Tracked site: https://loc.gov/.
Checked against the Web 1.0 Specification
(2026 Edition), front page
only, roughly every two weeks.
F
Fails on multiple major faults.
Latest check: 2026-09-29.
4 major, 4 minor;
255.0 MB first-party transfer,
108 requests.
Rule by rule
| Rule | Fault | Result |
|---|
| JS-01 | JavaScript |
MAJOR
- inline <script>
- <script src="/static/javascript/web-components.js">
- <script src="/static/ui2/dist/js/jquery-1.8.2.js">
- inline <script>
- <script src="/static/javascript/site.js">
- and 3 more
|
| TP-01 | Third-party requests |
MAJOR
- https://assets.adobedtm.com/dac62e20b491e735c6b56e64c39134d8ee93f9cf/satelliteLib-6b47f831c184878d7338d4683ecf773a17973bb9.js (via <script src>)
|
| CK-01 | Cookies |
MAJOR
- Set-Cookie on https://tile.loc.gov/storage-services/media/webcasts/2026/26-030dig0000/26-030dig0000-1920x1080_6000.mp4
|
| WT-01 | Excessive transfer |
MAJOR
- total first-party transfer 254.99 MB (over 2 MB)
|
| AV-01 | Autoplaying media |
pass |
| HY-01 | Missing doctype |
pass |
| HY-02 | Missing title |
pass |
| HY-03 | Missing language |
pass |
| HY-04 | Missing charset |
pass |
| HY-05 | Missing alt text |
pass |
| FT-01 | Web fonts |
3 minor
- @font-face in https://www.loc.gov/static/ui2/dist/css/base.css
- @font-face in https://www.loc.gov/static/ui2/dist/css/base.css
- @font-face in https://www.loc.gov/static/ui2/dist/css/base.css
- @font-face in https://www.loc.gov/static/ui2/dist/css/base.css
- @font-face in https://www.loc.gov/static/ui2/dist/css/base.css
- and 15 more
|
| RQ-01 | Excessive requests |
1 minor
|
| FR-01 | First-party frame |
pass |
History
| Date | Grade | Majors | Minors |
Weight | Requests |
|---|
| 2026-09-29 |
F |
4 |
4 |
255.0 MB |
108 |
| 2026-09-15 |
F |
3 |
4 |
255.0 MB |
108 |
| 2026-09-01 |
F |
3 |
4 |
49.3 MB |
117 |
| 2026-08-17 |
F |
4 |
4 |
48.2 MB |
118 |