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IssuesDescription and URLGuidelineLine
7https://petrov.moadoph.gov.au/
CriticalRequired attribute type not specified.
HTML Validation
3 17 20 41
CriticalReference not terminated by REFC delimiter.
HTML Validation
3
Very ImportantIf you set any of the colors on the body or a elements you must set all of them.
The colors used are:
color: rgb(0,0,0); uses browser default background-color: ;
color: rgb(0,0,0); uses browser default background-color: ;
color: rgb(0,0,0); uses browser default background-color: ;
color: rgb(0,0,0); uses browser default background-color: ;
color: rgb(0,0,0); uses browser default background-color: ;
WCAG 2.0 AA F24
Section 508 (2017) AA F24
111 116 120 124 131
Very ImportantThere is no attribute async.
HTML Validation
16
Very ImportantThere is no attribute class.
HTML Validation
3
Very ImportantAn unknown entity has been used. This often happens when &param=value is used instead of &param=value in URL query strings.
HTML Validation Ampersand Problem
3 3 3
ImportantThe doctype of this page triggers limited quirks mode in Chrome, IE, Firefox and most other browsers. This means pages may look different in different browsers.
Internet Explorer ≥ 6
Edge
Firefox
Safari
Opera
Chrome
iPhone/iPad
Android
1
8https://petrov.moadoph.gov.au/red-alert.html
CriticalThis page contains some spelling errors.
practicing emigre

276 324
CriticalRequired attribute type not specified.
HTML Validation
47
CriticalReference not terminated by REFC delimiter.
HTML Validation
51
CriticalElement audio undefined.
HTML Validation
266
Very ImportantThere is no attribute src.
HTML Validation
266
Very ImportantAn unknown entity has been used. This often happens when &param=value is used instead of &param=value in URL query strings.
HTML Validation Ampersand Problem
51 51 51
ImportantAvoid specifying a new window as the target of a link with target=_blank.
WCAG 2.0 AAA F22
226 235 244
ImportantThe doctype of this page triggers limited quirks mode in Chrome, IE, Firefox and most other browsers. This means pages may look different in different browsers.
Internet Explorer ≥ 6
Edge
Firefox
Safari
Opera
Chrome
iPhone/iPad
Android
1
6https://petrov.moadoph.gov.au/spies-and-codes.html
CriticalThis page contains some spelling errors.
emigre

283
CriticalRequired attribute type not specified.
HTML Validation
47
CriticalReference not terminated by REFC delimiter.
HTML Validation
51
Very ImportantAn unknown entity has been used. This often happens when &param=value is used instead of &param=value in URL query strings.
HTML Validation Ampersand Problem
51 51 51
ImportantAvoid specifying a new window as the target of a link with target=_blank.
WCAG 2.0 AAA F22
226 235 244
ImportantThe doctype of this page triggers limited quirks mode in Chrome, IE, Firefox and most other browsers. This means pages may look different in different browsers.
Internet Explorer ≥ 6
Edge
Firefox
Safari
Opera
Chrome
iPhone/iPad
Android
1
7https://petrov.moadoph.gov.au/the-affair.html
CriticalRequired attribute type not specified.
HTML Validation
47
CriticalReference not terminated by REFC delimiter.
HTML Validation
51
CriticalElement audio undefined.
HTML Validation
273 329
Very ImportantThere is no attribute src.
HTML Validation
273
Very ImportantAn unknown entity has been used. This often happens when &param=value is used instead of &param=value in URL query strings.
HTML Validation Ampersand Problem
51 51 51
ImportantAvoid specifying a new window as the target of a link with target=_blank.
WCAG 2.0 AAA F22
226 235
ImportantThe doctype of this page triggers limited quirks mode in Chrome, IE, Firefox and most other browsers. This means pages may look different in different browsers.
Internet Explorer ≥ 6
Edge
Firefox
Safari
Opera
Chrome
iPhone/iPad
Android
1
5https://petrov.moadoph.gov.au/spies.html
CriticalThis page contains some spelling errors.
minifon

292
CriticalRequired attribute type not specified.
HTML Validation
47
CriticalReference not terminated by REFC delimiter.
HTML Validation
51
Very ImportantAn unknown entity has been used. This often happens when &param=value is used instead of &param=value in URL query strings.
HTML Validation Ampersand Problem
51 51 51
ImportantThe doctype of this page triggers limited quirks mode in Chrome, IE, Firefox and most other browsers. This means pages may look different in different browsers.
Internet Explorer ≥ 6
Edge
Firefox
Safari
Opera
Chrome
iPhone/iPad
Android
1
8https://petrov.moadoph.gov.au/royal-commission.html
CriticalThis page contains some spelling errors.
imperialise

341
CriticalRequired attribute type not specified.
HTML Validation
47
CriticalReference not terminated by REFC delimiter.
HTML Validation
51
CriticalElement audio undefined.
HTML Validation
304 319 350
Very ImportantThere is no attribute src.
HTML Validation
304
Very ImportantAn unknown entity has been used. This often happens when &param=value is used instead of &param=value in URL query strings.
HTML Validation Ampersand Problem
51 51 51
ImportantAvoid specifying a new window as the target of a link with target=_blank.
WCAG 2.0 AAA F22
226 235 244
ImportantThe doctype of this page triggers limited quirks mode in Chrome, IE, Firefox and most other browsers. This means pages may look different in different browsers.
Internet Explorer ≥ 6
Edge
Firefox
Safari
Opera
Chrome
iPhone/iPad
Android
1
6https://petrov.moadoph.gov.au/politicians.html
CriticalRequired attribute type not specified.
HTML Validation
47
CriticalReference not terminated by REFC delimiter.
HTML Validation
51
CriticalElement audio undefined.
HTML Validation
281 300
Very ImportantThere is no attribute src.
HTML Validation
281
Very ImportantAn unknown entity has been used. This often happens when &param=value is used instead of &param=value in URL query strings.
HTML Validation Ampersand Problem
51 51 51
ImportantThe doctype of this page triggers limited quirks mode in Chrome, IE, Firefox and most other browsers. This means pages may look different in different browsers.
Internet Explorer ≥ 6
Edge
Firefox
Safari
Opera
Chrome
iPhone/iPad
Android
1
6https://petrov.moadoph.gov.au/participants.html
CriticalRequired attribute type not specified.
HTML Validation
47
CriticalReference not terminated by REFC delimiter.
HTML Validation
51
CriticalElement audio undefined.
HTML Validation
297
Very ImportantThere is no attribute src.
HTML Validation
297
Very ImportantAn unknown entity has been used. This often happens when &param=value is used instead of &param=value in URL query strings.
HTML Validation Ampersand Problem
51 51 51
ImportantThe doctype of this page triggers limited quirks mode in Chrome, IE, Firefox and most other browsers. This means pages may look different in different browsers.
Internet Explorer ≥ 6
Edge
Firefox
Safari
Opera
Chrome
iPhone/iPad
Android
1
7https://petrov.moadoph.gov.au/the-split.html
CriticalRequired attribute type not specified.
HTML Validation
47
CriticalReference not terminated by REFC delimiter.
HTML Validation
51
CriticalElement audio undefined.
HTML Validation
266
Very ImportantThere is no attribute src.
HTML Validation
266
Very ImportantAn unknown entity has been used. This often happens when &param=value is used instead of &param=value in URL query strings.
HTML Validation Ampersand Problem
51 51 51
ImportantAvoid specifying a new window as the target of a link with target=_blank.
WCAG 2.0 AAA F22
226 235 244
ImportantThe doctype of this page triggers limited quirks mode in Chrome, IE, Firefox and most other browsers. This means pages may look different in different browsers.
Internet Explorer ≥ 6
Edge
Firefox
Safari
Opera
Chrome
iPhone/iPad
Android
1
5https://petrov.moadoph.gov.au/fallout.html
CriticalRequired attribute type not specified.
HTML Validation
47
CriticalReference not terminated by REFC delimiter.
HTML Validation
51
Very ImportantAn unknown entity has been used. This often happens when &param=value is used instead of &param=value in URL query strings.
HTML Validation Ampersand Problem
51 51 51
ImportantAvoid specifying a new window as the target of a link with target=_blank.
WCAG 2.0 AAA F22
226 235 244
ImportantThe doctype of this page triggers limited quirks mode in Chrome, IE, Firefox and most other browsers. This means pages may look different in different browsers.
Internet Explorer ≥ 6
Edge
Firefox
Safari
Opera
Chrome
iPhone/iPad
Android
1
4https://petrov.moadoph.gov.au/the-players.html
CriticalRequired attribute type not specified.
HTML Validation
47
CriticalReference not terminated by REFC delimiter.
HTML Validation
51
Very ImportantAn unknown entity has been used. This often happens when &param=value is used instead of &param=value in URL query strings.
HTML Validation Ampersand Problem
51 51 51
ImportantThe doctype of this page triggers limited quirks mode in Chrome, IE, Firefox and most other browsers. This means pages may look different in different browsers.
Internet Explorer ≥ 6
Edge
Firefox
Safari
Opera
Chrome
iPhone/iPad
Android
1
5https://petrov.moadoph.gov.au/media.html
CriticalThis page contains some spelling errors.
fiance

270
CriticalRequired attribute type not specified.
HTML Validation
47
CriticalReference not terminated by REFC delimiter.
HTML Validation
51
Very ImportantAn unknown entity has been used. This often happens when &param=value is used instead of &param=value in URL query strings.
HTML Validation Ampersand Problem
51 51 51
ImportantThe doctype of this page triggers limited quirks mode in Chrome, IE, Firefox and most other browsers. This means pages may look different in different browsers.
Internet Explorer ≥ 6
Edge
Firefox
Safari
Opera
Chrome
iPhone/iPad
Android
1
4https://petrov.moadoph.gov.au/it-happened-here.html
CriticalRequired attribute type not specified.
HTML Validation
47
CriticalReference not terminated by REFC delimiter.
HTML Validation
51
Very ImportantAn unknown entity has been used. This often happens when &param=value is used instead of &param=value in URL query strings.
HTML Validation Ampersand Problem
51 51 51
ImportantThe doctype of this page triggers limited quirks mode in Chrome, IE, Firefox and most other browsers. This means pages may look different in different browsers.
Internet Explorer ≥ 6
Edge
Firefox
Safari
Opera
Chrome
iPhone/iPad
Android
1
6https://petrov.moadoph.gov.au/resources.html
CriticalRequired attribute type not specified.
HTML Validation
47
CriticalReference not terminated by REFC delimiter.
HTML Validation
51
CriticalElement audio undefined.
HTML Validation
236 248 260 272 284 ...
Very ImportantThere is no attribute src.
HTML Validation
236
Very ImportantAn unknown entity has been used. This often happens when &param=value is used instead of &param=value in URL query strings.
HTML Validation Ampersand Problem
51 51 51
ImportantThe doctype of this page triggers limited quirks mode in Chrome, IE, Firefox and most other browsers. This means pages may look different in different browsers.
Internet Explorer ≥ 6
Edge
Firefox
Safari
Opera
Chrome
iPhone/iPad
Android
1
4https://petrov.moadoph.gov.au/resources/timeline2.pdf
CriticalUse the lang attribute to identify the language of the page.
WCAG 2.0 A 3.1.1
Section 508 (2017) A 3.1.1
1
CriticalFigures and images in PDF documents should have non blank ALT text, except for decorative images which should be marked as artifacts.
WCAG 2.0 A F65
Section 508 (2017) A F65
0
CriticalPDFs must be tagged to be accessible by screen readers.
WCAG 2.0 A 1.3.1
Section 508 (2017) A 1.3.1
1
ImportantEach section of content should begin with a heading element (h1, h2, h3), but this page has no headings.
WCAG 2.0 AAA 2.4.10
1
5https://petrov.moadoph.gov.au/webquest.html
CriticalRequired attribute type not specified.
HTML Validation
47
CriticalReference not terminated by REFC delimiter.
HTML Validation
51
Very ImportantAn unknown entity has been used. This often happens when &param=value is used instead of &param=value in URL query strings.
HTML Validation Ampersand Problem
51 51 51
ImportantSeveral links on a page share the same link text, but go to different destinations.
Link text:
Resources
Resources
WCAG 2.0 AAA 2.4.9
166 239
ImportantThe doctype of this page triggers limited quirks mode in Chrome, IE, Firefox and most other browsers. This means pages may look different in different browsers.
Internet Explorer ≥ 6
Edge
Firefox
Safari
Opera
Chrome
iPhone/iPad
Android
1
5https://petrov.moadoph.gov.au/webquest-task.html
CriticalRequired attribute type not specified.
HTML Validation
47
CriticalReference not terminated by REFC delimiter.
HTML Validation
51
Very ImportantAn unknown entity has been used. This often happens when &param=value is used instead of &param=value in URL query strings.
HTML Validation Ampersand Problem
51 51 51
ImportantSeveral links on a page share the same link text, but go to different destinations.
Link text:
Resources
Resources
WCAG 2.0 AAA 2.4.9
166 239
ImportantThe doctype of this page triggers limited quirks mode in Chrome, IE, Firefox and most other browsers. This means pages may look different in different browsers.
Internet Explorer ≥ 6
Edge
Firefox
Safari
Opera
Chrome
iPhone/iPad
Android
1
7https://petrov.moadoph.gov.au/webquest-process.html
CriticalRequired attribute type not specified.
HTML Validation
47
CriticalReference not terminated by REFC delimiter.
HTML Validation
51
CriticalThis link is broken. The page could not be found on the target web server.
Broken link: The Royal Commission on Espionage, 1954-55 https://www.naa.gov.au/about-us/publications/fact-sheets/fs130.aspx 404.00 Not Found
Broken Link
452
Very ImportantAn unknown entity has been used. This often happens when &param=value is used instead of &param=value in URL query strings.
HTML Validation Ampersand Problem
51 51 51
ImportantAvoid specifying a new window as the target of a link with target=_blank.
WCAG 2.0 AAA F22
365
ImportantSeveral links on a page share the same link text, but go to different destinations.
Link text:
The Petrov Affair
Resources
Resources
The Petrov Affair
WCAG 2.0 AAA 2.4.9
91 166 239 375
ImportantThe doctype of this page triggers limited quirks mode in Chrome, IE, Firefox and most other browsers. This means pages may look different in different browsers.
Internet Explorer ≥ 6
Edge
Firefox
Safari
Opera
Chrome
iPhone/iPad
Android
1
4https://petrov.moadoph.gov.au/resources/keyplayerschart.pdf
CriticalUse the lang attribute to identify the language of the page.
WCAG 2.0 A 3.1.1
Section 508 (2017) A 3.1.1
1
CriticalDocument title must not be blank.
WCAG 2.0 A F25
Section 508 (2017) A F25
1
CriticalPDFs must be tagged to be accessible by screen readers.
WCAG 2.0 A 1.3.1
Section 508 (2017) A 1.3.1
1
ImportantEach section of content should begin with a heading element (h1, h2, h3), but this page has no headings.
WCAG 2.0 AAA 2.4.10
1
1https://petrov.moadoph.gov.au/webquest-historian.html
ImportantSeveral links on a page share the same link text, but go to different destinations.
Link text:
Resources
Resources
WCAG 2.0 AAA 2.4.9
166 239
1https://petrov.moadoph.gov.au/webquest-journalist.html
ImportantSeveral links on a page share the same link text, but go to different destinations.
Link text:
Resources
Resources
WCAG 2.0 AAA 2.4.9
166 239
1https://petrov.moadoph.gov.au/webquest-social-commentator.html
ImportantSeveral links on a page share the same link text, but go to different destinations.
Link text:
Resources
Resources
WCAG 2.0 AAA 2.4.9
166 239
3https://petrov.moadoph.gov.au/webquest-evdokia-petrov.html
CriticalThis page contains some spelling errors.
womens façade

426 443
CriticalThis link is broken. The page could not be found on the target web server.
Broken link: The Royal Commission on Espionage, 1954-55 https://www.naa.gov.au/about-us/publications/fact-sheets/fs130.aspx 404.00 Not Found
Broken Link
467
ImportantSeveral links on a page share the same link text, but go to different destinations.
Link text:
The Petrov Affair
Resources
Resources
The Petrov Affair
WCAG 2.0 AAA 2.4.9
91 166 239 467
3https://petrov.moadoph.gov.au/webquest-vladamir-petrov.html
CriticalThis page contains some spelling errors.
womens façade

397 421
CriticalThis link is broken. The page could not be found on the target web server.
Broken link: The Royal Commission on Espionage, 1954-55 https://www.naa.gov.au/about-us/publications/fact-sheets/fs130.aspx 404.00 Not Found
Broken Link
445
ImportantSeveral links on a page share the same link text, but go to different destinations.
Link text:
The Petrov Affair
Resources
Resources
The Petrov Affair
WCAG 2.0 AAA 2.4.9
91 166 239 445
2https://petrov.moadoph.gov.au/webquest-menzies.html
CriticalThis link is broken. The page could not be found on the target web server.
Broken link: The Petrov Affair – Menzies the Prime Minister https://www.naa.gov.au/about-us/publications/fact-sheets/fs78.aspx 404.00 Not Found
Broken Link
424
ImportantSeveral links on a page share the same link text, but go to different destinations.
Link text:
Resources
Resources
Robert Menzies
Robert Menzies
WCAG 2.0 AAA 2.4.9
166 239 414 434
3https://petrov.moadoph.gov.au/webquest-evatt.html
CriticalThis page contains some spelling errors.
mitchell

305
CriticalThis link is broken. The page could not be found on the target web server.
Broken link: The Royal Commission on Espionage, 1954-55 https://www.naa.gov.au/about-us/publications/fact-sheets/fs130.aspx 404.00 Not Found
Broken Link
440
ImportantSeveral links on a page share the same link text, but go to different destinations.
Link text:
The Petrov Affair
Resources
Resources
The Petrov Affair
WCAG 2.0 AAA 2.4.9
91 166 239 440
1https://petrov.moadoph.gov.au/webquest-spry.html
ImportantSeveral links on a page share the same link text, but go to different destinations.
Link text:
Resources
Resources
WCAG 2.0 AAA 2.4.9
166 239
2https://petrov.moadoph.gov.au/webquest-santamaria.html
CriticalThis link returns a 403 HTTP status code.
Link: Australian Biography – B. A. Santamaria https://www.australianbiography.gov.au/santamaria/index.html 403.00 Forbidden
Broken Link
367
ImportantSeveral links on a page share the same link text, but go to different destinations.
Link text:
Resources
Resources
WCAG 2.0 AAA 2.4.9
166 239
2https://petrov.moadoph.gov.au/webquest-lockwood.html
CriticalThis link is broken. The page could not be found on the target web server.
Broken link: The Royal Commission on Espionage, 1954-55 https://www.naa.gov.au/about-us/publications/fact-sheets/fs130.aspx 404.00 Not Found
Broken Link
422
ImportantSeveral links on a page share the same link text, but go to different destinations.
Link text:
The Petrov Affair
Resources
Resources
The Petrov Affair
WCAG 2.0 AAA 2.4.9
91 166 239 422
1https://petrov.moadoph.gov.au/webquest-searle.html
ImportantSeveral links on a page share the same link text, but go to different destinations.
Link text:
Resources
Resources
WCAG 2.0 AAA 2.4.9
166 239
1https://petrov.moadoph.gov.au/webquest-combe.html
CriticalThis page contains some spelling errors.
leadlight

346
1https://petrov.moadoph.gov.au/webquest-bialoguski.html
ImportantSeveral links on a page share the same link text, but go to different destinations.
Link text:
Resources
Resources
WCAG 2.0 AAA 2.4.9
166 239
2https://petrov.moadoph.gov.au/webquest-royal-commissioner.html
CriticalThis page contains some spelling errors.
eg

390
CriticalThis link is broken. The page could not be found on the target web server.
Broken link: The Royal Commission on Espionage, 1954-55 https://www.naa.gov.au/about-us/publications/fact-sheets/fs130.aspx 404.00 Not Found
Broken Link
373
8https://petrov.moadoph.gov.au/webquest-resources.html
CriticalSome pages have the same title, so the title cannot be used to distinguish pages.
' Resources — The Petrov Affair ' is also used on https://petrov.moadoph.gov.au/resources.html.
WCAG 2.0 A F25
Section 508 (2017) A F25
9
CriticalRequired attribute type not specified.
HTML Validation
47
CriticalReference not terminated by REFC delimiter.
HTML Validation
51
CriticalThis link is broken. The page could not be found on the target web server.
Broken link: The Royal Commission on Espionage, 1954-55 https://www.naa.gov.au/about-us/publications/fact-sheets/fs130.aspx 404.00 Not Found
Broken Link
354
CriticalThis link is broken. The page could not be found on the target web server.
Broken link: “Conflicts and resolutions arising from the Petrov defections” https://www.naa.gov.au/Images/Conflicts-defections_tcm16-38524.pdf 404.00 Not Found
Broken Link
324
Very ImportantAn unknown entity has been used. This often happens when &param=value is used instead of &param=value in URL query strings.
HTML Validation Ampersand Problem
51 51 51
ImportantSeveral links on a page share the same link text, but go to different destinations.
Link text:
Resources
Resources
WCAG 2.0 AAA 2.4.9
166 239
ImportantThe doctype of this page triggers limited quirks mode in Chrome, IE, Firefox and most other browsers. This means pages may look different in different browsers.
Internet Explorer ≥ 6
Edge
Firefox
Safari
Opera
Chrome
iPhone/iPad
Android
1
6https://petrov.moadoph.gov.au/webquest-evaluation.html
CriticalIdentify row and column headers in data tables using th elements, and mark layout tables with role=presentation.
WCAG 2.0 A F91
Section 508 (2017) A F91
295 392 515
CriticalRequired attribute type not specified.
HTML Validation
47
CriticalReference not terminated by REFC delimiter.
HTML Validation
51
Very ImportantAn unknown entity has been used. This often happens when &param=value is used instead of &param=value in URL query strings.
HTML Validation Ampersand Problem
51 51 51
ImportantSeveral links on a page share the same link text, but go to different destinations.
Link text:
Resources
Resources
WCAG 2.0 AAA 2.4.9
166 239
ImportantThe doctype of this page triggers limited quirks mode in Chrome, IE, Firefox and most other browsers. This means pages may look different in different browsers.
Internet Explorer ≥ 6
Edge
Firefox
Safari
Opera
Chrome
iPhone/iPad
Android
1
1https://petrov.moadoph.gov.au/webquest-conclusion.html
ImportantSeveral links on a page share the same link text, but go to different destinations.
Link text:
Resources
Resources
WCAG 2.0 AAA 2.4.9
166 239
1https://petrov.moadoph.gov.au/webquest-teachers-guide.html
ImportantSeveral links on a page share the same link text, but go to different destinations.
Link text:
Resources
Resources
WCAG 2.0 AAA 2.4.9
166 239
1https://petrov.moadoph.gov.au/webquest-credits.html
ImportantSeveral links on a page share the same link text, but go to different destinations.
Link text:
Resources
Resources
WCAG 2.0 AAA 2.4.9
166 239
5https://petrov.moadoph.gov.au/defectors.html
CriticalThis page contains some spelling errors.
emigré protestors

270 282
CriticalRequired attribute type not specified.
HTML Validation
47
CriticalReference not terminated by REFC delimiter.
HTML Validation
51
Very ImportantAn unknown entity has been used. This often happens when &param=value is used instead of &param=value in URL query strings.
HTML Validation Ampersand Problem
51 51 51
ImportantThe doctype of this page triggers limited quirks mode in Chrome, IE, Firefox and most other browsers. This means pages may look different in different browsers.
Internet Explorer ≥ 6
Edge
Firefox
Safari
Opera
Chrome
iPhone/iPad
Android
1
2https://petrov.moadoph.gov.au/stylesheets/style.css
CriticalInvalid value for CSS property.
margin-left: 20
CSS Validation
52 754
InformationProperty or at-rule is vendor specific.
-webkit-box-shadow
CSS Validation
21 22 85 86 132 ...
2https://petrov.moadoph.gov.au/stylesheets/print.css
CriticalThis link is broken. The page could not be found on the target web server.
Broken link: https://petrov.moadoph.gov.au/stylesheets/images/h2-next.png 404.00 Not Found
Broken Link
55
CriticalThis link is broken. The page could not be found on the target web server.
Broken link: https://petrov.moadoph.gov.au/stylesheets/images/a-next.png 404.00 Not Found
Broken Link
62 69
159 issues on 41 pages