The table below looks at the statistics for LAN skills in IT jobs advertised for the England region. Included is a guide to the salaries offered in IT jobs that have cited LAN over the 3 months to 25 May 2016 with a comparison to the same period over the previous 2 years.

3 months to
25 May 2016
Same period 2015 Same period 2014
Local Area Network (LAN)
Rank 107 92 124
Rank change year-on-year
-15 +32
Permanent jobs citing LAN 2552 3123 2757
As % of all permanent IT jobs located in England 2.76% 3.13% 2.51%
As % of the Communications & Networking category 16.02% 17.53% 14.34%
Number of salaries quoted 2151 2591 2352
Median salary £42,500 £42,500 £40,000
Median salary % change year-on-year
- +6.25%
90% offered a salary of more than £25,000 £25,000 £25,000
10% offered a salary of more than £65,000 £70,000 £62,500
UK excluding London median salary £40,000 £41,000 £37,500
% change year-on-year
-2.43% +9.33%
LAN
UK

The following table is for comparison with the above and provides statistics for the entire Communications & Networking category in permanent jobs advertised in the England region.

Communications & Networking Category
England
Permanent IT job ads with a match in the
Communications & Networking category
15931 17817 19225
As % of all permanent IT jobs located in England 17.26% 17.87% 17.52%
Number of salaries quoted 13324 14355 15440
Median salary £45,000 £45,000 £42,500
Median salary % change year-on-year
- +5.88%
90% offered a salary of more than £27,000 £27,000 £27,000
10% offered a salary of more than £67,500 £62,500 £67,500
UK excluding London median salary £42,500 £42,500 £40,000
% change year-on-year
- +6.25%

LAN
Jobs Demand Trend in England

The demand trend of job ads across the England region citing LAN as a proportion of all IT jobs with a match in the Communications & Networking category.

LAN Jobs Demand Trend in England

LAN
Salary Trend in England

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing LAN across the England region.

LAN Salary Trend in England

LAN
Salary Histogram in England

This chart provides a salary histogram for IT jobs citing LAN across the England region over the 3 months to 25 May 2016.

LAN Salary Histogram in England

LAN
Job Locations in England

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing LAN within the England region over the 3 months to 25 May 2016. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location
(Click see detailed
statistics and trends)
Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Last 3 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
London -27 863 £50,500 +1.00% 95
South East -10 737 £45,000 +5.88% 65
West Midlands +26 224 £38,000 +27.73% 13
East of England +1 211 £40,000 - 21
South West -7 141 £32,500 -8.45% 25
North West +4 137 £38,000 +1.33% 22
Yorkshire -60 133 £36,000 -16.27% 23
East Midlands -18 90 £34,250 -14.37% 13
North East -5 19 £33,500 -11.84% 2
Midlands +8 1 £57,500 -28.12%
LAN
UK

LAN
Top 30 Related IT Skills in England

For the 6 months to 25 May 2016, IT jobs citing LAN also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the England region with a requirement for LAN.

1 4677 (88.53%) WAN
2 2817 (53.32%) Cisco
3 2609 (49.38%) Firewall
4 2316 (43.84%) Windows
5 1857 (35.15%) Cisco Certification
6 1734 (32.82%) Microsoft
7 1623 (30.72%) VMware
8 1586 (30.02%) Active Directory
9 1416 (26.80%) VPN
10 1338 (25.33%) Windows Server
11 1228 (23.24%) TCP/IP
12 1198 (22.68%) ITIL
13 1196 (22.64%) CCNP
14 1030 (19.50%) VMware Infrastructure
15 1025 (19.40%) Data Centre
16 1010 (19.12%) CCNA
17 968 (18.32%) Linux
18 952 (18.02%) Wireless
19 912 (17.26%) MS Exchange
20 842 (15.94%) DNS
21 802 (15.18%) MS Excel
22 778 (14.73%) Windows Server 2008
23 773 (14.63%) Citrix
24 764 (14.46%) Juniper
25 761 (14.40%) MPLS
26 747 (14.14%) Finance
26 747 (14.14%) Network Security
27 746 (14.12%) VoIP
28 710 (13.44%) Windows Server 2012
29 705 (13.34%) SAN

LAN
Top Related IT Skills in England by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same job type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 912 (17.26%) MS Exchange
2 481 (9.10%) Exchange Server 2010
3 293 (5.55%) Exchange Server 2013
4 258 (4.88%) Skype for Business
5 230 (4.35%) SharePoint
6 228 (4.32%) IIS
7 151 (2.86%) Apache
8 146 (2.76%) Exchange Server 2007
9 118 (2.23%) Tomcat
10 75 (1.42%) JBoss
11 68 (1.29%) Exchange Server 2003
12 64 (1.21%) Blackberry Enterprise Server
13 34 (0.64%) IBM Notes
14 29 (0.55%) OpenStack
15 27 (0.51%) SharePoint 2010
16 25 (0.47%) WebSphere
17 24 (0.45%) SharePoint 2013
18 20 (0.38%) Confluence
18 20 (0.38%) Elasticsearch
19 19 (0.36%) WebLogic
Applications
1 802 (15.18%) MS Excel
2 590 (11.17%) MS Office
3 162 (3.07%) MS Visio
4 37 (0.70%) MS PowerPoint
5 23 (0.44%) MS Project
6 8 (0.15%) AutoCAD
7 6 (0.11%) Revit
8 3 (0.057%) Adobe Creative Suite
9 1 (0.019%) Acrobat
9 1 (0.019%) Photoshop
9 1 (0.019%) Windchill
Business Applications
1 31 (0.59%) SAP Oil and Gas
2 26 (0.49%) assyst
2 26 (0.49%) Dynamics CRM
3 19 (0.36%) Dynamics AX
4 13 (0.25%) Oracle Applications
5 10 (0.19%) SAP CRM
6 9 (0.17%) Cognos Planning
6 9 (0.17%) ResourceLink
6 9 (0.17%) Unit4 Business World
7 6 (0.11%) Infor M3
8 5 (0.095%) Oracle EBS
9 4 (0.076%) Dynamics NAV
9 4 (0.076%) ION MarketView
9 4 (0.076%) RMDS
10 3 (0.057%) JDE World
10 3 (0.057%) Remedy ITSM
11 2 (0.038%) Eikon
11 2 (0.038%) Temenos T24
12 1 (0.019%) SAP ERP
12 1 (0.019%) thinkFolio
Cloud Services
1 430 (8.14%) Office 365
2 257 (4.86%) Microsoft Azure
3 216 (4.09%) Amazon AWS
4 113 (2.14%) IaaS
5 95 (1.80%) SaaS
6 65 (1.23%) PaaS
7 52 (0.98%) Cloud Computing
7 52 (0.98%) Mimecast
8 27 (0.51%) Google Apps
9 26 (0.49%) Virtual Private Cloud
10 17 (0.32%) Yammer
11 7 (0.13%) Azure Active Directory
12 6 (0.11%) Adobe Creative Cloud
12 6 (0.11%) OneDrive
13 4 (0.076%) Amazon EC2
13 4 (0.076%) AWS CloudFormation
14 3 (0.057%) GitHub
15 2 (0.038%) Google Cloud Platform
16 1 (0.019%) Google Compute Engine
16 1 (0.019%) SoftLayer
Communications & Networking
1 4677 (88.53%) WAN
2 2609 (49.38%) Firewall
3 1416 (26.80%) VPN
4 1228 (23.24%) TCP/IP
5 952 (18.02%) Wireless
6 842 (15.94%) DNS
7 761 (14.40%) MPLS
8 747 (14.14%) Network Security
9 746 (14.12%) VoIP
10 705 (13.34%) SAN
11 659 (12.47%) DHCP
12 656 (12.42%) Cisco ASA
13 626 (11.85%) BGP
14 603 (11.41%) OSPF
15 483 (9.14%) VLAN
16 430 (8.14%) Internet
17 372 (7.04%) Cisco Nexus
18 370 (7.00%) EIGRP
19 335 (6.34%) SSL
20 334 (6.32%) Wi-Fi
Database & Business Intelligence
1 603 (11.41%) SQL Server
2 122 (2.31%) MySQL
3 89 (1.68%) SQL Server 2008
4 59 (1.12%) SQL Server 2005
5 56 (1.06%) Oracle Database
6 55 (1.04%) SQL Server 2012
7 28 (0.53%) Data Warehouse
8 26 (0.49%) NoSQL
9 23 (0.44%) SQL Server Reporting Services
10 22 (0.42%) MongoDB
11 21 (0.40%) PostgreSQL
11 21 (0.40%) Relational Database
12 19 (0.36%) SQL Server Integration Services
13 18 (0.34%) Hadoop
14 17 (0.32%) Big Data
15 15 (0.28%) DB2
15 15 (0.28%) SQL Server 2000
16 13 (0.25%) Oracle Database 11g
17 11 (0.21%) RDBMS
18 9 (0.17%) BusinessObjects
Development Applications
1 45 (0.85%) Jenkins
2 41 (0.78%) JIRA
3 22 (0.42%) Travis CI
4 17 (0.32%) VSS/SourceSafe
5 16 (0.30%) Hudson
6 15 (0.28%) Maven
7 14 (0.27%) LoadRunner
7 14 (0.27%) Selenium
8 13 (0.25%) Cucumber
8 13 (0.25%) JUnit
8 13 (0.25%) SpecFlow
9 12 (0.23%) Git (software)
10 11 (0.21%) Subversion
10 11 (0.21%) TestNG
11 6 (0.11%) TeamCity
12 5 (0.095%) MSI
13 4 (0.076%) ClearCase
13 4 (0.076%) ERwin
13 4 (0.076%) InstallShield
13 4 (0.076%) Metasploit
General
1 747 (14.14%) Finance
2 616 (11.66%) Telecoms
3 143 (2.71%) Banking
4 140 (2.65%) Manufacturing
5 108 (2.04%) Retail
6 95 (1.80%) Marketing
7 84 (1.59%) Legal
8 69 (1.31%) Back Office
9 55 (1.04%) Games
10 53 (1.00%) Law
11 49 (0.93%) Electronics
12 43 (0.81%) Advertising
12 43 (0.81%) Financial Institution
13 41 (0.78%) Investment Banking
14 28 (0.53%) Publishing
15 19 (0.36%) Multimedia
16 16 (0.30%) Billing
16 16 (0.30%) French Language
17 13 (0.25%) Military
18 11 (0.21%) German Language
Job Titles
1 1330 (25.18%) Network Engineer
2 773 (14.63%) Analyst
3 646 (12.23%) Support Engineer
4 480 (9.09%) Cisco Engineer
5 461 (8.73%) Infrastructure Engineer
6 417 (7.89%) Cisco Network Engineer
7 326 (6.17%) Senior Network Engineer
8 304 (5.75%) IT Engineer
9 303 (5.74%) IT Support
10 298 (5.64%) Support Analyst
11 281 (5.32%) Consultant
12 277 (5.24%) 3rd Line Engineer
13 264 (5.00%) Architect
14 254 (4.81%) 3rd Line Support
15 241 (4.56%) 2nd Line Support
15 241 (4.56%) Administrator
16 235 (4.45%) Security Engineer
17 208 (3.94%) Network Analyst
18 199 (3.77%) Network Support
19 185 (3.50%) Network Security Engineer
Libraries, Frameworks & Software Standards
1 96 (1.82%) Middleware
2 90 (1.70%) 802.1X
3 83 (1.57%) Web Services
4 77 (1.46%) .NET
5 50 (0.95%) XML
6 49 (0.93%) XMPP
7 35 (0.66%) LAMP
8 20 (0.38%) HTML
9 18 (0.34%) Regular Expression
10 17 (0.32%) SOAP
11 14 (0.27%) FIX Protocol
11 14 (0.27%) REST
12 13 (0.25%) CSS
12 13 (0.25%) JDBC
13 12 (0.23%) ASP.NET
14 10 (0.19%) .NET Framework
14 10 (0.19%) ZeroMQ
15 9 (0.17%) COM
15 9 (0.17%) Ultra Messaging
16 8 (0.15%) JSON
Miscellaneous
1 1025 (19.40%) Data Centre
2 285 (5.39%) Analytical Skills
3 248 (4.69%) Management Information System
4 142 (2.69%) Driving Licence
5 131 (2.48%) Computer Science
6 130 (2.46%) Replication
7 129 (2.44%) Blackberry
8 120 (2.27%) Video Conferencing
9 94 (1.78%) Fat Client
9 94 (1.78%) Thin Client
10 74 (1.40%) iPhone
11 72 (1.36%) Clustering
11 72 (1.36%) IVR
12 60 (1.14%) Statistics
13 58 (1.10%) iPad
14 54 (1.02%) Hybrid Cloud
15 51 (0.97%) Private Cloud
16 43 (0.81%) Smartphone
17 41 (0.78%) Client/Server
17 41 (0.78%) e-Health
Operating Systems
1 2316 (43.84%) Windows
2 1338 (25.33%) Windows Server
3 968 (18.32%) Linux
4 778 (14.73%) Windows Server 2008
5 710 (13.44%) Windows Server 2012
6 570 (10.79%) Windows 7
7 260 (4.92%) Unix
7 260 (4.92%) Windows Server 2003
8 211 (3.99%) Windows 8
9 180 (3.41%) Red Hat Enterprise Linux
10 172 (3.26%) Windows 10
11 138 (2.61%) Android
12 116 (2.20%) Windows XP
13 103 (1.95%) CentOS
14 61 (1.15%) Solaris
15 57 (1.08%) Mac OS
15 57 (1.08%) Mac OS X
16 51 (0.97%) Ubuntu
17 49 (0.93%) Windows Vista
18 41 (0.78%) Apple iOS
Processes & Methodologies
1 1198 (22.68%) ITIL
2 446 (8.44%) Project Management
3 404 (7.65%) Network Design
4 384 (7.27%) Load Balancing
5 361 (6.83%) Presales
6 353 (6.68%) Disaster Recovery
7 301 (5.70%) Service Delivery
8 288 (5.45%) Network Management
9 275 (5.21%) Network Monitoring
10 271 (5.13%) PRINCE2
11 255 (4.83%) Service Management
12 248 (4.69%) Change Management
13 223 (4.22%) Incident Management
14 193 (3.65%) Migration
15 190 (3.60%) Mentoring
16 175 (3.31%) Change Control
16 175 (3.31%) Information Security
17 170 (3.22%) Agile Software Development
18 166 (3.14%) Capacity Planning
19 159 (3.01%) High Availability
Programming Languages
1 566 (10.71%) SQL
2 224 (4.24%) PowerShell
3 142 (2.69%) Python
4 115 (2.18%) Bash Shell
5 114 (2.16%) Perl
6 110 (2.08%) C
7 88 (1.67%) Java
8 68 (1.29%) PHP
9 63 (1.19%) Ruby
10 55 (1.04%) C#
11 39 (0.74%) VB
12 36 (0.68%) C++
12 36 (0.68%) JavaScript
12 36 (0.68%) Shell Script
13 23 (0.44%) VBScript
14 22 (0.42%) T-SQL
15 15 (0.28%) VBA
16 10 (0.19%) Tcl
17 5 (0.095%) VB.NET
18 4 (0.076%) Korn
Qualifications
1 1857 (35.15%) Cisco Certification
2 1196 (22.64%) CCNP
3 1010 (19.12%) CCNA
4 605 (11.45%) Microsoft Certification
5 413 (7.82%) Degree
6 383 (7.25%) MCSE
7 361 (6.83%) Security Cleared
8 359 (6.80%) CCIE
9 284 (5.38%) SC Cleared
10 234 (4.43%) MCSA
11 208 (3.94%) CCDP
12 176 (3.33%) MCP
13 166 (3.14%) VMware Certified Professional (VCP)
14 148 (2.80%) MCITP
15 128 (2.42%) ITIL Certification
16 123 (2.33%) CCSA
16 123 (2.33%) CISSP
17 113 (2.14%) DV Cleared
18 100 (1.89%) JNCIA
19 98 (1.86%) CCSE
Quality Assurance & Compliance
1 477 (9.03%) SLA
2 216 (4.09%) ISO/IEC 27001
3 107 (2.03%) PCI DSS
4 47 (0.89%) QA
5 30 (0.57%) Sarbanes-Oxley
6 17 (0.32%) ISO 9001
7 14 (0.27%) COBIT
8 12 (0.23%) DICOM
9 8 (0.15%) ISO27002
10 5 (0.095%) JSP 440
11 4 (0.076%) HL7
11 4 (0.076%) ISO 9000
11 4 (0.076%) SAS 70
12 3 (0.057%) Data Quality
13 2 (0.038%) COSO
13 2 (0.038%) GPG13
13 2 (0.038%) ISO22301
13 2 (0.038%) PMBOK
14 1 (0.019%) ISO 14001
System Software
1 1586 (30.02%) Active Directory
2 1030 (19.50%) VMware Infrastructure
3 419 (7.93%) Hyper-V
4 334 (6.32%) vSphere
5 302 (5.72%) XenApp
6 174 (3.29%) VMware ESXi
7 113 (2.14%) XenDesktop
8 111 (2.10%) Terminal Services
9 79 (1.50%) VMware ESX
10 60 (1.14%) NFS
11 58 (1.10%) XenServer
12 43 (0.81%) Microsoft App-V
12 43 (0.81%) VMware Server
13 31 (0.59%) Xen
14 27 (0.51%) vCloud
15 22 (0.42%) Docker
15 22 (0.42%) Firmware
16 21 (0.40%) VMware Workstation
17 17 (0.32%) BitLocker
17 17 (0.32%) Oracle RAC
Systems Management
1 226 (4.28%) SCCM
2 120 (2.27%) Puppet
3 104 (1.97%) SCOM
4 98 (1.86%) Cisco CUCM
5 86 (1.63%) Backup Exec
6 65 (1.23%) Cisco Prime
6 65 (1.23%) FortiGate
7 60 (1.14%) Ansible
7 60 (1.14%) Nagios
8 55 (1.04%) WSUS
9 54 (1.02%) Norton AntiVirus
10 51 (0.97%) Cisco UCCX
11 46 (0.87%) Opscode Chef
12 43 (0.81%) Cacti
13 38 (0.72%) Nessus
14 35 (0.66%) McAfee ePO
14 35 (0.66%) SolarWinds Orion
15 29 (0.55%) Nmap
16 27 (0.51%) Windows Intune
17 26 (0.49%) Cisco UCCE
Vendors
1 2817 (53.32%) Cisco
2 1734 (32.82%) Microsoft
3 1623 (30.72%) VMware
4 773 (14.63%) Citrix
5 764 (14.46%) Juniper
6 666 (12.61%) CheckPoint
7 572 (10.83%) HP
8 477 (9.03%) F5
9 252 (4.77%) Avaya
10 245 (4.64%) SolarWinds
11 235 (4.45%) Palo Alto
12 225 (4.26%) Oracle
13 203 (3.84%) Dell
14 177 (3.35%) Red Hat
15 170 (3.22%) NetApp
16 158 (2.99%) EMC
17 137 (2.59%) Fortinet
18 135 (2.56%) IBM
19 122 (2.31%) Meraki
20 118 (2.23%) Riverbed
Southampton, Hampshire
Senitor Associates
Salary: £30000 - £50000 per annum
Posted: 5 hours ago
Bristol, Avon
Sanderson
Salary: £45000.00 - £50000.00 per annum
Posted: 9 hours ago
City, London
Twenty Recruitment Group
Salary: Up to £55,000 per annum
Posted: 9 hours ago
High Wycombe, Buckinghamshire
Austin Fraser
Salary: £60000 - £70000 per annum + Benefits
Posted: 9 hours ago
London
Venturi
Salary: £45000 - £60000 per annum + benefits & training
Posted: 10 hours ago
High Wycombe, Buckinghamshire
Austin Fraser
Salary: £60000 - £70000 per annum + Benefits
Posted: 10 hours ago
York, North Yorkshire
Senitor Associates
Salary: £20000 per annum
Posted: 10 hours ago
London
Senitor Associates
Salary: £45000 per annum + Car
Posted: 10 hours ago
York, North Yorkshire
Senitor Associates
Salary: £40000 per annum
Posted: 10 hours ago
Huntingdon, Cambridgeshire
Stafford-Sharp Associates
Salary: £32000 - £36000 per annum
Posted: 10 hours ago
Truro, Cornwall
X4 Group
Salary: £30k - 40k per year
Posted: 11 hours ago
Greater Manchester
ANSON MCCADE
Salary: Attractive benefits, 30 days holiday and rapid career progression
Posted: 11 hours ago
City, London
ANSON MCCADE
Salary: Attractive benefits, 30 days holiday and rapid career progression
Posted: 11 hours ago
Bicester, Oxfordshire
Ascent People Ltd
Salary: £33000 - £38000 per annum + Pension, Training Budget
Posted: 11 hours ago
Bristol, Avon
ITF Solutions
Salary: £40000 - £50000 per annum + Benefits
Posted: 11 hours ago
Bristol, Avon
Sanderson
Salary: £44000.00 - £45000.00 per annum
Posted: 11 hours ago
City, London
Trainline
Salary: Market leading salary
Posted: 12 hours ago
Warrington, Cheshire
Actis Recruitment.
Salary: From £20,000 to £25,000 per annum + various benefits
Posted: 13 hours ago
Birmingham, West Midlands (County)
Millshill Recruitment Ltd
Salary: From £60,000 to £60,000 per annum + £6,000 Car Allowance
Posted: 13 hours ago
Runcorn, Cheshire
D4 Digital Recruitment
Salary: £22000 - £25000 Per Annum
Posted: 14 hours ago
High Wycombe, Buckinghamshire
CPS Group UK
Salary: £40000 - £70000 per annum + Excellent Benefits Package
Posted: 16 hours ago
Manchester, Lancashire
Evolution Recruitment Solutions
Salary: 30,000 - 35,000
Posted: 16 hours ago
Leeds, West Yorkshire
Fruition IT Resources Limited
Salary: £40000 - £45000 per annum + benefits, bonus
Posted: 17 hours ago
Bracknell, Berkshire
Nationwide People Ltd
Salary: £50000 - £60000 Per Annum + 15% Bonus + Bens
Posted: 17 hours ago
Guildford, Surrey
Eutopia Solutions Ltd
Salary: £30000 - £37000 per annum + corporate benefits
Posted: 17 hours ago
London
Streamline Connections
Salary: £55000 - £70000 per annum + Benefits
Posted: 17 hours ago
London
Fenwick Ryan
Salary: £35000 - £55000 per annum
Posted: 17 hours ago
High Wycombe, Buckinghamshire
CPS Group UK
Salary: £40000 - £70000 per annum + Excellent Benefits Package
Posted: 18 hours ago
North London
Oscar
Salary: £35000 - £40000 per annum + benefits
Posted: 18 hours ago
Crawley, West Sussex
Comtecs
Salary: £58000 - £61000 Per Annum Bonus + Benefits
Posted: 18 hours ago
Sheffield, South Yorkshire
Chassam Contract
Salary: From £37,000 to £43,000 per annum
Posted: 18 hours ago
St. Neots, Cambridgeshire
Evolution Recruitment Solutions
Salary: 16,000 - 18,000
Posted: 19 hours ago
Lincoln, Lincolnshire
Evolution Recruitment Solutions
Salary: 16,000 - 18,000
Posted: 19 hours ago
Southampton, Hampshire
Spectrum IT Recruitment (South) Ltd
Salary: £35000 - £45000 per annum + benfits & training
Posted: 19 hours ago
Leicester, Leicestershire
Senitor Associates
Salary: £25000 - £26000 per annum + Great Benefits + Company
Posted: 20 hours ago
Leicester, Leicestershire
Senitor Associates
Salary: £32000 - £35000 per annum + Great Benefits + Company
Posted: 20 hours ago
Leicester, Leicestershire
Senitor Associates
Salary: £32000 - £35000 per annum + Great Benefits + Company
Posted: 20 hours ago
Croydon, Surrey
TLP Consultancy Ltd.
Salary: £20000 - £25000 per annum + Health insurance + 25 days holiday
Posted: 20 hours ago
Bristol, Avon
Redrock Consulting Ltd
Salary: £40000 - £55000 per annum + Excellent Benefits
Posted: 20 hours ago
Exeter, Devon
WA Consultants
Salary: Amazing Company Benefits
Posted: Yesterday