seekport Crawler and “Search Engine” by Sistrix

Seekport is a German search engine, though the search engine itself is not that popular (778k Global Alexa rank as of January 2021), it’s far more likely you will see the seekport crawler in your logs. The seekport crawler identifies itself with the following user agent string: Mozilla/5.0 (compatible; Seekport Crawler; http://seekport.com/) I’ve witnessed the … Read more

cloudflareinsights.com cross-site warning in chrome

CloudFlareInsights.com provides some browser load-time analytics. These tools allow webmasters to diagnose website speed issues and see what browsers are spending the most time loading. The warning is generated because Chrome will be disabling this cookie in future releases for security purposes. Nothing needs to be done to resolve this warning. Cloudflare will likely make … Read more

Get set up with a Progressive Web App Service Worker on your site in 5 min

If your site isn’t already set up with a Service Worker, Chrome’s debugging tools throw a few errors under the “Progressive Web App” section of webpage auditing. Current page does not respond with a 200 when offline start_url does not respond with a 200 when offline – No usable web app manifest found on page. … Read more

Optimize Google Analytics / Google Tag Manager via Preconnect Headers

Add the following before the tag in your html to give google analytics loading a little boost and make the pagespeed and chrome auditing tool happy with your site <link rel=”dns-prefetch” href=”https://www.google-analytics.com”> <link rel=”dns-prefetch” href=”https://www.googletagmanager.com”> <link href=”https://www.google-analytics.com” rel=”preconnect” crossorigin> <link href=”https://www.googletagmanager.com” rel=”preconnect” crossorigin> These optimizations can speed up your page load. Opportunity: Preconnect to required … Read more

CloudFlare Mirage Causing Google Pagespeed Hang Ups

After encountering some Sea-Themed Google Pagespeed Warnings for porpoiseant , jellyfish.webp, and banger.js, I’ve tracked down the offending code to be from CloudFlare’s Mirage tool (found under the Speed tab)  From the CloudFlare Website, this is the summary of Mirage: What does Mirage do? Mirage tailors image loading based on network connection and device type. Devices … Read more

edmonton.webp jellyfish.webp banger.js 404 errors

I’ve been getting an increase in 404 errors hit by Googlebot recently: 66.249.69.204 – – [01/Jul/2019:20:29:17 +0000] “GET /porpoiseant/banger.js?cb=169-1&bv=2&v=15&PageSpeed=off HTTP/1.1” 404 3277 “https://fccid.io/JWC-BS5-5” “Mozilla/5.0 (Linux; Android 6.0.1; Nexus 5X Build/MMB29P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2272.96 Mobile Safari/537.36 (compatible; Googlebot/2.1; +http://ww 66.249.69.206 – – [01/Jul/2019:10:37:53 +0000] “GET /detroitchicago/edmonton.webp?a=a&cb=170-1&shcb=27 HTTP/1.1” 404 “Mozilla/5.0 (Linux; Android 6.0.1; Nexus 5X … Read more

ZoomBot (Linkbot 1.0 http://suite.seozoom.it/bot.html)

I’ve posted the archive of http://suite.seozoom.it/bot.html below as it seems the link is now dead. I’ve blocked the ZoomBot from my web properties due to little added value. ZoomBot Version: 1.0 Bot Type: Good (Identifies itself, has an official moniker) Category: Marketing Obeys Robots.txt: Yes User-agent string: ZoomBot (Linkbot 1.0 http://suite.seozoom.it/bot.html) What is ZoomBot What … Read more

Google-Certificates-Bridge User Agent .well-known/acme-challenge Requests

I recently have been having many requests coming from Google IPv4 and IPv6 addresses with the user agent “Google-Certificates-Bridge” accessing unique files within /.well-known/acme-challenge/XXXX. A snippet from my Apache Log 64.233.172.141 – – [25/Dec/2018:23:30:30 +0000] “GET /.well-known/acme-challenge/LjaR-XXXXXXXXXXXXX-lgf6-QW8 HTTP/1.1” 404 – “-” “Google-Certificates-Bridge” 64.233.172.145 – – [25/Dec/2018:23:30:40 +0000] “GET /.well-known/acme-challenge/LjaR-XXXXXXXXXXXXX-lgf6-QW8 HTTP/1.1” 404 – “-” “Google-Certificates-Bridge” 64.233.172.143 … Read more