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 slowly to give it the attention it deserved, and a stop at urbantix 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.
Quietly enjoying that I have found a new site to follow for the topic, and a look at foilgenie reinforced the small pleasure of the find, the discovery of new high quality sources is one of the more durable pleasures of careful internet reading and this site has been generating that discovery pleasure at multiple points already today.
Recommended without reservation for anyone interested in the topic at any level of expertise, and a look at elitefests 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.
Picked this post to share in a Slack channel where I knew it would be appreciated, and a look at kalqavo 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.
Looking for similar voices elsewhere has come up empty in my recent searches and a stop at ironkrill extended the search frustration the rare site that does what no other does in quite the same way is precious and this one has clearly developed a particular approach that I have not been able to find duplicates of.
Thank you, I’ve recently been seeking for facts about this topic for ages and yours is the best I’ve found so far.
Honestly this kind of writing is why I still bother to read independent sites, and a look at fashiondailychoice extended that broader reflection, the few sites that justify continued attention to non algorithmic content are sites like this one and finding them periodically is enough to keep my reading habits oriented toward independent rather than aggregated content.
My reading list is short and selective and this site is now on it, and a stop at vuznaro confirmed the placement, the short list of sites I read deliberately rather than encounter accidentally is something I curate carefully and adding to it is a real act of trust which this site has earned today.
Now adjusting my mental model of how the topic fits into the broader landscape, and a look at dailyshoppinghub extended that adjustment, content that affects my structural understanding rather than just my factual knowledge is content with deeper impact and this site is providing those structural updates at a meaningful rate consistently across topics.
Reading this prompted me to dig into a related topic later, and a stop at heronhilt provided some of the starting points for that follow up reading, content that triggers further exploration rather than satisfying curiosity completely is content with real generative energy and this site has plenty of that energy throughout it.
Thanks for the clean writing, no broken sentences and no awkward translations like some other sites have, and a quick stop at buyrova kept that polish going nicely, it really does make a difference when a reader can move through a page without tripping on every line or going back to reread.
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Now setting up a small reminder to revisit the site on a slow day, and a stop at mexvoro 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.
Polished and informative without feeling overproduced, that is the sweet spot, and a look at wavevendor hit it again, you can tell when a site has been built with care versus thrown together for the sake of having something to put online and this is clearly the former approach taken by the team.
A modest masterpiece in its own quiet way, and a look at tirvaxo confirmed the same quiet quality across the rest of the site, calling something a masterpiece is usually overstating but for content this carefully crafted the word feels appropriate even if the writers themselves would probably resist the label honestly.
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Thank you for the genuine effort here, it shows in every paragraph and not just the headline, and after my visit to morqino I was sure this site cares about getting things right rather than chasing clicks, which is the main reason I will come back later this week to read more.
Easily one of the better explanations I have read on the topic, and a stop at gullkindle 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.
Genuinely well crafted writing, the kind that makes the topic look easier than it actually is, and a look at qavmizo added even more depth, you can feel the experience behind every line which is something only writers who have been at this for a while can pull off with this level of grace.
Bookmark added in three places to make sure I do not lose the link, and a look at gaussfawn 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.
Really like that the writer trusts the reader to follow simple logic without restating every previous point, and a stop at eagerkilt kept that respect going, treating an audience as capable adults rather than as people who need constant hand holding makes a noticeable difference in the reading experience for me.
Adding to the bookmarks now before I forget, that is how good this is, and a look at lovzari confirmed the rest of the site is worth saving too, this is one of those rare finds that justifies the time spent searching the web for once which is a relief in the current environment.
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 ironkudos did the same brevity here feels intentional not lazy which is a distinction many writers miss completely sometimes when they are working under deadlines.
Really like that the writer trusts the reader to follow simple logic without restating every previous point, and a stop at festglade kept that respect going, treating an audience as capable adults rather than as people who need constant hand holding makes a noticeable difference in the reading experience for me.
Took a chance on the headline and was rewarded, and a stop at modernartisancommerce kept the rewards coming as I clicked through, the kind of place where every link leads somewhere worth the click is a small luxury on the modern web where so many sites are mostly empty calories disguised as content.
Genuine pleasure to read, and that is not something I say often after a casual click through, and a quick visit to urbanvani kept the same feeling going across the rest of the site, finding writing that actually feels good to spend time with rather than just functional is increasingly rare on the open web.
Now realising this site has been quietly doing good work for longer than I knew, and a look at shopvilo 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.
Reading this triggered a small reorganisation of my own thinking on the topic, and a stop at discovergiftoutlet furthered that reorganisation, content that affects the shape of my mental model rather than just decorating it with new facts is content with structural rather than informational impact and this site provides that.
Quiet confidence runs through the whole post, no need to shout to make the points stick, and a stop at xarmizo carried that same restrained voice forward, content that respects the reader by trusting its own substance rather than dressing it up in theatrical language is what I look for online and rarely actually find these days.
Looking at this objectively the editorial quality is hard to deny even setting aside personal taste, and a stop at quickcartsolutions maintained the same objective quality, the gap between what I personally enjoy and what is objectively well crafted exists and this site clears both bars simultaneously which is rarer than it sounds.
Felt this in a way I cannot quite explain, the topic just hit different here, and a stop at buyvani continued in that vein, sometimes you find a site whose perspective lines up with how you have been thinking and reading their work feels like a small relief which I appreciated more than I expected.
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Felt like the post had been edited rather than just drafted and published, and a stop at elitedawns suggested the same care across the site, the difference between edited and unedited content is enormous for the reader and this site has clearly invested in the editing pass that most blogs skip entirely which really does show up.
Reading this gave me a small mental break from the heavier reading I had been doing, and a stop at kanqiro extended that lighter feel, content that provides relief without becoming trivial is harder to produce than people realise and this site has clearly figured out how to be light without being shallow at all.
A nicely understated post that does not shout for attention, and a look at heronjoust maintained the same quiet quality, understatement is a stylistic choice that distinguishes serious writing from attention seeking writing and this site has clearly committed to the understated approach as a core editorial value rather than just a phase.
I usually skim posts like these but this one held my attention all the way through, and a stop at haleforge did the same, that is a strong endorsement coming from me because I am usually quick to bounce when content gets repetitive or fails to deliver on its initial promise made in the headline.
Better signal to noise ratio than most places I check on this kind of topic, and a look at gausskite kept that going, every paragraph here carries something worth reading rather than padding out the page to hit some arbitrary length target that search engines reward but readers ignore as soon as they notice it.
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 gingercrate 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.
Thank you for being clear and direct, that simple approach saves so much frustration on the reader’s end, and a stop at forgefeat only made me more sure of it, the rest of the content seems to follow the same pattern which is a great sign of consistent editorial care behind the scenes.
The whole experience of reading this was pleasant from start to finish, no pop ups and no annoying interruptions, and a look at tirvilo continued that clean experience, technical choices about page design matter for the reader and this site clearly cares about the small details that add up to comfort across multiple visits.
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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 luxdeck 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.
If I had to summarise the editorial sensibility of this site in a few words it would be careful and human and a look at islegoal extended that summary feeling capturing the essence of a sites approach in brief is hard but this site has a clear enough identity that the summary comes naturally enough.
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Found the use of subheadings really helpful for scanning back through the post later, and a stop at minqaro kept that reader friendly approach going, navigation is something many blog writers ignore but small structural choices make a noticeable difference for someone returning to find a specific point again days or weeks later.
Definitely a recommend from me, anyone curious about the topic should check this out, and a look at urbanvilo adds even more reason for that, the depth and quality combine to make this site one I will be pointing people toward whenever similar conversations come up over the months ahead at work or socially.
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A handful of memorable phrases from this one I will probably use later, and a look at buyvilo 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.
Now appreciating that the post left me with enough to say in a follow up conversation, and a look at intentionalstyleandhome added more material for those follow ups, content that prepares me for related conversations rather than just informing me alone is content with social utility and this site provides that social armament reliably for me.
Reading this slowly in the morning before opening email, and a stop at packpeak extended that protected attention, content that earns the prime morning reading slot before the daily distractions begin is content with elevated status and this site has earned that prime slot consistently in my recent reading habits clearly.