CHECKERFRAMEWORK.ORG The Checker Framework

checkerframework.org Website Information

Daily Unique Visits: 1,353

Daily Page Views: 2,706

Income Per Day: $8

Estimated Value: $1,920

checkerframework.org is registered under .ORG top-level domain. Please check other sites in .ORG zone.

No name server records were found.

and is probably hosted by WASHINGTON-AS - University of Washington, US. See the full list of other websites hosted by WASHINGTON-AS - University of Washington, US.

The highest website checkerframework.org position in Alexa rank database was 44188 and the lowest rank position was 999171. Current position of checkerframework.org in Alexa rank database is 529864.

Desktop speed score of checkerframework.org (99/100) is better than the results of 97.03% of other sites and shows that the page is performing great on desktop computers.

Mobile usability score of checkerframework.org (62/100) is better than the results of 7.29% of other sites and means that the page is not mobile-friendly.

Mobile speed score of checkerframework.org (98/100) is better than the results of 95.71% of other sites and shows that the landing page performance on mobile devices is excellent.

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checkerframework.org Alexa Rank

The traffic rank is based on three months of aggregated historical traffic data from millions of Alexa Toolbar users and is a combined measure of page views and users.


checkerframework.org whois

WHOIS gives you the ability to lookup any generic domains to find out the registered domain holder. WHOIS database are provided for information purposes only. It allows the public to check whether a specific domain name is still available or not and to obtain information related to the registration records of existing domain names.


Domain Name: checkerframework.org
Registry Domain ID: 3b9afdfc2c1b44d1bba38b0cc3c58d0d-LROR
Registrar WHOIS Server: http://whois.1api.net
Registrar URL: http://www.1api.net
Updated Date: 2023-09-14T17:03:56Z
Creation Date: 2013-07-31T17:03:36Z
Registry Expiry Date: 2024-07-31T17:03:36Z
Registrar: 1API GmbH
Registrar IANA ID: 1387
Registrar Abuse Contact Email: abuse@1api.net
Registrar Abuse Contact Phone: +49.68949396850
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Name Server: ns1.iwantmyname.net
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Name Server: ns4.iwantmyname.net
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of WHOIS database: 2023-09-30T13:04:13Z

checkerframework.org server information

Servers Location

checkerframework.org desktop page speed rank

Last tested: 2018-04-26


Desktop Speed Good
99/100

checkerframework.org Desktop Speed Test Quick Summary


priority - 1Leverage browser caching

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://checkerframework.org/CFLogo.png (expiration not specified)

priority - 0Optimize images

Properly formatting and compressing images can save many bytes of data.

Optimize the following images to reduce their size by 717B (18% reduction).

Compressing https://checkerframework.org/CFLogo.png could save 717B (18% reduction).

priority - 0Minify HTML

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 605B (21% reduction).

Minifying https://checkerframework.org/ could save 605B (21% reduction) after compression.

checkerframework.org Desktop Resource Breakdown

Total Resources3
Number of Hosts1
Static Resources1

checkerframework.org mobile page speed rank

Last tested: 2018-04-26


Mobile Speed Good
98/100

checkerframework.org Mobile Speed Test Quick Summary


priority - 1Leverage browser caching

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://checkerframework.org/CFLogo.png (expiration not specified)

priority - 0Optimize images

Properly formatting and compressing images can save many bytes of data.

Optimize the following images to reduce their size by 717B (18% reduction).

Compressing https://checkerframework.org/CFLogo.png could save 717B (18% reduction).

priority - 0Minify HTML

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 605B (21% reduction).

Minifying https://checkerframework.org/ could save 605B (21% reduction) after compression.

checkerframework.org Mobile Resource Breakdown

Total Resources3
Number of Hosts1
Static Resources1

checkerframework.org mobile page usability

Last tested: 2018-04-26


Mobile Usability Bad
62/100

checkerframework.org Mobile Usability Test Quick Summary


priority - 36Use legible font sizes

The following text on your page renders in a way that may be difficult for some of your visitors to read. Use legible font sizes to provide a better user experience.

The following text fragments have a small font size. Increase the font size to make them more legible.

The Checker Fr…iler plug-ins. and 16 others render only 6 pixels tall (16 CSS pixels).

have a question and 2 others render only 6 pixels tall (16 CSS pixels).

Installation i…s and tutorial renders only 6 pixels tall (16 CSS pixels).

Inference tool…anual contains and 28 others render only 6 pixels tall (16 CSS pixels).

https://github…ker-framework/ and 17 others render only 6 pixels tall (16 CSS pixels).

installation…s and tutorial renders only 6 pixels tall (16 CSS pixels).

Checker Framew…Manual (HTML) and 7 others render only 6 pixels tall (16 CSS pixels).

files.…the and 8 others render only 6 pixels tall (16 CSS pixels).

Annotation File Utilities renders only 6 pixels tall (16 CSS pixels).

.class and 2 others render only 6 pixels tall (16 CSS pixels).

annotation-tools-3.6.52.zip and 2 others render only 6 pixels tall (16 CSS pixels).

is included in…he repository. and 3 others render only 6 pixels tall (16 CSS pixels).

Checker Framew…issue tracker and 3 others render only 6 pixels tall (16 CSS pixels).

Documentation and 2 others render only 7 pixels tall (19 CSS pixels).

priority - 17Size tap targets appropriately

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="checker-framework-2.5.0.zip">checker-framework-2.5.0.zip</a> and 17 others are close to other tap targets.

The tap target <a href="manual/#installation">installation…s and tutorial</a> is close to 2 other tap targets.

The tap target <a href="manual/">Checker Framew…Manual (HTML)</a> and 6 others are close to other tap targets.

The tap target <a href="annotation-fil…ols-3.6.52.zip">annotation-tools-3.6.52.zip</a> and 2 others are close to other tap targets.

priority - 10Configure the viewport

Your page does not have a viewport specified. This causes mobile devices to render your page as it would appear on a desktop browser, scaling it down to fit on a mobile screen. Configure a viewport to allow your page to render properly on all devices.

checkerframework.org HTML validation

Warnings

This document appears to be written in English. Consider adding “lang="en"” (or variant) to the “html” start tag.

Line: 2 Column: 16 - 6
"...TYPE html> <html> <head..."

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checkerframework.org Ping

Ping is a computer network administration software utility used to test the reachability of a host on an Internet Protocol (IP) network. It measures the round-trip time for messages sent from the originating host to a destination computer that are echoed back to the source.


checkerframework.org TRACEROUTE

Traceroute is a computer network diagnostic tool for displaying the route (path) and measuring transit delays of packets across an Internet Protocol (IP) network. The history of the route is recorded as the round-trip times of the packets received from each successive host (remote node) in the route (path); the sum of the mean times in each hop is a measure of the total time spent to establish the connection. Traceroute proceeds unless all (three) sent packets are lost more than twice, then the connection is lost and the route cannot be evaluated.