celestrak.com website information.
celestrak.com domain name is registered by .COM top-level domain registry. See the other sites registred in .COM domain zone.
Following name servers are specified for celestrak.com domain:
- ns-1137.awsdns-14.org
- ns-1790.awsdns-31.co.uk
- ns-357.awsdns-44.com
- ns-851.awsdns-42.net
and probably website celestrak.com is hosted by web hosting company. Check the complete list of other most popular websites hosted by hosting company.
According to Alexa traffic rank the highest website celestrak.com position was 9683 (in the world). The lowest Alexa rank position was 998212. Now website celestrak.com ranked in Alexa database as number 87372 (in the world).
Website celestrak.com Desktop speed measurement score (86/100) is better than the results of 82.23% of other sites and shows that the page is performing great on desktop computers.
celestrak.com Mobile usability score (89/100) is better than the results of 31.01% of other sites and means that the page is mobile-friendly.
Mobile speed measurement score of celestrak.com (54/100) is better than the results of 41.82% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.
Weekly Rank Report
| Date | Rank | Change |
|---|---|---|
| Sep-22-2024 | 87,372 | -416 |
| Sep-21-2024 | 86,956 | 502 |
| Sep-20-2024 | 87,458 | -192 |
| Sep-19-2024 | 87,266 | -112 |
| Sep-18-2024 | 87,154 | -1,583 |
| Sep-17-2024 | 85,571 | 2,160 |
| Sep-16-2024 | 87,731 | -2,189 |
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celestrak.com Rank History
Alexa can identify the popularity of a website as well as its competitors. It is important for website owners and bloggers to know their Alexa ranking because it shows how many visitors have viewed their web page. It gives them a clear idea of how popular their website is on the internet and the ranking of their competitors.
celestrak.com whois
WHOIS is a query and response protocol that is widely used for querying databases that store the registered users or assignees of an Internet resource, such as a domain name, an IP address block, or an autonomous system, but is also used for a wider range of other information.
Domain Name: CELESTRAK.COM
Registry Domain ID: 2808430_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.networksolutions.com
Registrar URL: http://networksolutions.com
Updated Date: 2021-07-26T19:09:34Z
Creation Date: 1998-02-27T05:00:00Z
Registry Expiry Date: 2024-02-26T05:00:00Z
Registrar: Network Solutions, LLC
Registrar IANA ID: 2
Registrar Abuse Contact Email: abuse@web.com
Registrar Abuse Contact Phone: +1.8003337680
Domain Status: ok https://icann.org/epp#ok
Name Server: NS-1137.AWSDNS-14.ORG
Name Server: NS-1790.AWSDNS-31.CO.UK
Name Server: NS-357.AWSDNS-44.COM
Name Server: NS-851.AWSDNS-42.NET
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2021-12-14T07:06:21Z
celestrak.com server information
celestrak.com desktop page speed rank
Last tested: 2019-06-25
celestrak.com Desktop Speed Test Quick Summary
priority - 11 Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 107KiB (99% reduction).
priority - 2 Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 1 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:
priority - 2 Leverage 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:
http://celestrak.com/images/twitter.png (expiration not specified)
http://celestrak.com/site.css (expiration not specified)
priority - 0 Enable compression
Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.
Enable compression for the following resources to reduce their transfer size by 4.2KiB (67% reduction).
Compressing http://celestrak.com/site.css could save 1.1KiB (70% reduction).
priority - 0 Minify CSS
Compacting CSS code can save many bytes of data and speed up download and parse times.
Minify CSS for the following resources to reduce their size by 281B (17% reduction).
celestrak.com Desktop Resources
| Total Resources | 4 |
| Number of Hosts | 1 |
| Static Resources | 3 |
| CSS Resources | 1 |
celestrak.com Desktop Resource Breakdown
celestrak.com mobile page speed rank
Last tested: 2019-10-28
celestrak.com Mobile Speed Test Quick Summary
priority - 46 Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 450.9KiB (54% reduction).
Compressing and resizing http://celestrak.com/images/twitter.png could save 107KiB (99% reduction).
Compressing http://celestrak.com/images/CT-logo-lg-horz-1600x550.png could save 30.5KiB (44% reduction).
Compressing http://celestrak.com/images/AGILogo_HorizColor_2018.png could save 2KiB (11% reduction).
Compressing http://celestrak.com/images/CT-icon-256-t.png could save 1.5KiB (18% reduction).
priority - 40 Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 3 blocking script resources and 2 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://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.7/umd/popper.min.js
https://maxcdn.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js
Optimize CSS Delivery of the following:
http://celestrak.com/new-site.css
priority - 5 Leverage 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:
http://celestrak.com/images/CT-icon-256-t.png (expiration not specified)
http://celestrak.com/images/CT-logo-lg-horz-1600x550.png (expiration not specified)
http://celestrak.com/images/banner.jpg (expiration not specified)
http://celestrak.com/images/twitter.png (expiration not specified)
http://celestrak.com/new-site.css (expiration not specified)
priority - 1 Enable compression
Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.
Enable compression for the following resources to reduce their transfer size by 5.9KiB (66% reduction).
Compressing http://celestrak.com/new-site.css could save 2KiB (71% reduction).
priority - 0 Minify CSS
Compacting CSS code can save many bytes of data and speed up download and parse times.
Minify CSS for the following resources to reduce their size by 460B (16% reduction).
celestrak.com Mobile Resources
| Total Resources | 11 |
| Number of Hosts | 4 |
| Static Resources | 10 |
| JavaScript Resources | 3 |
| CSS Resources | 2 |
celestrak.com Mobile Resource Breakdown
celestrak.com mobile page usability
Last tested: 2019-10-28
celestrak.com Mobile Usability Test Quick Summary
priority - 10 Size 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.
<a href="/NORAD/archives/">Historical Archives</a> and 7 others are close to other tap targets.<a href="/software/">Software Repository</a> and 2 others are close to other tap targets.<a href="/columns/">Computers & Satellites Columns</a> is close to 2 other tap targets.<a href="/events/ors-3.php">ORS-3 Launch of 2013 Nov 20</a> and 6 others are close to other tap targets.The tap target
<a href="https://twitter.com/TSKelso">@TSKelso</a> is close to 1 other tap targets.celestrak.com similar domains
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celestrak.com Ping
Ping is a networking utility tool to test if a particular host is reachable. It is a diagnostic that checks reachability of a host on an Internet Protocol (IP) network. In a computer network, a ping test is a way of sending messages from one host to another. Aside from checking if the host is connected to a network, ping also gives indicators of the reliability and general speed of the connection.
celestrak.com TRACEROUTE
Traceroute is a network diagnostic tool used to track the pathway taken by a packet on an IP network from source to destination. Traceroute also records the time taken for each hop the packet makes during its route to the destination. Traceroute uses ICMP (Internet Control Message Protocol) echo packets with variable time to live values. The response time of each hop is calculated. To guarantee accuracy, each hop is queried multiple times (usually three times) to better measure the response of that particular hop.