hmhco.com Website Information
Daily Unique Visits: 166,525
Daily Page Views: 1,332,200
Income Per Day: $1,332
Estimated Value: $1,438,560
This website is located in United States and is using following IP address 209.235.125.128. See the complete list of popular websites hosted in United States.
hmhco.com is registered under .COM top-level domain. Please check other sites in .COM zone.
Website hmhco.com is using the following name servers:
- ns-1193.awsdns-21.org
- ns-1900.awsdns-45.co.uk
- ns-341.awsdns-42.com
- ns-951.awsdns-54.net
and is probably hosted by INCAPSULA - Incapsula Inc, US. See the full list of other websites hosted by INCAPSULA - Incapsula Inc, US.
The highest website hmhco.com position in Alexa rank database was 8279 and the lowest rank position was 11668. Current position of hmhco.com in Alexa rank database is 9151.
Desktop speed score of hmhco.com (74/100) is better than the results of 57.94% of other sites and shows that the page desktop performance can be improved.
Mobile usability score of hmhco.com (95/100) is better than the results of 39.69% of other sites and means that the page is mobile-friendly.
Mobile speed score of hmhco.com (58/100) is better than the results of 50.23% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.
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hmhco.com 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.
hmhco.com 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: HMHCO.COM
Registry Domain ID: 823415015_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.networksolutions.com
Registrar URL: http://networksolutions.com
Updated Date: 2024-02-03T08:38:26Z
Creation Date: 2007-02-18T14:24:38Z
Registry Expiry Date: 2025-02-18T14:24:38Z
Registrar: Network Solutions, LLC
Registrar IANA ID: 2
Registrar Abuse Contact Email: domain.operations@web.com
Registrar Abuse Contact Phone: +1.8777228662
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Name Server: NS-1193.AWSDNS-21.ORG
Name Server: NS-1900.AWSDNS-45.CO.UK
Name Server: NS-341.AWSDNS-42.COM
Name Server: NS-951.AWSDNS-54.NET
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2024-09-12T02:41:16Z
Registry Domain ID: 823415015_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.networksolutions.com
Registrar URL: http://networksolutions.com
Updated Date: 2024-02-03T08:38:26Z
Creation Date: 2007-02-18T14:24:38Z
Registry Expiry Date: 2025-02-18T14:24:38Z
Registrar: Network Solutions, LLC
Registrar IANA ID: 2
Registrar Abuse Contact Email: domain.operations@web.com
Registrar Abuse Contact Phone: +1.8777228662
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Name Server: NS-1193.AWSDNS-21.ORG
Name Server: NS-1900.AWSDNS-45.CO.UK
Name Server: NS-341.AWSDNS-42.COM
Name Server: NS-951.AWSDNS-54.NET
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2024-09-12T02:41:16Z
hmhco.com server information
Servers Location
hmhco.com desktop page speed rank
Last tested: 2019-12-08
Desktop Speed
Medium
74/100
hmhco.com Desktop Speed Test Quick Summary
priority - 10Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 2 blocking CSS resources. This causes a delay in rendering your page.
Optimize CSS Delivery of the following:
https://www.hmhco.com/css/home-cb79546a66.css
https://hello.myfonts.net/count/35098c
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priority - 9Avoid landing page redirects
Your page has 2 redirects. Redirects introduce additional delays before the page can be loaded.
Avoid landing page redirects for the following chain of redirected URLs.
http://hmhco.com/
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priority - 8Leverage browser caching
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priority - 1Reduce server response time
In our test, your server responded in 0.28 seconds.
priority - 1Enable compression
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hmhco.com Desktop Resource Breakdown
| Total Resources | 49 |
| Number of Hosts | 11 |
| Static Resources | 34 |
| JavaScript Resources | 13 |
| CSS Resources | 3 |
hmhco.com mobile page speed rank
Last tested: 2017-05-29
Mobile Speed
Bad
58/100
hmhco.com Mobile Speed Test Quick Summary
priority - 43Leverage browser caching
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priority - 21Optimize images
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priority - 8Eliminate 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.
Optimize CSS Delivery of the following:
https://www.hmhco.com/Sites/HMH/StyleSheets/foundation.min.css
priority - 2Enable 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 18.8KiB (68% reduction).
Compressing https://js.acq.io/ATRK_6700B927_min.js could save 14KiB (73% reduction).
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priority - 2Minify 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 15.7KiB (13% reduction).
Minifying https://www.hmhco.com/Sites/HMH/Javascript/splash/app.js could save 14.3KiB (12% reduction) after compression.
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Minifying https://connect.facebook.net/en_US/fbds.js could save 694B (33% reduction) after compression.
priority - 1Minify 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 9.7KiB (18% reduction).
Minifying https://www.hmhco.com/Sites/HMH/StyleSheets/app.css could save 4.7KiB (14% reduction) after compression.
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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 2.7KiB (19% reduction).
Minifying https://www.hmhco.com/ could save 2.7KiB (19% reduction) after compression.
hmhco.com Mobile Resource Breakdown
| Total Resources | 141 |
| Number of Hosts | 37 |
| Static Resources | 62 |
| JavaScript Resources | 42 |
| CSS Resources | 9 |
hmhco.com mobile page usability
Last tested: 2017-05-29
Mobile Usability
Good
95/100
hmhco.com Mobile Usability Test Quick Summary
priority - 4Size 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
<ol class="flex-control-n…control-paging">1234</ol> is close to 1 other tap targets.The tap target
<a href="#" class="flex-active">1</a> is close to 1 other tap targets.The tap target
<a href="#">2</a> and 2 others are close to other tap targets.The tap target
<a href="#" class="flex-prev"> is close to 1 other tap targets.The tap target
<a href="#" class="flex-next"> is close to 1 other tap targets.The tap target
<a href="/common/terms-of-use">Terms of Use</a> and 5 others are close to other tap targets.hmhco.com HTML validation
Errors
No space between attributes.
Line: 224 Column: - 22
"... data-close=""aria-label="Clo..." Line: 417 Column: - 28
"...-label="Search"data-js-hook="n..." Line: 511 Column: - 28
"...-label="Search"data-js-hook="n..." Line: 528 Column: - 38
"...avigation-menu"aria-label="Ope..."
"... data-close=""aria-label="Clo..." Line: 417 Column: - 28
"...-label="Search"data-js-hook="n..." Line: 511 Column: - 28
"...-label="Search"data-js-hook="n..." Line: 528 Column: - 38
"...avigation-menu"aria-label="Ope..."
Bad value “false” for attribute “autocomplete” on element “input”: The string “false” is not a valid autofill field name.
Line: 324 Column: - 9
"...> <input type="text" name="term" id="term" data-js-hook="" placeholder="Search by keyword or ISBN" required autocomplete="false" class="mdc-text-field__input u-style-weight-regular search-bar__email-input" > ..."
"...> <input type="text" name="term" id="term" data-js-hook="" placeholder="Search by keyword or ISBN" required autocomplete="false" class="mdc-text-field__input u-style-weight-regular search-bar__email-input" > ..."
Duplicate ID “cartButton”.
Line: 400 Column: 5 - 97
"...div> <div class="navigation__cart cart cartButton show-for-medium hide-for-large" id="cartButton"> ..." Line: 494 Column: 5 - 81
"...div> <div class="navigation__cart cart cartButton show-for-large" id="cartButton"> ..."
"...div> <div class="navigation__cart cart cartButton show-for-medium hide-for-large" id="cartButton"> ..." Line: 494 Column: 5 - 81
"...div> <div class="navigation__cart cart cartButton show-for-large" id="cartButton"> ..."
Element “img” is missing required attribute “src”.
Line: 706 Column: 21 - 125
"... <img srcset="https://s3.amazonaws.com/prod-hmhco-vmg-craftcms-public/home/Suncatcher_v4_2048x1537.png" /> ..." Line: 782 Column: 21 - 145
"... <img srcset="https://s3.amazonaws.com/prod-hmhco-vmg-craftcms-public/home/Learning-Company-Video_Screenshot3_WF608304.png" /> ..." Line: 834 Column: 21 - 144
"... <img srcset="https://s3.amazonaws.com/prod-hmhco-vmg-craftcms-public/home/ExploreClassrooms_ProofPoint_WF608304-copy.png" /> ..." Line: 863 Column: 21 - 130
"... <img srcset="https://s3.amazonaws.com/prod-hmhco-vmg-craftcms-public/home/Shaped_proof-points_WF608304.png" /> ..." Line: 892 Column: 21 - 125
"... <img srcset="https://s3.amazonaws.com/prod-hmhco-vmg-craftcms-public/home/CSR_ProofPoint_WF608304.png" /> ..." Line: 940 Column: 21 - 141
"... <img srcset="https://s3.amazonaws.com/prod-hmhco-vmg-craftcms-public/home/IntoLearning-Screenshot_Home_608304-new.png" /> ..." Line: 992 Column: 21 - 133
"... <img srcset="https://s3.amazonaws.com/prod-hmhco-vmg-craftcms-public/home/IntoReading_ProofPoint_WF608304.png" /> ..." Line: 1021 Column: 21 - 138
"... <img srcset="https://s3.amazonaws.com/prod-hmhco-vmg-craftcms-public/home/IntoLiterature_proof-points_WF608304.png" /> ..." Line: 1050 Column: 21 - 130
"... <img srcset="https://s3.amazonaws.com/prod-hmhco-vmg-craftcms-public/home/IntoMath_ProofPoint_WF608304.png" /> ..." Line: 1098 Column: 21 - 132
"... <img srcset="https://s3.amazonaws.com/prod-hmhco-vmg-craftcms-public/home/Jamaica-Screenshot_Home_608304.png" /> ..." Line: 1153 Column: 21 - 129
"... <img srcset="https://s3.amazonaws.com/prod-hmhco-vmg-craftcms-public/home/Angela_Read180_WF608304-new.png" /> ..." Line: 1194 Column: 21 - 115
"... <img srcset="https://s3.amazonaws.com/prod-hmhco-vmg-craftcms-public/home/Boy_WF6083041.png" /> ..." Line: 1259 Column: 21 - 131
"... <img srcset="https://s3.amazonaws.com/prod-hmhco-vmg-craftcms-public/home/Weston-Screenshot_Home_608304.png" /> ..." Line: 1314 Column: 21 - 123
"... <img srcset="https://s3.amazonaws.com/prod-hmhco-vmg-craftcms-public/home/ActforImpact_WF608304.png" /> ..." Line: 1355 Column: 21 - 117
"... <img srcset="https://s3.amazonaws.com/prod-hmhco-vmg-craftcms-public/home/Tyrone_WF608304.png" /> ..."
"... <img srcset="https://s3.amazonaws.com/prod-hmhco-vmg-craftcms-public/home/Suncatcher_v4_2048x1537.png" /> ..." Line: 782 Column: 21 - 145
"... <img srcset="https://s3.amazonaws.com/prod-hmhco-vmg-craftcms-public/home/Learning-Company-Video_Screenshot3_WF608304.png" /> ..." Line: 834 Column: 21 - 144
"... <img srcset="https://s3.amazonaws.com/prod-hmhco-vmg-craftcms-public/home/ExploreClassrooms_ProofPoint_WF608304-copy.png" /> ..." Line: 863 Column: 21 - 130
"... <img srcset="https://s3.amazonaws.com/prod-hmhco-vmg-craftcms-public/home/Shaped_proof-points_WF608304.png" /> ..." Line: 892 Column: 21 - 125
"... <img srcset="https://s3.amazonaws.com/prod-hmhco-vmg-craftcms-public/home/CSR_ProofPoint_WF608304.png" /> ..." Line: 940 Column: 21 - 141
"... <img srcset="https://s3.amazonaws.com/prod-hmhco-vmg-craftcms-public/home/IntoLearning-Screenshot_Home_608304-new.png" /> ..." Line: 992 Column: 21 - 133
"... <img srcset="https://s3.amazonaws.com/prod-hmhco-vmg-craftcms-public/home/IntoReading_ProofPoint_WF608304.png" /> ..." Line: 1021 Column: 21 - 138
"... <img srcset="https://s3.amazonaws.com/prod-hmhco-vmg-craftcms-public/home/IntoLiterature_proof-points_WF608304.png" /> ..." Line: 1050 Column: 21 - 130
"... <img srcset="https://s3.amazonaws.com/prod-hmhco-vmg-craftcms-public/home/IntoMath_ProofPoint_WF608304.png" /> ..." Line: 1098 Column: 21 - 132
"... <img srcset="https://s3.amazonaws.com/prod-hmhco-vmg-craftcms-public/home/Jamaica-Screenshot_Home_608304.png" /> ..." Line: 1153 Column: 21 - 129
"... <img srcset="https://s3.amazonaws.com/prod-hmhco-vmg-craftcms-public/home/Angela_Read180_WF608304-new.png" /> ..." Line: 1194 Column: 21 - 115
"... <img srcset="https://s3.amazonaws.com/prod-hmhco-vmg-craftcms-public/home/Boy_WF6083041.png" /> ..." Line: 1259 Column: 21 - 131
"... <img srcset="https://s3.amazonaws.com/prod-hmhco-vmg-craftcms-public/home/Weston-Screenshot_Home_608304.png" /> ..." Line: 1314 Column: 21 - 123
"... <img srcset="https://s3.amazonaws.com/prod-hmhco-vmg-craftcms-public/home/ActforImpact_WF608304.png" /> ..." Line: 1355 Column: 21 - 117
"... <img srcset="https://s3.amazonaws.com/prod-hmhco-vmg-craftcms-public/home/Tyrone_WF608304.png" /> ..."
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Line: 706 Column: 21 - 125
"... <img srcset="https://s3.amazonaws.com/prod-hmhco-vmg-craftcms-public/home/Suncatcher_v4_2048x1537.png" /> ..." Line: 782 Column: 21 - 145
"... <img srcset="https://s3.amazonaws.com/prod-hmhco-vmg-craftcms-public/home/Learning-Company-Video_Screenshot3_WF608304.png" /> ..." Line: 834 Column: 21 - 144
"... <img srcset="https://s3.amazonaws.com/prod-hmhco-vmg-craftcms-public/home/ExploreClassrooms_ProofPoint_WF608304-copy.png" /> ..." Line: 863 Column: 21 - 130
"... <img srcset="https://s3.amazonaws.com/prod-hmhco-vmg-craftcms-public/home/Shaped_proof-points_WF608304.png" /> ..." Line: 892 Column: 21 - 125
"... <img srcset="https://s3.amazonaws.com/prod-hmhco-vmg-craftcms-public/home/CSR_ProofPoint_WF608304.png" /> ..." Line: 940 Column: 21 - 141
"... <img srcset="https://s3.amazonaws.com/prod-hmhco-vmg-craftcms-public/home/IntoLearning-Screenshot_Home_608304-new.png" /> ..." Line: 992 Column: 21 - 133
"... <img srcset="https://s3.amazonaws.com/prod-hmhco-vmg-craftcms-public/home/IntoReading_ProofPoint_WF608304.png" /> ..." Line: 1021 Column: 21 - 138
"... <img srcset="https://s3.amazonaws.com/prod-hmhco-vmg-craftcms-public/home/IntoLiterature_proof-points_WF608304.png" /> ..." Line: 1050 Column: 21 - 130
"... <img srcset="https://s3.amazonaws.com/prod-hmhco-vmg-craftcms-public/home/IntoMath_ProofPoint_WF608304.png" /> ..." Line: 1098 Column: 21 - 132
"... <img srcset="https://s3.amazonaws.com/prod-hmhco-vmg-craftcms-public/home/Jamaica-Screenshot_Home_608304.png" /> ..." Line: 1153 Column: 21 - 129
"... <img srcset="https://s3.amazonaws.com/prod-hmhco-vmg-craftcms-public/home/Angela_Read180_WF608304-new.png" /> ..." Line: 1194 Column: 21 - 115
"... <img srcset="https://s3.amazonaws.com/prod-hmhco-vmg-craftcms-public/home/Boy_WF6083041.png" /> ..." Line: 1259 Column: 21 - 131
"... <img srcset="https://s3.amazonaws.com/prod-hmhco-vmg-craftcms-public/home/Weston-Screenshot_Home_608304.png" /> ..." Line: 1314 Column: 21 - 123
"... <img srcset="https://s3.amazonaws.com/prod-hmhco-vmg-craftcms-public/home/ActforImpact_WF608304.png" /> ..." Line: 1355 Column: 21 - 117
"... <img srcset="https://s3.amazonaws.com/prod-hmhco-vmg-craftcms-public/home/Tyrone_WF608304.png" /> ..."
"... <img srcset="https://s3.amazonaws.com/prod-hmhco-vmg-craftcms-public/home/Suncatcher_v4_2048x1537.png" /> ..." Line: 782 Column: 21 - 145
"... <img srcset="https://s3.amazonaws.com/prod-hmhco-vmg-craftcms-public/home/Learning-Company-Video_Screenshot3_WF608304.png" /> ..." Line: 834 Column: 21 - 144
"... <img srcset="https://s3.amazonaws.com/prod-hmhco-vmg-craftcms-public/home/ExploreClassrooms_ProofPoint_WF608304-copy.png" /> ..." Line: 863 Column: 21 - 130
"... <img srcset="https://s3.amazonaws.com/prod-hmhco-vmg-craftcms-public/home/Shaped_proof-points_WF608304.png" /> ..." Line: 892 Column: 21 - 125
"... <img srcset="https://s3.amazonaws.com/prod-hmhco-vmg-craftcms-public/home/CSR_ProofPoint_WF608304.png" /> ..." Line: 940 Column: 21 - 141
"... <img srcset="https://s3.amazonaws.com/prod-hmhco-vmg-craftcms-public/home/IntoLearning-Screenshot_Home_608304-new.png" /> ..." Line: 992 Column: 21 - 133
"... <img srcset="https://s3.amazonaws.com/prod-hmhco-vmg-craftcms-public/home/IntoReading_ProofPoint_WF608304.png" /> ..." Line: 1021 Column: 21 - 138
"... <img srcset="https://s3.amazonaws.com/prod-hmhco-vmg-craftcms-public/home/IntoLiterature_proof-points_WF608304.png" /> ..." Line: 1050 Column: 21 - 130
"... <img srcset="https://s3.amazonaws.com/prod-hmhco-vmg-craftcms-public/home/IntoMath_ProofPoint_WF608304.png" /> ..." Line: 1098 Column: 21 - 132
"... <img srcset="https://s3.amazonaws.com/prod-hmhco-vmg-craftcms-public/home/Jamaica-Screenshot_Home_608304.png" /> ..." Line: 1153 Column: 21 - 129
"... <img srcset="https://s3.amazonaws.com/prod-hmhco-vmg-craftcms-public/home/Angela_Read180_WF608304-new.png" /> ..." Line: 1194 Column: 21 - 115
"... <img srcset="https://s3.amazonaws.com/prod-hmhco-vmg-craftcms-public/home/Boy_WF6083041.png" /> ..." Line: 1259 Column: 21 - 131
"... <img srcset="https://s3.amazonaws.com/prod-hmhco-vmg-craftcms-public/home/Weston-Screenshot_Home_608304.png" /> ..." Line: 1314 Column: 21 - 123
"... <img srcset="https://s3.amazonaws.com/prod-hmhco-vmg-craftcms-public/home/ActforImpact_WF608304.png" /> ..." Line: 1355 Column: 21 - 117
"... <img srcset="https://s3.amazonaws.com/prod-hmhco-vmg-craftcms-public/home/Tyrone_WF608304.png" /> ..."
Duplicate ID “Layer_2”.
Line: 743 Column: 9 - 44
"...> <g id="Layer_2" data-name="Layer 2"> ..."
"...> <g id="Layer_2" data-name="Layer 2"> ..."
Duplicate ID “Layer_1-2”.
Line: 744 Column: 13 - 50
"... <g id="Layer_1-2" data-name="Layer 1"> ..."
"... <g id="Layer_1-2" data-name="Layer 1"> ..."
Duplicate attribute “target”.
Line: 901 Column: - 170
"...bility" target="_blank" ..." Line: 1324 Column: - 243
"...8.aspx" target="_blank" ..."
"...bility" target="_blank" ..." Line: 1324 Column: - 243
"...8.aspx" target="_blank" ..."
Duplicate ID “Play-Bt”.
Line: 950 Column: 9 - 24
"...> <g id="Play-Bt"> ..." Line: 1108 Column: 9 - 24
"...> <g id="Play-Bt"> ..." Line: 1269 Column: 9 - 24
"...> <g id="Play-Bt"> ..."
"...> <g id="Play-Bt"> ..." Line: 1108 Column: 9 - 24
"...> <g id="Play-Bt"> ..." Line: 1269 Column: 9 - 24
"...> <g id="Play-Bt"> ..."
Warnings
The first occurrence of ID “cartButton” was here.
Line: 286 Column: 5 - 113
"...div> <div class="navigation__cart cart cartButton nav-off-canvas__lower-menu-item hide-for-large" id="cartButton"> ..." Line: 286 Column: 5 - 113
"...div> <div class="navigation__cart cart cartButton nav-off-canvas__lower-menu-item hide-for-large" id="cartButton"> ..."
"...div> <div class="navigation__cart cart cartButton nav-off-canvas__lower-menu-item hide-for-large" id="cartButton"> ..." Line: 286 Column: 5 - 113
"...div> <div class="navigation__cart cart cartButton nav-off-canvas__lower-menu-item hide-for-large" id="cartButton"> ..."
The first occurrence of ID “Layer_2” was here.
Line: 435 Column: 9 - 44
"...> <g id="Layer_2" data-name="Layer 2"> ..."
"...> <g id="Layer_2" data-name="Layer 2"> ..."
The first occurrence of ID “Layer_1-2” was here.
Line: 436 Column: 13 - 50
"... <g id="Layer_1-2" data-name="Layer 1"> ..."
"... <g id="Layer_1-2" data-name="Layer 1"> ..."
The first occurrence of ID “Play-Bt” was here.
Line: 792 Column: 9 - 24
"...> <g id="Play-Bt"> ..." Line: 792 Column: 9 - 24
"...> <g id="Play-Bt"> ..." Line: 792 Column: 9 - 24
"...> <g id="Play-Bt"> ..."
"...> <g id="Play-Bt"> ..." Line: 792 Column: 9 - 24
"...> <g id="Play-Bt"> ..." Line: 792 Column: 9 - 24
"...> <g id="Play-Bt"> ..."
The “type” attribute is unnecessary for JavaScript resources.
Line: 1572 Column: 5 - 88
"... <script type="text/javascript" async defer src="//assets.pinterest.com/js/pinit.js"></scri..."
"... <script type="text/javascript" async defer src="//assets.pinterest.com/js/pinit.js"></scri..."
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hmhco.com 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.
hmhco.com 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.