openstax ✓ Podręcznik | Studia | Fizyka | Psychologia

Pagespeed Score

Desktop	96/100	✔
Mobile	81/100	✔

Optimization Stats

Field	Data	Result
Page Size	23 KB	✔
Compression	6 KB (-74.7%)	✔
Text/Html Ratio	4398 / 23639 (bytes) = 18.6%	✔
Load Time	0.46 second	✔
Mobile Ready	0/100	✘
In-Page Links	17	✔
Doc Type	HTML 5	✔
Encoding	UTF-8	✔
Declared Language	Polish	✔
Preferred Domain	Yes	✔
Robots.txt	No	✘
Url Rewrite	No	✔
Underscores in url	No	✔
Images Without ALT	0 / 7	✔
Embedded Objects (Desktop)	No	✔
Embedded Objects (Mobile)	No	✔
Iframe	No	✔
Custom 404 page	Yes	✔
Email Privacy	Yes	✔
Gsafe browsing	Yes	✔
Analytics	No	✘
W3C Validity	No	✘

Keyword Consistency ✔

Keywords	Freq	Title	Desc	<H>
openstax	7	✘	✔	✘
przez	6	✘	✘	✘
się	5	✘	✘	✘
podrĘczniki	3	✘	✘	✘
podręczników	3	✘	✘	✘
online	3	✘	✔	✘
jest	3	✘	✘	✘
podręczniki	3	✘	✔	✘
wesprzyj	3	✘	✘	✘
powiedz	2	✘	✘	✘
profit	2	✘	✔	✘
naszych	2	✘	✘	✘
podrĘcznik	2	✘	✘	✘
opublikowane	2	✘	✘	✘
newsletter	2	✘	✘	✘

75/100

Update

June, 23 2023

With 0.46 seconds in page load, 23 KB of page size and all other reports below, the openstax.pl has a SEO score of 75 out of 100

Meta tags data

Title	Podręcznik \| Studia \| Fizyka \| Psychologia \| Mikroekonomia
Description	OpenStax Poland. Wydajemy recenzowane, darmowe podręczniki akademickie online. Wysoka jakość, otwarty dostęp. Non profit.
Keyword

Domain Registration

Age	5 Years, 305 Days
Created	22nd-Aug-2017
Updated	20th-Jan-2023
Expiry	22nd-Aug-2023

DNS Data

Host	Type	Ttl	Other
openstax.pl	A	293	ip:104.21.89.3
openstax.pl	A	293	ip:172.67.155.53
openstax.pl	NS	86392	target:ivan.ns.cloudflare.com
openstax.pl	NS	86392	target:deb.ns.cloudflare.com
openstax.pl	SOA	3600	mname:deb.ns.cloudflare.com rname:dns.cloudflare.com serial:2310281988 refresh:10000 retry:2400 expire:604800 minimum-ttl:3600
openstax.pl	MX	300	pri:5 target:alt1.aspmx.l.google.com
openstax.pl	MX	300	pri:10 target:alt4.aspmx.l.google.com
openstax.pl	MX	300	pri:1 target:aspmx.l.google.com
openstax.pl	MX	300	pri:5 target:alt2.aspmx.l.google.com
openstax.pl	MX	300	pri:10 target:alt3.aspmx.l.google.com
openstax.pl	TXT	300	txt:google-site-verification=DhZ11dkEkrab0qiztln-g8FFrowWZAzTvKn6XP-Tces
openstax.pl	TXT	300	txt:v=spf1 +ip4:193.107.88.136 +ip4:193.107.88.220 +include:_spf.google.com ~all
openstax.pl	AAAA	293	ipv6:2606:4700:3030::6815:5903
openstax.pl	AAAA	293	ipv6:2606:4700:3030::ac43:9b35

http Headers

HTTP/1.1 301 Moved Permanently
Date: Fri, 23 Jun 2023 05:49:06 GMT
Transfer-Encoding: chunked
Connection: keep-alive
Cache-Control: max-age=3600
Expires: Fri, 23 Jun 2023 06:49:06 GMT
Location: https://openstax.pl/
Report-To: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=Roj%2BwUS2oUMv%2BAW3b9jeNqKF%2BHbSGUy5Ge3aai%2FaYYpRg9T7gyaMAmngJmMpXOo%2FVaVGrUQHScnNfuKhxxUC0g%2FxXENjHNBREQfbgw1aADSH2LRGQzfPb5dh8cFUJtBWu0ESYtaKke9a6g%3D%3D"}],"group":"cf-nel","max_age":604800}
NEL: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
Server: cloudflare
CF-RAY: 7dba72209c5242f8-EWR
alt-svc: h3=":443"; ma=86400

HTTP/2 200
date: Fri, 23 Jun 2023 05:49:06 GMT
content-type: text/html; charset=UTF-8
x-powered-by: PHP/8.0.26
link: ; rel="https://api.w.org/"
link: ; rel="alternate"; type="application/json"
link: ; rel=shortlink
x-content-type-options: nosniff
cf-cache-status: DYNAMIC
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=mCvOOuYQN73XPrn5Zm9F7Ey%2FwgUfMegSwAfvfgn0%2FIO97Ezc6JKnkyROHJ2Y6CEXdCLPpB5l4L660fgaUUTp%2Frc7eW7cJZZYhCHD0rmK2de3gWvcuoMcBUXYTumVTym5r5eh8vCn7LOFdQ%3D%3D"}],"group":"cf-nel","max_age":604800}
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server: cloudflare
cf-ray: 7dba7220dd7b0cb2-EWR
alt-svc: h3=":443"; ma=86400

WHOIS Data

DOMAIN NAME: openstax.pl

registrant type: organization

nameservers: deb.ns.cloudflare.com.

ivan.ns.cloudflare.com.

created: 2017.08.22 11:28:13

last modified: 2023.01.20 21:43:20

renewal date: 2023.08.22 11:28:13

no option

dnssec: Unsigned

REGISTRAR:

Kylos Sp. z o. o.

ul. Wróblewskiego 18

93-578 Łódź

+48422996733

info@kylos.pl

WHOIS database responses: https://dns.pl/en/whois

WHOIS displays data with a delay not exceeding 15 minutes in relation to the .pl Registry system

Server Location

Server IP	104.21.89.3
Server Location	United States of America
Service Provider	CLOUDFLARENET

Domain Availability

Domains (TLD)	Status
openstax.com	Already Registered
openstax.net	Already Registered
openstax.org	Already Registered
openstax.biz	Available
openstax.io	Already Registered

Typo Availability

Domains (TLD)	Status
ipenstax.pl	Available
kpenstax.pl	Available
lpenstax.pl	Available
ppenstax.pl	Available
ooenstax.pl	Available

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