prenhall.com website information.
prenhall.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 prenhall.com domain:
- ns04.pearson.com
- ns02.pearson.com
- ns01.pearson.com
- ns03.pearson.com
and probably website prenhall.com is hosted by AMAZON-02 - Amazon.com, Inc., US web hosting company. Check the complete list of other most popular websites hosted by AMAZON-02 - Amazon.com, Inc., US hosting company.
According to Alexa traffic rank the highest website prenhall.com position was 17212 (in the world). The lowest Alexa rank position was 19293. Now website prenhall.com ranked in Alexa database as number 19055 (in the world).
Website prenhall.com Desktop speed measurement score (6/100) is better than the results of 0.8% of other sites shows that the page desktop performance can be improved.
prenhall.com Mobile usability score (100/100) is better than the results of 100% of other sites and means that the page is mobile-friendly.
Mobile speed measurement score of prenhall.com (0/100) and shows that the landing page performance on mobile devices is poor and can be improved.
Weekly Rank Report
| Date | Rank | Change |
|---|---|---|
| Nov-17-2024 | 19,055 | -71 |
| Nov-16-2024 | 18,984 | 144 |
| Nov-15-2024 | 19,128 | -54 |
| Nov-14-2024 | 19,074 | 219 |
| Nov-13-2024 | 19,293 | 0 |
| Nov-12-2024 | 19,293 | 0 |
| Nov-11-2024 | 19,293 | 0 |
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prenhall.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.
prenhall.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: PRENHALL.COM
Registry Domain ID: 303707_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.namecheap.com
Registrar URL: http://www.namecheap.com
Updated Date: 2024-03-13T16:30:25Z
Creation Date: 1990-04-10T04:00:00Z
Registry Expiry Date: 2025-04-11T04:00:00Z
Registrar: NameCheap, Inc.
Registrar IANA ID: 1068
Registrar Abuse Contact Email: abuse@namecheap.com
Registrar Abuse Contact Phone: +1.6613102107
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Name Server: DNS1.REGISTRAR-SERVERS.COM
Name Server: DNS2.REGISTRAR-SERVERS.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2024-09-10T23:06:31Z
prenhall.com server information
prenhall.com desktop page speed rank
Last tested: 2019-12-06
Desktop Speed
Bad
6/100
prenhall.com Desktop Speed Test Quick Summary
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priority - 26 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:
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https://www.pearsoned.com/wp-content/uploads/INSTR…roImage_SC_Final-1.png (59.6 minutes)
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priority - 20 Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 18 blocking script resources and 6 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:
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https://www.pearson.com/us/etc/themes/platform/1dc…ffcb599522ad00a16eb.js
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https://www.pearson.com/us/etc/clientlibs/one-dot-…1003d87de26b8b5ac77.js
https://www.pearson.com/us/etc/clientlibs/one-dot-…9e61b26f957100ae3c2.js
https://cdn.jsdelivr.net/npm/instantsearch.js@2.7.2
Optimize CSS Delivery of the following:
https://www.pearson.com/us/etc/clientlibs/platform…47ebeeaeec2a108aef.css
https://www.pearson.com/us/etc/clientlibs/platform…43315ab5a61bc16816.css
https://www.pearson.com/us/etc/themes/platform/1dc…cc6d5ed77bc8216c86.css
https://www.pearson.com/us/etc/clientlibs/platform…66b43bb942c24a1a61.css
https://www.pearson.com/us/etc/clientlibs/one-dot-…3420d897a9417b4c16.css
https://fonts.googleapis.com/css?family=Open+Sans:…00,400italic,700italic
https://www.pearson.com/us/etc/clientlibs/platform…43315ab5a61bc16816.css
https://www.pearson.com/us/etc/themes/platform/1dc…cc6d5ed77bc8216c86.css
https://www.pearson.com/us/etc/clientlibs/platform…66b43bb942c24a1a61.css
https://www.pearson.com/us/etc/clientlibs/one-dot-…3420d897a9417b4c16.css
https://fonts.googleapis.com/css?family=Open+Sans:…00,400italic,700italic
priority - 4 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 38.1KiB (77% reduction).
Compressing https://pearson.mcxplatform.de/surveys/KXMPND/Scri…clientExtensibility.js could save 38.1KiB (77% reduction).
priority - 2 Minify JavaScript
Compacting JavaScript code can save many bytes of data and speed up downloading, parsing, and execution time.
Minify JavaScript for the following resources to reduce their size by 20.3KiB (41% reduction).
Minifying https://pearson.mcxplatform.de/surveys/KXMPND/Scri…clientExtensibility.js could save 20.2KiB (42% reduction).
Minifying https://www.pearson.com/us/etc/clientlibs/platform…69104a1df0d77a13556.js could save 118B (15% reduction) after compression.
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priority - 2 Prioritize visible content
Your page requires additional network round trips to render the above-the-fold content. For best performance, reduce the amount of HTML needed to render above-the-fold content.
The entire HTML response was not sufficient to render the above-the-fold content. This usually indicates that additional resources, loaded after HTML parsing, were required to render above-the-fold content. Prioritize visible content that is needed for rendering above-the-fold by including it directly in the HTML response.
Only about 21% of the final above-the-fold content could be rendered with the full HTML response.
Click to see the screenshot with only the HTML response:
prenhall.com Desktop Resources
| Total Resources | 114 |
| Number of Hosts | 34 |
| Static Resources | 66 |
| JavaScript Resources | 42 |
| CSS Resources | 6 |
prenhall.com Desktop Resource Breakdown
prenhall.com mobile page speed rank
Last tested: 2018-10-08
Mobile Speed
Bad
0/100
prenhall.com Mobile Speed Test Quick Summary
priority - 703 Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 6.7MiB (92% reduction).
Compressing and resizing https://www.pearsoned.com/wp-content/uploads/UCF_graduation.jpg could save 4.8MiB (99% reduction).
Compressing and resizing https://www.pearsoned.com/wp-content/uploads/IMG_8475.jpg could save 1.7MiB (98% reduction).
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priority - 67 Avoid landing page redirects
Your page has 3 redirects. Redirects introduce additional delays before the page can be loaded.
Avoid landing page redirects for the following chain of redirected URLs.
http://prenhall.com/
http://home.pearsonhighered.com/
https://www.pearsonhighered.com/
https://www.pearson.com/us/higher-education.html
http://home.pearsonhighered.com/
https://www.pearsonhighered.com/
https://www.pearson.com/us/higher-education.html
priority - 48 Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 16 blocking script resources and 5 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://www.pearson.com/us/etc/clientlibs/platform…3e998ed3768a1b7b6ad.js
https://www.pearson.com/us/etc/themes/platform/1dc…200eace8bdd374ac35d.js
https://www.pearson.com/us/etc/clientlibs/platform…e4a9e47414d5e39193b.js
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https://www.pearson.com/us/etc/clientlibs/granite/…2e930df0e129b9c76d5.js
https://www.pearson.com/us/etc/clientlibs/granite/…63049926a36025dc03b.js
https://www.pearson.com/us/etc/clientlibs/platform…da3b40633a6f6fe6750.js
https://www.pearson.com/us/etc/clientlibs/platform…3a7915c4ce181061004.js
https://www.pearson.com/us/etc/clientlibs/platform…78e614c1b62b1cfa875.js
https://www.pearson.com/us/etc/clientlibs/one-dot-…c2e757bd87843f01330.js
https://www.pearson.com/us/etc/clientlibs/one-dot-…565997e04bb5d5c0dce.js
https://www.pearson.com/us/etc/themes/platform/1dc…200eace8bdd374ac35d.js
https://www.pearson.com/us/etc/clientlibs/platform…e4a9e47414d5e39193b.js
https://www.pearson.com/us/etc/clientlibs/platform…c26d53557a61cd56597.js
https://www.pearson.com/us/etc/clientlibs/platform…593bfdaeb3a8cfd5260.js
https://www.pearson.com/us/etc/clientlibs/platform…32fdc4f09ce7bb71c0f.js
https://www.pearson.com/us/etc/clientlibs/platform…def49ab208c22e0c82a.js
https://www.pearson.com/us/etc/clientlibs/platform…2f5fd360b22a64b5d9c.js
https://www.pearson.com/us/etc/clientlibs/platform…06ae032ee07338c8c38.js
https://www.pearson.com/us/etc/clientlibs/granite/…2e930df0e129b9c76d5.js
https://www.pearson.com/us/etc/clientlibs/granite/…63049926a36025dc03b.js
https://www.pearson.com/us/etc/clientlibs/platform…da3b40633a6f6fe6750.js
https://www.pearson.com/us/etc/clientlibs/platform…3a7915c4ce181061004.js
https://www.pearson.com/us/etc/clientlibs/platform…78e614c1b62b1cfa875.js
https://www.pearson.com/us/etc/clientlibs/one-dot-…c2e757bd87843f01330.js
https://www.pearson.com/us/etc/clientlibs/one-dot-…565997e04bb5d5c0dce.js
Optimize CSS Delivery of the following:
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https://www.pearson.com/us/etc/clientlibs/platform…628ebb6c37450ac583.css
https://www.pearson.com/us/etc/themes/platform/1dc…f21f254617385fd91a.css
https://www.pearson.com/us/etc/clientlibs/platform…a9ad4f2962d994a3ea.css
https://www.pearson.com/us/etc/clientlibs/one-dot-…46806464a17207e5c0.css
https://www.pearson.com/us/etc/clientlibs/platform…628ebb6c37450ac583.css
https://www.pearson.com/us/etc/themes/platform/1dc…f21f254617385fd91a.css
https://www.pearson.com/us/etc/clientlibs/platform…a9ad4f2962d994a3ea.css
https://www.pearson.com/us/etc/clientlibs/one-dot-…46806464a17207e5c0.css
priority - 32 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:
https://www.google-analytics.com/gtm/js?id=GTM-WXV…=1153193913.1538957199 (15 minutes)
https://www.googletagmanager.com/gtm.js?id=GTM-P6GW9W5 (15 minutes)
https://connect.facebook.net/en_US/fbevents.js (20 minutes)
https://connect.facebook.net/signals/config/936995…2585?v=2.8.30&r=stable (20 minutes)
https://www.pearsoned.com/wp-content/uploads/mike.png (59.4 minutes)
https://www.pearsoned.com/wp-content/uploads/IMG_8475.jpg (59.4 minutes)
https://www.google-analytics.com/plugins/ua/ec.js (60 minutes)
https://www.googleadservices.com/pagead/conversion_async.js (60 minutes)
https://www.pearsoned.com/wp-content/uploads/UCF_graduation.jpg (60 minutes)
https://www.pearson.com/us/content/dam/one-dot-com…q5dam.web.780.4680.png (117.6 minutes)
https://www.google-analytics.com/analytics.js (2 hours)
https://www.pearson.com/us/content/dam/one-dot-com…5dam.web.780.4680.jpeg (2.5 hours)
https://www.pearson.com/us/content/dam/one-dot-com…5dam.web.780.4680.jpeg (2.5 hours)
https://www.pearson.com/us/etc/clientlibs/granite/…2e930df0e129b9c76d5.js (2.6 hours)
https://www.pearson.com/us/etc/clientlibs/platform…2f5fd360b22a64b5d9c.js (5.1 hours)
https://www.pearson.com/us/etc/clientlibs/platform…da3b40633a6f6fe6750.js (7.7 hours)
https://www.pearson.com/us/etc/clientlibs/platform…3a7915c4ce181061004.js (8.6 hours)
https://www.pearson.com/us/etc/clientlibs/platform…e4a9e47414d5e39193b.js (8.6 hours)
https://www.pearson.com/us/etc/clientlibs/one-dot-…c2e757bd87843f01330.js (8.9 hours)
https://www.pearson.com/us/etc/themes/platform/1dc…s/icons/ic_youtube.png (9.8 hours)
https://www.pearson.com/us/etc/clientlibs/platform…78e614c1b62b1cfa875.js (9.8 hours)
https://www.pearson.com/us/etc/themes/platform/1dc…okbag--chalk-white.svg (10.2 hours)
https://www.pearson.com/us/etc/clientlibs/platform…def49ab208c22e0c82a.js (10.4 hours)
https://www.pearson.com/us/etc/clientlibs/platform…593bfdaeb3a8cfd5260.js (10.4 hours)
https://www.pearson.com/us/etc/themes/platform/1dc…s/ic_chevron_white.svg (10.5 hours)
https://www.pearson.com/us/etc/clientlibs/platform…3e998ed3768a1b7b6ad.js (11.2 hours)
https://www.pearson.com/us/etc/themes/platform/1dc…200eace8bdd374ac35d.js (11.2 hours)
https://www.pearson.com/us/content/dam/one-dot-com…5dam.web.780.4680.jpeg (12.6 hours)
https://www.pearson.com/us/content/dam/one-dot-com…5dam.web.780.4680.jpeg (12.6 hours)
https://www.pearson.com/us/content/dam/one-dot-com…5dam.web.780.4680.jpeg (12.6 hours)
https://www.pearson.com/us/content/dam/one-dot-com…q5dam.web.780.4680.png (12.6 hours)
https://www.pearson.com/us/content/dam/one-dot-com…g-he-hero-1440x960.jpg (12.6 hours)
https://www.pearson.com/us/content/dam/one-dot-com…5dam.web.780.4680.jpeg (12.7 hours)
https://www.pearson.com/us/etc/themes/platform/1dc…s/icons/ic_chevron.svg (13.4 hours)
https://www.pearson.com/us/content/dam/one-dot-com…5dam.web.780.4680.jpeg (14.2 hours)
https://www.pearson.com/us/etc/clientlibs/platform…es/always-learning.png (15.1 hours)
https://www.pearson.com/us/etc/clientlibs/platform…c26d53557a61cd56597.js (16.7 hours)
https://www.pearson.com/us/etc/themes/platform/1dc…ts/icons/ic_Search.svg (18 hours)
https://www.pearson.com/us/content/dam/one-dot-com…5dam.web.780.4680.jpeg (19.4 hours)
https://www.pearson.com/us/etc/themes/platform/1dc…rson_logo_white_bg.svg (20.2 hours)
https://www.pearson.com/us/etc/clientlibs/platform…mages/pearson-logo.png (20.8 hours)
https://www.pearson.com/etc/themes/platform/1dc-th…s/ic_chevron_white.svg (21 hours)
https://www.pearson.com/us/etc/clientlibs/one-dot-…565997e04bb5d5c0dce.js (21.2 hours)
https://www.pearson.com/us/etc/clientlibs/platform…06ae032ee07338c8c38.js (22.5 hours)
https://www.pearson.com/us/etc/clientlibs/platform…32fdc4f09ce7bb71c0f.js (23.9 hours)
https://www.pearson.com/us/etc/clientlibs/granite/…63049926a36025dc03b.js (5 days)
https://www.pearson.com/us/etc/clientlibs/platform…e-webfont.woff?v=4.2.0 (5.7 days)
https://www.googletagmanager.com/gtm.js?id=GTM-P6GW9W5 (15 minutes)
https://connect.facebook.net/en_US/fbevents.js (20 minutes)
https://connect.facebook.net/signals/config/936995…2585?v=2.8.30&r=stable (20 minutes)
https://www.pearsoned.com/wp-content/uploads/mike.png (59.4 minutes)
https://www.pearsoned.com/wp-content/uploads/IMG_8475.jpg (59.4 minutes)
https://www.google-analytics.com/plugins/ua/ec.js (60 minutes)
https://www.googleadservices.com/pagead/conversion_async.js (60 minutes)
https://www.pearsoned.com/wp-content/uploads/UCF_graduation.jpg (60 minutes)
https://www.pearson.com/us/content/dam/one-dot-com…q5dam.web.780.4680.png (117.6 minutes)
https://www.google-analytics.com/analytics.js (2 hours)
https://www.pearson.com/us/content/dam/one-dot-com…5dam.web.780.4680.jpeg (2.5 hours)
https://www.pearson.com/us/content/dam/one-dot-com…5dam.web.780.4680.jpeg (2.5 hours)
https://www.pearson.com/us/etc/clientlibs/granite/…2e930df0e129b9c76d5.js (2.6 hours)
https://www.pearson.com/us/etc/clientlibs/platform…2f5fd360b22a64b5d9c.js (5.1 hours)
https://www.pearson.com/us/etc/clientlibs/platform…da3b40633a6f6fe6750.js (7.7 hours)
https://www.pearson.com/us/etc/clientlibs/platform…3a7915c4ce181061004.js (8.6 hours)
https://www.pearson.com/us/etc/clientlibs/platform…e4a9e47414d5e39193b.js (8.6 hours)
https://www.pearson.com/us/etc/clientlibs/one-dot-…c2e757bd87843f01330.js (8.9 hours)
https://www.pearson.com/us/etc/themes/platform/1dc…s/icons/ic_youtube.png (9.8 hours)
https://www.pearson.com/us/etc/clientlibs/platform…78e614c1b62b1cfa875.js (9.8 hours)
https://www.pearson.com/us/etc/themes/platform/1dc…okbag--chalk-white.svg (10.2 hours)
https://www.pearson.com/us/etc/clientlibs/platform…def49ab208c22e0c82a.js (10.4 hours)
https://www.pearson.com/us/etc/clientlibs/platform…593bfdaeb3a8cfd5260.js (10.4 hours)
https://www.pearson.com/us/etc/themes/platform/1dc…s/ic_chevron_white.svg (10.5 hours)
https://www.pearson.com/us/etc/clientlibs/platform…3e998ed3768a1b7b6ad.js (11.2 hours)
https://www.pearson.com/us/etc/themes/platform/1dc…200eace8bdd374ac35d.js (11.2 hours)
https://www.pearson.com/us/content/dam/one-dot-com…5dam.web.780.4680.jpeg (12.6 hours)
https://www.pearson.com/us/content/dam/one-dot-com…5dam.web.780.4680.jpeg (12.6 hours)
https://www.pearson.com/us/content/dam/one-dot-com…5dam.web.780.4680.jpeg (12.6 hours)
https://www.pearson.com/us/content/dam/one-dot-com…q5dam.web.780.4680.png (12.6 hours)
https://www.pearson.com/us/content/dam/one-dot-com…g-he-hero-1440x960.jpg (12.6 hours)
https://www.pearson.com/us/content/dam/one-dot-com…5dam.web.780.4680.jpeg (12.7 hours)
https://www.pearson.com/us/etc/themes/platform/1dc…s/icons/ic_chevron.svg (13.4 hours)
https://www.pearson.com/us/content/dam/one-dot-com…5dam.web.780.4680.jpeg (14.2 hours)
https://www.pearson.com/us/etc/clientlibs/platform…es/always-learning.png (15.1 hours)
https://www.pearson.com/us/etc/clientlibs/platform…c26d53557a61cd56597.js (16.7 hours)
https://www.pearson.com/us/etc/themes/platform/1dc…ts/icons/ic_Search.svg (18 hours)
https://www.pearson.com/us/content/dam/one-dot-com…5dam.web.780.4680.jpeg (19.4 hours)
https://www.pearson.com/us/etc/themes/platform/1dc…rson_logo_white_bg.svg (20.2 hours)
https://www.pearson.com/us/etc/clientlibs/platform…mages/pearson-logo.png (20.8 hours)
https://www.pearson.com/etc/themes/platform/1dc-th…s/ic_chevron_white.svg (21 hours)
https://www.pearson.com/us/etc/clientlibs/one-dot-…565997e04bb5d5c0dce.js (21.2 hours)
https://www.pearson.com/us/etc/clientlibs/platform…06ae032ee07338c8c38.js (22.5 hours)
https://www.pearson.com/us/etc/clientlibs/platform…32fdc4f09ce7bb71c0f.js (23.9 hours)
https://www.pearson.com/us/etc/clientlibs/granite/…63049926a36025dc03b.js (5 days)
https://www.pearson.com/us/etc/clientlibs/platform…e-webfont.woff?v=4.2.0 (5.7 days)
priority - 1 Reduce server response time
In our test, your server responded in 0.25 seconds.
There are many factors that can slow down your server response time. Please read our recommendations to learn how you can monitor and measure where your server is spending the most time.
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 1.3KiB (38% reduction).
Compressing https://www.pearson.com/us/etc/themes/platform/1dc…ts/icons/ic_Search.svg could save 290B (37% reduction).
Compressing https://www.pearson.com/us/etc/themes/platform/1dc…s/icons/ic_chevron.svg could save 263B (39% reduction).
Compressing https://www.pearson.com/etc/themes/platform/1dc-th…s/ic_chevron_white.svg could save 253B (38% reduction).
Compressing https://www.pearson.com/us/etc/themes/platform/1dc…s/ic_chevron_white.svg could save 253B (38% reduction).
Compressing https://www.pearson.com/us/etc/themes/platform/1dc…okbag--chalk-white.svg could save 187B (37% reduction).
Compressing https://www.pearson.com/us/etc/clientlibs/platform…da3b40633a6f6fe6750.js could save 115B (33% reduction).
Compressing https://www.pearson.com/us/etc/themes/platform/1dc…s/icons/ic_chevron.svg could save 263B (39% reduction).
Compressing https://www.pearson.com/etc/themes/platform/1dc-th…s/ic_chevron_white.svg could save 253B (38% reduction).
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Compressing https://www.pearson.com/us/etc/themes/platform/1dc…okbag--chalk-white.svg could save 187B (37% reduction).
Compressing https://www.pearson.com/us/etc/clientlibs/platform…da3b40633a6f6fe6750.js could save 115B (33% reduction).
priority - 0 Minify JavaScript
Compacting JavaScript code can save many bytes of data and speed up downloading, parsing, and execution time.
Minify JavaScript for the following resources to reduce their size by 118B (15% reduction).
Minifying https://www.pearson.com/us/etc/clientlibs/platform…2f5fd360b22a64b5d9c.js could save 118B (15% reduction) after compression.
prenhall.com Mobile Resources
| Total Resources | 83 |
| Number of Hosts | 19 |
| Static Resources | 53 |
| JavaScript Resources | 28 |
| CSS Resources | 6 |
prenhall.com Mobile Resource Breakdown
prenhall.com mobile page usability
Last tested: 2018-10-08
Mobile Usability
Good
100/100
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prenhall.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.
prenhall.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.