Tracked site: https://deepl.com/.
Checked against the Web 1.0 Specification
(2026 Edition), front page
only, roughly every two weeks.
F
Fails on multiple major faults.
Latest check: 2026-09-30.
4 major, 4 minor;
31.6 MB first-party transfer,
814 requests.
Rule by rule
| Rule | Fault | Result |
|---|
| JS-01 | JavaScript |
MAJOR
- <script src="/_next/static/chunks/1reedg22cvmvr.js">
- <script src="/_next/static/chunks/19ja7z_voeruj.js">
- <script src="/_next/static/chunks/1-l2022t8o41-.js">
- <script src="/_next/static/chunks/43rhe6qihpkhn.js">
- <script src="/_next/static/chunks/1txq6io0vtmmy.js">
- and 134 more
|
| TP-01 | Third-party requests |
MAJOR
- https://images.ctfassets.net (via <link rel=preconnect>)
- https://images.ctfassets.net/pplyeawnfzc7/6Oo2loCNV0pFNu3Yn8G0h8/d0900c6309f727ef4bd8fa6df157411e/Sumitomo_Corporation.png?h=128 (via <img src>)
- https://images.ctfassets.net/pplyeawnfzc7/6Oo2loCNV0pFNu3Yn8G0h8/d0900c6309f727ef4bd8fa6df157411e/Sumitomo_Corporation.png?h=64 (via <img srcset>)
- https://images.ctfassets.net/pplyeawnfzc7/5zR1xJrluN63ryNNlqKcOs/18ea0197528ebaf19907c1a2265a30b9/Logo_Merck_KGaA_2015.svg?h=128 (via <img src>)
- https://images.ctfassets.net/pplyeawnfzc7/5zR1xJrluN63ryNNlqKcOs/18ea0197528ebaf19907c1a2265a30b9/Logo_Merck_KGaA_2015.svg?h=64 (via <img srcset>)
- and 6 more
|
| CK-01 | Cookies |
MAJOR
- Set-Cookie on https://deepl.com/
- Set-Cookie on https://www.deepl.com/_next/static/chunks/1p6lzw9p0j0e6.css
- Set-Cookie on https://www.deepl.com/_next/static/chunks/04jwz7zchvx_x.css
- Set-Cookie on https://www.deepl.com/_next/static/chunks/4118_k08rz8b2.css
- Set-Cookie on https://www.deepl.com/_next/static/chunks/2_neqrw1sezo_.css
- and 798 more
|
| WT-01 | Excessive transfer |
MAJOR
- total first-party transfer 31.57 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.deepl.com/_next/static/chunks/1p6lzw9p0j0e6.css
- @font-face in https://www.deepl.com/_next/static/chunks/1p6lzw9p0j0e6.css
- @font-face in https://www.deepl.com/_next/static/chunks/1p6lzw9p0j0e6.css
- @font-face in https://www.deepl.com/_next/static/chunks/1p6lzw9p0j0e6.css
- @font-face in https://www.deepl.com/_next/static/chunks/1p6lzw9p0j0e6.css
- and 371 more
|
| RQ-01 | Excessive requests |
1 minor
|
| FR-01 | First-party frame |
pass |
History
| Date | Grade | Majors | Minors |
Weight | Requests |
|---|
| 2026-09-30 |
F |
4 |
4 |
31.6 MB |
814 |
| 2026-09-16 |
F |
5 |
4 |
31.4 MB |
212 |
| 2026-09-02 |
F |
5 |
4 |
30.4 MB |
197 |
| 2026-09-01 |
— | could not be checked |
| 2026-08-17 |
F |
4 |
4 |
30.1 MB |
176 |