tessella.com Website Information

Daily Unique Visits: 818

Daily Page Views: 1,636

Income Per Day: $5

Estimated Value: $1,200

This website is located in United Kingdom and is using following IP address 176.65.68.10. See the complete list of popular websites hosted in United Kingdom.

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

Website tessella.com is using the following name servers:

ns1.tessella.com
ns1.bt.net
ns2.tessella.com

and is probably hosted by The Bunker Secure Hosting Ltd. See the full list of other websites hosted by The Bunker Secure Hosting Ltd.

The highest website tessella.com position in Alexa rank database was 162019 and the lowest rank position was 999642. Current position of tessella.com in Alexa rank database is 877112.

Desktop speed score of tessella.com (57/100) is better than the results of 31.79% of other sites and shows that the page desktop performance can be improved.

Mobile usability score of tessella.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 tessella.com (2/100) is better than the results of 0.23% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

tessella.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.

tessella.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: TESSELLA.COM
Registry Domain ID: 22509113_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.safenames.net
Registrar URL: http://www.safenames.net
Updated Date: 2021-08-10T13:41:37Z
Creation Date: 2000-03-16T01:40:49Z
Registry Expiry Date: 2023-03-16T00:40:49Z
Registrar: SafeNames Ltd.
Registrar IANA ID: 447
Registrar Abuse Contact Email: abuse@safenames.net
Registrar Abuse Contact Phone: +44.1908200022
Domain Status: clientDeleteProhibited https://icann.org/epp#clientDeleteProhibited
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Domain Status: clientUpdateProhibited https://icann.org/epp#clientUpdateProhibited
Domain Status: serverDeleteProhibited https://icann.org/epp#serverDeleteProhibited
Domain Status: serverTransferProhibited https://icann.org/epp#serverTransferProhibited
Domain Status: serverUpdateProhibited https://icann.org/epp#serverUpdateProhibited
Name Server: PDNS1.ULTRADNS.NET
Name Server: PDNS2.ULTRADNS.NET
Name Server: PDNS3.ULTRADNS.ORG
Name Server: PDNS4.ULTRADNS.ORG
Name Server: PDNS5.ULTRADNS.INFO
Name Server: PDNS6.ULTRADNS.CO.UK
DNSSEC: signedDelegation
DNSSEC DS Data: 16305 13 2 6775E555A9C4F5C6188AC86F401B808AB4CD790F6DE999702FF1D270F60688E6
DNSSEC DS Data: 16305 13 1 772E6CC94E3283C59866D56B4550100F7227E47F
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2022-09-25T08:55:12Z

tessella.com server information

Servers Location

tessella.com desktop page speed rank

Last tested: 2019-12-04

Desktop Speed Bad

57/100

tessella.com Desktop Speed Test Quick Summary

priority - 71Optimize images

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

Optimize the following images to reduce their size by 690.7KiB (84% reduction).

Compressing https://www.tessella.com/hubfs/Images/akzonobel.jpg could save 690.7KiB (84% reduction).

priority - 4Eliminate 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.tessella.com/hs-fs/hub/5116386/hub_gen…e270d1408f8fa20069.css

priority - 3Reduce server response time

In our test, your server responded in 0.51 seconds.

priority - 2Leverage 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://www.tessella.com/hs/scriptloader/5116386.js (60 seconds)
https://js.hs-analytics.net/analytics/1575425400000/5116386.js (5 minutes)
https://js.hsadspixel.net/fb.js (10 minutes)
https://www.tessella.com/_hcms/forms/v2.js (10 minutes)

priority - 0Minify 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 311B (19% reduction).

Minifying https://www.tessella.com/hs-fs/hub/5116386/hub_gen…ed_Files/videopopup.js could save 207B (17% reduction) after compression.
Minifying https://www.tessella.com/hs/scriptloader/5116386.js could save 104B (22% reduction) after compression.

tessella.com Desktop Resource Breakdown

Total Resources	48
Number of Hosts	8
Static Resources	35
JavaScript Resources	15
CSS Resources	1

tessella.com mobile page speed rank

Last tested: 2019-02-12

Mobile Speed Bad

2/100

tessella.com Mobile Speed Test Quick Summary

priority - 642Optimize images

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

Optimize the following images to reduce their size by 6.1MiB (81% reduction).

Compressing https://tessella.com/wp-content/uploads/2019/02/iStock-872019580.jpg could save 6.1MiB (81% reduction).
Compressing https://tessella.com/wp-content/themes/tessella-ba…/img/tessella-logo.png could save 9.2KiB (36% reduction).
Compressing https://tessella.com/wp-content/uploads/2018/11/CT…T-01_web-2-690x480.jpg could save 5.5KiB (14% reduction).
Compressing https://tessella.com/wp-content/uploads/2018/01/fo…gy-council-768x480.jpg could save 3.8KiB (17% reduction).
Compressing https://yt3.ggpht.com/-1mi_aAH3fiE/AAAAAAAAAAI/AAA…rj-c0xffffff/photo.jpg could save 808B (36% reduction).

priority - 32Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 5 blocking script resources and 4 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

https://tessella.com/wp-includes/js/jquery/jquery.js?ver=1.12.4
https://tessella.com/wp-includes/js/jquery/jquery-migrate.min.js?ver=1.4.1
https://tessella.com/wp-content/plugins/hh-admin/m…edabde6f44857e966b5ee5
https://tessella.com/wp-content/themes/tessella-ba…s/modernizr.js?ver=1.4
https://tessella.com/wp-content/plugins/google-ana…cking.min.js?ver=6.5.4

Optimize CSS Delivery of the following:

https://tessella.com/wp-content/plugins/hh-admin/m…edabde6f44857e966b5ee5
https://fonts.googleapis.com/css?family=Hind%3A400…00%2C600%2C700&ver=1.4
https://fonts.googleapis.com/css?family=Open+Sans%…00%2C400italic&ver=1.4
https://tessella.com/wp-content/themes/tessella-ba…/theme.min.css?ver=1.0

priority - 12Leverage 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://tessella.com/wp-content/plugins/formidable/images/ajax_loader.gif (expiration not specified)
https://tessella.com/wp-content/themes/tessella-ba…/img/tessella-logo.png (expiration not specified)
https://tessella.com/wp-content/themes/tessella-ba…/img/tessella-logo.svg (expiration not specified)
https://tessella.com/wp-content/uploads/2018/01/fo…gy-council-768x480.jpg (expiration not specified)
https://tessella.com/wp-content/uploads/2018/11/CT…T-01_web-2-690x480.jpg (expiration not specified)
https://tessella.com/wp-content/uploads/2018/11/WCC--768x480.png (expiration not specified)
https://tessella.com/wp-content/uploads/2019/02/iStock-872019580.jpg (expiration not specified)
https://disqus.com/next/config.js (60 seconds)
https://js.hs-scripts.com/5116386.js (60 seconds)
https://m.addthisedge.com/live/boost/ra-5208b49f79…_ate.track.config_resp (60 seconds)
https://tessellablog.disqus.com/embed.js (60 seconds)
https://js.hs-analytics.net/analytics/1549999200000/5116386.js (5 minutes)
https://www.google.com/recaptcha/api.js?hl=en&ver=3 (5 minutes)
https://www.google.com/recaptcha/api2/webworker.js?hl=en&v=v1549298964057 (5 minutes)
https://s7.addthis.com/js/300/addthis_widget.js (10 minutes)
https://www.google-analytics.com/analytics.js (2 hours)
https://snap.licdn.com/li.lms-analytics/insight.min.js (5.1 hours)

priority - 1Reduce server response time

In our test, your server responded in 0.26 seconds.

priority - 0Enable 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 1.5KiB (58% reduction).

Compressing https://s3.amazonaws.com/downloads.mailchimp.com/js/goal.min.js could save 1.5KiB (58% reduction).

priority - 0Minify 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 1.5KiB (35% reduction).

Minifying https://tessella.com/wp-content/plugins/hh-admin/m…edabde6f44857e966b5ee5 could save 733B (43% reduction) after compression.
Minifying https://tessella.com/wp-content/themes/tessella-ba…s/js/common.js?ver=1.4 could save 702B (30% reduction) after compression.
Minifying https://tessella.com/wp-content/plugins/disqus-com…nt_embed.js?ver=3.0.16 could save 136B (27% reduction) after compression.

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 1.5KiB (14% reduction).

Minifying https://tessella.com/ could save 1.5KiB (14% reduction) after compression.

tessella.com Mobile Resource Breakdown

Total Resources	81
Number of Hosts	24
Static Resources	35
JavaScript Resources	40
CSS Resources	7

tessella.com mobile page usability

Last tested: 2019-02-12

Mobile Usability Good

95/100

tessella.com Mobile Usability Test Quick Summary

priority - 3Size content to viewport

The page content is too wide for the viewport, forcing the user to scroll horizontally. Size the page content to the viewport to provide a better user experience.

The page content is 575 CSS pixels wide, but the viewport is only 412 CSS pixels wide. The following elements fall outside the viewport:

The element <iframe src="https://www.yo…Zm0?controls=0"> falls outside the viewport.

priority - 1Size 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 <a href="https://www.youtube.com" class="ytp-small-redirect-link"></a> is close to 1 other tap targets.
The tap target <a href="https://www.yo…?v=PjfpQzZEZm0" class="ytp-watermark…ix-sessionlink"></a> is close to 1 other tap targets.
The tap target <a href="https://tessel…rivacy-policy/">Privacy Policy</a> and 2 others are close to other tap targets.

The tap target <div id="at-share-dock" class="at-share-dock…ated slideInUp">FacebookTwitte…ail AppAddThis</div> is close to 2 other tap targets.

tessella.com HTML validation

Warnings

Consider avoiding viewport values that prevent users from resizing documents.

Line: 21 Column: 5 - 107
"...8" /> <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no"> <tit..."

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

Line: 204 Column: 1 - 74
"...n nav --> <nav class="navbar navbar-default navbar-fixed-top top" role="navigation"> ..."

Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.

Line: 817 Column: 1 - 60
"... <section class="colour colour-white padding padding-top-sm"> ..."

Errors

Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.

Line: 105 Column: 1 - 70
"...</script> <link rel='https://api.w.org/' href='https://tessella.com/wp-json/' /> <link..."

An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.

Line: 220 Column: 1 - 120
"...nsive"/> <img src="https://tessella.com/wp-content/themes/tessella-base/assets/img/tessella-logo.svg" class="svg img-responsive"> ..."

Bad value “100%” for attribute “width” on element “video”: Expected a digit but saw “%” instead.

Line: 276 Column: 17 - 105
"... <video id="video-tag" autoplay="" loop="" preload="" muted="" width="100%" height="100%"> ..."

Bad value “100%” for attribute “height” on element “video”: Expected a digit but saw “%” instead.

Line: 276 Column: 17 - 105
"... <video id="video-tag" autoplay="" loop="" preload="" muted="" width="100%" height="100%"> ..."

Stray end tag “div”.

Line: 520 Column: 1 - 6
"... </div> </div> <div ..."

Bad value “” for attribute “target” on element “a”: Browsing context name must be at least one character long.

Line: 613 Column: 1 - 150
"... <a class="btn btn-green btn-block" href="https://tessella.com/coverage/why-companies-will-need-to-create-an-ai-culture-to-achieve-success/" target="">More</..." Line: 674 Column: 1 - 144
"... <a class="btn btn-green btn-block" href="https://tessella.com/coverage/why-focusing-on-ai-tech-may-be-your-biggest-business-mistake/" target="">More</..." Line: 732 Column: 1 - 219
"... <a class="btn btn-green btn-block" href="https://tessella.com/news/in-an-era-of-disruptions-altran-high-values-services-act-as-catalysts-of-innovation-and-transformation-for-its-clients-and-their-ecosystems/" target="">More</..." Line: 793 Column: 1 - 138
"... <a class="btn btn-green btn-block" href="https://tessella.com/coverage/ask-the-expert-how-can-businesses-create-value-with-ai/" target="">More</..."

No “p” element in scope but a “p” end tag seen.

Line: 888 Column: 121 - 124
"...:none;" /></p> <div ..." Line: 893 Column: 159 - 162
"...valid" /></p> </div..." Line: 899 Column: 155 - 158
"...valid" /></p> </div..." Line: 905 Column: 154 - 157
"...valid" /></p> </div..." Line: 911 Column: 153 - 156
".../textarea></p> </div..." Line: 916 Column: 13 - 16
"... </label></p> <div ..." Line: 972 Column: 121 - 124
"...:none;" /></p> <div ..." Line: 977 Column: 159 - 162
"...valid" /></p> </div..." Line: 1064 Column: 121 - 124
"...:none;" /></p> <div ..." Line: 1069 Column: 158 - 161
"...valid" /></p> </div..."

The “aria-labelledby” attribute must point to an element in the same document.

Line: 854 Column: 1 - 122
"...Modal --> <div class="modal fade" id="contact-us" tabindex="-1" role="dialog" aria-labelledby="contact-us-modal" aria-hidden="true"> ..." Line: 938 Column: 1 - 122
"...Modal --> <div class="modal fade" id="newsletter" tabindex="-1" role="dialog" aria-labelledby="newsletter-modal" aria-hidden="true"> ..." Line: 998 Column: 1 - 120
"...Modal --> <div class="modal fade" id="analytics" tabindex="-1" role="dialog" aria-labelledby="analytics-modal" aria-hidden="true"> ..." Line: 1030 Column: 1 - 122
"...Modal --> <div class="modal fade" id="whitepaper" tabindex="-1" role="dialog" aria-labelledby="whitepaper-modal" aria-hidden="true"> ..."

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tessella.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.

tessella.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.

TESSELLA.COM Tessella - analytics and data science consulting services

tessella.com Website Information

Advertisement

tessella.com Alexa Rank

tessella.com whois

tessella.com server information

Servers Location

tessella.com desktop page speed rank

tessella.com Desktop Speed Test Quick Summary

priority - 71Optimize images

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

Optimize the following images to reduce their size by 690.7KiB (84% reduction).

priority - 4Eliminate 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:

priority - 3Reduce server response time

In our test, your server responded in 0.51 seconds.

priority - 2Leverage 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:

priority - 0Minify 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 311B (19% reduction).

tessella.com Desktop Resource Breakdown

tessella.com mobile page speed rank

tessella.com Mobile Speed Test Quick Summary

priority - 642Optimize images

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

Optimize the following images to reduce their size by 6.1MiB (81% reduction).

priority - 32Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 5 blocking script resources and 4 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

Optimize CSS Delivery of the following:

priority - 12Leverage 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:

priority - 1Reduce server response time

In our test, your server responded in 0.26 seconds.

priority - 0Enable 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 1.5KiB (58% reduction).

priority - 0Minify 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 1.5KiB (35% reduction).

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 1.5KiB (14% reduction).

tessella.com Mobile Resource Breakdown

tessella.com mobile page usability

tessella.com Mobile Usability Test Quick Summary

priority - 3Size content to viewport

The page content is too wide for the viewport, forcing the user to scroll horizontally. Size the page content to the viewport to provide a better user experience.

The page content is 575 CSS pixels wide, but the viewport is only 412 CSS pixels wide. The following elements fall outside the viewport:

priority - 1Size 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.

tessella.com HTML validation

Warnings

Consider avoiding viewport values that prevent users from resizing documents.

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

Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.

Errors

Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.

An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.

Bad value “100%” for attribute “width” on element “video”: Expected a digit but saw “%” instead.

Bad value “100%” for attribute “height” on element “video”: Expected a digit but saw “%” instead.

Stray end tag “div”.

Bad value “” for attribute “target” on element “a”: Browsing context name must be at least one character long.

No “p” element in scope but a “p” end tag seen.

The “aria-labelledby” attribute must point to an element in the same document.

tessella.com similar domains

tessella.com Ping

tessella.com TRACEROUTE