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Codepen.io CodePen - Front End Developer Playground & Code Editor in the Browser

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Online Status
Offline

Server IP address resolved: No
Http response code: None
Last Checked: 09/16/2019

Codepen.io receives about two hundred thousand unique visitors and eight hundred thousand pageviews per day. The estimated value of codepen.io is ten million USD. Each unique visitor makes about 3.74 pageviews on average.

Over the time codepen.io has been ranked as high as 375 in the world, while most of its traffic comes from India, where it reached as high as 362 position.

We recommend moving codepen.io server from United States to India, as it will speed up codepen.io page load time for the majority of their users.

At the time of the last check (July 04, 2019) codepen.io has a valid and up-to-date SSL certificate that expires on April 05, 2020.

According to Google Safe Browsing, Google Safe Search, Symantec and Web of Trust codepen.io is quite a safe domain.

Mobile-Friendly test indicates that codepen.io is well optimized for mobile and tablet devices.

Global Rank
862
Average Load Time
1.67sec
Links In Count
7,975
Website Value
$10.4 M
Overview
Last Updated: 10/15/2019
Overall result - "codepen.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: 01/12/2019
NCS "codepen.io" OK.

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

Google Safe Search
Last Updated: 10/10/2016
GSS "codepen.io" OK.

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
Malware not found at "codepen.io".
"codepen.io" is not a phishing page.
"codepen.io" does not install unwanted software.
"codepen.io" does not contain harmfull applications.
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: 01/09/2019
SA "codepen.io" OK.

McAfee assesses codepen.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 codepen.io for mature or inappropriate content, only security checks are evaluated.

Web of Trust
Last Updated: 01/09/2019
WOT "codepen.io" VERY GOOD.

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

SSL Information
Domain codepen.io
Issuer CloudFlare Inc ECC CA-2
Algorithm ecdsa-with-SHA256
Valid form 04/05/2019
Expiration 04/05/2020
Signed Certificate is not self signed
Additional Domains codepen.io
*.codepen.io
Server Location
Phoenix
Arizona
United States
ASN Information

ASN ID: 13335
ASN Title: CLOUDFLARENET - Cloudflare, Inc., US

Last Update: 05/29/2019

#
# 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.
#

HTML Metatags
Title
CodePen - Front End Developer Playground & Code Editor in the Browser
The title has an optimal length. Search engines typically displays the first 50–70 characters of a title tag. If you keep your titles under 70 characters, our research suggests that you can expect about 90% of your titles to display properly.
Description
The description is too short. If a description is too short, the search engines may add text found elsewhere on the page. Note that search engines may show a different description from the one you have authored if they feel it may be more relevant to a user's search.
Encoding
UTF-8
You should always specify the encoding used for an HTML page. If you don't, you risk that characters in your content are incorrectly interpreted. This is not just an issue of human readability, increasingly machines need to understand your data too.
Language
en English
Identifying the language of your content allows you to automatically do a number of things, from changing the look and behavior of a page, to assisting search engines in extracting information. If part of the page uses text in a different language, you can add a language attribute with a different value to the element that surrounds that content.
Language Region
Not Found
Images
Attribute ALT
Line 198, ...<img class="projects-screenshot" src="https://static.codepen.io/a...
Line 250, ...<img width="20" height="20">...
Line 268, ...<img width="20" height="20">...
Line 286, ...<img width="20" height="20">...
Line 304, ...<img width="20" height="20">...
Line 322, ...<img width="20" height="20">...
Line 340, ...<img width="20" height="20">...
Line 386, ...<img src="https://gravatar.com/avatar/fa9b56cd9b0ff46ca25d00f7d19...
Line 479, ...<img src="https://gravatar.com/avatar/8efc0a202c807e19059c880342e...
Line 567, ...<img src="https://s.cdpn.io/profiles/user/2488799/80.jpg?15459966...
Line 682, ...<img src="https://s.cdpn.io/profiles/user/211629/80.jpg?154400567...
Line 772, ...<img src="https://s.cdpn.io/profiles/user/183091/80.jpg?1" alt=""...
Line 865, ...<img src="https://gravatar.com/avatar/bebd502207c63b6e2caa00dd3e2...
Line 983, ...<img src="https://s.cdpn.io/profiles/user/3431/80.jpg?6" alt="" w...
Line 1068, ...<img src="https://s.cdpn.io/profiles/team/1188/80.jpg?1530151244"...

1 items are hidden.
Full results are available for registered users only.
As a general rule, search engines do not interpret the content of image files. The text provided in the <img alt> attribute enables the site owner to provide relevant information to the search engine and to the end user.
H1-H6 Tags Information

For search engines, <H> tags helps understand the structure of the text on a page better. For users, headings are like anchors in a wall of text, navigating them through the page and making it easier to digest. The <h1> tag reinforces the core keyword(s) found in the <title>, <description>, and the <body>. We recommend that the <h1> tag includes keywords that reflect the contents of the page and that it is not longer than 150 characters in length, but don’t overuse the tags and the keywords in them. Keep it readable for users.

H1
Line 228, ...<h1 id="picked-pens-header">Picked Pens</h1>...
Line 358, ...<h1 id="picked-projects-header">Picked Projects</h1>...
Line 643, ...<h1 id="picked-posts-header">Picked Posts</h1>...
Line 941, ...<h1 id="picked-collections-header"> <span class="bonus-te...
Line 1356, ...<h1 class="logo header-chunk"> <span class="screen-reader-text...
Your H1 introduces the topic your page is all about, just as a title tells a reader what a book is all about. Remove redundant H1 tags from the page source, so that only one H1 tag exists.
H2
6 H2 tag(s).
The H2s are akin to book chapters, describing the main topics you’ll cover in sections of the article.
H3
13 H3 tag(s).
Subsequent headers, H3s to H6s, serve as additional sub-headings within each section, just as a book chapter may be split up by multiple sub-topics.
H4
H5
H6
Iframes Information
iFrame
iFrames not found.
Since search engines consider the content in iframes to belong to another website, the best you can hope for is no effect on SEO. Iframes tend to neither help nor hurt your search engine ranking. For this reason, it’s best to refrain from using iframes on main pages that you want to rank high in search engine results. Instead, fill high-priority pages with useful, unique content and save iframes for other pages.
Code To Text Ratio
Code To Text Ratio
4.44 %
A good code to text ratio is anywhere from 25 to 70 percent. This percentage refers to the visible text ratio, as opposed to HTML elements, image tags and other non-visible information. This has become especially apparent since search engines, such as Google, released the Panda update which placed importance on content-driven sites.
Favicons

Favicons are the little piece of graphic that represents your brand on browser tabs, bookmark lists, search history, search ads and even search results. These files are placed in a file called favicon.ico and placed in the root directory of a website. There are no direct SEO effects of having favicons. However, there may be indirect benefits such as increased usability of site and bookmarks. It makes your website look more professional and help a users to remember your site while browsing through multiple URLs. If you want to get mentioned benefits you have to specify icons for different web browsers and sometimes even for different mobiles.

Default Favicon
Line 50, https://static.codepen.io/assets/favicon/favicon-8ea04875e70c4b0bb41da869e81236e54394d63638a1ef12fa558a4a835f1164.ico
Backup icon for most desktop browsers (if no icon of the right size is found). Tag format <link rel="shortcut icon" href="path-to-16x16-icon.ico" type="image/x-icon" />
16x16 Optional Favicon
Line 38, /favicons/favicon-16x16.png
Standard icon for outdated browsers or small resolution hand held devices. Tag format <link rel="icon" type="image/png" sizes="16x16" href="path-to-16x16.png">
32x32 Optional Favicon
Line 39, /favicons/favicon-32x32.png
Standard for most desktop browsers. Tag format <link rel="icon" sizes="32x32" href="path-to-32x32.png">
96x96 Optional Favicon
Line 37, /favicons/favicon-96x96.png
Mostly used as GoogleTV icon. Tag format <link rel="icon" type="image/png" sizes="96x96" href="path-to-96x96.png">
Default Apple Icon
Backup icon for apple devices (if no icon of the right size is found). Preferrable size 60x60. Tag format <link rel="apple-touch-icon" sizes="72x72" href="path-to-small-icon.png">
180x180 Apple Icon
Line 34, /favicons/apple-touch-icon-180x180.png
iPhone 6 plus icons. Tag format <link rel="apple-touch-icon" sizes="180x180" href="path-to-180x180.png">
152x152 Apple Icon
Line 33, /favicons/apple-touch-icon-152x152.png
iPad, iPad mini icons. Tag format <link rel="apple-touch-icon" sizes="152x152" href="path-to-icon-152x152.png">
167x167 Apple Icon
iPad Pro icon. Tag format <link rel="apple-touch-icon" sizes="167x167" href="path-to-167x167.png">
Robots.txt Information

Robots.txt is a text file that website owners can create to tell search engine bots how to crawl and index pages on their site.

Robots File
Robots File Loaded successfully (/robots.txt)
You can have multiple lines of instructions to allow or disallow specific URLs and add multiple sitemaps. If you do not disallow a URL, then search engine bots assume that they are allowed to crawl it.
Disallow
1 record(s)
Other User-Agent
Not found
Default User-Agent
1 record(s)
Sitemap

A sitemap is an XML file where is provided information about each URL: when it was last updated, how often it changes, and how important it is in relation to other URLs in the site. Search engines crawling bots read this file to more efficiently and intelligently crawl your site and to find URLs that may be isolated from rest of the site's content.

Default Sitemap
Sitemap File failed Loaded (/sitemap.xml)
Your site will benefit from having a sitemap.
WHOIS

Domain Name: CODEPEN.IO
Registry Domain ID: D503300000040340807-LRMS
Registrar WHOIS Server: whois.gandi.net
Registrar URL: https://www.gandi.net/whois
Updated Date: 2019-01-22T21:12:28Z
Creation Date: 2012-02-26T02:22:09Z
Registry Expiry Date: 2020-02-26T02:22:09Z
Registrar Registration Expiration Date:
Registrar: Gandi SAS
Registrar IANA ID: 81
Registrar Abuse Contact Email: abuse@support.gandi.net
Registrar Abuse Contact Phone: +33.170377661
Reseller:
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Registrant Organization: CodePen
Registrant State/Province: OR
Registrant Country: US
Name Server: ALBERT.NS.CLOUDFLARE.COM
Name Server: KRISTIN.NS.CLOUDFLARE.COM
DNSSEC: unsigned

>>> Last update of WHOIS database: 2019-10-01T13:48:12Z

DNS Records
HostA RecordTTL
codepen.io104.16.176.44300
codepen.io104.17.14.48300
HostMX RecordPriorityTTL
codepen.ioalt1.aspmx.l.google.com5300
codepen.ioalt2.aspmx.l.google.com5300
codepen.ioaspmx2.googlemail.com10300
codepen.ioaspmx3.googlemail.com10300
codepen.ioaspmx.l.google.com1300
HostNS RecordTTL
codepen.ioalbert.ns.cloudflare.com86400
codepen.iokristin.ns.cloudflare.com86400
HostTXT RecordTTL
codepen.iov=spf1 include:s43465759.fdmarc.net ~all300
codepen.iogoogle-site-verification=ee6yZSYLRMH7NdG8DSox4-fH0btH7GdMbMyY7zHenxY300

albert.ns.cloudflare.com
TTL: 3600
Email address: dns.cloudflare.com
Serial: 2031340924
Refresh: 10000
Retry: 2400
Expire: 604800
Minimum: 3600

Errors
Line: 52 Column: 3 - 184
"...ico" /> <link rel="mask-icon" type="" href="https://production-assets.codepen.io/assets/favicon/logo-pin-f2d2b6d2c61838f7e76325261b7195c27224080bc099486ddd6dccb469b8e8e6.svg" color="#111" /> <s..."
Line: 67 Column: 431 - 465
"...></symbol><symbol id="eye" viewbox="0 0 8 8"><path ..."
Line: 104 Column: 11 - 73
"... <ul class="overflow-nav-list link-list priority-nav__dropdown"></ul> ..."
Line: 119 Column: 5 - 117
"...ton> <div class="create-dropdown is-dropdown" id="create-dropdown" aria-expanded="false" data-dropdown-position="css"> ..."
Line: 175 Column: 1 - 9
"...</div> </header> <div..."
Line: 111 Column: 3 - 44
".../nav> <div class="header-chunk primary-actions"> <..."
Line: 184 Column: 7 - 110
"...l> <input type="search" name="q" id="q" required="true" value="" placeholder="Search" class="search-input"> ..."
Line: 321 Column: 11 - 38
"... <img width="20" height="20"> ..."
Line: 339 Column: 11 - 38
"... <img width="20" height="20"> ..."
Line: 357 Column: 11 - 38
"... <img width="20" height="20"> ..."
Line: 375 Column: 11 - 38
"... <img width="20" height="20"> ..."
Line: 393 Column: 11 - 38
"... <img width="20" height="20"> ..."
Line: 411 Column: 11 - 38
"... <img width="20" height="20"> ..."
Line: 321 Column: 11 - 38
"... <img width="20" height="20"> ..."
Line: 339 Column: 11 - 38
"... <img width="20" height="20"> ..."
Line: 357 Column: 11 - 38
"... <img width="20" height="20"> ..."
Line: 375 Column: 11 - 38
"... <img width="20" height="20"> ..."
Line: 393 Column: 11 - 38
"... <img width="20" height="20"> ..."
Line: 411 Column: 11 - 38
"... <img width="20" height="20"> ..."
Line: 968 Column: 5 - 74
"...on"> <div class="title-header collections-title-header" aria-labelledby=""> ..."
Warnings
Line: 65 Column: 6902 - 6942
"...></symbol><symbol id="eye" viewbox="0 0 30.5 16.5"><path ..."
Line: 251 Column: 7 - 33
"..."> <h1 class="promo-headline">CodePe..."
Line: 299 Column: 5 - 32
"...der"> <h1 id="picked-pens-header">Picked..."
Line: 969 Column: 7 - 41
"...""> <h1 id="picked-collections-header"> ..."
Line: 427 Column: 5 - 36
"...der"> <h1 id="picked-projects-header">Picked..."
Line: 702 Column: 7 - 35
"...r"> <h1 id="picked-posts-header">Picked..."

Last tested: 06/12/2016

Desktop
Desktop Speed
83%
Your page has 1 blocking script resources and 4 blocking CSS resources. This causes a delay in rendering your page.
None of the above-the-fold content on your page could be rendered without waiting for the following resources to load. Try to defer or asynchronously load blocking resources, or inline the critical portions of those resources directly in the HTML.Remove render-blocking JavaScript:

https://assets.codepen.io/assets/common/cookie_use…c120ad1244435ca54a2.js

Optimize CSS Delivery of the following:

http://fonts.googleapis.com/css?family=Lato:400,900,400italic,700italic
https://assets.codepen.io/assets/global/global-MQ-…86aea659c25de8173f.css
https://assets.codepen.io/assets/page/page-MQ-bc45…ee24b170b27d5367aa.css
https://assets.codepen.io/assets/home/home-e3391ef…596fdc0c7cfd707b8a.css

Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.
Leverage browser caching for the following cacheable resources:

http://gravatar.com/avatar/019264e9ee564fb3a93a940…06f8fd94c000d6ac7a.png (5 minutes)
http://gravatar.com/avatar/1df167f8d2feea4676febb1…06f8fd94c000d6ac7a.png (5 minutes)
http://fallbacks.carbonads.com/home/e99a260b948494…f674f0aebd9/codepen/8/ (15 minutes)
http://cdn.carbonads.com/carbon.js?zoneid=1673&ser…ILKT&placement=codepen (60 minutes)
http://s3.buysellads.com/ac/bsa.js (60 minutes)
http://s3.buysellads.com/ac/pro.js (60 minutes)
http://www.google-analytics.com/analytics.js (2 hours)
http://i73.photobucket.com/albums/i201/tommyvoltage/yeezy_zpstf3cyowy.png (6 hours)

Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 28.2KiB (20% reduction).

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In our test, your server responded in 0.39 seconds. There are many factors that can slow down your server response time. Please read our recommendations to learn how you can monitor and measure where your server is spending the most time.
Compacting HTML code, including any inline JavaScript and CSS contained in it, can save many bytes of data and speed up download and parse times.
Minify HTML for the following resources to reduce their size by 4.6KiB (27% reduction).

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Desktop Resource Breakdown
Total Resources57
Number of Hosts19
Static Resources36
JavaScript Resources16
CSS Resources7

Last tested: 01/31/2018

Mobile
Mobile Usability
95%
Some of the links/buttons on your webpage may be too small for a user to easily tap on a touchscreen. Consider making these tap targets larger to provide a better user experience.
The following tap targets are close to other nearby tap targets and may need additional spacing around them.

The tap target <a href="https://coinmarketcap.com/api/">https://coinmarketcap.com/api/</a> and 1 others are close to other tap targets.
The tap target <a href="https://codepe…le/full/wywxRb" class="single-stat views">72…Views</a> and 26 others are close to other tap targets.
The tap target <button id="loves_wywxRb" class="invisible-butt…loves loved-0">2…Hearts</button> and 14 others are close to other tap targets.

Mobile Speed
67%
Your page has 5 blocking CSS resources. This causes a delay in rendering your page.
None of the above-the-fold content on your page could be rendered without waiting for the following resources to load. Try to defer or asynchronously load blocking resources, or inline the critical portions of those resources directly in the HTML.Optimize CSS Delivery of the following:

https://fonts.googleapis.com/css?family=Lato:400,900,400italic,700italic
https://production-assets.codepen.io/assets/global…2c22dcc1c0bd5f0ca7.css
https://production-assets.codepen.io/assets/page/p…bd7b2a0af37836c686.css
https://production-assets.codepen.io/assets/home/h…f9ba026c476313aaa5.css
https://fonts.googleapis.com/css?family=Lato:300

Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 55.7KiB (32% reduction).

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Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.
Leverage browser caching for the following cacheable resources:

https://gravatar.com/avatar/6c0377abcf4da91cdd35de…adfc2649a002dab1b6.png (5 minutes)
https://gravatar.com/avatar/8efc0a202c807e19059c88…adfc2649a002dab1b6.png (5 minutes)
https://gravatar.com/avatar/ce434f1de83cdf50fec327…adfc2649a002dab1b6.png (5 minutes)
https://s3.buysellads.com/ac/bsa.js (60 minutes)
https://s3.buysellads.com/ac/pro.js (60 minutes)
https://www.google-analytics.com/analytics.js (2 hours)

In our test, your server responded in 0.28 seconds. There are many factors that can slow down your server response time. Please read our recommendations to learn how you can monitor and measure where your server is spending the most time.
Mobile Resource Breakdown
Total Resources50
Number of Hosts10
Static Resources33
JavaScript Resources9
CSS Resources5
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