PHYSICS.INFO The Physics Hypertextbook

physics.info Website Information

Daily Unique Visits: 19,213

Daily Page Views: 115,278

Income Per Day: $231

Estimated Value: $166,320

physics.info is registered under .INFO top-level domain. Please check other sites in .INFO zone.

No name server records were found.

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The highest website physics.info position in Alexa rank database was 65526 and the lowest rank position was 160292. Current position of physics.info in Alexa rank database is 74648.

Desktop speed score of physics.info (87/100) is better than the results of 84.39% of other sites and shows that the page is performing great on desktop computers.

Mobile usability score of physics.info (100/100) is better than the results of 100% of other sites and means that the page is mobile-friendly.

Mobile speed score of physics.info (69/100) is better than the results of 74.36% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

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physics.info Alexa Rank

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physics.info whois

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Domain Name: physics.info
Registry Domain ID: 22a83c0244e9414ab8e9c2d1cc3c4501-DONUTS
Registrar WHOIS Server: WHOIS.ENOM.COM
Registrar URL: http://www.enom.com
Updated Date: 2021-08-02T15:40:28Z
Creation Date: 2002-07-13T19:27:51Z
Registry Expiry Date: 2030-07-13T19:27:51Z
Registrar: eNom, LLC
Registrar IANA ID: 48
Registrar Abuse Contact Email: abuse@enom.com
Registrar Abuse Contact Phone: 425.518.1929
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
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Registrant Organization: Data Protected
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Registrant State/Province: WA
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Registrant Country: US
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Name Server: tina.ns.cloudflare.com
Name Server: cleo.ns.cloudflare.com
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of WHOIS database: 2024-09-22T04:34:14Z

physics.info server information

Servers Location

physics.info desktop page speed rank

Last tested: 2016-12-10


Desktop Speed Good
87/100

physics.info Desktop Speed Test Quick Summary


priority - 10Eliminate render-blocking JavaScript and CSS in above-the-fold content

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physics.info Desktop Resource Breakdown

Total Resources31
Number of Hosts11
Static Resources20
JavaScript Resources11
CSS Resources6

physics.info mobile page speed rank

Last tested: 2016-12-10


Mobile Speed Medium
69/100

physics.info Mobile Speed Test Quick Summary


priority - 40Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 1 blocking script resources and 2 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

https://ajax.googleapis.com/ajax/libs/jquery/1.4.1/jquery.min.js

Optimize CSS Delivery of the following:

http://scubaranch.com/walnut.css
http://physics.info/new/physics.css

priority - 3Leverage 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://m.addthisedge.com/live/boost/elert/_ate.track.config_resp (60 seconds)
http://s7.addthis.com/js/300/addthis_widget.js (10 minutes)
http://cse.google.com/adsense/search/async-ads.js (60 minutes)
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http://www.google-analytics.com/analytics.js (2 hours)

priority - 1Minify CSS

Compacting CSS code can save many bytes of data and speed up download and parse times.

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Minifying https://www.google.com/uds/api/search/1.0/0c3990ce…873c9b6/default+en.css could save 3.9KiB (40% reduction) after compression.
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Minifying https://cse.google.com/cse/style/look/minimalist.css could save 588B (24% reduction) after compression.

priority - 0Optimize images

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

Optimize the following images to reduce their size by 2.4KiB (70% reduction).

Compressing http://www.google.com/cse/static/en/google_custom_search_watermark.gif could save 1.4KiB (69% reduction).
Compressing https://www.google.com/uds/css/small-logo.png could save 1.1KiB (72% 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 987B (16% reduction).

Minifying http://physics.info/ could save 987B (16% reduction) after compression.

physics.info Mobile Resource Breakdown

Total Resources31
Number of Hosts11
Static Resources20
JavaScript Resources11
CSS Resources6

physics.info mobile page usability

Last tested: 2016-12-10


Mobile Usability Good
100/100

physics.info HTML validation

Errors

Element “script” must not have attribute “async” unless attribute “src” is also specified.

Line: 180 Column: 1 - 37
"...nts</h2> <script async type="text/javascript"> fun..." Line: 562 Column: 1 - 37
"...uery. --> <script async type="text/javascript"> $('..."

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physics.info 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.


physics.info 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.