last data update: 2011/10/21, 02:16

Website loading time

during the test: 2.76 s

cable connection (average): 2.8 s

DSL connection (average): 2.85 s

modem (average): 5.14 s

HTTP headers

Information about DNS servers

is4u.czNSns1.is4u.czIN42891
is4u.czNSns4.is4u.czIN42891
is4u.czNSns2.is4u.czIN42891
is4u.czNSns3.is4u.czIN42891

Received from the first DNS server

Request to the server "is4u.cz"
You used the following DNS server:
DNS Name: ns1.is4u.cz
DNS Server Address: 79.125.21.172#53
DNS server aliases:

HEADER opcode: REQUEST, status: NOERROR, id: 18266
flag: qr aa rd REQUEST: 1, ANSWER: 9, AUTHORITY: 0, ADDITIONAL: 6

REQUEST SECTION:
is4u.cz. IN ANY

ANSWER SECTION:
is4u.cz. 86400 IN SOA ns1.is4u.cz. hostmaster.is4u.cz. 2011090800 10800 3600 604800 86400
is4u.cz. 86400 IN NS ns4.is4u.cz.
is4u.cz. 86400 IN NS ns1.is4u.cz.
is4u.cz. 86400 IN NS ns2.is4u.cz.
is4u.cz. 86400 IN NS ns3.is4u.cz.
is4u.cz. 86400 IN MX 8 mail.is4u.cz.
is4u.cz. 86400 IN MX 10 tea.zacni.cz.
is4u.cz. 86400 IN A 79.125.21.172
is4u.cz. 86400 IN TXT "v=spf1 a:ec2-79-125-21-172.eu-west-1.compute.amazonaws.com mx ptr ?all"

SECTION NOTES:
ns1.is4u.cz. 86400 IN A 79.125.21.172
ns2.is4u.cz. 86400 IN A 217.11.251.129
ns3.is4u.cz. 86400 IN A 46.51.190.142
ns4.is4u.cz. 86400 IN A 83.167.248.235
mail.is4u.cz. 86400 IN A 79.125.21.172
tea.zacni.cz. 86400 IN A 217.11.251.129

Received 386 bytes from address 79.125.21.172#53 in 94 ms

Received from the second DNS server

Request to the server "is4u.cz"
You used the following DNS server:
DNS Name: ns4.is4u.cz
DNS Server Address: 83.167.248.235#53
DNS server aliases:

HEADER opcode: REQUEST, status: NOERROR, id: 8648
flag: qr aa rd REQUEST: 1, ANSWER: 9, AUTHORITY: 0, ADDITIONAL: 6

REQUEST SECTION:
is4u.cz. IN ANY

ANSWER SECTION:
is4u.cz. 86400 IN SOA ns1.is4u.cz. hostmaster.is4u.cz. 2011090800 10800 3600 604800 86400
is4u.cz. 86400 IN NS ns1.is4u.cz.
is4u.cz. 86400 IN NS ns2.is4u.cz.
is4u.cz. 86400 IN NS ns3.is4u.cz.
is4u.cz. 86400 IN NS ns4.is4u.cz.
is4u.cz. 86400 IN A 79.125.21.172
is4u.cz. 86400 IN MX 8 mail.is4u.cz.
is4u.cz. 86400 IN MX 10 tea.zacni.cz.
is4u.cz. 86400 IN TXT "v=spf1 a:ec2-79-125-21-172.eu-west-1.compute.amazonaws.com mx ptr ?all"

SECTION NOTES:
ns1.is4u.cz. 86400 IN A 79.125.21.172
ns2.is4u.cz. 86400 IN A 217.11.251.129
ns3.is4u.cz. 86400 IN A 46.51.190.142
ns4.is4u.cz. 86400 IN A 83.167.248.235
mail.is4u.cz. 86400 IN A 79.125.21.172
tea.zacni.cz. 86400 IN A 217.11.251.129

Received 386 bytes from address 83.167.248.235#53 in 98 ms

Subdomains (the first 50)

Typos (misspells)

us4u.cz
js4u.cz
ks4u.cz
os4u.cz
9s4u.cz
8s4u.cz
ia4u.cz
iz4u.cz
ix4u.cz
id4u.cz
ie4u.cz
iw4u.cz
is3u.cz
iseu.cz
isru.cz
is5u.cz
is4y.cz
is4h.cz
is4j.cz
is4i.cz
is48.cz
is47.cz
s4u.cz
i4u.cz
isu.cz
is4.cz
si4u.cz
i4su.cz
isu4.cz
iis4u.cz
iss4u.cz
is44u.cz
is4uu.cz

Location

IP: 79.125.21.172

continent: EU, country: Ireland (IRL), city:

Website value

rank in the traffic statistics:

There is not enough data to estimate website value.

Basic information

website build using CSS

code weight: 16.63 KB

text per all code ratio: 48 %

title: IS4U, s.r.o. - Introduction of company

description: IS4U, s.r.o. focuses on complex delivery of customized applications and information systems. Its development team consisting of twenty IT specialists has designed an extensive information system for study administration implemented at Czech and Slovak universities. Do not hesitate to contact us. We are ready to find solution to your IT problems.

keywords: development, information systems, design, analysis, contract

encoding: utf-8

language: en

Website code analysis

one word phrases repeated minimum three times

PhraseQuantity
of4

two word phrases repeated minimum three times

three word phrases repeated minimum three times

B tags

U tags

I tags

images

file namealternative text

headers

H1

IS4U, s.r.o.

H2

News

They Said About Us

H3

News

They Said About Us

H4

H5

H6

internal links

addressanchor text
English
English
Česky
Česky
English
Slovensky
IS4U, s.r.o.
Úvod
Služby
O nás
Contact us
information and
development of
consultations
team of more than 20 professionals
More information
stand
invitation
press release
More news
up
down
More references
info@is4u.cz

external links

addressanchor text
JIC
installation
Slovak University of Agriculture in Nitra
UNINFOS 2011
Pan European University
EDU
One
Mendel University in Brno
Technical University in Zvolen