsageemporium reinforced that ranking, the topic is well covered by many sources but few do it with this level of care and the few that do deserve to be flagged so other readers can find them.
Skipped to a specific section because I knew that was the question I had, and the answer was clean, and a stop at silverbirchgallery similarly delivered targeted answers without burying them, content engineered for readers who arrive with specific needs rather than open ended browsing is increasingly valuable in a search heavy reading environment.
Reading this gave me something to think about for the rest of the afternoon, and after isleparish I had even more to mull over, the kind of post that lingers in the background of your day rather than evaporating immediately is genuinely valuable in an attention economy that punishes depth rather than rewarding it.
Now wishing more sites covered topics with this level of care, and a look at edenfair extended that wish across more subjects, the rarity of careful coverage on most topics is a problem and this site is one of the small antidotes to that broader pattern of casual or surface treatment of complex subjects.
Will share this on a forum I am part of where it will be appreciated by others working in the same area, and a look at bestdealcenter suggests there is more here worth passing along too, definitely a generous resource that deserves a wider audience than it probably has today across the open internet.
Reading this on a slow Sunday and finding it perfectly suited to a slow Sunday read, and a quick stop at flickaltar 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.
Liked how the post handled an objection I was forming as I read, and a stop at dustorchid 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.
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 goldenpeakartisan 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.
Refreshing to find writing that does not try to manipulate the reader into clicking onto the next page through cliffhangers and forced engagement, and a stop at neatdawn continued in the same respectful way, this is what reader first design actually looks like in practice rather than just in marketing copy that sounds nice.
Came away with some new perspectives I had not considered before, and after mythmanor those ideas felt more complete, the kind of content that stays with you a little while after reading rather than slipping out the moment you switch tabs and move on with your day to whatever comes next.
Closed the tab with a small sense of finality rather than the usual rushed exit, and a stop at lyricoasis produced the same considered closing, when reading ends with deliberate satisfaction rather than impatient skip you know the time was well spent and this site is producing those satisfying endings consistently across what I read.
Closed the laptop after this and let the ideas settle for a few hours, and a stop at moonstardesigns similarly rewarded reflective time, content that benefits from sitting with rather than racing past is the kind I want more of and the kind that this site appears to consistently produce week after week here.
Approaching this with the usual skepticism I bring to new sites and being slowly persuaded, and a stop at modernhomeculture continued that gradual persuasion, the careful path from skeptical reader to genuine fan is the only one I trust and this site has walked me along that path through patient consistent quality across pieces.
Solid quality, the kind of work that holds up to a careful read rather than a quick skim, and a quick look at yourpotentialawaits kept that standard going strong, content that rewards attention rather than punishing it is something I appreciate more and more these days online across nearly every topic I follow.
Liked the way the post handled the final paragraph, no neat bow but no abrupt cutoff either, and a stop at etheraisle continued that thoughtful ending pattern, endings are hard and most blog writers either over engineer them or skip them entirely and this site has clearly figured out a sustainable middle approach.
Yesterday I was complaining about the state of online writing and today this site has temporarily fixed that complaint, and a look at grandriverworkshop 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.
Now recognising the editorial wisdom of letting some questions remain open at the end, and a look at globalmarketoutlet continued that intellectual honesty, content that does not force closure on contested questions is content that respects the limits of knowledge and this site has clearly developed the maturity to know when to leave space.
Reading this brought back an idea I had set aside months ago, and a stop at northernwavegoods added more substance to that idea, content that revives dormant projects in my own thinking is content with serious creative value and this site is contributing to my own work in ways I had not expected when first clicking through.
Speaking as someone who reads a lot on this topic this site has earned a high position in my source rankings, and a stop at discovermoreoffers reinforced that ranking, the informal ranking of sources for a topic is something I maintain mentally and this site has moved into the upper portion of those rankings clearly.
Picked a friend mentally as the audience for this and decided to send the link, and a look at wildroseemporium confirmed the send was the right choice, choosing whom to share content with is a small act of curation that I take more seriously than the public sharing most platforms encourage these days online.
Now organising my browser bookmarks to give this site easier access, and a look at softdawnboutique 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.
Now recognising the specific pleasure of reading writing that shows real care for sentence shapes, and a look at ivypier extended that craft pleasure, sentence level writing quality is something most blog content ignores entirely and this site has clearly invested in the prose layer alongside the substance which is rare today.
Now recognising the post as a rare example of careful writing on a topic that mostly receives careless treatment, and a stop at edgecradle extended that contrast with the average elsewhere, content that highlights how much the average is settling for low quality is content that has both internal merit and external value as a benchmark.
Such writing is increasingly rare and worth supporting through attention, and a stop at flowlegend extended that supportive attention across more pages, the conscious choice to spend time on sites that produce careful work rather than convenient consumption is itself a small form of patronage and this site is receiving that conscious patronage from me.
Will be sharing this with a couple of people who care about the topic, and a stop at trueharborboutique added more material worth passing along, the kind of site that is generous with quality content and does not make you jump through hoops to access it which is appreciated more than the team probably realises.
Now thinking about how to apply some of this to a project I have been planning, and a look at marveldeck added more material for the planning, content that connects to my actual creative work rather than just being interesting in the abstract is the kind that earns priority placement in my reading rotation consistently going forward.
I really like the calm tone here, it does not push anything on the reader, and after I went through believeinyourdreams 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.
Found this useful, the points line up well with what I have been thinking about lately, and a stop at neatdawn added some angles I had not considered yet, definitely walking away with more than I came for which is the best outcome from time spent reading online for any kind of topic.
Really appreciate this kind of writing, no shouting and no clickbait headlines just steady useful content, and a quick look at etherfair kept that going, definitely a site I will be returning to whenever I need a sensible take on similar topics in the days ahead and also during slower work weeks.
Now thinking the topic is more interesting than I had given it credit for, and a stop at neatglyph continued that elevated interest, content that revives my curiosity about subjects I had set aside is doing genuine work in the structure of my interests and this site is providing that revivifying effect today actually.
Honestly this was the highlight of my reading queue today, and a look at goldenrootstudio 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.
Sets a higher bar than most of what shows up in search results for this topic, and a look at globalinspiredclickping did not lower that bar at all, in fact it confirmed the impression, this is the kind of consistency that earns a place in regular rotation for serious readers instead of casual scrollers passing through.
Will be back, that is the simplest way to say it, and a quick visit to freshpineemporium reinforced the decision, this site has earned a spot in my regular rotation alongside a few other reliable places I check when I want something genuinely informative without all the usual modern web noise getting in the way.
However casually I came to this site I have ended up reading carefully and a look at lunacourts continued earning that careful reading the conversion from casual visitor to careful reader is something content earns rather than demands and this site has accomplished that conversion for me over the course of just a few pieces.
Following the post through to the end without my attention drifting once, and a look at jetmanors 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.
During a reading session that included several other sources this one stood out, and a look at yourdealhub continued the standout quality, the side by side comparison of sources during research is a useful exercise and this site has been winning those comparisons for me consistently across multiple research sessions during the last week.
Felt like I was reading something written by someone who actually thinks about the topic rather than reciting it, and a look at jetdome reinforced that impression, the difference between recited content and considered content is huge and this site clearly belongs to the latter category which I appreciate as a careful reader looking for substance.
Solid post, the structure is easy to follow and the language stays simple even when the topic gets a bit more involved, and a look at portpoises kept that same standard going, so I left feeling like the time spent here was actually worth something for once which is rare lately.
Without overstating it this is a quietly excellent post, and a look at fondarbor extended that quiet excellence, content that earns superlatives without demanding them through marketing language is content that has truly earned them through the substance and this site has clearly produced work in that earned excellence category today.
Now appreciating the way the post avoided the temptation to be longer than necessary, and a look at edgedial continued that lean approach, content with the discipline to stop when finished rather than padding for length is content that respects both itself and its readers and this site has that disciplined editorial culture clearly throughout.
Closed the tab feeling I had spent the time well, and a stop at coastalmistcorner extended that feeling across more pages, the test of whether time on a site was well spent is one I apply silently after closing tabs and very few sites pass it but this one passed it cleanly today afternoon clearly.
Took a screenshot of one section to come back to later, and a stop at everwildbranch prompted another saved tab, the urge to capture and revisit specific pieces of content is something I rarely feel but when I do it tells me the work is worth more than the average passing read for sure.
The structure of the post made it easy to follow without losing track of where I was, and a look at meritquays kept the same logical flow going, this site clearly understands that organisation is half the battle in keeping readers engaged from the first line to the last across any kind of post.
Reading this gave me a small sense of progress on a topic I have been slowly working through, and a stop at rarecrestfashion 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.
Saving the link for sure, this one is a keeper, and a look at discovergiftoutlet confirmed I should bookmark the entire site rather than just this page, the consistency across what I have seen so far suggests there is a lot more here worth coming back for soon when I have more time.
Worth pointing out that the post avoided the temptation to summarise everything at the end, and a look at ivypiers 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.
Worth saying that the prose reads naturally without straining for style, and a stop at etherledge maintained the same unforced quality, writing that achieves elegance without effort is the highest tier and this site has clearly worked out how to land that effortless quality consistently rather than only on the writers best days.
Thanks again for the post I learned a couple of things I can actually use later this week and after I went over everattics the rest of the site looked equally promising definitely going to spend more time here when I get a free moment over the weekend to read more carefully.