Snap.berkeley.edu - SEO Checker

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Overview of the SEO Check
Meta information
94% 
Page quality
26% 
Page structure
68% 
Link structure
25% 
Server
11% 
External factors
100% 
SEO Score
Response time
1.69 s
File size
1,143.20 kB
Words
549
Media files
101
Number of links
223 internal / 5 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Snap! Build Your Own Blocks
The length of the page title is perfect. (263 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
The Snap! Community. Snap! is a blocks-based programming language built by UC Berkeley and used by hundreds of thousands of programmers around the world.
The meta description is too long: 1010 pixels from max. 1000 pixels. Optimize description
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)
This page is hosted on a subdomain. Use a top level domain for better SEO results.
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 character encoding is not specified in the HTTP header.
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
descriptionThe Snap! Community. Snap! is a blocks-based programming language built by UC Berkeley and used by hundreds of thousands of programmers around the world.
authorBernat Romagosa, Michael Ball, Jens Mönig, Brian Harvey, Jadge Hügle
snap-cloud-domainEmpty
viewportwidth=device-width, initial-scale=1
langen
charsetUTF-8

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Page quality

Content
(Critically important)
Some words from the page title are not used within the pages content
Only 1 paragraph/s was/were found on this page.
This page contains 549 words. That's ok.
26.4% of the text are stop words.
No placeholders texts or images were found.
There are no duplicates on the site.
The average number of words per sentence of 11 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
No Apple touch icon is specified.
The file size of the HTML document is very large (1143.2 kB).
A viewport "width=device-width, initial-scale=1" is provided.
Bold and strong tags
(Somewhat important)
The amount of tags is very high (93). We recommend using a maximum of 11 tags for this page.
The following tag is repeated too often: mattgig
Image SEO
(Somewhat important)
99 images have no alt attribute. The content of alt attributes is used by search engines.
Social Networks
(Nice to have)
There are only a few social sharing widgets on the page. Make your website popular in social networks with social sharing widgets.
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
/static/img/topbar-logo.pngNo alt attribute provided
/static/img/snapcon.pngNo alt attribute provided
/static/img/snap-byob.pngNo alt attribute provided
/static/img/lowfloor.pngNo alt attribute provided
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/static/img/ucb-logo-footer.pngUC Berkeley logo
/static/img/sap-logo-footer.pngSAP Logo

Page structure

H1 heading
(Critically important)
Welcome to Snap!
The H1 heading contains the words Welcome to! Use important keywords instead.
The H1 heading is too short (16 characters). It should be at least 20 Characters long.
Headings
(Important)
The heading structure is perfect.

Heading structure

Heading levelContent
H1 Welcome to Snap!
H2 Featured
H2 Topic of the Month: Turtle Geometry
H2 Simulations
H2 Maths
H2 Music
H2 About
H2 Learning
H2 Tools
H2 Support
H2 Legal
Some internal links have dynamic parameters. All internal URLs, which are not marked as nofollow, should not contain dynamic parameters.
Some anchor texts are used more than once.
The number of internal links is ok.
None of the anchor texts is too long.
There are 5 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://snap.berkeley.edu/No Text
/snap/snap.htmlNew window Subdomain Run Snap!
https://snap.berkeley.edu/exploreExplore
https://forum.snap.berkeley.edu/External Subdomain Forum
https://snap.berkeley.edu/sign_upJoin
https://snap.berkeley.edu/loginLog In
https://snapcon.org/External No Text
https://snap.berkeley.edu/snapRun Snap! Now
/examplesExample Projects
/snap/help/SnapManual.pdfReference Manual
/collection?username=snapcloud...Featured
A-TITLE Show all
/project?username=cameron8299&...Snake (see inside)
/user?username=cameron8299cameron8299
/project?username=mattgig&proj...chaos_game
/user?username=mattgigmattgig
/project?username=jens&project...Sierpinski Polygon
/user?username=jensjens
/project?username=bromagosa&pr...Harmonic Series - Random instrument
/user?username=bromagosabromagosa
/project?username=bh&projectna...mastermind-stream
/user?username=bhbh
/project?username=dan garcia&p...Gamesman AR for TicTacToe
/user?username=dan garciadan garcia
/project?username=dainialpadra...Snap!Hack
/user?username=dainialpadraigdainialpadraig
/project?username=taliayy&proj...Pokewan
/user?username=taliayytaliayy
/project?username=loucheman&pr...fireworks v1.0
/user?username=louchemanloucheman
/project?username=avi_shor&pro...test bezier 2.0
/user?username=avi_shoravi_shor
/project?username=avi_shor&pro...Digit & Letter Recognition
/user?username=avi_shorText duplicate avi_shor
/project?username=loucheman&pr...Bouncing shapes v1.0
/user?username=louchemanText duplicate loucheman
/project?username=kinestheticl...n-gramming_Mondrianizer
/user?username=kinestheticlear...kinestheticlearning
/project?username=avi_shor&pro...stamps
/user?username=avi_shorText duplicate avi_shor
/project?username=the_lucky13&...Midi Player and Visualizer
/user?username=the_lucky13the_lucky13
/project?username=dragonmyfles...The Pen Effect
/user?username=dragonmyfleshsnapdragonmyfleshsnap
/project?username=ten_6044&pro...FlatWave
/user?username=ten_6044ten_6044
/project?username=loucheman&pr...ant v1.1
/user?username=louchemanText duplicate loucheman
/project?username=timothymay&p...Snowstorm by Mr. May - 2023 project
/user?username=timothymaytimothymay
/project?username=jens&project...SnapGPT - English
/user?username=jensText duplicate jens
/collection?username=snapcloud...Topic of the Month: Turtle Geometry
A-TITLE Show all
/project?username=ethan7946&pr...wave
/user?username=ethan7946ethan7946
/project?username=mehone&proje...kaj fractal
/user?username=mehonemehone
/project?username=ethan7946&pr...main project
/user?username=ethan7946Text duplicate ethan7946
/project?username=gamebot65&pr...Simple Microphone Spectrum
/user?username=gamebot65gamebot65
/project?username=rainbowcorn&...Rainbow draw
/user?username=rainbowcornrainbowcorn
/project?username=vxgames&proj...3D Explore (Snapshot 2.34)- (rendered by RAYMOON)
/user?username=vxgamesvxgames
/project?username=rcmms1336&pr...Turtle Coloring
/user?username=rcmms1336rcmms1336
/project?username=arhimed25216...Bugs
/user?username=arhimed25216arhimed25216
/project?username=21je&project...Fractials
/user?username=21je21je
/project?username=gamer_boy-_-...something
/user?username=gamer_boy-_-gamer_boy-_-
/project?username=gamebot65&pr...Pen Wave
/user?username=gamebot65Text duplicate gamebot65
/project?username=mobility212&...messy art 0 to 359
/user?username=mobility212mobility212
/project?username=30vaz06&proj...eee
/user?username=30vaz0630vaz06
/project?username=triswfschool...Smiley Face Generator
/user?username=triswfschoolacc...triswfschoolaccount
/project?username=chriscreator...Literal Turtle Geometry
/user?username=chriscreators14...chriscreators14test
/project?username=thayes1287&p...Beutiful tree
/user?username=thayes1287thayes1287
/project?username=myprimerscra...Octagon!
/user?username=myprimerscratcher2myprimerscratcher2
/project?username=myprimerscra...Circle!
/user?username=myprimerscratcher2Text duplicate myprimerscratcher2
/project?username=olibhuj2&pro...repte 5
/user?username=olibhuj2olibhuj2
/project?username=myprimerscra...Square!
/user?username=myprimerscratcher2Text duplicate myprimerscratcher2
/collection?username=snapcloud...Simulations
A-TITLE Show all
/project?username=loucheman&pr...Text duplicate ant v1.1
/user?username=louchemanText duplicate loucheman
/project?username=codercole&pr...Conways Game of Life
/user?username=codercolecodercole
/project?username=alexis.emers...AlexisEmerson - FinalProject
/user?username=alexis.emersonalexis.emerson
/project?username=sqoosh&proje...Spring
/user?username=sqooshsqoosh
/project?username=deltav&proje...slightly buggy air hocky simulation
/user?username=deltavdeltav
/project?username=deltav&proje...moon rocket game
/user?username=deltavText duplicate deltav
/project?username=calculator&p...Moon Landing Sim
/user?username=calculatorcalculator
/project?username=sqoosh&proje...Fly Catcher
/user?username=sqooshText duplicate sqoosh
/project?username=sqoosh&proje...Fly Swarm
/user?username=sqooshText duplicate sqoosh
/project?username=miregio&proj...Caçant roses
/user?username=miregiomiregio
/project?username=cornelios207...solar system
/user?username=cornelios207cornelios207
/project?username=iloveusernam...Velocity Test
/user?username=iloveusernameiloveusername
/project?username=leeon.de&pro...damped vibration 2
/user?username=leeon.deleeon.de
/project?username=raulf&projec...Problema aniversaris Facebook
/user?username=raulfraulf
/project?username=matthew winc...BB-8 Simulation
/user?username=matthew winchellmatthew winchell
/project?username=caleb475&pro...Gravity Swing
/user?username=caleb475caleb475
/project?username=ohshima&proj...nbody
/user?username=ohshimaohshima
/project?username=adamantpengu...2D physics demo
/user?username=adamantpenguinadamantpenguin
/project?username=leeon.de&pro...navigator2.1
/user?username=leeon.deText duplicate leeon.de
/project?username=djeb_8059&pr...Contraction
/user?username=djeb_8059djeb_8059
/collection?username=snapcloud...Maths
A-TITLE Show all
/project?username=4rn4u&projec...corba de persecucio
/user?username=4rn4u4rn4u
/project?username=4rn4u&projec...Espiral dUlam clons
/user?username=4rn4uText duplicate 4rn4u
/project?username=cornelios207...Missing square illusion
/user?username=cornelios207Text duplicate cornelios207
/project?username=leeon.de&pro...Lissajous Interactive
/user?username=leeon.deText duplicate leeon.de
/project?username=loucheman&pr...Super Formula v1.4
/user?username=louchemanText duplicate loucheman
/project?username=phobos&proje...oriented polygons collision detection
/user?username=phobosphobos
/project?username=phobos&proje...oriented bodies collision detection (separate axis theorem)
/user?username=phobosText duplicate phobos
/project?username=raulf&projec...Kaprekar gràfic
/user?username=raulfText duplicate raulf
/project?username=bh&projectna...color tree
/user?username=bhText duplicate bh
/project?username=raulf&projec...Aproximacio de pi per Montecarlo
/user?username=raulfText duplicate raulf
/project?username=jancaspar&pr...Sin_Cos
/user?username=jancasparjancaspar
/project?username=taymoot&proj...Rotation to Sine Wave
/user?username=taymoottaymoot
/project?username=legoman3.14&...Fourier
/user?username=legoman3.14legoman3.14
/project?username=sayochi&proj...2D sine waves
/user?username=sayochisayochi
/project?username=welz&project...Mathe-Normalverteilung
/user?username=welzwelz
/project?username=kinestheticl...Frequency_based_on_x_position
/user?username=kinestheticlear...Text duplicate kinestheticlearning
/collection?username=snapcloud...Music
A-TITLE Show all
/project?username=ten_6044&pro...Electronic Music Generator
/user?username=ten_6044Text duplicate ten_6044
/project?username=ten_6044&pro...Text duplicate FlatWave
/user?username=ten_6044Text duplicate ten_6044
/project?username=nerdboy628&p...Bass Booster
/user?username=nerdboy628nerdboy628
/project?username=52525rr&proj...Midi player
/user?username=52525rr52525rr
/project?username=jorditobias&...caixa de música
/user?username=jorditobiasjorditobias
/project?username=jens&project...YLF Music Workshop
/user?username=jensText duplicate jens
/project?username=bones2&proje...Waveform Editor
/user?username=bones2bones2
/project?username=treblocj&pro...Rhythm Practice 1
/user?username=treblocjtreblocj
/project?username=danidanijr&p...Music Maker
/user?username=danidanijrdanidanijr
/project?username=gego51&proje...theme supercopter 2 amstrad
/user?username=gego51gego51
/project?username=jeffalo&proj...best project ever (not clickbait)
/user?username=jeffalojeffalo
/project?username=danidanijr&p...Spectrogram
/user?username=danidanijrText duplicate danidanijr
/project?username=pumpkinhead&...instruments
/user?username=pumpkinheadpumpkinhead
/project?username=mattgig&proj...polyphonic_several_instruments
/user?username=mattgigText duplicate mattgig
/project?username=hergro&proje...noten_player14
/user?username=hergrohergro
/project?username=wunder_wulfe...Composer Blocks
/user?username=wunder_wulfewunder_wulfe
/project?username=oscar robins...Chinese Dance Machine
/user?username=oscar robinsonoscar robinson
/collectionsExplore More Collections
https://snap.berkeley.edu/aboutAbout Snap!
https://snap.berkeley.edu/blogBlog
https://snap.berkeley.edu/creditsCredits
/partnersPartners
https://snap.berkeley.edu/sourceSource Code
/examplesText duplicate Example Projects
https://snap.berkeley.edu/eventsEvents
/all_totmsAll Topics of the Month
/snap/help/SnapManual.pdfNew window Text duplicate Reference Manual
/materialsMaterials
https://snap.berkeley.edu/bjcThe Beauty and Joy of Computing
/researchResearch
https://snapwiki.miraheze.org/External Subdomain Community Wiki
https://snap.berkeley.edu/offlineOffline Version
/extensionsExtensions
https://snap.berkeley.edu/snappSnapp!
/snapinatorSnapinator
https://smerge.org/External Smerge
/old_site/old-byob.htmlBYOB (old Snap!)
https://forum.snap.berkeley.edu/New window External Subdomain Text duplicate Forum
https://snap.berkeley.edu/contactContact Us
https://snap.berkeley.edu/mirrorsMirrors
https://snap.berkeley.edu/dmcaDMCA
https://snap.berkeley.edu/privacyPrivacy
https://snap.berkeley.edu/tosTerms of Service
/partnersSnap! is brought to you by UC Berkeley and SAP.
IMG-ALT UC Berkeley logo

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://snap.berkeley.edu/"
HTTP header
(Important)
The HTML page should be transferred using GZip compression.
The web server version is sent within the HTTP header.
No X-Powered HTTP header is sent.
Performance
(Somewhat important)
The page response time is very slow (1.69 seconds). The response time should be less than 0.4 seconds. Slow websites are bad for search engine bots and also result in bad user experience.
The file size of the HTML document is very large (1,143 kB).

HTTP Response Header

NameValue
serveropenresty/1.15.8.3
dateFri, 16 Aug 2024 01:51:33 GMT
content-typetext/html
set-cookie155 Characters
x-memory-cache-save1
strict-transport-securitymax-age=31536000
x-content-type-optionsnosniff
x-xss-protection1; mode=block
statuscode200
http_versionHTTP/2

External factors

Blacklists
(Nice to have)
This website is not classified "for adult only".
This page is referenced by wikipedia.
This website has excellent links from other websites.
This page has backlinks from 2,041 referring domains.
This page has 77,321 backlinks.
This page has backlinks from 1,629 different ip addresses.
Facebook popularity
(Somewhat important)
The page has 0 shares and comments on Facebook.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

No valid Robots.txt file was found.

Similar sites

Search preview

snap.berkeley.edu
Snap! Build Your Own Blocks
The Snap! Community. Snap! is a blocks-based programming language built by UC Berkeley and used by hundreds of thousands of programmers around the world.

Most important keywords

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

KeywordResultRecheck
Snap91%Check
UC Berkeley57%Check
Berkeley56%Check
Blocks54%Check
Welcome50%Check
Community46%Check
programming46%Check
language46%Check
Programming Language46%Check
game41%Check
Show more keywords and terms

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