TESCO.COM Tesco - Online Groceries, Homeware, Electricals & Clothing

tesco.com Website Information

Daily Unique Visits: 224,197

Daily Page Views: 1,793,576

Income Per Day: $1,794

Estimated Value: $1,937,520

This website is located in United States and is using following IP address 156.154.166.223. See the complete list of popular websites hosted in United States.

tesco.com is registered under .COM top-level domain. Please check other sites in .COM zone.

Website tesco.com is using the following name servers:

  • pdns194.ultradns.net
  • pdns194.ultradns.biz
  • pdns194.ultradns.org
  • pdns194.ultradns.info
  • pdns194.ultradns.co.uk
  • pdns194.ultradns.com

and is probably hosted by NEUSTAR-AS6 - NeuStar, Inc., US. See the full list of other websites hosted by NEUSTAR-AS6 - NeuStar, Inc., US.

The highest website tesco.com position in Alexa rank database was 686 and the lowest rank position was 39185. Current position of tesco.com in Alexa rank database is 6797.

Desktop speed score of tesco.com (67/100) is better than the results of 46.16% of other sites and shows that the page desktop performance can be improved.

Mobile usability score of tesco.com (100/100) is better than the results of 100% of other sites and means that the page is mobile-friendly.

Mobile speed score of tesco.com (57/100) is better than the results of 47.21% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

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tesco.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.


tesco.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: TESCO.COM
Registry Domain ID: 910281_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.markmonitor.com
Registrar URL: http://www.markmonitor.com
Updated Date: 2017-11-17T10:10:44Z
Creation Date: 1994-12-20T05:00:00Z
Registry Expiry Date: 2019-12-19T05:00:00Z
Registrar: MarkMonitor Inc.
Registrar IANA ID: 292
Registrar Abuse Contact Email: abusecomplaints@markmonitor.com
Registrar Abuse Contact Phone: +1.2083895740
Domain Status: clientDeleteProhibited https://icann.org/epp#clientDeleteProhibited
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Domain Status: clientUpdateProhibited https://icann.org/epp#clientUpdateProhibited
Name Server: PDNS194.ULTRADNS.BIZ
Name Server: PDNS194.ULTRADNS.CO.UK
Name Server: PDNS194.ULTRADNS.COM
Name Server: PDNS194.ULTRADNS.INFO
Name Server: PDNS194.ULTRADNS.NET
Name Server: PDNS194.ULTRADNS.ORG
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2018-03-23T21:12:28Z

tesco.com server information

Servers Location

tesco.com desktop page speed rank

Last tested: 2017-10-09


Desktop Speed Medium
67/100

tesco.com Desktop Speed Test Quick Summary


priority - 23 Optimize images

Properly formatting and compressing images can save many bytes of data.

Optimize the following images to reduce their size by 225.1KiB (32% reduction).

Compressing https://assets.api.tesco.com/mediadb/services/modu….jpg/image617x1000.jpg could save 43.7KiB (38% reduction).
Compressing https://assets.api.tesco.com/mediadb/services/modu….jpg/image729x1000.jpg could save 35.3KiB (32% reduction).
Compressing https://assets.api.tesco.com/mediadb/services/modu….jpg/image617x1000.jpg could save 28.8KiB (40% reduction).
Compressing https://assets.api.tesco.com/mediadb/services/modu….jpg/image729x1000.jpg could save 27.9KiB (34% reduction).
Compressing https://assets.api.tesco.com/mediadb/services/modu….jpg/image729x1000.jpg could save 19.7KiB (32% reduction).
Compressing https://assets.api.tesco.com/mediadb/services/modu….jpg/image729x1000.jpg could save 18.4KiB (27% reduction).
Compressing https://assets.api.tesco.com/mediadb/services/modu….jpg/image357x1000.jpg could save 15KiB (34% reduction).
Compressing https://assets.api.tesco.com/mediadb/services/modu….jpg/image357x1000.jpg could save 13.5KiB (36% reduction).
Compressing https://assets.api.tesco.com/mediadb/services/modu….jpg/image617x1000.jpg could save 9.4KiB (30% reduction).
Compressing https://assets.api.tesco.com/mediadb/services/modu….jpg/image357x1000.jpg could save 7.3KiB (19% reduction).
Compressing https://assets.api.tesco.com/mediadb/services/modu….jpg/image357x1000.jpg could save 6.3KiB (17% reduction).

priority - 12 Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 1 blocking script resources and 1 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

https://cdn.optimizely.com/js/8424960517.js

Optimize CSS Delivery of the following:

https://www.tesco.com/ce-assets/built/main-43a27a8…a50e50c9f03c861c2b.css

priority - 7 Avoid 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://tesco.com/
http://www.tesco.com/
https://www.tesco.com/

priority - 3 Reduce server response time

priority - 2 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://assets.adobedtm.com/07f4803ba7577af91bd0d0…3b87c2cf15b3d97c64b.js (expiration not specified)
https://assets.adobedtm.com/07f4803ba7577af91bd0d0…1865bd3d6ff3a558b60.js (expiration not specified)
https://assets.adobedtm.com/07f4803ba7577af91bd0d0…bc864746d6e6900837a.js (expiration not specified)
https://cdn.optimizely.com/js/8424960517.js (2 minutes)
https://ssl.google-analytics.com/analytics.js (2 hours)

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 56% of the final above-the-fold content could be rendered with the full HTML response.

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 1.2KiB (54% reduction).

Minifying https://www.tesco.com/ce-assets/built/gertcha-1744…168c3d6b6384c38658e.js could save 1.2KiB (54% reduction) after compression.

tesco.com Desktop Resource Breakdown

Total Resources38
Number of Hosts13
Static Resources26
JavaScript Resources9
CSS Resources1

tesco.com mobile page speed rank

Last tested: 2016-06-12


Mobile Speed Bad
57/100

tesco.com Mobile Speed Test Quick Summary


priority - 64 Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 5 blocking script resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

http://assets.adobedtm.com/07f4803ba7577af91bd0d0b…7e9fba7c01799b47ec4.js
http://assets.adobedtm.com/07f4803ba7577af91bd0d0b…77a684e10d5333c168f.js
http://cdn.tt.omtrdc.net/cdn/target.js
http://tescostoresltd.tt.omtrdc.net/m2/tescostores…ferrer=&mboxVersion=58
https://cdn.optimizely.com/js/5974661041.js

priority - 8 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.

99.8KiB of the HTML response was required to render the above-the-fold content. This requires 3 network round-trips. Prioritize the above-the-fold content so that it can be rendered with only the first 2 round-trips' worth of HTML.

None of the final above-the-fold content could be rendered with the HTML delivered within 2 round-trips.

priority - 6 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:

http://assets.adobedtm.com/07f4803ba7577af91bd0d0b…77a684e10d5333c168f.js (expiration not specified)
http://assets.adobedtm.com/07f4803ba7577af91bd0d0b…b768241a468463713ce.js (expiration not specified)
http://assets.adobedtm.com/07f4803ba7577af91bd0d0b…7e9fba7c01799b47ec4.js (expiration not specified)
https://cdn.optimizely.com/js/5974661041.js (2 minutes)
http://cdn.tt.omtrdc.net/cdn/target.js (60 minutes)
http://www.tesco.com/global/components/footer/reso…s/css/footer_1.0.0.css (3 hours)
http://www.tesco.com/global/components/footer/resources/js/footer.js (3 hours)
http://www.tesco.com/global/fonts/ddl-fonts/tescob.ttf (3 hours)

priority - 1 Reduce server response 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 877B (53% reduction).

Compressing http://tescostoresltd.tt.omtrdc.net/m2/tescostores…ferrer=&mboxVersion=58 could save 877B (53% reduction).

tesco.com Mobile Resource Breakdown

Total Resources14
Number of Hosts8
Static Resources8
JavaScript Resources8
CSS Resources1

tesco.com mobile page usability

Last tested: 2016-06-12


Mobile Usability Good
100/100

tesco.com Mobile Resource Breakdown

Total Resources14
Number of Hosts8
Static Resources8
JavaScript Resources8
CSS Resources1

tesco.com HTML validation

Warnings

The “banner” role is unnecessary for element “header”.

Line: 5 Column: 674 - 713
"...ctid="11"><header role="banner" data-reactid="12"><div c..."

The “button” role is unnecessary for element “button”.

Line: 5 Column: 2911 - 3026
".../span></a><button for="op1" class="close-storelocator" tabindex="0" role="button" aria-label="close button" data-reactid="40"></butt..." Line: 5 Column: 8355 - 8470
".../span></a><button for="op1" class="close-storelocator" tabindex="0" role="button" aria-label="close button" data-reactid="88"></butt..." Line: 5 Column: 10461 - 10571
"...on></form><button for="op2" class="close-search" tabindex="0" role="button" aria-label="close button" data-reactid="112"></butt..." Line: 5 Column: 15389 - 15506
"...div></div><button for="opmenu" class="close-menu-label" tabindex="0" role="button" aria-label="close button" data-reactid="188"><span ..." Line: 5 Column: 20069 - 20179
"...on></form><button for="op2" class="close-search" tabindex="0" role="button" aria-label="close button" data-reactid="222"></butt..."

The “navigation” role is unnecessary for element “nav”.

Line: 5 Column: 20299 - 20388
"...div></div><nav role="navigation" tabindex="0" class="navigation" id="navigation" data-reactid="225"><div c..."

The “main” role is unnecessary for element “main”.

Line: 5 Column: 67044 - 67080
"...div></nav><main role="main" data-reactid="974"><div d..."

The “contentinfo” role is unnecessary for element “footer”.

Line: 60 Column: 1582 - 1668
"...id="1151"><footer class="footer" id="footer" tabindex="0" role="contentinfo" data-reactid="1152"><secti..."

Errors

Attribute “for” not allowed on element “button” at this point.

Line: 5 Column: 2911 - 3026
".../span></a><button for="op1" class="close-storelocator" tabindex="0" role="button" aria-label="close button" data-reactid="40"></butt..." Line: 5 Column: 8355 - 8470
".../span></a><button for="op1" class="close-storelocator" tabindex="0" role="button" aria-label="close button" data-reactid="88"></butt..." Line: 5 Column: 10461 - 10571
"...on></form><button for="op2" class="close-search" tabindex="0" role="button" aria-label="close button" data-reactid="112"></butt..." Line: 5 Column: 15389 - 15506
"...div></div><button for="opmenu" class="close-menu-label" tabindex="0" role="button" aria-label="close button" data-reactid="188"><span ..." Line: 5 Column: 20069 - 20179
"...on></form><button for="op2" class="close-search" tabindex="0" role="button" aria-label="close button" data-reactid="222"></butt..."

Attribute “autocomplete” is only allowed when the input type is “color”, “date”, “datetime-local”, “email”, “hidden”, “month”, “number”, “password”, “range”, “search”, “tel”, “text”, “time”, “url”, or “week”.

Line: 5 Column: 7092 - 7248
"...ctid="73"><input type="checkbox" id="op1" class="mobile-checkbox" aria-label="Store Locator" aria-expanded="false" role="button" autocomplete="off" data-reactid="74"/><label..." Line: 5 Column: 8670 - 8819
"...ctid="91"><input type="checkbox" id="op2" class="mobile-checkbox" aria-label="Search" aria-expanded="false" role="button" autocomplete="off" data-reactid="92"/><label..." Line: 5 Column: 10823 - 10974
"...tid="116"><input type="checkbox" id="opmenu" class="mobile-checkbox" aria-label="Menu" aria-expanded="false" role="button" autocomplete="off" data-reactid="117"/><label..." Line: 60 Column: 8529 - 8687
"...id="1159"><input type="checkbox" class="accordion-title" id="acc1" aria-label="Here to help" aria-expanded="false" role="button" autocomplete="off" data-reactid="1160"/><label..." Line: 63 Column: 684 - 841
"...id="1187"><input type="checkbox" class="accordion-title" id="acc2" aria-label="About Tesco" aria-expanded="false" role="button" autocomplete="off" data-reactid="1188"/><label..." Line: 66 Column: 1548 - 1705
"...id="1227"><input type="checkbox" class="accordion-title" id="acc3" aria-label="Our website" aria-expanded="false" role="button" autocomplete="off" data-reactid="1228"/><label..." Line: 69 Column: 1702 - 1860
"...id="1267"><input type="checkbox" class="accordion-title" id="acc4" aria-label="Useful links" aria-expanded="false" role="button" autocomplete="off" data-reactid="1268"/><label..."

The element “a” must not appear as a descendant of the “button” element.

Line: 5 Column: 11393 - 11422
"...tid="124"><a href="" data-reactid="125"><span ..."

Any “select” descendant of a “label” element with a “for” attribute must have an ID value that matches that “for” attribute.

Line: 5 Column: 18820 - 18928
"...tid="208"><select title="Select a category to search" class="ui-native-dropdown" name="serviceName" data-reactid="209"><optio..."

Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)

Line: 5 Column: 62659 - 62684
"...div></div><style data-reactid="902"></styl..." Line: 10 Column: 1774 - 1799
"...tid="995"><style data-reactid="996"> ..." Line: 15 Column: 1737 - 1763
"...id="1015"><style data-reactid="1016"> ..." Line: 20 Column: 1816 - 1842
"...id="1035"><style data-reactid="1036"> ..." Line: 60 Column: 10086 - 10112
"...id="1176"><style data-reactid="1177">#acc1:..." Line: 63 Column: 2239 - 2265
"...id="1204"><style data-reactid="1205">#acc2:..." Line: 66 Column: 3103 - 3129
"...id="1244"><style data-reactid="1245">#acc3:..." Line: 69 Column: 3259 - 3285
"...id="1284"><style data-reactid="1285">#acc4:..."

Element “style” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)

Line: 5 Column: 68198 - 68223
"...tid="986"><style data-reactid="987">.no-js..." Line: 10 Column: 3011 - 3037
"...id="1006"><style data-reactid="1007">.no-js..." Line: 15 Column: 2977 - 3003
"...id="1026"><style data-reactid="1027">.no-js..." Line: 20 Column: 3882 - 3908
"...id="1060"><style data-reactid="1061">.no-js..." Line: 25 Column: 1727 - 1753
"...id="1071"><style data-reactid="1072">.no-js..." Line: 30 Column: 1716 - 1742
"...id="1082"><style data-reactid="1083">.no-js..." Line: 35 Column: 1749 - 1775
"...id="1093"><style data-reactid="1094">.no-js..." Line: 40 Column: 1858 - 1884
"...id="1107"><style data-reactid="1108">.no-js..." Line: 45 Column: 1877 - 1903
"...id="1118"><style data-reactid="1119">.no-js..." Line: 50 Column: 2060 - 2086
"...id="1132"><style data-reactid="1133">.no-js..." Line: 55 Column: 1746 - 1772
"...id="1143"><style data-reactid="1144">.no-js..."

Element “h2” not allowed as child of element “label” in this context. (Suppressing further errors from this subtree.)

Line: 60 Column: 8750 - 8809
"...id="1161"><h2 class="accordian-item-group-header" data-reactid="1162"><span ..." Line: 63 Column: 904 - 963
"...id="1189"><h2 class="accordian-item-group-header" data-reactid="1190"><span ..." Line: 66 Column: 1768 - 1827
"...id="1229"><h2 class="accordian-item-group-header" data-reactid="1230"><span ..." Line: 69 Column: 1923 - 1982
"...id="1269"><h2 class="accordian-item-group-header" data-reactid="1270"><span ..."

The “for” attribute of the “label” element must refer to a non-hidden form control.

Line: 5 Column: 18719 - 18819
"...tid="207"><label for="native-dropdown" class="native-dropdown-wrapper native-dropdown-nojs" data-reactid="208"><selec..."

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tesco.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.


tesco.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.