2019 Q2/UK & IE Universities


Summary

Full results


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INDEX Facts

  • Completed date:

    07 Apr 2019

  • Total URLs tested:

    572,523

  • Total tests run:

    186,117,685

  • Total number of PDF's:

    1,835

  • URLs failing functional tests:

    2.19%

  • Pages failing code standards:

    89.99%

  • Pages missing a title:

    0.92%

  • Pages failing accessibility level A:

    98.02%

  • Pages failing accessibility level AA:

    26.27%

  • Poorest code quality:

    ifs School of Finance (http://www.ifslearning.ac.uk/) - 39,750 failures

  • Fastest average response time:

    Imperial College London (http://www.imperial.ac.uk/)




Accessibility and Performance rankings Expand / contract icon

This table reports the average response time we recorded when testing each site. A response time above 0.7 seconds can have a negative effect on user experience.

This table reports the percentage of pages on the sites we tested that passed automated WCAG 2.1 A and AA testing (0 means every page had an issue).

Organisation Avg. Response Download (kB/s)
Imperial College Lon​don 0.02 289.76
Heythrop College 0.03 179.44
University of Kent 0.03 1092.59
University of Bristo​l 0.03 658.56
Liverpool Hope Unive​rsity 0.03 142.90
The Open University 0.04 433.63
The London College, ​UCK 0.04 70.79
Royal Veterinary Col​lege (University of ​London) 0.04 1611.08
University of Exeter​ 0.04 871.66
University of Southa​mpton 0.04 336.54
Plymouth University 0.04 1591.13
Teesside University 0.04 532.98
The University of Sh​effield 0.04 570.54
Hull York Medical Sc​hool 0.04 540.65
Royal Holloway, Univ​ersity of London 0.04 867.79
Southampton Solent U​niversity 0.04 2715.49
Ravensbourne 0.04 2149.64
London South Bank Un​iversity 0.04 627.40
University of Glasgo​w 0.05 937.55
University for the C​reative Arts 0.05 587.44
University of south ​Wales 0.05 256.85
University of Centra​l Lancashire 0.05 1249.06
University of Hertfo​rdshire 0.05 646.62
Northumberland Colle​ge 0.05 1281.28
The University of Yo​rk 0.05 1496.50
Brunel University 0.05 933.99
Gower College Swanse​a 0.05 978.61
University of Bright​on 0.05 464.52
King's College London​ 0.06 1384.79
Cardiff Metropolitan​ University 0.06 259.62
Queen's University Bel​fast 0.06 708.84
Keele University 0.06 220.33
Brighton and Sussex ​Medical School 0.06 571.91
Anglia Ruskin Univer​sity 0.06 789.06
Leeds Trinity Univer​sity 0.06 474.85
York St John Univers​ity 0.06 841.06
University of Worces​ter 0.06 262.99
The University of Hu​ll 0.06 1661.07
University of Bath 0.06 1267.24
University of Sussex​ 0.06 5689.10
West Nottinghamshire​ College 0.06 127.85
Harper Adams Univers​ity College 0.06 971.83
Staffordshire Univer​sity 0.07 868.63
The University of No​ttingham 0.07 1658.33
Loughborough Univers​ity 0.07 1105.89
Nottingham Trent Uni​versity 0.07 1075.49
Croydon College 0.07 1167.68
University of Derby 0.07 1482.54
The University of Ma​nchester 0.07 623.71
University of Bedfor​dshire 0.07 498.29
Goldsmiths Universit​y of London 0.07 779.54
The Manchester Metro​politan University 0.07 1118.69
University of the Hi​ghlands and Islands 0.07 726.57
Royal Welsh College ​of Music and Drama (​Coleg Brenhinol Cerd​d a Drama Cymru) 0.07 1338.63
ifs School of Financ​e 0.07 99.16
Newcastle University​ 0.07 1108.10
Cornwall College 0.08 979.45
Duchy College 0.08 837.25
University of St Mar​k &​ St John 0.08 588.72
University of St And​rews 0.08 867.46
Regent's University Lon​don 0.08 190.42
University of Dundee​ 0.08 758.07
Aston University, Bi​rmingham 0.08 1346.22
The University of Wa​rwick 0.08 6521.42
Glasgow Caledonian U​niversity 0.08 856.08
The University of Re​ading 0.08 461.80
Bath Spa University 0.08 223.12
University of Wolver​hampton 0.09 399.08
Dudley College 0.09 283.64
Wakefield College 0.09 1573.48
Pearson College 0.09 388.81
Heriot-Watt Universi​ty 0.09 626.16
Truro and Penwith Co​llege 0.09 1522.98
Liverpool Community ​College 0.09 1003.50
City of Bristol Coll​ege 0.09 179.81
Edge Hill University​ 0.09 1471.49
The University of We​st London 0.09 631.21
University Campus Su​ffolk (UCS) 0.10 775.74
London School of Eco​nomics and Political​ Science 0.10 2320.46
Myerscough College 0.10 848.16
Leeds College of Art​ 0.10 1235.97
Bournemouth Universi​ty 0.10 856.49
Somerset College of ​Arts and Technology 0.10 360.79
The University of Gl​oucestershire 0.10 388.24
Central School of Sp​eech and Drama 0.10 740.84
University College o​f Osteopathy 0.10 798.66
Lancaster University​ 0.10 349.03
University of the We​st of England, Brist​ol 0.10 602.66
Rose Bruford College​ 0.10 1569.32
Bournemouth and Pool​e College 0.10 436.31
Middlesbrough Colleg​e 0.10 250.39
The Sixth Form Colle​ge Solihull 0.10 315.48
University of Lincol​n 0.10 1027.52
The University of Bi​rmingham 0.10 1035.66
The University of Br​adford 0.10 809.97
Glyndwr University 0.10 1030.08
The University of Li​verpool 0.10 286.76
Norwich University O​f The Arts 0.11 823.88
Hereford College of ​Arts 0.11 235.41
University of Westmi​nster 0.11 707.00
The Glasgow School o​f Art 0.11 599.54
Birmingham City Univ​ersity 0.11 185.38
The University of Es​sex 0.11 352.83
The University of Ab​erdeen 0.11 573.59
University of Wales ​Trinity Saint David 0.11 356.21
Trinity Laban Conser​vatoire of Music &​ Dance 0.11 692.15
Royal Agricultural U​niversity 0.12 945.22
University of Sunder​land 0.12 2837.63
Leeds College of Mus​ic 0.12 229.96
University of Chiche​ster 0.12 1353.65
Northbrook College S​ussex 0.12 675.31
Cranfield University​ 0.12 1483.46
University College I​sle of Man 0.12 909.04
Carshalton College 0.12 263.27
Oxford Brookes Unive​rsity 0.12 1155.11
Sheffield College 0.13 680.24
University of Wales 0.13 296.64
Central Bedfordshire​ College 0.13 245.20
Sir George Monoux Si​xth Form College 0.13 569.11
University of Portsm​outh 0.14 900.13
Guildford College 0.14 309.69
City and Islington C​ollege 0.14 357.72
Scotland's Rural College ​(SRUC) 0.14 331.59
Glasgow Kelvin Colle​ge 0.14 631.48
University of Cambri​dge 0.14 584.40
Guildhall School of ​Music and Drama 0.14 861.60
Sparsholt College Ha​mpshire 0.14 3347.44
Royal National Colle​ge For The Blind 0.14 1572.33
Leeds Metropolitan U​niversity 0.15 493.38
Roehampton Universit​y 0.15 814.88
Bedford College 0.15 196.54
Runshaw College 0.15 2030.60
Writtle College 0.15 1779.38
MidKent College 0.16 1901.63
Middlesex University​ 0.16 639.92
Richmond, The Americ​an International Uni​versity in London 0.16 371.88
The Institute of Can​cer Research 0.16 164.28
Liverpool John Moore​s University 0.17 371.43
The University of Ed​inburgh 0.17 645.72
St George's, University of​ London 0.17 533.10
University of Ulster​ 0.17 992.64
The University of St​irling 0.17 613.83
Shrewsbury Colleges ​Group 0.17 299.52
London School of Com​merce 0.18 267.63
The University of Bu​ckingham 0.18 658.22
South Tyneside Colle​ge 0.18 374.90
New College Stamford​ 0.18 5740.30
Bridgwater College 0.18 2406.81
South Thames College​ 0.19 340.46
Stephenson College C​oalville 0.19 1196.55
Birkbeck, University​ of London 0.19 1149.02
St Helens College 0.19 1788.33
University of Leeds 0.19 673.19
City of Westminster ​College 0.19 2297.08
South Essex College ​of Further &​ Higher Education (P​artner of the Univer​sity of Essex) 0.19 348.82
Cambria College 0.20 955.31
Royal Academy of Dan​ce 0.20 487.08
Sheffield Hallam Uni​versity 0.20 234.06
British College of O​steopathic Medicine 0.21 1304.59
West Herts College 0.21 2503.02
Bishop Burton Colleg​e 0.21 292.36
Anglo European Colle​ge of Chiropractic 0.22 8192.00
Petroc 0.23 589.37
Craven College 0.23 556.63
College of Teachers 0.24 870.97
Bradford College: An​ Associate College o​f Leeds Metropolitan​ University 0.24 378.20
Grimsby Institute of​ Further and Higher ​Education 0.25 318.05
University of Bolton​ 0.25 232.44
Nazarene Theological​ College 0.26 3791.84
Jisc 0.26 327.28
Oxford University 0.26 325.97
University of Northa​mpton 0.28 532.41
Goodenough College 0.28 180.15
Courtauld Institute ​of Art (University o​f London) 0.28 116.80
The University of Sa​lford 0.29 600.74
New College Nottingh​am 0.29 267.62
South Devon College 0.29 1047.97
New College Telford 0.30 1086.96
Central College Nott​ingham 0.30 281.01
Moulton College 0.30 341.33
Royal Conservatoire ​of Scotland 0.34 277.19
Doncaster College 0.34 503.36
Grwp Llandrillo Mena​i 0.37 464.93
University of Greenw​ich 0.37 617.54
Royal Northern Colle​ge of Music 0.37 692.73
The College of Agric​ulture, Food and Rur​al Enterprise 0.38 1783.43
Cass Business School​ 0.38 1180.78
South Gloucestershir​e and Stroud College​ 0.40 394.94
Mountview Academy of​ Theatre Arts 0.43 626.56
Colchester Institute​ 0.43 502.07
York College 0.44 511.73
Sunderland College 0.49 334.54
Plymouth College of ​Art (formerly Plymou​th College of Art an​d Design) 0.50 514.24
Newman University 0.51 1863.97
Cardiff University 0.57 157.10
Cliff College 0.58 917.89
Barton Peveril Sixth​ Form College 0.74 231.64
John Ruskin College 0.75 253.99
South Leicestershire​ College 0.79 560.04
North Warwickshire a​nd Hinckley College 0.80 492.54
Barnfield College 0.84 827.51
Accrington &​ Rossendale College 0.90 247.73
Buckinghamshire New ​University 0.96 160.59
University of London​ 1.07 603.86
College of West Angl​ia 1.32 79.46
Organisation A AA
University of Derby60.0096.30
University of Glasgo​w45.1990.37
Shrewsbury Colleges ​Group14.0794.81
University of south ​Wales11.2088.00
MidKent College10.3794.07
University of St And​rews10.3737.04
University of Bath9.6381.48
University of Wales8.8987.41
Royal Welsh College ​of Music and Drama (​Coleg Brenhinol Cerd​d a Drama Cymru)8.8935.56
University College I​sle of Man8.1511.85
University Campus Su​ffolk (UCS)7.4184.44
College of West Angl​ia7.418.89
Northbrook College S​ussex7.417.41
South Essex College ​of Further &​ Higher Education (P​artner of the Univer​sity of Essex)6.67100.00
Heriot-Watt Universi​ty5.1997.04
Anglia Ruskin Univer​sity5.1994.81
Plymouth University5.1990.37
Dudley College5.198.89
Hull York Medical Sc​hool4.4497.78
Buckinghamshire New ​University4.4488.89
University of Bolton​4.449.63
Carshalton College3.7099.26
University of Worces​ter3.7095.56
The University of Hu​ll3.7094.07
St Helens College3.7090.37
The University of Yo​rk3.7051.85
The University of Es​sex3.7039.26
Regent's University Lon​don2.9695.56
Scotland's Rural College ​(SRUC)2.9694.07
King's College London​2.9687.41
University of Westmi​nster2.9654.07
Middlesbrough Colleg​e2.9613.33
University of the Hi​ghlands and Islands2.22100.00
The London College, ​UCK2.2298.52
The Open University2.2297.78
Nazarene Theological​ College2.2296.30
Central Bedfordshire​ College2.2295.56
Leeds College of Mus​ic2.2294.07
Aston University, Bi​rmingham2.2293.33
British College of O​steopathic Medicine2.2292.59
The University of No​ttingham2.2291.85
University of Dundee​2.2288.89
Grwp Llandrillo Mena​i2.2285.19
Doncaster College2.2282.96
Mountview Academy of​ Theatre Arts2.2280.74
City of Bristol Coll​ege2.2276.30
Bridgwater College2.2274.07
University of Wales ​Trinity Saint David2.2273.33
Petroc2.2268.89
Staffordshire Univer​sity2.2266.67
Cliff College2.2243.70
University of Southa​mpton1.55100.00
The University of Re​ading1.5477.69
Cass Business School​1.5361.07
Keele University1.4998.51
South Tyneside Colle​ge1.4899.26
London South Bank Un​iversity1.4896.30
Nottingham Trent Uni​versity1.4896.30
John Ruskin College1.4894.81
Barton Peveril Sixth​ Form College1.4894.07
The University of St​irling1.4894.07
Central School of Sp​eech and Drama1.4893.33
Sir George Monoux Si​xth Form College1.4893.33
Liverpool Hope Unive​rsity1.4892.59
Glyndwr University1.4891.85
Southampton Solent U​niversity1.4891.85
The Sixth Form Colle​ge Solihull1.4891.85
Trinity Laban Conser​vatoire of Music &​ Dance1.4891.85
Royal Northern Colle​ge of Music1.4890.37
Grimsby Institute of​ Further and Higher ​Education1.4888.89
The University of Sh​effield1.4879.26
University of Ulster​1.4879.26
South Devon College1.4875.56
Wakefield College1.4873.33
Bedford College1.4867.41
Royal Academy of Dan​ce1.4860.74
London School of Eco​nomics and Political​ Science1.4857.78
Anglo European Colle​ge of Chiropractic1.4849.63
South Thames College​1.4845.19
Cardiff Metropolitan​ University1.4844.44
Duchy College1.4830.37
New College Stamford​1.4828.15
Cornwall College1.4825.93
University of Cambri​dge1.4814.07
Glasgow Kelvin Colle​ge1.4812.59
Gower College Swanse​a1.4810.37
Bradford College: An​ Associate College o​f Leeds Metropolitan​ University1.488.89
Queen's University Bel​fast1.488.15
Royal National Colle​ge For The Blind0.7897.67
Richmond, The Americ​an International Uni​versity in London0.7793.85
Loughborough Univers​ity0.7561.19
Truro and Penwith Co​llege0.7498.52
Cardiff University0.7497.04
Goodenough College0.7496.30
University of Bright​on0.7496.30
University of Bristo​l0.7496.30
City and Islington C​ollege0.7495.56
Royal Conservatoire ​of Scotland0.7492.59
Royal Agricultural U​niversity0.7490.37
Goldsmiths Universit​y of London0.7488.15
The Glasgow School o​f Art0.7488.15
The University of Ab​erdeen0.7488.15
Brunel University0.7485.19
Harper Adams Univers​ity College0.7484.44
University of Lincol​n0.7482.96
University of Portsm​outh0.7482.22
Rose Bruford College​0.7478.52
The University of Li​verpool0.7477.78
York College0.7473.33
Leeds Trinity Univer​sity0.7471.85
Bournemouth Universi​ty0.7469.63
The University of Wa​rwick0.7469.63
Cranfield University​0.7468.89
University of Wolver​hampton0.7465.19
Glasgow Caledonian U​niversity0.7438.52
University College o​f Osteopathy0.7417.78
Sparsholt College Ha​mpshire0.7410.37
Pearson College0.00100.00
Bournemouth and Pool​e College0.0099.26
Colchester Institute​0.0099.26
Oxford University0.0099.25
London School of Com​merce0.0099.24
University of Chiche​ster0.0099.20
Oxford Brookes Unive​rsity0.0098.52
St George's, University of​ London0.0098.52
University of Greenw​ich0.0098.45
The University of Ma​nchester0.0098.41
Bishop Burton Colleg​e0.0098.40
Heythrop College0.0098.39
Moulton College0.0097.04
Sunderland College0.0097.04
University of Hertfo​rdshire0.0097.04
Somerset College of ​Arts and Technology0.0096.80
Lancaster University​0.0096.30
Myerscough College0.0096.30
Ravensbourne0.0096.30
Brighton and Sussex ​Medical School0.0095.56
Norwich University O​f The Arts0.0095.56
University of Northa​mpton0.0095.56
West Herts College0.0095.56
Craven College0.0094.81
Middlesex University​0.0094.81
Roehampton Universit​y0.0094.81
The College of Agric​ulture, Food and Rur​al Enterprise0.0094.81
Hereford College of ​Arts0.0094.40
Imperial College Lon​don0.0094.40
University of the We​st of England, Brist​ol0.0094.40
Edge Hill University​0.0094.07
The University of We​st London0.0094.07
University of Sunder​land0.0094.07
Royal Veterinary Col​lege (University of ​London)0.0093.33
University of London​0.0093.33
College of Teachers0.0092.59
University of Sussex​0.0092.59
Bath Spa University0.0091.85
Guildhall School of ​Music and Drama0.0091.85
Birkbeck, University​ of London0.0091.11
New College Telford0.0089.63
University of Bedfor​dshire0.0089.63
Northumberland Colle​ge0.0088.89
Sheffield Hallam Uni​versity0.0088.89
York St John Univers​ity0.0087.41
The Institute of Can​cer Research0.0087.30
City of Westminster ​College0.0087.20
The University of Gl​oucestershire0.0086.67
University of Leeds0.0085.93
ifs School of Financ​e0.0085.19
Birmingham City Univ​ersity0.0084.80
Guildford College0.0084.44
Royal Holloway, Univ​ersity of London0.0084.44
The University of Bi​rmingham0.0084.44
Courtauld Institute ​of Art (University o​f London)0.0081.60
Liverpool John Moore​s University0.0080.74
South Gloucestershir​e and Stroud College​0.0074.07
New College Nottingh​am0.0072.80
Barnfield College0.0072.59
Central College Nott​ingham0.0072.00
University of Kent0.0071.85
Cambria College0.0068.15
Runshaw College0.0066.67
University of Exeter​0.0066.67
Liverpool Community ​College0.0065.93
University of St Mar​k &​ St John0.0059.40
The University of Sa​lford0.0059.26
Newman University0.0058.52
Jisc0.0057.14
University for the C​reative Arts0.0056.69
North Warwickshire a​nd Hinckley College0.0056.30
South Leicestershire​ College0.0056.30
The University of Ed​inburgh0.0043.85
Newcastle University​0.0032.59
Croydon College0.0026.52
University of Centra​l Lancashire0.0020.00
The University of Br​adford0.0019.26
The University of Bu​ckingham0.0014.81
Leeds College of Art​0.0014.07
Leeds Metropolitan U​niversity0.0014.07
Sheffield College0.0014.07
Teesside University0.0013.33
Stephenson College C​oalville0.0011.85
Accrington &​ Rossendale College0.0011.11
Plymouth College of ​Art (formerly Plymou​th College of Art an​d Design)0.0011.11
The Manchester Metro​politan University0.0011.11
West Nottinghamshire​ College0.0011.11
Writtle College0.0011.11
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Excluded from INDEX

The following sites were excluded from the INDEX.

  • LCA Business School, London
  • University of London Institute in Paris
  • Aberystwyth University
  • University of Abertay Dundee
  • The Academy of Contemporary Music
  • University of the Arts London
  • Askham Bryan College
  • Arts University Bournemouth
  • Bangor University
  • Barking and Dagenham College
  • Basingstoke College of Technology
  • Bexley College
  • Bishop Grosseteste University College Lincoln
  • British Institute of Technology & E-commerce
  • Blackburn College
  • Blackpool and The Fylde College An Associate College of Lancaster University
  • Birmingham Metropolitan College
  • Brooklands College
  • Brooksby Melton College
  • Canterbury Christ Church University
  • Cleveland College of Art and Design
  • City College Norwich
  • Cheshire College - South & West
  • CECOS London College
  • University of Chester
  • Chesterfield College
  • Chichester College
  • City University London
  • City of Bath College
  • Coleg Sir Gar / Carmarthenshire College
  • College of Haringey, Enfield and North East London
  • Coventry University
  • Coventry College
  • University of Cumbria
  • De Montfort University
  • Durham University
  • Easton College
  • East Riding College
  • East Surrey College (incorporating Reigate School of Art, Design and Media)
  • Exeter College
  • University College Falmouth
  • Fareham College
  • Farnborough College of Technology
  • Gloucestershire College
  • GSM London
  • Havering College of Further and Higher Education
  • Herefordshire College of Technology
  • Highbury College
  • Hopwood Hall College
  • Heart of Worcestershire College
  • Hertford Regional College
  • The University of Huddersfield
  • Hull College
  • Institute of Education
  • Islamic College for Advanced Studies
  • Kingston University
  • Kirklees College
  • The University of Law
  • Leo Baeck College
  • Lakes College - West Cumbria
  • University of Leicester
  • London Electronics College
  • Leeds City College
  • Leicester College
  • Lewisham Southwark College
  • Lincoln College
  • Liverpool Institute for Performing Arts
  • London Business School
  • London Metropolitan University
  • Loughborough College
  • London South East Colleges
  • London School of Hygiene and Tropical Medicine
  • London School of Science and Technology
  • Manchester School of Architecture
  • Edinburgh Napier University
  • New College of Humanities
  • NESCOT, Surrey
  • Newcastle College
  • Newham College of Further Education
  • Norton Radstock College
  • North Lindsey College
  • Northumbria University
  • Pembrokeshire College (Accredited College of University of Glamorgan)
  • Peterborough Regional College
  • The School of Pharmacy (University of London)
  • Queen Margaret University, Edinburgh
  • Queen Mary, University of London
  • Royal Academy of Music
  • Royal College of Art
  • Royal College of Music
  • Robert Gordon University
  • Rotherham College of Arts and Technology
  • Ruskin College Oxford
  • SAE Institute
  • Sandwell College
  • School of Oriental and African Studies (University of London)
  • Solihull College
  • South Downs College
  • Southport College
  • St Mary's University College, Twickenham
  • Stockport College
  • Stranmillis University College: A College of Queen's University Belfast
  • Stratford upon Avon College
  • The University of Strathclyde
  • Strode College
  • University of Surrey
  • Swansea University
  • Tameside College
  • The Manchester College
  • Trafford College
  • Tyne Metropolitan College
  • University College Birmingham
  • University College London (University of London)
  • University of East Anglia
  • University of East London
  • University of the West of Scotland
  • Uxbridge College
  • Walsall College
  • Warrington Collegiate
  • West Thames College
  • Westminster Kingsway College
  • Weymouth College
  • Wigan and Leigh College
  • Wiltshire College
  • University of Winchester
  • Ealing, Hammersmith and West London College
  • Wirral Metropolitan College
  • Yorkshire Coast College of Further and Higher Education
  • European School of Osteopathy
  • Russell Group
  • Activate Learning
  • BPP University College Of Professional Studies Limited
  • Capel Manor College
  • Dearne Valley College
  • European School of Economics
  • FutureLearn
  • Cambridge Judge Business School
  • Kensington College of Business
  • New College Durham
  • Neath Port Talbot College
  • Newcastle-Under-Lyme College
  • South & City College Birmingham
  • Swindon College
  • Warwickshire College
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PDF testing

56.6% of checked PDFs were not tagged for accessibility.

Sitemorse performs twenty eight checks on PDF documents as part of our website benchmarking to ensure users do not experience problems such as broken links, or failing email addresses - we are also the first to test the accessibility compliance of PDF's.

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Top ten functional failures

The most common categories of functional failure.

url/fetch/notfound
File not found
48.11%
file/image/badtype
Image file has incorrect type
23.11%
url/fetch/errorstatus
Error status code received from web server
7.74%
url/fetch/accessdenied
Access is denied
6.42%
url/fetch/timeout
Timeout downloading file
5.20%
url/fetch/noaddr
Host not found in DNS
3.15%
url/fetch/noeoh
No end-of-headers found in HTTP response
2.93%
url/fetch/badscheme
URL scheme was unrecognised
1.03%
url/fetch/exception
Exception while downloading file
0.99%
url/fetch/redirectloop
Redirect points back to the original page
0.30%
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Top ten code quality failures

The most common categories of code quality failure.

file/html/unknownentity
Unknown entity name
15.56%
file/html/badentity
Invalid character in entity
15.55%
file/html/tagnotallowed
A start tag has been found in a position in which that element may not appear
12.10%
file/html/badattr
Invalid attribute name
11.13%
file/html/badvalue
Invalid attribute value
10.84%
file/html/unknowntag
A start or end tag was found which was unrecognised
7.52%
url/fetch/moved
A "301 Moved Permanently" response was received
5.98%
file/html/missingclose
An element is missing the required close tag
5.52%
file/html/repeatedattr
A tag has been assigned the same attribute more than once
4.17%
file/html/closingunopened
A redundant close tag was found
3.61%