Stackoverflow.com Website Information
Stackoverflow.com is 19 years and 10 months old. It is the ⭐54th most visited website in the world and the ⭐21st most visited website in India. It has a high PageRank of 7.1, which means that the website has a really large amount of backlinks.
The website is built with Stimulus, Tailwind CSS, jQuery, and jQuery UI.
The content is served by the Fastly CDN server that is located in the United States and associated with the IP address 151.101.193.69.
The domain is registered with CSC Corporate Domains Inc. and will expire in 3 months.
Website overview
| Owned by The owner of the domain name (the registrant listed in the Whois database). | Stack Exchange Inc. |
|---|---|
| Owner's location | 110 William Street, 28th Floor, New York, New York, 10038, United States |
| Hosted by | Fastly Inc. |
| Server location | United States |
| Registered with | CSC Corporate Domains Inc. |
| Registration date The registration date of the second-level domain. | 26 December 2003 (19 years and 10 months ago) |
| Expiration date The expiration date of the second-level domain. | 2 February 2024 (in 3 months) |
| First archive date The first date when the Web Archive recorded a copy of the site. | 1 March 2000 (23 years and 8 months ago) |
| Top visitor country | India |
| Category | Technical/Business Forums |
| Safety | Safe 10/10 |
Page information
| Title | |
|---|---|
| Description | Stack Overflow is the largest, most trusted online community for developers to learn, share their programming knowledge, and build their careers. |
| Top keywords | teams, stack, stack overflow, overflow, knowledge, overflow for teams, company, answers, community, developers |
| Word cloud The most used words on the page presented in the form of word cloud, where the most important words are bigger than the others. | |
| Language The language that is specified in the document. | English |
| Size The size of the uncompressed web page. | 174.4 KB (178,556 bytes) |
| Text to code ratio The Text to code ratio refers to the amount of plain text on a web page compared to the amount of HTML code on that page. You can preview the plain text in Keyword Density Analyzer. | 14.04% |
Technologies
| Frontend frameworks Frontend frameworks are libraries that simplify the development of the client-side of web applications. | Stimulus |
|---|---|
| UI frameworks UI frameworks are libraries of typical code, design and components that help web developers create user interfaces. | Tailwind CSS |
| Analytics and tracking | Google Analytics 4 |
| CDN A CDN, a content delivery network, or content distribution network, is a network of geographically distributed servers that speed up the delivery of web content. More information: Content delivery network | Fastly Google Hosted Libraries |
| Caching | Varnish |
| Cloud services | Amazon Web Services Google Cloud |
| Compression | |
| JavaScript libraries | jQuery 1.12.4 |
| Package managers | Npm |
| Platforms | Node.js |
| Programming languages |  JavaScript |
| Semantic markup Semantic markup is code that describes elements on a webpage or provides additional information that helps search engines to better understand context. More information: Semantic HTML, Semantic Web | ARIA Microdata Twitter Cards |
| Social media | Facebook (1) Instagram (1) LinkedIn (1) Twitter (1) |
| Standard pages | 👨💻 API 📝 Blog 💬 Contact 🍪 Cookie policy 📖 Help 📄 Legal 🔑 Log in 📰 Press 📄 Privacy policy 📄 Terms |
| Standards and protocols | CSP HTML 5 JSON OpenSearch |
| Syndication | Atom |
| Tag managers Tag Manager is a software that allows to embed and manage tags (analytics, conversion tracking and marketing codes) from a single interface. |  Google Tag Manager |
Rankings
Open PageRank
Open PageRank is a free Google PageRank replacement based on the Open Source data consisting of about 3 billion web pages.
It's a good measurement of a website's backlink strength.
Data source: DomCop.
Data updated: 17 March 2023.
It's a good measurement of a website's backlink strength.
Data source: DomCop.
Data updated: 17 March 2023.
7.11 
(+0.35 since 25 September 2022)
(+0.35 since 25 September 2022)Majestic rank
Majestic rank is a website position in a Majestic Million, a list of domains, ordered by the number of referring subnets. Lower is better.
Data source: Majestic.
Data updated: 1 October 2023.
Data source: Majestic.
Data updated: 1 October 2023.
Rank among .com
Rank among TLD is a website position in a list of domains in the same top-level domain zone, ordered by the number of referring subnets.
Data source: Majestic.
Data updated: 1 October 2023.
Data source: Majestic.
Data updated: 1 October 2023.
123 
(+1 since 1 September 2023)
(+1 since 1 September 2023)Domain Authority
Domain Authority (DA) is a search engine ranking score developed by Moz and calculated by evaluating multiple factors, including linking root domains and a number of total links, that predicts how well a website will rank on search engine result pages (SERPs). Ranges from 1 to 100, with a higher score corresponding to a greater ability to rank. The scale is logarithmic, which means that it's significantly easier to grow your score from 20 to 30 than from 70 to 80
Data source: Moz.
Data updated: 2 October 2023.
Data source: Moz.
Data updated: 2 October 2023.
92 (no change since 2 May 2023)
MOZ rank
MOZ Rank is a website position in the top sites list, ordered by domain authority.
Data source: Moz.
Data updated: 2 October 2023.
Data source: Moz.
Data updated: 2 October 2023.
492 (+32 since 2 May 2023)
(+32 since 2 May 2023)Umbrella rank
Umbrella rank is a domain position in Cisco Umbrella 1 Million, a list of the top 1 million most popular domains, based on the number of unique client IPs visiting this domain, relative to the sum of all requests to all domains. The ranking reflects the popularity of internet activity over any port or protocol from any application and not just web activity over port 80 from browsers.
Data source: Cisco Umbrella.
Data updated: 1 October 2023.
Data source: Cisco Umbrella.
Data updated: 1 October 2023.
11,118 (+1,870 since 1 September 2023)
(+1,870 since 1 September 2023)Yandex SQI
Yandex Site Quality Index is a metric calculated by the search engine Yandex. It is based on the size of the site's audience, the degree of user satisfaction with the site, the estimated level of trust, and other criteria. Higher is better.
Data source:
Yandex.
Data updated: 1 June 2023.
Data source:
Data updated: 1 June 2023.
7,150
Alexa rank
Alexa traffic rank is based on three months of aggregated historical traffic data from millions of users and is a combined measure of page views and users (reach).
Data source: Alexa.
Data updated: 23 January 2023.
- Subdomains are not measured.
- The rank value is a position in the rating, so the lower value the better.
Data source: Alexa.
Data updated: 23 January 2023.
54 (+2 since 8 January 2023)
(+2 since 8 January 2023)Quantcast rank
Quantcast Rank estimates the traffic volume of a particular website or domain, based on the number of visitors from the United States.
Discontinued in 2020.
Data source: Quantcast.
Data updated: 1 April 2020.
Discontinued in 2020.
Data source: Quantcast.
Data updated: 1 April 2020.
101 (no change since 1 March 2020)
Historical PageRank
The historical value of Google PageRank, a patented method for measuring page importance on a scale from 0 - 10, where 10 is the highest. Used internally by Google, was displayed in Google Toolbar until March 2016.
7 (cached on 6 July 2009)
(cached on 6 July 2009)Linking information
Referring C subnets
The number of unique C-subnets with at least one website hosted that contains a link to the domain. Google will give significantly more link power if your inbound links are on different C-class IP addresses.
Data source: Majestic.
Data updated: 1 October 2023.
Data source: Majestic.
Data updated: 1 October 2023.
54,115 
(-385 since 1 September 2023)
(-385 since 1 September 2023)Referring IPs
The number of unique IP addresses with at least one website hosted that contains a link to the domain.
Data source: Majestic.
Data updated: 1 October 2023.
Data source: Majestic.
Data updated: 1 October 2023.
104,065 (-858 since 1 September 2023)
(-858 since 1 September 2023)Linking root domains
Linking root domains includes the number of unique root domains linking to a site. Two links from the same website would only be counted as one linking root domain. This includes followed and nofollowed links.
Data source: Moz.
Data updated: 2 October 2023.
Data source: Moz.
Data updated: 2 October 2023.
410,969 (+6,843 since 2 May 2023)
(+6,843 since 2 May 2023)Estimated traffic
Website traffic estimates, calculated using our own algorithms. May be very inaccurate.
| Daily visitors | 31.2M |
|---|---|
| Monthly visitors | 969.8M |
| Daily pageviews | 176.4M |
| Monthly pageviews | 5.4B |
Safety
Safe 10/10
WOT Trustworthiness
WOT (MyWOT, Web of Trust) is an online reputation and Internet safety service which shows indicators of trust about existing websites.
Data updated: 25 May 2020.
Data updated: 25 May 2020.
Excellent (94)
WOT Child safety
WOT (MyWOT, Web of Trust) is an online reputation and Internet safety service which shows indicators of trust about existing websites.
Data updated: 25 May 2020.
Data updated: 25 May 2020.
Excellent (94)
Google Safe Browsing
Google Safe Browsing is a blacklist service provided by Google that provides lists of URLs for web resources that contain malware or phishing content and allows one to check given URLs.
McAfee WebAdvisor
McAfee WebAdvisor (formerly - McAfee SiteAdvisor) is a service that reports on the safety of websites.
CleanBrowsing Family Filter
CleanBrowsing Family Filter. Blocks access to all adult, pornographic, explicit, malicious, and phishing sites. It also blocks proxy and VPN domains that are used to bypass the filters. Mixed content sites (like Reddit) are also blocked.
Safe
Neustar Family Secure
Neustar Family Secure. Protects against malicious domains and Gambling, Pornography, Violence, Hate/Discrimination websites.
Safe
OpenDNS FamilyShield
OpenDNS FamilyShield is a special service, meant for home users who want to block inappropriate websites. Blocks domains that are categorized as: Tasteless, Proxy/Anonymizer, Sexuality, and Pornography.
Safe
AdGuard Family
AdGuard Family blocks access to ads, counters, malicious websites, and adult content.
Safe
SafeDNS
SafeDNS blocks porn, abusive, violent, and any inappropriate content from the 61 pre-made categories.
Safe
Yandex.DNS Family
Yandex.DNS Family protects from dangerous sites and adult content.
Safe
On-page data
Headings
| <h1> | <h2> | <h3> | <h4> | <h5> | <h6> |
|---|---|---|---|---|---|
| 1 3.4% | 12 41.4% | 11 37.9% | 0 0% | 5 17.2% | 0 0% |
- current community
- your communities
- more stack exchange communities
- Collectives™ on Stack Overflow
- Find the best answer to your technical question, help others answer theirs
- Want a secure, private space for your technical knowledge?
- Every developer has a tab open to Stack Overflow
- A public platform building the definitive collection of coding questions & answers
- A private collaboration & knowledge sharing SaaS platform for companies
- Increase productivity
- Accelerate time to market
- Protect institutional knowledge
- Ensure your company stays on course
- DevOps engineers
- Data scientists
- Software engineers
- Support teams
- Engineering leaders
- Free
- Basic
- …
Links
| Total | 118 |
|---|---|
| Internal Links pointing to resources on the same domain. We categorize links to subdomains of the same domain as internal (as Google does). | 41 34.7% |
| External Links pointing to resources on the external domains. Links to subdomains of the same domain are treated as internal ones. | 74 62.7% |
| Other Non-http/https links and links without href attribute | 3 2.5% |
| Nofollow Links with rel="nofollow" | 2 1.7% |
| Duplicated Links pointing to the same resources (links with the same href attribute) | 22 18.6% |
| With image Links containing images (<img> inside <a>) | 15 12.7% |
| With TITLE Links with the title attribute | 18 15.3% |
| PageRank/Links ratio PageRank divided by outbound links count. A higher value means a higher PageRank spreading with every link. | 0.0603 |
Linked domains
The list of external domains referenced from the current page in order of the number of occurrences.
Images
| Total | 43 |
|---|---|
| Internal Images loaded from resources on the same domain. Images from subdomains of the same domain are treated as internal ones. | 0 0% |
| External Images loaded from resources on the external domains. Images from subdomains of the same domain are treated as internal ones. | 43 100% |
| Other Images with empty or non-http/https src attribute | 0 0% |
| Without ALT | 16 37.2% |
| Without SRC Images without the src attribute | 14 32.6% |
| With TITLE Images with the title attribute | 0 0% |
| Duplicated Images loaded from the same resources (images with the same src attribute) | 7 16.3% |
File types
All the file types that are referenced from a.href, img.src, link.href, and script.src attributes.
| .svg | 19 |
|---|---|
| .png | 18 |
| .js | 5 |
| .css | 4 |
| .ico | 1 |
| .xml | 1 |
URI schemes
Uniform Resource Identifier (URI) schemes that are found in href and src attributes.
URI scheme is the first part of the URL (e.g. https), specifying a concrete syntax and protocol associated with it.
The list of the most known URI schemes.
* We also display // found in the protocol-relative URLs.
| https | 149 |
|---|---|
| (none) | 25 |
| javascript | 3 |
Meta tags
| description | [...] |
|---|---|
| og:image |  |
| og:site_name | Stack Overflow |
| og:type | website |
| og:url | https://stackoverflow.com/ |
| twitter:card | summary |
| twitter:description | Stack Overflow | The World’s Largest Online Community for Developers |
| twitter:domain | stackoverflow.com |
| twitter:title | Stack Overflow - Where Developers Learn, Share, & Build Careers |
| viewport | width=device-width, height=device-height, initial-scale=1.0, minimum-scale=1.0 |
Top ranking keywords
Top ranking keywords on Google for this domain.
Competitors
Competitors in organic search. Domains competing with the current domain in the search results for the same keywords.
Whois lookup for stackoverflow.com
| Domain Name | stackoverflow.com |
|---|---|
| Name Server | NS-1033.AWSDNS-01.ORG, NS-358.AWSDNS-44.COM, NS-CLOUD-E1.GOOGLEDOMAINS.COM, NS-CLOUD-E2.GOOGLEDOMAINS.COM |
| Domain Status | clientTransferProhibited |
| Creation Date | 26 December 2003, 19:18:07 (19 years and 10 months ago) |
| Updated Date | 17 August 2022, 04:32:10 (1 year and 2 months ago) |
| Registry Expiry Date | 2 February 2024, 11:59:59 (in 3 months) |
| Registrar | CSC Corporate Domains, Inc. |
| Registrar Abuse Contact Email |  |
| Registrar Abuse Contact Phone | 8887802723 |
| Registrant Name | Domain Administrator |
| Registrant Organization | Stack Exchange, Inc. |
| Registrant Address | 110 William Street, 28th Floor, New York, New York, 10038, United States |
| Registrant Phone | +1.2122328280 |
| Registrant Email |  |
IP addresses
| Hostname | IP address | Reverse DNS Hostname | Location |
|---|---|---|---|
| stackoverflow.com | 104.18.32.7 | N/A | United States |
| stackoverflow.com | 151.101.193.69 | N/A | United States |
IP whois lookup
| IP address | 151.101.193.69 |
|---|---|
| Network range | 151.101.0.0 - 151.101.255.255 |
| Network prefix The network prefix in CIDR notation. | 151.101.0.0/16 |
| Network name | SKYCA-3 |
| Organization | Fastly, Inc. |
| Address | PO Box 78266, San Francisco, California, 94107, United States |
| Registered | 1 February 2016 (7 years and 9 months ago) |
| Updated | 14 December 2021 (1 year and 10 months ago) |
| Abuse contact | Abuse Account, +1-415-496-9353,  |
| Technical contact | Fastly RIR Administrator, +1-415-518-9103,  |
| NOC contact NOC stands for Network Operations Center and it is one or more locations from which technicians perform network monitoring or network management tasks. | Fastly Network Operations, +1-415-404-9374,  |
Websites on this IP (190)
stackoverflow.com
stackexchange.com
superuser.com
quant.stackexchange.com
webmasters.stackexchange.com
codegolf.stackexchange.com
blender.stackexchange.com
serverfault.com
chinese.stackexchange.com
stackapps.com
mathoverflow.net
cdn.sstatic.net
android.stackexchange.com
insights.stackoverflow.com
civicrm.meta.stackexchange.com
freelancing.meta.stackexchange.com
askubuntu.com
unix.stackexchange.com
comax.stackexchange.com
stackoverflowteams.com
- ...
Subdomains (42)
meta.stackoverflow.com
careers.stackoverflow.com
chat.stackoverflow.com
pt.stackoverflow.com
blog.stackoverflow.com
ru.stackoverflow.com
api.stackoverflow.com
ja.stackoverflow.com
business.stackoverflow.com
facebook.stackoverflow.com
beta.stackoverflow.com
jobs.stackoverflow.com
meta.ru.stackoverflow.com
rads.stackoverflow.com
es.stackoverflow.com
devdays.stackoverflow.com
meta.pt.stackoverflow.com
jp.stackoverflow.com
ru.meta.stackoverflow.com
- ...
Server response data
| Request URL | http://stackoverflow.com (HTTP/1.1, port 80) | ||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Response code | 301 (Moved Permanently) | ||||||||||||||||||||||||||||||||||||||
| |||||||||||||||||||||||||||||||||||||||
| ⤹ | |||||||||||||||||||||||||||||||||||||||
| Request URL (2) | https://stackoverflow.com/ (HTTP/2, port 443, TLSv1.2) | ||||||||||||||||||||||||||||||||||||||
| SSL certificate | issued by Let's Encrypt on 31 July 2023 (3 months ago) | ||||||||||||||||||||||||||||||||||||||
| Response code | 200 (OK) | ||||||||||||||||||||||||||||||||||||||
| |||||||||||||||||||||||||||||||||||||||
Additional resources
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- Google Trends
- View SEMrush domain analytics
- History of this page from Wayback Machine
- Copyscape Plagiarism Checker
- W3C's Unified Validator
- Validate HTML
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- Facebook Sharing Debugger
- Check for DNS errors
Disclaimer
Wmtips.com is not affiliated, associated, authorized, endorsed by, or in any way officially connected with stackoverflow.com. The data is collected from publicly available information and third-party services. All trademarks, product names and logos are the property of their respective owners.
Last Updated: 1 November 2023
Social
Data updated: 18 August 2023.
Data updated: 1 November 2023.
Data updated: 1 November 2023.
Data updated: 1 November 2023.