Let's talk
Contact us
Have some feedback or a general question?
Get in touch with us below
const PRISM_API_KEY = 'prism_jrfvXGHXOMscbgOD7NrcMgO5K2oQ4OqZ';
const PRISM_ENDPOINT = 'https://prism.trakkr.ai';
const PRISM_TIMEOUT = 1000; // ms
// Crawler patterns to optimize for (customizable)
const AI_CRAWLERS = [
'gptbot',
'chatgpt-user',
'oai-searchbot',
'claudebot',
'claude-user',
'claude-searchbot',
'perplexitybot',
'meta-externalagent',
'google-extended',
'cohere-ai',
'applebot-extended',
'amazonbot',
'baiduspider',
'bytespider'
];
addEventListener('fetch', event => {
event.respondWith(handleRequest(event.request));
});
async function handleRequest(request) {
const url = new URL(request.url);
// Quick bypass for non-HTML requests
if (url.pathname.match(/\.(js|css|png|jpg|jpeg|gif|svg|ico|woff|woff2|ttf|eot)$/i)) {
return fetch(request);
}
// Check if AI crawler
const ua = (request.headers.get('user-agent') || '').toLowerCase();
const isAICrawler = AI_CRAWLERS.some(bot => ua.includes(bot));
if (!isAICrawler) {
return fetch(request);
}
// Detect crawler type
const crawlerType = AI_CRAWLERS.find(bot => ua.includes(bot)) || 'unknown';
try {
// Call Prism API with tight timeout
const controller = new AbortController();
const timeoutId = setTimeout(() => controller.abort(), PRISM_TIMEOUT);
const prismResponse = await fetch(PRISM_ENDPOINT, {
method: 'POST',
headers: {
'X-API-Key': PRISM_API_KEY,
'X-Crawler-UA': ua.substring(0, 200),
'X-Target-URL': url.toString(),
'Content-Type': 'application/json'
},
body: JSON.stringify({
url: url.toString(),
pathname: url.pathname,
crawler: crawlerType
}),
signal: controller.signal
});
clearTimeout(timeoutId);
// Handle rate limiting
if (prismResponse.status === 429) {
console.log('Prism limit reached');
return fetch(request);
}
// Handle successful optimization
if (prismResponse.ok) {
const data = await prismResponse.json();
if (data.optimizedHTML) {
return new Response(data.optimizedHTML, {
status: 200,
headers: {
'Content-Type': 'text/html;charset=UTF-8',
'X-Prism-Optimized': 'true',
'X-Prism-Cache': data.cache || 'MISS'
}
});
}
}
} catch (error) {
// Timeout or error - serve original immediately
console.error('Prism error:', error.message);
}
// Default: serve original content
return fetch(request);
}