Chromakode.com - SEO Checker

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Overview of the SEO Check
Meta information
80% 
Page quality
79% 
Page structure
95% 
Link structure
71% 
Server
100% 
External factors
100% 
SEO Score
Response time
0.17 s
File size
89.00 kB
Words
6191
Media files
36
Number of links
42 internal / 68 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
chromakode
The page title is too short. (111 pixels of 580 max pixel length) Optimize title
The page title is only one word.
There are no duplicate words in the title
Meta description
(Critically important)
Max Goodhart's personal journal and sketchbook.
The length of the meta description is perfect. (303 pixels out of 1000 max pixel length)
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
No canonical link is specified.
Language
(Somewhat important)
Language detected in text: en
Language defined in HTML: en
Server location: United States of America
The following language is defined by HTML: en
Alternate/Hreflang Links
(Somewhat important)
There are no alternate links specified on this page.
Other meta tags
(Somewhat important)
There is no rel next meta tag on this page.
There is no rel prev meta tag on this page.
Domain
(Somewhat important)
The domain is no subdomain.
The domain length is good.
The domain does not contain non-latin characters.
Page URL
(Somewhat important)
No parameters were found in the URL.
No session ID was found in the URL.
The URL does not have too many subdirectories.
Charset encoding
(Somewhat important)
The charset encoding (UTF-8) is set correctly.
Doctype
(Nice to have)
The doctype HTML 5 is set correctly.
The doctype is placed at first in the HTML code.
Favicon
(Nice to have)
The favicon is linked correctly.

Meta tags

NameValue
viewportwidth=device-width,initial-scale=1
generatorAstro v4.7.1
titlechromakode
descriptionMax Goodhart's personal journal and sketchbook.
astro-view-transitions-enabledtrue
astro-view-transitions-fallbackswap
langen
twitter:cardsummary_large_image
twitter:urlhttps://chromakode.com/
twitter:titlechromakode
twitter:descriptionMax Goodhart's personal journal and sketchbook.
twitter:imagehttps://chromakode.com/static/social.png
og:typewebsite
og:urlhttps://chromakode.com/
og:titlechromakode
og:descriptionMax Goodhart's personal journal and sketchbook.
og:imagehttps://chromakode.com/static/social.png
charsetutf-8

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Page quality

Content
(Critically important)
The content of this page is too large (6191 words). Maybe the content could be divided into several pages.
43.5% of the text are stop words.
Words from the H1 heading are used in the page content.
The page contains a listing, which indicates a good text layout.
117 paragraphs were found on this page.
No placeholders texts or images were found.
There are no duplicates on the site.
The average number of words per sentence of 18.32 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
No Apple touch icon is specified.
A viewport "width=device-width,initial-scale=1" is provided.
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 124 tags for this page.
Image SEO
(Somewhat important)
20 images have no alt attribute. The content of alt attributes is used by search engines.
Social Networks
(Nice to have)
This page is optimized perfectly for social networks.
Additional markup
(Nice to have)
No additional page markup was found.
HTTPS
(Somewhat important)
This website uses HTTPS to protect privacy and integrity of the exchanged data.
All included files are also transferred via HTTPS.

Media list

URLAlt attributeTitle
.../machine-zoomed-out.CzSXNpO2_1IN55v.webpNo alt attribute provided
/_astro/120-cropped.BYUb4yTC_25cgT7.webpNo alt attribute provided
/_astro/sunset.BhgbP97N_Z2fCw1b.webpNo alt attribute provided
/_astro/lky.DE7Bp_W0_Z1b4fbS.webpA slideshow of photos of me wearing sleep masks
...ear-contoured-eyes.Bi3RJwkD_Z28TM24.webpNo alt attribute provided
...alaskabear-contoured.C-NheAdt_YCfyj.webpA photo of me wearing an Alaska Bear Silk Contoured mask
...ro/tempurpedic-eyes.CX6oKpXh_1GY8h5.webpNo alt attribute provided
/_astro/tempurpedic.DJaXAOBD_39Yfj.webpA photo of me wearing a Tempur-Pedic sleep mask
/_astro/mantapro-eyes.Cg7F-HZE_sXhpc.webpNo alt attribute provided
/_astro/mantapro.Cw3ANaIq_1Rtwv2.webpA photo of me wearing a Manta PRO sleep mask
...skabear-2strap-eyes.D1GBXSBm_1mclwE.webpNo alt attribute provided
...o/alaskabear-2strap.C-hYlv9l_ZlctLm.webpA photo of me wearing an Alaska Bear 2 Strap sleep mask
...ro/bedtimebliss-eyes.BPI9iKAR_QM24S.webpNo alt attribute provided
/_astro/bedtimebliss.vEO1Nyiy_Z1D2AgO.webpA photo of me wearing a Bedtime Bliss sleep mask
...toured-2strap-eyes.BB9GEIKz_Z1jXcM2.webpNo alt attribute provided
...r-contoured-2strap.BpzQJWhm_Z1LRWlA.webpA photo of me wearing an Alaska Bear 2 Strap sleep mask
/_astro/lky-eyes.UA2mJP_K_Z1BCtl5.webpNo alt attribute provided
/_astro/lky.DE7Bp_W0_Z2mItcI.webpA photo of me wearing an LKY DIGITAL sleep mask
/_astro/bucky-eyes.CZjvIK4d_1aljgW.webpNo alt attribute provided
/_astro/bucky.CFvkHT6f_Z1XJkvJ.webpA photo of me wearing a Bucky 40 Blinks sleep mask
...bbf6-758f67533faa/thumbnail_837890d0.jpgNo alt attribute provided
/post/xkcd-machine/blueballfixed.gifA classic internet GIF animation of blue colored balls moving around a complicated rube goldberg machine mechanism
/_astro/lorenz.96AGGFTM_Z2iKvi4.webpScreenshot of comic #1350, "Lorenz"
...-edition-7828-4530.Bps98TwS_Z1EIMOB.webpScreenshot of comic #2288, "Collector's Edition"
...d78-47b9-8853-191a2a28f075/thumbnail.jpgNo alt attribute provided
...93b-47d4-aef8-e8dac0c65f55/thumbnail.jpgNo alt attribute provided
/_astro/ball-expiry.EOhkT2a5_ZPE0Oq.webpScreenshot of Machine with a tutorial popup reading "For security reasons, balls that remain in your device for mosre than 30 seconds will be removed and destroyed."
...fba-4c00-ab49-ef34670bbfcd/thumbnail.jpgNo alt attribute provided
...e39-4d4a-834f-1f7997c57002/thumbnail.jpgNo alt attribute provided
...3a6-4149-8b12-9461f827d16e/thumbnail.jpgNo alt attribute provided
...edc-482c-84c1-d14ffcd2f3cb/thumbnail.jpgNo alt attribute provided
...b41-4607-9a44-eea326332a42/thumbnail.jpgNo alt attribute provided
...b62-44f2-b1fb-98ccca87e938/thumbnail.jpgNo alt attribute provided
https://chromakode.com/static/astro.svgAstro
https://chromakode.com/static/github.svgGithub
https://chromakode.com/static/mastodon.svgMastodon

Page structure

H1 heading
(Critically important)
Hey, I'm Max.
The H1 heading is too short (13 characters). It should be at least 20 Characters long.
Headings
(Important)
The heading structure is perfect.

Heading structure

Heading levelContent
H1 Hey, I'm Max.
H1 An uncompromising guide to sleep masks (for side-sleepers)
H1 Development notes from xkcd's "Machine"
H2 This is my journal and sketchbook.
H2 What makes a great side sleeping mask
H2 My favorite mask: Alaska Bear Silk Contoured Sleep Mask
H2 Tempur-Pedic Sleep Mask
H2 Manta PRO Sleep Mask
H2 Alaska Bear 2 Strap Sleep Mask
H2 Bedtime Bliss Sleep Mask
H2 Alaska Bear 2 Strap Contoured Sleep Mask
H2 LKY DIGITAL “Sleep Mask for Side Sleeper” (lol)
H2 Bucky “40 Blinks” Sleep Mask
H2 Final remarks
H2 Footnotes
H2 Early machinations
H2 Learning from previous attempts
H2 Designing constraints
H2 Simulation and hyperreality
H2 Rendering thousands of balls with React and DOM
H2 API and Moderation
H2 A note of appreciation for the “Jamslunt Interfoggle”
H3 1. Maximize player expressiveness at the cost of correctness.
H3 2. Give players firm constraints that encourage resilient, interchangeable machines.
H3 3. Machines should reach a steady state in the first 30 seconds.
Some internal link anchor texts are too long.
Some anchor texts are used more than once.
The number of internal links is ok.
All internal links are not using dynamic parameters.
There are too many external links (68) on this page.

Found links on this page

LinkAttributesAnchor text
https://chromakode.com/A-TITLE Home
/post/xkcd-machineDevelopment notes from xkcd's "Machine" How we designed xkcd's massive rube goldberg machine game in 3 weeks.
A-TITLE Development notes from xkcd's "Machine"
https://chromakode.com/post/shapeShape In my late teens, I kept a daily art journal. Here's how I built it, and why it remains one of my favorite projects.
A-TITLE Shape
/post/practicing-urgencyPracticing urgency This year, a health scare reordered my priorities. Here's what it taught me about how to make the most of my time.
A-TITLE Practicing urgency
/post/sleep-maskssleep-masks
https://chromakode.com/Anchor 1
https://chromakode.com/Anchor 2
https://a.co/d/0d6RBmOJExternal Alaska Bear Silk Contoured Sleep Mask
https://chromakode.com/Anchor reviewed below
https://a.co/d/00Mrn9dYExternal Tempur-Pedic Sleep Mask
https://www.reddit.com/r/BuyIt...External Subdomain many
https://www.reddit.com/r/BuyIt...External Subdomain folks
https://www.reddit.com/r/oneba...External Subdomain swear
https://mantasleep.com/product...External Manta PRO Sleep Mask
https://a.co/d/01K3cR3VExternal Alaska Bear 2 Strap Sleep Mask
https://chromakode.com/Anchor contoured silk mask
https://a.co/d/0jimWTg0External Bedtime Bliss Sleep Mask
https://a.co/d/07fhUYUuExternal Alaska Bear 2 Strap Contoured Sleep Mask
https://a.co/d/08L8gB3xExternal LKY DIGITAL “Sleep Mask for Side Sleeper”
https://a.co/d/0htBP4MBExternal Bucky “40 Blinks” Sleep Mask
https://a.co/d/0e5uIB52External “Ultralight” sleep mask
https://a.co/d/08L8gB3xExternal LKY DIGITAL mask
https://mastodon.social/@chrom...External Mastodon
https://a.co/d/0d6RBmOJExternal Alaska Bear Silk Contoured
https://a.co/d/01K3cR3VExternal Alaska Bear 2 Strap Silk
https://a.co/d/0jimWTg0External Bedtime Bliss
https://tildes.net/~health/1he...External further discussion on Tildes
https://chromakode.com/Anchor ↩
https://en.wiktionary.org/wiki...External Subdomain YMMV
https://chromakode.com/Anchor Text duplicate ↩
/post/xkcd-machinexkcd-machine
https://xkcd.com/2916/External Machine
https://en.wikipedia.org/wiki/...External Subdomain rube goldberg machine
https://en.wikipedia.org/wiki/...External Subdomain Incredible Machine
https://www.explainxkcd.com/wi...External Subdomain Explain xkcd’s wonderful writeup
https://github.com/spyhiExternal Ed White
https://twitter.com/uh_oh_that...External Alex Garcia
https://twitter.com/cotroneExternal Kevin Cotrone
http://burningcandle.io/External Conor Stokes
https://liranuna.com/External Liran Nuna
https://github.com/benleyExternal Benjamin Staffin
https://manishearth.github.io/External Subdomain Manish Goregaokar
https://www.instagram.com/fadi...External Subdomain Patrick
https://github.com/ayustExternal Amber
https://github.com/dyfrgiExternal Michael Leuchtenburg
https://blueballfixed.ytmnd.com/External Subdomain classic viral GIF from 2005
https://ytmnd-fads.fandom.com/...External Subdomain composed of tiles made by Something Awful users
https://xkcd.com/1350External Lorenz
https://en.wikipedia.org/wiki/...External Subdomain exquisite corpse
https://xkcd.com/1350External IMG-ALT Screenshot of comic #1350, "Lorenz"
https://xkcd.com/2288External Collector’s Edition
https://xkcd.com/2288External IMG-ALT Screenshot of comic #2288, "Collector's Edition"
https://en.wikipedia.org/wiki/...External Subdomain double pendulums
https://en.wikipedia.org/wiki/...External Subdomain Robustness principle
https://github.com/xkcd/incred...External Anchor map generator
https://en.wikipedia.org/wiki/...External Subdomain chaos tested
https://xkcd.com/2916External scrolling around the comic
https://en.wikipedia.org/wiki/...External Subdomain hyperreal
https://rapier.rs/External Rapier
https://rapier.rs/docs/user_gu...External determinism guarantees
https://react.dev/learn/passin...External React context
https://github.com/xkcd/incred...External <PhysicsContext>
https://en.wikipedia.org/wiki/...External Subdomain scene graph
https://github.com/pmndrs/reac...External react-three-rapier
https://pixijs.com/External PixiJS
https://github.com/xkcd/incred...External Anchor optimized renderer
https://openapi-ts.pages.dev/o...External Subdomain OpenAPI fetch
https://tanstack.com/query/latestExternal TanStack Query
https://github.com/spyhiExternal Text duplicate Ed White
https://github.com/xkcd/incred...External interestingness score
https://xkcd.com/2916/External Anchor Jamslunt Interfoggle
https://xkcd.com/2916/External Anchor Bouncy
https://xkcd.com/2916External add your own design
https://github.com/xkcd/incred...External source code of Machine here
https://mastodon.social/@chrom...External drop me a line on Mastodon
/post/xkcd-gravity-escape-speedspace exploration games
/post/checkboxMorse Code April Fool’s comic
https://chromakode.com/‹ Previous Page
https://chromakode.com/2Next Page ›
/post/sleep-masksAn uncompromising guide to sleep masks (for side-sleepers)
A-TITLE An uncompromising guide to sleep masks (for side-sleepers)
/post/xkcd-machineDevelopment notes from xkcd's "Machine"
A-TITLE Development notes from xkcd's "Machine"
/post/coalesce-dev-diary-first...Coalesce dev diary: first post
A-TITLE Coalesce dev diary: first post
/post/sharing-early-workSharing early work is not a distraction
A-TITLE Sharing early work is not a distraction
/post/astro-view-transitionsAstro View Transitions
A-TITLE Astro View Transitions
/post/zfs-recovery-with-zreplDisaster recovery with ZFS and zrepl
A-TITLE Disaster recovery with ZFS and zrepl
/post/xkcd-gravity-escape-speedDevelopment notes from xkcd's "Gravity" and "Escape Speed"
A-TITLE Development notes from xkcd's "Gravity" and "Escape Speed"
https://chromakode.com/post/shapeShape
A-TITLE Shape
/post/the-rise-of-self-hosted-...The rise of self-hosted apps
A-TITLE The rise of self-hosted apps
/post/practicing-urgencyPracticing urgency
A-TITLE Practicing urgency
/post/pulsatile-tinnitus-soundsSynthesizing what my Pulsatile Tinnitus sounds like
A-TITLE Synthesizing what my Pulsatile Tinnitus sounds like
/post/brain-holograms-with-ble...Brain holograms with Blender and Looking Glass
A-TITLE Brain holograms with Blender and Looking Glass
https://chromakode.com/post/astroFirst impressions using Astro
A-TITLE First impressions using Astro
/post/checkboxCheckbox
A-TITLE Checkbox
/post/slow-newsSlow news
A-TITLE Slow news
/post/isolated-coreIsolated Core
A-TITLE Isolated Core
/post/18-years-in-8-hoursBacking up 18 years in 8 hours
A-TITLE Backing up 18 years in 8 hours
/post/react-utf8A character encoding gotcha with React
A-TITLE A character encoding gotcha with React
/post/myo-experimentsFun with the Myo gesture controller
A-TITLE Fun with the Myo gesture controller
/post/amazon-instant-video-tabletRunning Amazon Instant Video on Android tablets
A-TITLE Running Amazon Instant Video on Android tablets
/post/notes-on-xkcd-pixelsNotes from the development of xkcd's "Pixels"
A-TITLE Notes from the development of xkcd's "Pixels"
/post/aptitude-whyaptitude why
A-TITLE aptitude why
https://chromakode.com/post/leapsLeaps
A-TITLE Leaps
/post/deja-dup-s3-hangsFixing hanging deja-dup S3 uploads
A-TITLE Fixing hanging deja-dup S3 uploads
/post/imaging-a-linodeDownloading an image of a Linode drive
A-TITLE Downloading an image of a Linode drive
/post/saltstack-ssh-contents-p...A hacky workaround for empty contents_pillar in salt-ssh
A-TITLE A hacky workaround for empty contents_pillar in salt-ssh
https://github.com/chromakode/...New window External Creative Commons BY-SA 4.0
https://github.com/chromakode/...New window External Source code
https://astro.build/New window External IMG-ALT Astro
https://github.com/chromakodeNew window External IMG-ALT Github
https://mastodon.social/@chrom...New window External Text duplicate IMG-ALT Mastodon

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://chromakode.com/"
HTTP header
(Important)
No X-Powered HTTP header is sent.
The web server transmits the web page (HTML) in compressed form.
Performance
(Somewhat important)
The page response time is excellent with 0.17 seconds.
The file size of the HTML document is fine (89 kB).

HTTP Response Header

NameValue
accept-rangesbytes
age0
cache-controlpublic,max-age=0,must-revalidate
cache-status"Netlify Edge"; fwd=miss
content-encodingbr
content-typetext/html; charset=UTF-8
dateWed, 26 Mar 2025 04:24:55 GMT
etag"c7965c50449a75cccf7ab6f2e590db1d-ssl-df"
serverNetlify
strict-transport-securitymax-age=31536000
varyAccept-Encoding
x-nf-request-id01JQ8B4EAA157BY08XGJ8ZR6JR
statuscode200
http_versionHTTP/2

External factors

This website has excellent links from other websites.
This page has backlinks from 250 referring domains.
This page has 2,956 backlinks.
This page has backlinks from 215 different ip addresses.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

User-agent: *
Disallow:
Sitemap: https://chromakode.com/sitemap-index.xml

Similar sites

Search preview

chromakode.com
chromakode
Max Goodhart's personal journal and sketchbook.

Most important keywords

Following keywords were found. You can check the keyword optimization of this page for each keyword.

KeywordResultRecheck
Machine51%Check
strap51%Check
Alaska Bear Strap48%Check
side47%Check
side sleeping47%Check
Alaska Bear Silk47%Check
Alaska Bear Silk Contoured47%Check
contoured masks47%Check
Contoured46%Check
Alaska46%Check
Show more keywords and terms

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