Devdocs.io DevDocs API Documentation

Fast, offline, and free documentation browser for developers. Search 100+ docs in one web app: HTML, CSS, JavaScript, PHP, Ruby, Python, Go, C, C++…

Devdocs.io Overview

When it comes to web design, DevDocs.io is a website built specifically for developers. This website provides fast, offline, and free documentation browsing options to its users. DevDocs.io hosts over a hundred different documentation resources, including HTML, CSS, JavaScript, PHP, Ruby, Python, Go, C, and C++, making it an all-in-one web application for developers.

The homepage of the website is simple and intuitive; it has a basic search bar in the middle of the page where users can search for keywords in the documentation. Above the search bar, there is a navigation bar that has different documentations arranged on the basis of programming languages. Users can use this navigation bar to filter the documentation based on the programming languages.

Furthermore, DevDocs’ website is hosted by Cloudflare, which is known for offering reliable and fast hosting infrastructures; this ensures the website has great uptime and fast load times. The website also has a SSL certificate issued by Cloudflare, which ensures users' information is always secure when browsing the website.

When it comes to website traffic, DevDocs.io attracts over 9079 unique users per day and over 15434.3 pageviews, which is a considerable number for a website offering API documentation services. Additionally, the website has a value of 271560 US dollars, suggesting it is a well-performing website generating significant revenue.

From our observation, DevDocs.io is family-friendly, as it only provides technical information relevant to developers.

Regarding PageSpeed Insights scores, DevDocs.io happens to have a score of 68. This score implies that though the website delivers its services at a fair speed, there may be some areas in which speed optimization may be optimal. That being said, this score is not too detrimental to the user experience since the website is optimized enough to meet the needs of users.

In conclusion, DevDocs.io is an excellent resource for developers. It provides a clean and intuitive user interface, reliable hosting, and fast load times. With its wide range of API documentation, it remains a valuable and resourceful tool for developers.

Devdocs.io Rank Summary

Global Rank

44,454

Average Load Time

1.37sec

Links In Count

540

Website Value

$271,560

Audience Geography. Where are devdocs.io visitors located?

Country	Visitors
China CN	22.7%
United States US	14%
India IN	7.2%
Nigeria NG	6.2%
France FR	6%
Canada CA	3.6%
Iran IR	3.6%
Brazil BR	2.6%
Sudan SD	2.4%
Other	31.5%

Country	Pageviews
United States US	18.9%
China CN	16.7%
India IN	8.6%
Iran IR	6.2%
France FR	5.7%
Nigeria NG	5.5%
Sudan SD	5%
Canada CA	2.5%
Brazil BR	2.4%
Other	28.6%

Country	Rank
Sudan SD	3964
Nigeria NG	4179
Ethiopia ET	4393
Morocco MA	12857
Algeria DZ	19427
China CN	20401
France FR	20630
Thailand TH	20988
Iran IR	22071
Viet Nam VN	22456
Canada CA	22577
Czech Republic CZ	24956

Where do visitors go on devdocs.io?

Subdomain	Pageviews
devdocs.io	100%

Subdomain	Pageviews per User
devdocs.io	1.7

Subdomain	Reach
devdocs.io	100%

How popular is devdocs.io?

Period	Global Rank	Global Rank Delta
past 3 months	44454	-7758
past month	46754	211
past week	54872	2954
yesterday	67047	29652

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	66074	-15412	9	30%	1.7	20%
30	70050	-2007	85	2%	1.7	5%
7	90811	11127	64	-13.77%	1.4	-13.58%
1	106331	37345	56	-40.36%	1.5	20%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	38930	-5185	20	10%
30	40950	1049	19	-2.58%
7	45730	427	17	-0.33%
1	58958	29120	13	-50.785%

Devdocs.io Website Safety

Overview

Last Updated: 04/04/2025

Overall result - devdocs.io is safe.

We gather website safety and reputation data and compare it with available third-party sources so we calculate own safety and trustworthiness rate based on information that we get.

Norton Connect Safe

Last Updated: 03/21/2025

devdocs.io is safe.

Norton ConnectSafe evaluates devdocs.io for any unsafe and insecure content. The results are critical for families with young children.

Google Safe Search

Last Updated: 10/15/2016

devdocs.io is safe.

SafeSearch is used as a parental control tool to filter out any inappropriate for your children search results on your devices: phones, tablets or personal computers.

Google Safe Browsing

Last Updated: 01/09/2019

devdocs.io is safe.
Malware: not found.
Phishing: not detected.
Unwanted software: not found.
Harmfull applications: not found.

Google Safe Browsing notifies when websites are compromised by malicious actors. These protections work across Google products and provide a safer online experience.

Site Advisor

Last Updated: 02/22/2021

devdocs.io is safe.

McAfee assesses devdocs.io for a meaningful set of security threats. Featured dangers from annoying pop-ups to hidden Trojans, that can steal your identity, will be revealed. McAfee does not analyze devdocs.io for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Last Updated: 01/09/2019

devdocs.io child safety is very good.

The WOT calculates reputation of the devdocs.io. This reputation system receives ratings from users and information from third-party sources, assesses the devdocs.io for safety features and confirms, whether devdocs.io is suitable for children.

SSL Information

SSL Checker Tool

Domain	devdocs.io
Issuer Organization	Google Trust Services
Issuer	WE1
Algorithm	ecdsa-with-SHA256
Valid form	09/23/2024
Expiration	12/22/2024
Signed	Certificate is not self signed
Additional Domains	devdocs.io *.devdocs.io

Devdocs.io Rank History

Alexa Rank shows how popular devdocs.io is in comparison with other sites. The most popular site has Alexa Rank equals 1. If devdocs.io has Alexa Rank equals 100,000, then it is in TOP 100,000 popular sites in the world. The rank is calculated using a combination of average daily visitors to devdocs.io and pageviews on devdocs.io over the past 3 months.

Devdocs.io Hosting Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 13335

ASN Title: CLOUDFLARENET - Cloudflare, Inc., US

Last Update: 07/18/2024

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/whois_tou.html
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/whois_reporting/index.html
#
# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#

ASNumber: 13335
ASName: CLOUDFLARENET
ASHandle: AS13335
RegDate: 2010-07-14
Updated: 2017-02-17
Comment: All Cloudflare abuse reporting can be done via https://www.cloudflare.com/abuse
Ref: https://rdap.arin.net/registry/autnum/13335

OrgName: Cloudflare, Inc.
OrgId: CLOUD14
Address: 101 Townsend Street
City: San Francisco
StateProv: CA
PostalCode: 94107
Country: US
RegDate: 2010-07-09
Updated: 2017-02-17
Comment: All Cloudflare abuse reporting can be done via https://www.cloudflare.com/abuse
Ref: https://rdap.arin.net/registry/entity/CLOUD14

OrgTechHandle: ADMIN2521-ARIN
OrgTechName: Admin
OrgTechPhone: +1-650-319-8930
OrgTechEmail: rir@cloudflare.com
OrgTechRef: https://rdap.arin.net/registry/entity/ADMIN2521-ARIN

OrgAbuseHandle: ABUSE2916-ARIN
OrgAbuseName: Abuse
OrgAbusePhone: +1-650-319-8930
OrgAbuseEmail: abuse@cloudflare.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE2916-ARIN

OrgNOCHandle: NOC11962-ARIN
OrgNOCName: NOC
OrgNOCPhone: +1-650-319-8930
OrgNOCEmail: noc@cloudflare.com
OrgNOCRef: https://rdap.arin.net/registry/entity/NOC11962-ARIN

RNOCHandle: NOC11962-ARIN
RNOCName: NOC
RNOCPhone: +1-650-319-8930
RNOCEmail: noc@cloudflare.com
RNOCRef: https://rdap.arin.net/registry/entity/NOC11962-ARIN

RTechHandle: ADMIN2521-ARIN
RTechName: Admin
RTechPhone: +1-650-319-8930
RTechEmail: rir@cloudflare.com
RTechRef: https://rdap.arin.net/registry/entity/ADMIN2521-ARIN

RAbuseHandle: ABUSE2916-ARIN
RAbuseName: Abuse
RAbusePhone: +1-650-319-8930
RAbuseEmail: abuse@cloudflare.com
RAbuseRef: https://rdap.arin.net/registry/entity/ABUSE2916-ARIN

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/whois_tou.html
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/whois_reporting/index.html
#
# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#

Devdocs.io Domain Registration and Settings

WHOIS

WHOIS Lookup Tool

Domain Name: devdocs.io
Registry Domain ID: b43bfe944cce4a8b97ef0219b8c598b7-DONUTS
Registrar WHOIS Server: whois.rrpproxy.net
Registrar URL: http://key-systems.net
Updated Date: 2024-07-14T10:24:39Z
Creation Date: 2013-05-30T10:24:38Z
Registry Expiry Date: 2025-05-30T10:24:38Z
Registrar: Key-Systems GmbH
Registrar IANA ID: 269
Registrar Abuse Contact Email: abuse@key-systems.net
Registrar Abuse Contact Phone: +49 6894 9396 850
Domain Status: clientDeleteProhibited https://icann.org/epp#clientDeleteProhibited
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Registry Registrant ID: REDACTED FOR PRIVACY
Registrant Name: REDACTED FOR PRIVACY
Registrant Organization: c/o whoisproxy.com
Registrant Street: REDACTED FOR PRIVACY
Registrant City: REDACTED FOR PRIVACY
Registrant State/Province: VA
Registrant Postal Code: REDACTED FOR PRIVACY
Registrant Country: US
Registrant Phone: REDACTED FOR PRIVACY
Registrant Phone Ext: REDACTED FOR PRIVACY
Registrant Fax: REDACTED FOR PRIVACY
Registrant Fax Ext: REDACTED FOR PRIVACY
Registrant Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Registry Admin ID: REDACTED FOR PRIVACY
Admin Name: REDACTED FOR PRIVACY
Admin Organization: REDACTED FOR PRIVACY
Admin Street: REDACTED FOR PRIVACY
Admin City: REDACTED FOR PRIVACY
Admin State/Province: REDACTED FOR PRIVACY
Admin Postal Code: REDACTED FOR PRIVACY
Admin Country: REDACTED FOR PRIVACY
Admin Phone: REDACTED FOR PRIVACY
Admin Phone Ext: REDACTED FOR PRIVACY
Admin Fax: REDACTED FOR PRIVACY
Admin Fax Ext: REDACTED FOR PRIVACY
Admin Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Registry Tech ID: REDACTED FOR PRIVACY
Tech Name: REDACTED FOR PRIVACY
Tech Organization: REDACTED FOR PRIVACY
Tech Street: REDACTED FOR PRIVACY
Tech City: REDACTED FOR PRIVACY
Tech State/Province: REDACTED FOR PRIVACY
Tech Postal Code: REDACTED FOR PRIVACY
Tech Country: REDACTED FOR PRIVACY
Tech Phone: REDACTED FOR PRIVACY
Tech Phone Ext: REDACTED FOR PRIVACY
Tech Fax: REDACTED FOR PRIVACY
Tech Fax Ext: REDACTED FOR PRIVACY
Tech Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Name Server: anna.ns.cloudflare.com
Name Server: cash.ns.cloudflare.com
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of WHOIS database: 2024-09-13T08:05:37Z

DNS Records

DNS Lookup Tool

Host	A Record	TTL
devdocs.io	104.21.59.58	300
devdocs.io	172.67.215.34	300

Host	MX Record	Priority	TTL
devdocs.io	spool.mail.gandi.net	10	300
devdocs.io	fb.mail.gandi.net	50	300

Host	NS Record	TTL
devdocs.io	anna.ns.cloudflare.com	86400
devdocs.io	cash.ns.cloudflare.com	86400

Host	TXT Record	TTL
devdocs.io	google-site-verification=3ooO6o-8qfjd6kmElDbVWIli0JRa0Mlen3WZP3uUKkk	300
devdocs.io	v=spf1 include:_mailcust.gandi.net ?all	300

anna.ns.cloudflare.com
TTL: 1800
Email address: dns.cloudflare.com
Serial: 2354831885
Refresh: 10000
Retry: 2400
Expire: 604800
Minimum: 1800

Devdocs.io HTML Check

HTML Validation Tool

Warnings

The manifest-based application cache feature is obsolete. Consider using service workers instead.

Consider avoiding viewport values that prevent users from resizing documents.

The “banner” role is unnecessary for element “header”.

The “navigation” role is unnecessary for element “nav”.

Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.

The “main” role is unnecessary for element “main”.

Errors

Bad value “fluid-icon” for attribute “rel” on element “link”: The string “fluid-icon” is not a registered keyword.

Attribute “autocapitalize” not allowed on element “input” at this point.

Attribute “autocorrect” not allowed on element “input” at this point.

Element “style” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)

Devdocs.io Desktop Performance

Last tested: 10/10/2016

Desktop Speed

85%

Eliminate render-blocking JavaScript and CSS in above-the-fold content

Leverage browser caching

Prioritize visible content

Desktop Resource Breakdown

Total Resources	19
Number of Hosts	7
Static Resources	15
JavaScript Resources	11
CSS Resources	2

Devdocs.io Mobile Insights

Last tested: 06/04/2017

Mobile Usability

98%

Size tap targets appropriately

Mobile Speed

68%

Eliminate render-blocking JavaScript and CSS in above-the-fold content

Prioritize visible content

Leverage browser caching

Optimize images

Enable compression

Mobile Resource Breakdown

Total Resources	17
Number of Hosts	5
Static Resources	14
JavaScript Resources	10
CSS Resources	1

Devdocs.io Common Typos

www.devdocs.com
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Devdocs.io DevDocs API Documentation

Fast, offline, and free documentation browser for developers. Search 100+ docs in one web app: HTML, CSS, JavaScript, PHP, Ruby, Python, Go, C, C++…

Devdocs.io Overview

Devdocs.io Rank Summary

Devdocs.io Website Safety

Devdocs.io Rank History

Devdocs.io Hosting Information

Devdocs.io Domain Registration and Settings

Devdocs.io HTML Check

Devdocs.io Desktop Performance

Devdocs.io Mobile Insights

Devdocs.io Similar Audits

Devdocs.io Common Typos