instant.page/
Instant.page is different from Flying Pages. Read Instant.page vs Flying Pages
I'd address the 300ms+ ttfb first...
SSL handshake from server to a location halfway around the globe itself takes 250+ms.
You could just use a CDN.
CDN only fixes latency for static files. This is for dynamically generated HTML pages
For those looking for issues and needing wordpress plugins to slap some js on their pages, here ya go, copy paste to your page (layout) and you are golden.
/*! instant.page v3.0.0 - (C) 2019 Alexandre Dieulot - https://instant.page/license */ let t,e;const n=new Set,o=document.createElement("link"),s=o.relList&&o.relList.supports&&o.relList.supports("prefetch")&&window.IntersectionObserver&&"isIntersecting"in IntersectionObserverEntry.prototype,i="instantAllowQueryString"in document.body.dataset,r="instantAllowExternalLinks"in document.body.dataset,a="instantWhitelist"in document.body.dataset;let c=65,d=!1,l=!1,u=!1;if("instantIntensity"in document.body.dataset){const t=document.body.dataset.instantIntensity;if("mousedown"==t.substr(0,"mousedown".length))d=!0,"mousedown-only"==t&&(l=!0);else if("viewport"==t.substr(0,"viewport".length))navigator.connection&&(navigator.connection.saveData||navigator.connection.effectiveType.includes("2g"))||("viewport"==t?document.documentElement.clientWidth*document.documentElement.clientHeight<45e4&&(u=!0):"viewport-all"==t&&(u=!0));else{const e=parseInt(t);isNaN(e)||(c=e)}}if(s){const n={capture:!0,passive:!0};if(l||document.addEventListener("touchstart",function(t){e=performance.now();const n=t.target.closest("a");if(!f(n))return;h(n.href)},n),d?document.addEventListener("mousedown",function(t){const e=t.target.closest("a");if(!f(e))return;h(e.href)},n):document.addEventListener("mouseover",function(n){if(performance.now()-e<1100)return;const o=n.target.closest("a");if(!f(o))return;o.addEventListener("mouseout",m,{passive:!0}),t=setTimeout(()=>{h(o.href),t=void 0},c)},n),u){let t;(t=window.requestIdleCallback?t=>{requestIdleCallback(t,{timeout:1500})}:t=>{t()})(()=>{const t=new IntersectionObserver(e=>{e.forEach(e=>{if(e.isIntersecting){const n=e.target;t.unobserve(n),h(n.href)}})});document.querySelectorAll("a").forEach(e=>{f(e)&&t.observe(e)})})}}function m(e){e.relatedTarget&&e.target.closest("a")==e.relatedTarget.closest("a")||t&&(clearTimeout(t),t=void 0)}function f(t){if(t&&t.href&&(!a||"instant"in t.dataset)&&(r||t.origin==location.origin||"instant"in t.dataset)&&["http:","https:"].includes(t.protocol)&&("http:"!=t.protocol||"https:"!=location.protocol)&&(i||!t.search||"instant"in t.dataset)&&!(t.hash&&t.pathname+t.search==location.pathname+location.search||"noInstant"in t.dataset))return!0}function h(t){if(n.has(t))return;const e=document.createElement("link");e.rel="prefetch",e.href=t,document.head.appendChild(e),n.add(t)}
This will preload all the links which will cause many issues like logging out users, adding unwanted products to cart, removing items from cart etc.
Also Instant.Page will preload all the links which can crash servers
Do you have any proof/example of precaching crashing any server?
And how is this not applying to the wp thingie?
I think you haven't read the blog post I linked before wpspeedmatters.com/quicklink-vs-in...
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instant.page/
Instant.page is different from Flying Pages. Read Instant.page vs Flying Pages
I'd address the 300ms+ ttfb first...
SSL handshake from server to a location halfway around the globe itself takes 250+ms.
You could just use a CDN.
CDN only fixes latency for static files. This is for dynamically generated HTML pages
For those looking for issues and needing wordpress plugins to slap some js on their pages, here ya go, copy paste to your page (layout) and you are golden.
This will preload all the links which will cause many issues like logging out users, adding unwanted products to cart, removing items from cart etc.
Also Instant.Page will preload all the links which can crash servers
Do you have any proof/example of precaching crashing any server?
And how is this not applying to the wp thingie?
I think you haven't read the blog post I linked before wpspeedmatters.com/quicklink-vs-in...