Compcert.org
CompCert - Main pageDomain Summary
What is the traffic rank for Compcert.org?
• Compcert.org ranks #4,801,340 globally on HypeStat.
What percent of global Internet users visit Compcert.org?
• 2.83E-5% of global Internet users visit Compcert.org
How many people visit Compcert.org each day?
• Compcert.org receives approximately 1.4K visitors and 318 page impressions per day.
Which countries does Compcert.org receive most of its visitors from?
• Compcert.org is mostly visited by people located in Russian Federation,United States,Turkey.
How much Compcert.org can earn?
• Compcert.org should earn about $1.18/day from advertising revenue.
What is Compcert.org estimated value?
• Estimated value of Compcert.org is $1,083.88.
What IP addresses does Compcert.org resolve to?
• Compcert.org resolves to the IP addresses 185.199.109.153.
Where are Compcert.org servers located in?
• Compcert.org has servers located in San Francisco, California, 94107, United States.
compcert.org Profile
Title:CompCert - Main page
Category:Computers Electronics and Technology / Programming and Developer Software
About:
CompCert is a formally verified optimizing compiler for the C programming language, frequently used in critical software systems where reliability is paramount. The project stands out because it uses formal methods to ensure that the compiled code preserves the semantics of the original source code. Essentially, it guarantees that the behavior of the program won't change as it is transformed from source code to machine code, providing a high level of assurance that the compiled code will run correctly.
CompCert achieves this rigorous standard of reliability by proving the correctness of each compilation step with the help of formal proofs. These proofs are developed using the Coq proof assistant, a tool that facilitates the development of mathematical proofs and their verification by computer. This not only makes CompCert highly reliable but also offers a higher level of certainty compared to traditional compilers.
The project has gained attention in fields where software correctness is critical, such as aerospace, automotive, healthcare, and other sectors that require high-assurance software. While CompCert primarily focuses on correctness, it also delivers competitive performance in optimization, making it a practical option for real-world applications.
The development of CompCert demonstrates a significant step forward in the use of formal verification within software engineering practice, highlighting the growing importance of these techniques in producing reliable and trustworthy software.
*This text is generated by artificial intelligence and may not be accurate. Edit Site Info
What technologies does compcert.org use?
These are the technologies used at compcert.org. compcert.org has a total of 6 technologies installed in 5 different categories.compcert.org Traffic Analysis
Compcert.org is ranked #4,801,340 in the world. This website is viewed by an estimated 1.4K visitors daily, generating a total of 318 pageviews. This equates to about 42.2K monthly visitors. Compcert.org traffic has increased by 1191.94% compared to last month.Daily Visitors1.4K
101300%
Monthly Visits42.2K
1191.94%
Pages per Visit0.23
1%
Visit duration00:10
Bounce Rate88.23%
0.29%
Is this your site?Verify your site's metrics.
- Daily Unique Visitors:
- 1,393
- Monthly Visits:
- 42,208
- Pages per Visit:
- 0.23
- Daily Pageviews:
- 318
- Avg. visit duration:
- 00:10
- Bounce rate:
- 88.23%
- Global Reach:
- 2.83E-5%
- Monthly Visits (SEMrush):
- 2,726
- Monthly Unique Visitors (SEMrush):
- 2,028
- Monthly Visits (SimilarWeb):
- 40,978
- HypeRank:
- 4,801,340
- SEMrush Rank:
- 2,618,157
- SimilarWeb Rank:
- 2,267,939
Traffic sources
- Direct:
- 12.00%
- Referral:
- 0%
- Search:
- 0%
- Social:
- 88.00%
- Paid:
- 0%
Desktop vs Mobile
- Desktop:
- 100.00%
- Mobile:
- 0%
Total Visits Last 3 Months
37.7K
MAR
3.3K
APR
42.2K
MAY
Visitors by country
- Country
- Users%
- Russian Federation 3.02%
- United States 2.82%
- Turkey 2.68%
- Peru 2.42%
- Indonesia 2.39%
Backlinks Report ▼
Compcert.org has a total of 7,227 backlinks from 1,071 referring domains and most of them comes from United States.- Total Backlinks:
- 7,227
- Follow Links:
- n/a
- Nofollow Links:
- n/a
- Referring Domains:
- 1,071
- Referring IPs:
- 1,121
- Authority Domain Score:
- 23
Backlinks by country
- Country
- Domains
- United States 442
- Germany 87
- France 58
- China 32
- Russian Federation 23
Backlinks by TLDs
- TLD Distribution
- Domains
- .com
- 357
- .org
- 133
- .io
- 70
- .edu
- 25
- .gov
- 1
Which sites are competitors to compcert.org?
Websites similar to compcert.org are sites similar on user interests and browsing behavior. Users can discover new websites that are similar to the ones they already enjoy or find useful.- Domain
- CompareDaily Visitors
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- Compare >1K
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- Compare >0.9K
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- Compare >802
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- Compare >640
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- Compare >535
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- Compare >452
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- Compare >42
Last update was 185 days ago
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*HypeStat.com is not promoting or affiliated with compcert.org in any way. Only publicly available statistics data are displayed.
Search Engine Indexes ▼
Search engine indexes are huge databases or collections of net pages that search engines like google like google and yahoo use to retrieve applicable facts while customers carry out searches. These indexes are created through search engines like google and yahoo through crawling and indexing net pages from throughout the internet.- Google Index:
- 142
▼
SEMrush is a complete on line advertising and marketing platform that gives a extensive variety of gear and functions to help companies and entrepreneurs in enhancing their on line visibility and optimizing their virtual advertising and marketing strategies.- Domain:
- compcert.org
- Rank:
(Rank based on keywords, cost and organic traffic) - 2,618,157
- Organic Keywords:
(Number of keywords in top 20 Google SERP) - 116
- Organic Traffic:
(Number of visitors coming from top 20 search results) - 170
- Organic Cost:
((How much need to spend if get same number of visitors from Google Adwords) - $133.00
Revenue report ▼
Google.com would generate approximately $1.2 per day if the source of income were advertisements, which equates to an estimated monthly revenue of $35.4 and annual gross revenue of approximately $430.7. Based on these figures, the site's net worth is estimated at around $1.1K.How much would compcert.org make?
- Daily Revenue:
- $1.18
- Monthly Revenue:
- $35.40
- Yearly Revenue:
- $430.70
Daily earning by country
- CountryPageviewsEarning
- United States 9$0.04
- Peru 8$0.01
- Russian Federation 10$0.00
- Turkey 9$0.00
- Indonesia 8$0.00
Loss of money due to Adblock?
- Daily Revenue Loss:
- $0.01
- Monthly Revenue Loss:
- $0.27
- Yearly Revenue Loss:
- $3.33
- Daily Pageviews Blocked:
- 8
- Monthly Pageviews Blocked:
- 239
- Yearly Pageviews Blocked:
- 2,908
Daily revenue loss by country
- CountryBlockedLost Money
- United States 2$0.01
- Peru 1$0.00
- Indonesia 4$0.00
- Russian Federation 1$0.00
- Turkey 1$0.00
How much is compcert.org worth?
- Website Value:
- $1.1K
Ad Experience Report ▼
Summary of the ad experience rating of a website for a specific platform.Mobile summary
- Root domain:
- compcert.org
- Ad filtering:
(Chrome is not filtering ads on your site.) - Off
- Status:
(The status of the site that is reviewed for the Better Ads Standards.) - Not reviewed
Desktop summary
- Root domain:
- compcert.org
- Ad filtering:
(Chrome is not filtering ads on your site.) - Off
- Status:
(The status of the site that is reviewed for the Better Ads Standards.) - Not reviewed
Abusive Experience Report ▼
Summary of the abusive experience rating of a website.- Root domain:
- compcert.org
- Enforcement:
(Chrome is not preventing your site from opening new windows or tabs.) - Off
- Status:
(The status of the site reviewed for the abusive experiences.) - Not reviewed
Where is compcert.org hosted? ▼
Compcert.org may be hosted in multiple data centers distributed in different locations around the world. This is probably just one of them.- Server IP:
- 185.199.109.153
- ASN:
- AS54113
- ISP:
- Fastly
- Server Location:
- San Francisco
California, CA
94107
United States, US
Other sites hosted on 185.199.109.153
How fast does compcert.org load? ▼
The average loading time of compcert.org is 48 ms. The Desktop speed index is 100 and mobile speed index is 95.- Average Load Time:
- 48 ms
Page Speed (Google PageSpeed Insights) - Desktop
Field Data
Over the last 30 days, the field data shows that this page has a FAST speed compared to other pages in the Chrome User Experience Report.We are showing the 90th percentile of FCP and the 95th percentile of FID.
Cumulative Layout Shift (CLS)0ms
Time To First Byte (TTFB)386ms
First Contentful Paint (FCP)717ms
First Input Delay (FID)0
Interaction To Next Paint (INP)23ms
Largest Contentful Paint (LCP)711ms
Origin Data
All pages served from this origin have an FAST speed compared to other pages in the Chrome User Experience Report. over the last 30 days.To view suggestions tailored to each page, analyze individual page URLs.
Cumulative Layout Shift (CLS)0ms
Time To First Byte (TTFB)386ms
First Contentful Paint (FCP)717ms
First Input Delay (FID)0
Interaction To Next Paint (INP)23ms
Largest Contentful Paint (LCP)711ms
Lab Data
Does not have a `<meta name="viewport">` tag with `width` or `initial-scale`
A `<meta name="viewport">` not only optimizes your app for mobile screen sizes, but also prevents . a 300 millisecond delay to user input Learn more about using the viewport meta tag
A `<meta name="viewport">` not only optimizes your app for mobile screen sizes, but also prevents . a 300 millisecond delay to user input Learn more about using the viewport meta tag
Largest Contentful Paint 0.6 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn more about the Largest Contentful Paint metric
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn more about the Largest Contentful Paint metric
Speed Index 0.5 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more about the Speed Index metric
Speed Index shows how quickly the contents of a page are visibly populated. Learn more about the Speed Index metric
Lazy load third-party resources with facades
Some third-party embeds can be lazy loaded. Consider replacing them with a facade until they are required. Learn how to defer third-parties with a facade
Some third-party embeds can be lazy loaded. Consider replacing them with a facade until they are required. Learn how to defer third-parties with a facade
First Contentful Paint 0.5 s
First Contentful Paint marks the time at which the first text or image is painted. Learn more about the First Contentful Paint metric
First Contentful Paint marks the time at which the first text or image is painted. Learn more about the First Contentful Paint metric
Time to Interactive 0.5 s
Time to Interactive is the amount of time it takes for the page to become fully interactive. Learn more about the Time to Interactive metric
Time to Interactive is the amount of time it takes for the page to become fully interactive. Learn more about the Time to Interactive metric
First Meaningful Paint 0.5 s
First Meaningful Paint measures when the primary content of a page is visible. Learn more about the First Meaningful Paint metric
First Meaningful Paint measures when the primary content of a page is visible. Learn more about the First Meaningful Paint metric
Total Blocking Time 0 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds. Learn more about the Total Blocking Time metric
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds. Learn more about the Total Blocking Time metric
Page Speed (Google PageSpeed Insights) - Mobile
Field Data
Over the last 30 days, the field data shows that this page has a FAST speed compared to other pages in the Chrome User Experience Report.We are showing the 90th percentile of FCP and the 95th percentile of FID.
Cumulative Layout Shift (CLS)0ms
Time To First Byte (TTFB)564ms
First Contentful Paint (FCP)930ms
First Input Delay (FID)0
Interactive To Next Paint (INP)90ms
Largest Contentful Paint (LCP)929ms
Origin Data
All pages served from this origin have an FAST speed compared to other pages in the Chrome User Experience Report. over the last 30 days.To view suggestions tailored to each page, analyze individual page URLs.
Cumulative Layout Shift (CLS)0ms
Time To First Byte (TTFB)564ms
First Contentful Paint (FCP)930ms
First Input Delay (FID)0
Interactive To Next Paint (INP)90ms
Largest Contentful Paint (LCP)929ms
Lab Data
Lazy load third-party resources with facades
Some third-party embeds can be lazy loaded. Consider replacing them with a facade until they are required. Learn how to defer third-parties with a facade
Some third-party embeds can be lazy loaded. Consider replacing them with a facade until they are required. Learn how to defer third-parties with a facade
Total Blocking Time 0 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds. Learn more about the Total Blocking Time metric
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds. Learn more about the Total Blocking Time metric
First Contentful Paint 2.0 s
First Contentful Paint marks the time at which the first text or image is painted. Learn more about the First Contentful Paint metric
First Contentful Paint marks the time at which the first text or image is painted. Learn more about the First Contentful Paint metric
First Meaningful Paint 2.0 s
First Meaningful Paint measures when the primary content of a page is visible. Learn more about the First Meaningful Paint metric
First Meaningful Paint measures when the primary content of a page is visible. Learn more about the First Meaningful Paint metric
Speed Index 2.0 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more about the Speed Index metric
Speed Index shows how quickly the contents of a page are visibly populated. Learn more about the Speed Index metric
Preload Largest Contentful Paint image
If the LCP element is dynamically added to the page, you should preload the image in order to improve LCP. Learn more about preloading LCP elements
If the LCP element is dynamically added to the page, you should preload the image in order to improve LCP. Learn more about preloading LCP elements
Time to Interactive 2.0 s
Time to Interactive is the amount of time it takes for the page to become fully interactive. Learn more about the Time to Interactive metric
Time to Interactive is the amount of time it takes for the page to become fully interactive. Learn more about the Time to Interactive metric
Largest Contentful Paint 2.6 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn more about the Largest Contentful Paint metric
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn more about the Largest Contentful Paint metric
Largest Contentful Paint image was not lazily loaded
Above-the-fold images that are lazily loaded render later in the page lifecycle, which can delay the largest contentful paint. Learn more about optimal lazy loading
Above-the-fold images that are lazily loaded render later in the page lifecycle, which can delay the largest contentful paint. Learn more about optimal lazy loading
Does not have a `<meta name="viewport">` tag with `width` or `initial-scale`
A `<meta name="viewport">` not only optimizes your app for mobile screen sizes, but also prevents . a 300 millisecond delay to user input Learn more about using the viewport meta tag
A `<meta name="viewport">` not only optimizes your app for mobile screen sizes, but also prevents . a 300 millisecond delay to user input Learn more about using the viewport meta tag
Does compcert.org use compression? ▼
Website compression is the process of reducing the size of website files, such as HTML, CSS, JavaScript, and image files, to improve website performance and load times. Compressing website files can significantly reduce the amount of data that needs to be transferred from the server to the user's browser, resulting in faster page load times and improved user experience. Files on compcert.org are reduced by 65%.
compcert.org use gzip compression.
Original size: 16.63 KB
Compressed size: 5.79 KB
File reduced by: 10.85 KB (65%)
Compressed size: 5.79 KB
File reduced by: 10.85 KB (65%)
Google Safe Browsing ▼
Google Safe Browsing is a service provided by Google that helps protect users from visiting websites that may contain malicious or harmful content, such as malware, phishing attempts, or deceptive software.SSL Checker - SSL Certificate Verify ▼
An SSL (Secure Sockets Layer) certificate is a digital certificate that establishes a secure encrypted connection between a web server and a user's web browser. It provides authentication and encryption, ensuring that data transmitted between the server and the browser remains private and protected. compcert.org supports HTTPS. compcert.org supports HTTPS
Verifying SSL Support. Please wait...
Common Name: compcert.org
Organization:
Location:
Issuer: R3
Valid from: May 7 21:53:24 2024 GMT
Valid until: Aug 5 21:53:23 2024 GMT
Authority: CA:FALSE
Keysize: 2048 Bits
Organization:
Location:
Issuer: R3
Valid from: May 7 21:53:24 2024 GMT
Valid until: Aug 5 21:53:23 2024 GMT
Authority: CA:FALSE
Keysize: 2048 Bits
Common Name: R3
Organization: Let's Encrypt
Location: US
Issuer: ISRG Root X1
Valid from: Sep 4 00:00:00 2020 GMT
Valid until: Sep 15 16:00:00 2025 GMT
Authority: CA:TRUE
Keysize: 2048 Bits
Organization: Let's Encrypt
Location: US
Issuer: ISRG Root X1
Valid from: Sep 4 00:00:00 2020 GMT
Valid until: Sep 15 16:00:00 2025 GMT
Authority: CA:TRUE
Keysize: 2048 Bits
Verify HTTP/2 Support ▼
HTTP/2 (Hypertext Transfer Protocol version 2) is a major revision of the HTTP protocol, which is the foundation of data communication on the World Wide Web. It was developed as an improvement over the previous HTTP/1.1 version to enhance web performance and efficiency. compcert.org supports HTTP/2
Verifying HTTP/2.0 Support. Please wait...
Http Header ▼
HTTP headers are extra portions of records despatched among a consumer (which include an internet browser) and a server at some stage in an HTTP request or response. They offer instructions, metadata, or manipulate parameters for the conversation among the consumer and server.server: GitHub.com
content-type: text/html; charset=utf-8
last-modified: Thu, 02 May 2024 14:59:00 GMT
access-control-allow-origin: *
etag: W/"6633aa34-4287"
expires: Sun, 09 Jun 2024 04:11:38 GMT
cache-control: max-age=600
content-encoding: gzip
x-proxy-cache: MISS
x-github-request-id: D72D:37B14:177A4A3:1C5D85D:66652921
accept-ranges: bytes
age: 0
date: Sun, 09 Jun 2024 04:56:01 GMT
via: 1.1 varnish
x-served-by: cache-chi-kigq8000157-CHI
x-cache: HIT
x-cache-hits: 0
x-timer: S1717908961.409314,VS0,VE26
vary: Accept-Encoding
x-fastly-request-id: 0debc6d84b90dd1ac5f6806cf56d5097c003e2d5
content-length: 5924
DNS Lookup ▼
DNS entries (Domain Name System) are a critical component of the Internet infrastructure. They act as directories that translate human-readable domain names (such as example.com) to machine-readable IP addresses. DNS records are stored on DNS servers and help forward internet traffic efficiently.Type | Ip | Target/Txt | TTL |
SOA | 86400 | ||
Mname | ns1.gandi.net | ||
Rname | hostmaster.gandi.net | ||
Serial Number | 1717632000 | ||
Refresh | 10800 | ||
Retry | 3600 | ||
Expire | 604800 | ||
Minimum TTL | 10800 | ||
TXT | 10800 | ||
MX | 10800 | ||
MX | 10800 | ||
A | 185.199.109.153 | 1748 | |
A | 185.199.108.153 | 1748 | |
A | 185.199.111.153 | 1748 | |
A | 185.199.110.153 | 1748 | |
NS | 3548 | ||
NS | 3548 | ||
NS | 3548 |
Whois Lookup ▼
Domain WHOIS is a public database that provides information about domain names, including registered owners, contact information, domain registrars, registration and expiration dates, name servers, and other relevant information. Domain registration for this website began on October 26, 2020 and will expire on October 26, 2024 if not renewed. This website is now assigned through the registrar Gandi SAS. The WHOIS data for this website's domain was last updated on September 30, 2023.- Domain Created:
- 2020-10-26
- Domain Expires:
- 2024-10-26
- Domain Updated:
- 2023-09-30
- Domain Age:
- 4 years 1 months 16 days
- Domain Registrar:
- Gandi SAS
- Domain Owner:
- REDACTED FOR PRIVACY
- WhoIs:
Domain Name: compcert.org Registry Domain ID: 32eb2b9ae23c476fae84dd59fc7de45f-LROR Registrar WHOIS Server: http://whois.gandi.net Registrar URL: http://www.gandi.net Updated Date: 2023-09-30T15:35:19Z Creation Date: 2020-10-26T18:26:11Z Registry Expiry Date: 2024-10-26T18:26:11Z Registrar: Gandi SAS Registrar IANA ID: 81 Registrar Abuse Contact Email: Registrar Abuse Contact Phone: +33.170377661 Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited Registry Registrant ID: REDACTED FOR PRIVACY Registrant Name: REDACTED FOR PRIVACY Registrant Organization: Registrant Street: REDACTED FOR PRIVACY Registrant City: REDACTED FOR PRIVACY Registrant State/Province: 11 Registrant Postal Code: REDACTED FOR PRIVACY Registrant Country: FR 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: ns-114-c.gandi.net Name Server: ns-67-b.gandi.net Name Server: ns-69-a.gandi.net DNSSEC: unsigned URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/ >>> Last update of WHOIS database: 2024-06-09T04:56:50Z