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Lets Keep It Simple
Getting your stats is just step one. If you're wondering what those numbers actually mean for your audience, this knowledge base is a good place to start. We recommend diving into the articles below to see how regional response times translate to real-world experiences and how you can easily optimize your setup.
All documentation
46 of 46 articles
Looking for the long reads rather than a single finding? Articles collects the pieces written from tests we ran across the web.
4,000 HTML Elements on One Page, and the Lag They Add
The browser has to create an object for every element on the page, remember it, and update it whenever anything changes.
A Truncated Meta Description, and the Ending Nobody Sees
Our own hosting site carries a meta description of 163 characters.
About the EnterraMon-Pro Bot
If you have seen one of the user-agents below in your server logs or WAF alerts, this page explains exactly what it is, where it comes from, and how to handle it.
CLS Above Target, When the Page Shifts Under Your Cursor
CLS above target. That is the flag when a page's Cumulative Layout Shift passes 0.1, and CLS measures how much the visible layout moves after it first appears.
Deprecated X-XSS-Protection, the Old Security Header That Should Be Off
Deprecated X-XSS-Protection enabled. That is the flag when a site sends an old security header with a value that turns a legacy browser feature on.
Do I Have IPv6?
The IPv6 test doesn't ask for a target. It checks the connection you're already using to read this page, which is what people actually want when they search "do i have ipv6" or...
Duplicate jQuery, When a Site Loads the Same Library Twice
Duplicate jQuery loaded. That is the flag when a page pulls the same JavaScript library from two different places, and it is a quieter cousin of the heavy-weight findings.
Every Plugin Adds a Script, and a Page Can Load Dozens
Every script file has to be downloaded before the browser can run it, and the browser stops to read the ones that are not marked async or deferred.
FCP Above Target, When the Page Still Shows Nothing
FCP above target. That is the flag when a page takes longer than 1.8 seconds to paint its first content, and FCP stands for First Contentful Paint, the first moment the visitor...
Heavy Page Weight, What Megabytes of Website Cost Your Visitors
Heavy total page weight. That is the flag when a page transfers more than about 2,000KB before it is done, and it is one of the most common performance findings we see on real...
How to run a test on Enterramon
Running an Enterramon Test is simple, however there are a few thing to consider.
HSTS Not Enabled, and Why That Leaves Your Visitors Open to Downgrade Attacks
HSTS not enabled, high severity. That is the flag when a site does not send the Strict-Transport-Security header, and it is one of the most common ones we see.
LCP Above Target, Why the Main Content Takes Too Long to Appear
LCP above target. That is the flag when the largest piece of content on a page takes longer than 2.5 seconds to appear, and LCP stands for Largest Contentful Paint, one of the...
Legacy Image Formats, and the Credit You May Already Have
Four images on our own site are still PNG files, and the report lists them as legacy image formats.
Low Cacheability, and the Return Visit You Are Paying For
Roughly two thirds of the static files on our own site carry caching headers.
Missing Alt Text, and the Images That Are Meant to Be Silent
One page we test carries eight images, and four of them have no alt attribute at all.
Missing Meta Description, and the Text Google Borrows
A page with no meta description has handed the snippet over to the search engine.
Missing or Multiple H1 Headings, and the Outline They Break
More pages in our reports carry several H1 headings than carry none.
No Structured Data, Why JSON-LD Helps Search Engines Know Your Pages
No structured data (JSON-LD). That is the flag when a page carries no machine-readable description of what it is, and it shows up in the SEO section of an Enterramon report.
No Text Compression, and the Switch Nobody Turned On
One site we watch sends every page with the compression switch off.
Oversized Assets, When One File Outweighs the Whole Page
Heavy total page weight. That is the flag when a page transfers more than about 2,000KB before it is done, and it is one of the most common performance findings we see on real...
Search Engines Find Your Pages Without an XML Sitemap
A sitemap is not a ranking device. It is a list you hand a crawler so it does not have to find your pages by following links from somewhere else.
TBT Above Target, When JavaScript Holds the Page Hostage
TBT above target. That is the flag when a page's Total Blocking Time passes 200 milliseconds, and TBT measures how long the main thread is too busy to respond to the visitor.
Third-Party Scripts, When Most of the Page Is Not Yours
More than half of what a visitor downloads never touches your server.
TLS Certificate Expiring, the Countdown That Can Take Your Site Down
TLS certificate expiring soon. That is the flag when a site's certificate has fewer than thirty days left, and it is the one security finding in the report with a hard deadline...
TLS Chain Not Validating, When Your Certificate Checks Out but Does Not Chain
TLS chain does not fully validate. That is the flag when a site presents a working certificate that browsers can read, but the certificate chain cannot be verified back to a...
Too Many CSS Files, What 23 Stylesheets Do to a Page Load
A stylesheet has to download and be read before the browser paints the content it styles.
TTFB Above Target, The Long Pause Before the Page Starts
Nothing has loaded yet when TTFB runs, the browser is still waiting for the server to answer, and that wait is Time to First Byte.
Understanding the Report: How to Read an Enterramon Test
Table of Contents The four scores, and how they're actually calculated Performance (35%) Security (25%) Caching / Delivery (20%) SEO (20%) And the one that doesn't count yet:...
Using the Enterramon Broken Link Checker
Drop in a domain and the tool crawls up to 35 pages starting from your homepage, following the same links a visitor or a search bot would run into.
Using the Enterramon DNS Tool
DNS propagation DNS propagation isn't instant and it isn't uniform.
Using the Enterramon Domain Search Tool
The Enterramon domain search tool checks names against the live registry and comes back with real prices in a few seconds.
Using the Enterramon MAC Address Lookup
What is a MAC address lookup Every network device, a router, a laptop's wifi card, a smart TV, a phone, ships with a MAC address burned into its hardware.
Using the Enterramon Ping Tool
What is ping Ping is the oldest, simplest diagnostic on the internet, and it still does its one job well.
Using the Enterramon Robots.txt Tester
What is robots.txt robots.txt is a plain text file sitting at the root of a domain, something like example.com/robots.txt , and it's the first thing most well behaved crawlers...
Using the Enterramon Server Check
What is a Server Check A domain name resolving is not the same thing as a server actually answering.
Using the Enterramon Traceroute
What is traceroute Traceroute is what you reach for when ping has already told you something is slow, but not why.
What Crawlers Do Without a robots.txt, and Why It Matters
A missing robots.txt is not the emergency the card's name suggests.
Why Your Site Needs a Content-Security-Policy and How to Add One
Your Enterramon report came back with a red one.
X-Content-Type-Options nosniff, Stopping Uploads From Becoming Scripts
No X-Content-Type-Options. That is the flag when a site does not send the nosniff header, and it is the quietest card in the security section of an Enterramon report.
X-Frame-Options and Clickjacking Protection, What the Header Does and How to Add It
No X-Frame-Options or frame-ancestors. That is the flag when a site does not tell browsers who is allowed to embed it in a frame.
Open Graph Tags Missing, and the One Almost Everyone Skips
118 Enterramon tests raised this finding, and 107 of them were missing the same tag. It was not the title, and it was not the description.
Few Internal Links, and the Times the Check Is Wrong
Nineteen domains raised this finding and eight of them were not thin pages at all. They were bot challenges.
The Meta Keywords Tag, the Most Common Finding We Raise
This is the finding we raise more than any other. It is also the one that costs you nothing.
Thin Content, and When the Word Count Is Wrong
The check told us youtube.com had 234 words. The same record carried 44,704 characters of text, 191 characters per word.
Meta Description Too Short, and the 68 Character Case
The clearest case we have is 68 characters, a complete sentence two characters under our floor. Here is when that is worth fixing.