Website review quantum5.ca
Quantum | Quantum’s (a.k.a. Guanzhong Chen) blog about coding, security, and other computer technology.
Generated on April 11 2026 02:09 AM
Old data? UPDATE !
The score is 69/100
SEO Content
Title
Quantum | Quantum’s (a.k.a. Guanzhong Chen) blog about coding, security, and other computer technology.
Length : 103
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Description
Quantum’s (a.k.a. Guanzhong Chen) blog about coding, security, and other computer technology.
Length : 93
Great, your meta description contains between 70 and 160 characters.
Keywords
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Og Meta Properties
Good, your page take advantage of Og Properties.
| Property | Content |
|---|---|
| title | Quantum |
| locale | en_ca |
| description | Quantum’s (a.k.a. Guanzhong Chen) blog about coding, security, and other computer technology. |
| url | https://quantum5.ca/ |
| site_name | Quantum |
| type | website |
Headings
| H1 | H2 | H3 | H4 | H5 | H6 |
| 0 | 4 | 10 | 0 | 0 | 0 |
- [H2] About me
- [H2] Support me
- [H2] Categories
- [H2] Archives
- [H3] Resurrecting a 13-year-old high school project: the BSoD lock screen
- [H3] 2025: Year in Review
- [H3] Joining your first Internet Exchange
- [H3] Announcing your first routes to the Internet via BGP
- [H3] Building a global WireGuard mesh “backbone” network with OSPF
- [H3] Enabling highly available global anycast DNS modifications with Galera
- [H3] Building highly available services: global anycast PowerDNS cluster
- [H3] Fast and cheap bulk storage: using LVM to cache HDDs on SSDs
- [H3] On reusing old cases for NAS applications
- [H3] Building a multi-network ADS-B feeder with a $20 dongle
Images
We found 0 images on this web page.
Good, most or all of your images have alt attributes.
Text/HTML Ratio
Ratio : 34%
Ideal! This page's ratio of text to HTML code is between 25 and 70 percent.
Flash
Perfect, no Flash content has been detected on this page.
Iframe
Great, there are no Iframes detected on this page.
SEO Links
URL Rewrite
Good. Your links looks friendly!
Underscores in the URLs
Perfect! No underscores detected in your URLs.
In-page links
We found a total of 96 links including 0 link(s) to files
| Anchor | Type | Juice |
|---|---|---|
| Quantum | Internal | Passing Juice |
| Resurrecting a 13-year-old high school project: the BSoD lock screen | Internal | Passing Juice |
| Code | Internal | Passing Juice |
| qt.ax/bsod | External | Passing Juice |
| Blue Screen of Death | External | Passing Juice |
| 1 | Internal | Passing Juice |
| 2 | Internal | Passing Juice |
| 2025: Year in Review | Internal | Passing Juice |
| Year Review | Internal | Passing Juice |
| qt.ax/25r | External | Passing Juice |
| past | Internal | Passing Juice |
| three | Internal | Passing Juice |
| years | Internal | Passing Juice |
| BGP and operating my own autonomous system | Internal | Passing Juice |
| My homebrew CDN for this blog | Internal | Passing Juice |
| My home server | Internal | Passing Juice |
| My ADS-B feeder | Internal | Passing Juice |
| My coding projects | Internal | Passing Juice |
| My mechanical keyboard | Internal | Passing Juice |
| My travel router project | Internal | Passing Juice |
| My music hobby | Internal | Passing Juice |
| Joining your first Internet Exchange | Internal | Passing Juice |
| BGP | Internal | Passing Juice |
| qt.ax/jix | External | Passing Juice |
| announcing your very first route to the Internet via BGP | Internal | Passing Juice |
| Ontario Internet Exchange | External | Passing Juice |
| TorIX | External | Passing Juice |
| Hurricane Electric | External | Passing Juice |
| qt.ax/yfr | External | Passing Juice |
| what I wish I knew when I got my ASN | Internal | Passing Juice |
| ASN | External | Passing Juice |
| 1 | Internal | Passing Juice |
| 2 | Internal | Passing Juice |
| Building a global WireGuard mesh “backbone” network with OSPF | Internal | Passing Juice |
| Sysadmin | Internal | Passing Juice |
| qt.ax/gwb | External | Passing Juice |
| 1 | Internal | Passing Juice |
| Open Shortest Path First | External | Passing Juice |
| Dijkstra’s algorithm | External | Passing Juice |
| 2 | Internal | Passing Juice |
| 3 | Internal | Passing Juice |
| anycast | External | Passing Juice |
| backbone network | External | Passing Juice |
| Enabling highly available global anycast DNS modifications with Galera | Internal | Passing Juice |
| High availability | Internal | Passing Juice |
| qt.ax/grd | External | Passing Juice |
| Last time | Internal | Passing Juice |
| 1 | Internal | Passing Juice |
| Galera | External | Passing Juice |
| qt.ax/gad | External | Passing Juice |
| before | Internal | Passing Juice |
| Fast and cheap bulk storage: using LVM to cache HDDs on SSDs | Internal | Passing Juice |
| qt.ax/lch | External | Passing Juice |
| solid-state drives | External | Passing Juice |
| hard disk drives | External | Passing Juice |
| 1 | Internal | Passing Juice |
| solid-state hybrid drives | External | Passing Juice |
| ZFS | External | Passing Juice |
| the mirrors | Internal | Passing Juice |
| 2 | Internal | Passing Juice |
| Ollama | External | Passing Juice |
| mentioned previously | Internal | Passing Juice |
| Logical Volume Manager (LVM) | External | Passing Juice |
| RAID 1 | External | Passing Juice |
| mdadm | External | Passing Juice |
| On reusing old cases for NAS applications | Internal | Passing Juice |
| qt.ax/ocn | External | Passing Juice |
| Meshify 2 | External | Passing Juice |
| XL variant | External | Passing Juice |
| Antec 1200 | External | Passing Juice |
| Building a multi-network ADS-B feeder with a $20 dongle | Internal | Passing Juice |
| Electronics | Internal | Passing Juice |
| qt.ax/adsb | External | Passing Juice |
| Raspberry Pi 3 Model B | External | Passing Juice |
| did it with a serial port on my server instead | Internal | Passing Juice |
| Automatic Dependent Surveillance–Broadcast | External | Passing Juice |
| Flightradar24 | External | Passing Juice |
| FlightAware | External | Passing Juice |
| DVB-T | External | Passing Juice |
| software-defined radio | External | Passing Juice |
| 1 | Internal | Passing Juice |
| Older | Internal | Passing Juice |
| DMOJ | External | Passing Juice |
| Desktop | Internal | Passing Juice |
| Science | Internal | Passing Juice |
| Security | Internal | Passing Juice |
| 2026 | Internal | Passing Juice |
| 2025 | Internal | Passing Juice |
| 2024 | Internal | Passing Juice |
| 2023 | Internal | Passing Juice |
| 2022 | Internal | Passing Juice |
| 2021 | Internal | Passing Juice |
| 2020 | Internal | Passing Juice |
| 2019 | Internal | Passing Juice |
| 2018 | Internal | Passing Juice |
| 2017 | Internal | Passing Juice |
SEO Keywords
Keywords Cloud
server case ive all minutes read bgp building quantum more
Keywords Consistency
| Keyword | Content | Title | Keywords | Description | Headings |
|---|---|---|---|---|---|
| quantum | 14 |  |
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| more | 13 | |
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| ive | 12 | |
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| read | 11 | |
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| bgp | 11 | |
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Usability
Url
Domain : quantum5.ca
Length : 11
Favicon
Great, your website has a favicon.
Printability
We could not find a Print-Friendly CSS.
Language
Good. Your declared language is en.
Dublin Core
This page does not take advantage of Dublin Core.
Document
Doctype
HTML 5
Encoding
Perfect. Your declared charset is UTF-8.
W3C Validity
Errors : 0
Warnings : 0
Email Privacy
Great no email address has been found in plain text!
Deprecated HTML
Great! We haven't found deprecated HTML tags in your HTML.
Speed Tips
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Excellent, your website doesn't use nested tables. |
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Perfect. No inline css has been found in HTML tags! |
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Great, your website has few CSS files. |
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Perfect, your website has few JavaScript files. |
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Perfect, your website takes advantage of gzip. |
Mobile
Mobile Optimization
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Apple Icon |
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Meta Viewport Tag |
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Flash content |
Optimization
XML Sitemap
Great, your website has an XML sitemap.
| https://quantum5.ca/sitemap.xml |
Robots.txt
https://quantum5.ca/robots.txt
Great, your website has a robots.txt file.
Analytics
Great, your website has an analytics tool.
Google Analytics |
PageSpeed Insights
Device
Categories
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