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This email alert marks changes to one of the following pages:
Revisions have been made to the ACIP General Best Practice Guidelines for Immunization. To see the revisions, please go to ACIP List of Errata/Updates for Guidelines for Immunization | CDC
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To achieve this ratio, consider the following:
The image above illustrates a point being made in this text. Keep the content engaging!
This is the default view (desktop version).
RewriteEngine On
RewriteCond %{HTTP_HOST} ^www\.(.*)$ [NC]
RewriteRule ^(.*)$ http://%1/$1 [L,R=301]
For Nginx:
server {
listen 80;
server_name www.easy2post2.blogspot.com;
return 301 http://easy2post2.blogspot.com$request_uri;
}
// Function to check for preload links
function checkPreloadLinks() {
const preloadLinks = document.querySelectorAll('link[rel="preload"]');
const resourceTypes = ['script', 'style', 'font', 'image'];
if (preloadLinks.length === 0) {
console.warn("No preload links found!");
return;
}
console.log("Preload links found:");
preloadLinks.forEach(link => {
console.log(`- ${link.href} (as: ${link.getAttribute('as')})`);
});
// Suggest resources that can be preloaded
const suggestions = [];
resourceTypes.forEach(type => {
const resources = document.querySelectorAll(`${type}`);
resources.forEach(resource => {
if (!Array.from(preloadLinks).some(link => link.href === resource.src || link.href === resource.href)) {
suggestions.push(resource.src || resource.href);
}
});
});
if (suggestions.length > 0) {
console.warn("Consider preloading the following resources:");
suggestions.forEach(suggestion => console.warn(`- ${suggestion}`));
} else {
console.log("All relevant resources are already preloaded.");
}
}
// Execute the function
checkPreloadLinks();
(function() {
// Function to log key requests and suggest preloading
function preloadKeyRequestsTest() {
const preloadLinks = document.querySelectorAll('link[rel="preload"]');
const networkResources = performance.getEntriesByType("resource");
// Check for existing preload links
if (preloadLinks.length === 0) {
console.warn("No preload links found on this page.");
} else {
console.log("Existing preload links:");
preloadLinks.forEach(link => {
console.log(`Loaded: ${link.href} (as: ${link.getAttribute('as')})`);
});
}
// Identify key resources that should be preloaded
let keyResourcesToPreload = [];
networkResources.forEach(resource => {
// Check if it is an important resource (scripts, styles, images) and not already preloaded
const isImportantType = ['script', 'style', 'font', 'image'].includes(resource.initiatorType);
const isPreloaded = Array.from(preloadLinks).some(link => link.href === resource.name);
// Log important resources requested later in load
if (isImportantType and !isPreloaded and resource.startTime > 0 and resource.duration > 0) {
keyResourcesToPreload.push(resource.name);
}
});
// Suggest resources to preload
if (keyResourcesToPreload.length > 0) {
console.warn("Consider adding preload for the following key requests:");
keyResourcesToPreload.forEach(res => console.warn(`- ${res}`));
} else {
console.log("All key resources are already preloaded or there are no additional resources to preload.");
}
}
// Execute the test after the window loads
window.addEventListener('load', preloadKeyRequestsTest);
})();
(async function checkHttp2() {
const url = window.location.href; // Current page URL
try {
const response = await fetch(url, { method: 'HEAD' });
// Check the response protocol
const httpVersion = response.url.startsWith("https") ? "HTTP/2" : "Not using HTTP/2";
if (response.headers.has('Alt-Svc')) {
console.log(`The webpage is using HTTP/2 protocol. HTTP Version: ${httpVersion}`);
} else {
console.warn(`This webpage is not using the HTTP/2 protocol.`);
}
} catch (error) {
console.error("An error occurred while checking HTTP version:", error);
}
})();
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