Onecompiler.com - SEO Checker

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Overview of the SEO Check
Meta information
61% 
Page quality
44% 
Page structure
79% 
Link structure
100% 
Server
100% 
External factors
100% 
SEO Score
Response time
0.24 s
File size
49.50 kB
Words
198
Media files
59
Number of links
22 internal / 1 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
OneCompiler - Write, run and share code online | Free online compiler with 100+ languages and databases
The page title should be shorter than 580 pixels. It is 957 pixels long. Optimize title
There are word repetitions in the page title.
Meta description
(Critically important)
The meta description is missing.
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
langen
charsetutf-8

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Page quality

Content
(Critically important)
There are only 198 words on this page. Use at least 250 words to provide useful information.
Some words from the page title are not used within the pages content
30.3% of the text are stop words.
4 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 20.25 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 6 tags for this page.
Image SEO
(Somewhat important)
18 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
...ler.com/images/logo/oc_logo_v4_light.svgOneCompiler
...iler.com/images/logo/oc_logo_v4_dark.svgOneCompiler
/images/logos/html5.svgHTML
/images/logos/python.svgPython
/images/logos/javascript.svgJavaScript
/images/logos/java.svgJava
/images/logos/mysql.svgMySQL
https://onecompiler.com/images/logos/c2.svgC
/images/logos/cpp.svgC++
/images/logos/php.svgPHP
/images/logos/csharp.svgC#
/images/logos/assembly.svgAssembly
/images/logos/lua.svgLua
/images/logos/oracle.pngOracle PL/SQL
/images/logos/node-js.pngNodeJS
/images/logos/mongodb.svgMongoDB
/images/logos/groovy.svgGroovy
/images/logos/react.pngReact
/images/logos/postgresql.svgPostgreSQL
/images/logos/ruby.svgRuby
/images/logos/companies/microsoft.svgMicrosoft
/images/logos/companies/meta.svgMeta
/images/logos/companies/nvidia.svgNvidia
/images/logos/companies/stripe.svgStripe
/images/logos/companies/perplexity.pngPerplexity
/images/logos/companies/samsung.svgSamsung
/images/logos/companies/amazon.svgAmazon
/images/logos/companies/google.svgGoogle
/images/logos/companies/ibm.svgIBM
/images/logos/companies/walmart.svgWalMart
/images/logos/companies/intel.svgIntel
/images/logos/companies/paypal.svgPaypal
/images/logos/companies/harvard.svgHarvard
/images/logos/companies/princeton.pngPrinceton
/images/logos/companies/mit.svgMIT
/images/logos/companies/yale.svgYale
/images/logos/companies/stanford.svgStanford
/images/logos/companies/cam.svgcam
/images/logos/customers/bluesky.svgNo alt attribute provided
/images/logos/customers/quickrecruit.pngNo alt attribute provided
/images/logos/customers/odin.svgNo alt attribute provided
/images/logos/customers/good_talent.pngNo alt attribute provided
/images/logos/customers/whizlabs.pngNo alt attribute provided
/images/logos/customers/rigi.svgNo alt attribute provided
/images/logos/customers/hkr.svgNo alt attribute provided
/images/logos/customers/ezyhire.pngNo alt attribute provided
/images/logos/customers/digikull.pngNo alt attribute provided
/images/logos/customers/metaopt.svgNo alt attribute provided
/images/logos/customers/volopay.pngNo alt attribute provided
/images/logos/customers/returngo.svgNo alt attribute provided
/images/logos/customers/skillwill2.pngNo alt attribute provided
/images/logos/customers/hire3x.svgNo alt attribute provided
/images/logos/customers/veroskills.svgNo alt attribute provided
/images/logos/customers/thealphadev.pngNo alt attribute provided
/images/logos/customers/workera8.pngNo alt attribute provided
/images/logos/customers/iscale2.pngNo alt attribute provided
...er.com/images/misc/dashboard_s7keup3.svgYour team's private space with collaboration
...blic/mobile-addons/play-store_b7qmtd.pngGet in on Play Market
...com/images/misc/relax-in-sofa_hlmkup.svgcode from anywhere

Page structure

H1 heading
(Critically important)
There is no H1 heading specified.
Headings
(Important)
The structure of headings is missing one or more levels. Do not skip heading levels.

Heading structure

Heading levelContent
H2 Code online with One Compiler.
H3 Now available onGoogle Play
H4 APIs, Editor embedding & more
H4 Orgs & Teams
H5 Users from world's top companies and schools
H5 100+ customers across the globe trust us
H5 Your team's private space with collaboration
H6 + thousands of other companies and schools
H6 Embed Editor & Challenges
H6 APIs to run code
H6 Custom workflows
The number of internal links is ok.
Every linktext is unique.
None of the anchor texts is too long.
All internal links are not using dynamic parameters.
There are 1 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://onecompiler.com/IMG-ALT OneCompiler
https://onecompiler.com/pricingPricing
https://onecompiler.com/htmlHTML
IMG-ALT HTML
https://onecompiler.com/pythonPython
IMG-ALT Python
/javascriptJavaScript
IMG-ALT JavaScript
https://onecompiler.com/javaJava
IMG-ALT Java
https://onecompiler.com/mysqlMySQL
IMG-ALT MySQL
https://onecompiler.com/cC
IMG-ALT C
https://onecompiler.com/cppC++
IMG-ALT C++
https://onecompiler.com/phpPHP
IMG-ALT PHP
https://onecompiler.com/csharpC#
IMG-ALT C#
https://onecompiler.com/assemblyAssembly
IMG-ALT Assembly
https://onecompiler.com/luaLua
IMG-ALT Lua
https://onecompiler.com/plsqlPL/SQL
IMG-ALT Oracle PL/SQL
https://onecompiler.com/nodejsNodeJS
IMG-ALT NodeJS
https://onecompiler.com/mongodbMongoDB
IMG-ALT MongoDB
https://onecompiler.com/groovyGroovy
IMG-ALT Groovy
https://onecompiler.com/reactReact
IMG-ALT React
/postgresqlPostgreSQL
IMG-ALT PostgreSQL
https://onecompiler.com/rubyRuby
IMG-ALT Ruby
https://onecompiler.com/apisRead API Documentation
https://onecompiler.com/orgsLearn more
https://play.google.com/store/...External Subdomain IMG-ALT Get in on Play Market

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://onecompiler.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 0.24 seconds.
The file size of the HTML document is fine (50 kB).

HTTP Response Header

NameValue
dateSun, 10 May 2026 10:42:21 GMT
content-typetext/html; charset=utf-8
servercloudflare
nel{"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
varyrsc, next-router-state-tree, next-router-prefetch, next-router-segment-prefetch, Accept-Encoding
x-nextjs-cacheHIT
x-nextjs-prerender1
x-nextjs-stale-time300
cache-controls-maxage=31536000
report-to{"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=0zkVDRMCP0fPsz6BaAxkqNQs7H4X8zoELdnR%2BbAC9MfFb1AwNojHJOsKZm9tY2P7i7y1%2FGzloOippQORnguTRnspXtA%2BVmUamTK25eIekzVFAc7hlfmc9FaInbH5FVYuhJE%3D"}]}
cf-cache-statusDYNAMIC
content-encodingzstd
cf-ray9f9856356fdf927a-FRA
alt-svch3=":443"; ma=86400
statuscode200
http_versionHTTP/2

External factors

This website has excellent links from other websites.
This page has backlinks from 380 referring domains.
This page has 2,645 backlinks.
This page has backlinks from 257 different ip addresses.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

# Allow all robots complete access
User-agent: *
Disallow:

# Sitemap location
Sitemap: https://onecompiler.com/sitemap.xml

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Search preview

Most important keywords

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

KeywordResultRecheck
Compiler70%Check
One70%Check
Code61%Check
Code online59%Check
run code59%Check
run55%Check
online53%Check
write51%Check
companies49%Check
APIs47%Check
Show more keywords and terms

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