| Desktop | 59/100 | ❗ |
| Mobile | 28/100 | ✘ |
| Field | Data | Result |
|---|---|---|
| Page Size | 55 KB | ✔ |
| Compression | 12 KB (-77.5%) | ✔ |
| Text/Html Ratio | 581 / 56665 (bytes) = 1.03% | ✘ |
| Load Time | 0.06 second | ✔ |
| Mobile Ready | 0/100 | ✘ |
| In-Page Links | 20 | ✔ |
| Doc Type | HTML 5 | ✔ |
| Encoding | UTF-8 | ✔ |
| Declared Language | EN-US | ✔ |
| Preferred Domain | Yes | ✔ |
| Robots.txt | Yes | ✔ |
| Url Rewrite | No | ✔ |
| Underscores in url | No | ✔ | Images Without ALT | 0 / 0 | ✔ |
| Embedded Objects (Desktop) | No | ✔ |
| Embedded Objects (Mobile) | No | ✔ |
| Iframe | No | ✔ |
| Custom 404 page | Yes | ✔ |
| Email Privacy | No | ✘ |
| Gsafe browsing | Yes | ✔ |
| Analytics | Yes | ✔ |
| W3C Validity | No | ✘ |
| Keywords | Freq | Title | Desc | <H> |
|---|---|---|---|---|
| apex | 3 | ✔ | ✔ | ✘ |
| home | 3 | ✘ | ✘ | ✘ |
| page | 2 | ✘ | ✘ | ✘ |
| other | 2 | ✘ | ✘ | ✘ |
| calculus | 2 | ✔ | ✔ | ✘ |
| cart | 2 | ✘ | ✘ | ✘ |
| purchase | 1 | ✘ | ✘ | ✘ |
| copy | 1 | ✘ | ✘ | ✘ |
| interesting | 1 | ✘ | ✘ | ✘ |
| individual | 1 | ✘ | ✘ | ✘ |
| copies | 1 | ✘ | ✘ | ✘ |
| hard | 1 | ✘ | ✘ | ✘ |
| purchase | 1 | ✘ | ✘ | ✘ |
| below | 1 | ✘ | ✘ | ✘ |
| find | 1 | ✘ | ✘ | ✘ |
|
With 0.06 seconds in page load, 55 KB of page size and all other reports below, the apexcalculus.com has a SEO score of 69 out of 100 |
| Title | APEX Calculus |
| Description | APEX Calculus is an open source calculus text, sometimes called an etext. Available in print and in .pdf form; less expensive than traditional textbooks. |
| Keyword |
| Age | 8 Years, 361 Days |
| Created | 25th-Nov-2014 |
| Updated | 10th-Nov-2023 |
| Expiry | 25th-Nov-2024 |
| Host | Type | Ttl | Other |
|---|---|---|---|
| apexcalculus.com | A | 14396 | ip:198.185.159.145 |
| apexcalculus.com | NS | 3600 | target:ns03.squarespacedns.com |
| apexcalculus.com | NS | 3600 | target:ns02.squarespacedns.com |
| apexcalculus.com | NS | 3600 | target:dns4.p05.nsone.net |
| apexcalculus.com | NS | 3600 | target:dns2.p05.nsone.net |
| apexcalculus.com | NS | 3600 | target:ns01.squarespacedns.com |
| apexcalculus.com | NS | 3600 | target:dns1.p05.nsone.net |
| apexcalculus.com | NS | 3600 | target:dns3.p05.nsone.net |
| apexcalculus.com | NS | 3600 | target:ns04.squarespacedns.com |
| apexcalculus.com | SOA | 3600 | mname:dns1.p05.nsone.netrname:hostmaster.nsone.netserial:1479097230refresh:43200retry:7200expire:1209600minimum-ttl:3600 |
|
HTTP/1.1 400 Bad Request Cache-Control: no-cache, must-revalidate Content-Length: 77564 Content-Type: text/html; charset=UTF-8 Date: Tue, 21 Nov 2023 11:47:19 UTC Expires: Thu, 01 Jan 1970 00:00:00 UTC Pragma: no-cache Server: Squarespace X-Contextid: Vmoa84Tz/OJfwUHyq |
|
Domain Name: APEXCALCULUS.COM Registry Domain ID: 1887035328_DOMAIN_COM-VRSN Registrar WHOIS Server: whois.tucows.com Registrar URL: http://tucowsdomains.com Updated Date: 2023-11-10T04:07:14 Creation Date: 2014-11-25T00:25:05 Registrar Registration Expiration Date: 2024-11-25T00:25:05 Registrar: TUCOWS, INC. Registrar IANA ID: 69 Reseller: Squarespace Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited Domain Status: clientUpdateProhibited https://icann.org/epp#clientUpdateProhibited Registry Registrant ID: Registrant Name: Contact Privacy Inc. Customer 0138882553 Registrant Organization: Contact Privacy Inc. Customer 0138882553 Registrant Street: 96 Mowat Ave Registrant City: Toronto Registrant State/Province: ON Registrant Postal Code: M6K 3M1 Registrant Country: CA Registrant Phone: +1.4165385457 Registrant Phone Ext: Registrant Fax: Registrant Fax Ext: Registrant Email: apexcalculus.com@contactprivacy.com Registry Admin ID: Admin Name: Contact Privacy Inc. Customer 0138882553 Admin Organization: Contact Privacy Inc. Customer 0138882553 Admin Street: 96 Mowat Ave Admin City: Toronto Admin State/Province: ON Admin Postal Code: M6K 3M1 Admin Country: CA Admin Phone: +1.4165385457 Admin Phone Ext: Admin Fax: Admin Fax Ext: Admin Email: apexcalculus.com@contactprivacy.com Registry Tech ID: Tech Name: Contact Privacy Inc. Customer 0138882553 Tech Organization: Contact Privacy Inc. Customer 0138882553 Tech Street: 96 Mowat Ave Tech City: Toronto Tech State/Province: ON Tech Postal Code: M6K 3M1 Tech Country: CA Tech Phone: +1.4165385457 Tech Phone Ext: Tech Fax: Tech Fax Ext: Tech Email: apexcalculus.com@contactprivacy.com Name Server: dns1.p05.nsone.net Name Server: dns2.p05.nsone.net Name Server: dns3.p05.nsone.net Name Server: dns4.p05.nsone.net DNSSEC: unsigned Registrar Abuse Contact Email: domainabuse@tucows.com Registrar Abuse Contact Phone: +1.4165350123 URL of the ICANN WHOIS Data Problem Reporting System: https://icann.org/wicf >>> Last update of WHOIS database: 2023-11-21T11:47:20Z |
| Server IP | 198.185.159.145 |
| Server Location | United States of America |
| Service Provider | SQUARESPACE |
| Domains (TLD) | Status |
|---|---|
| apexcalculus.net | Available |
| apexcalculus.org | Already Registered |
| apexcalculus.biz | Available |
| apexcalculus.io | Already Registered |
| apexcalculus.info | Already Registered |
| Domains (TLD) | Status |
|---|---|
| qpexcalculus.com | Available |
| wpexcalculus.com | Available |
| zpexcalculus.com | Available |
| xpexcalculus.com | Available |
| aoexcalculus.com | Available |
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