dsh web in restricted browsers: DSH plugin UI fallbacks

DeepSeek Harness dsh web has three implicit browser requirements: modern JavaScript, WebSocket, and local storage. When one is missing you get a page that loads but does not work, so fix the order: another modern browser, then a private window to rule out extensions, then check that the proxy forwards the upgrade. If browser access is closed off entirely, the desktop app and CLI are real alternatives.

Three implicit browser requirements for DeepSeek Harness dsh web

Bottom line: rendering is not working. The real determinants are the realtime channel and local storage, which are exactly what environments block.

1. Modern JavaScript: unsupported syntax fails the script outright, sometimes leaving half a page.
2. WebSocket: realtime updates depend on it; blocking produces a UI that is present but never refreshes.
3. Local storage: the frontend persists some state locally; private modes or strict storage policies can break it.
4. Quick rule: renders but does not respond means realtime and extensions; entirely blank means script support.

Option A: switch to a modern browser for DeepSeek Harness

Bottom line: open the same URL in another modern browser first. One minute separates browser problems from service problems.

1. Open the same address in Chrome, Edge, Firefox or Safari at a recent version.
2. Works there means the original browser is the problem; continue with the blocks section.
3. Fails in both means the browser is not the cause; move to the service and network, using the three-step check in accessing dsh web on your LAN.
4. Confirm the connection: the browser's connection panel should show an established realtime connection. If it does not, something blocked it.

Option B: reduce what DeepSeek Harness dsh web needs in restricted browsers

Bottom line: with policy-locked browsers, only three moves remain: a private window, disabling intercepting extensions, and avoiding mixed-content situations.

1. Private window: extensions do not load by default, so it isolates them in one step. If it works there, disable extensions one by one.
2. Disable privacy and script-manager extensions for this origin; ad blockers and some security suites block realtime connections.
3. Avoid mixed content: loading over plain HTTP while the page attempts secure connections gets blocked. Standardize on HTTPS (see dsh web behind a reverse proxy).
4. Certificate interception: when an enterprise gateway intercepts TLS, the device must trust the enterprise root; policy itself is not user-changeable.

Option C: fall back to the DeepSeek Harness desktop app or CLI

Bottom line: do not fight a closed browser path. DeepSeek Harness is more than a web UI, and the desktop app and CLI are fuller alternatives.

1. Desktop app: an official graphical application not subject to browser policy; closest to the web experience.
2. CLI: dsh itself is a command-line tool, with the web UI as one entry among several.
3. Remote alternative: run the service on an unrestricted device and use the restricted one as a display client.
4. Trade-off: plugin availability differs across entries; check your target plugins in DSH Plugin Hub before committing.

Four browser blocks for DeepSeek Harness dsh web and their fixes

Bottom line: extensions, policy, mixed content and old engines each have their own signature. Do not mix the tests.

Performance tuning for DeepSeek Harness dsh web

Bottom line: one goal — shrink accumulated content. Long sessions, many tabs and high zoom amplify each other on low-spec devices.

1. Slow long sessions: content volume dominates. Split sessions, start fresh, compact context; browser changes only help at the margins.
2. Many tabs: each tab is an independent instance. Keep one, and switch sessions inside the app.
3. Resolution and zoom: low resolution with high zoom increases reflow; 100% zoom is smoother on weak devices.
4. Measure first: the browser task manager shows per-tab CPU and memory; identify the bottleneck before optimizing.

DSH plugin troubleshooting in restricted browsers

Bottom line: two exclusions — another browser, then a private window — settle most cases in a minute. Only then move to the service.

1. Use the two exclusions first; they are the cheapest diagnostic available.
2. Read two devtools panels — console and network/connection — for a qualitative split: script error versus connection failure.
3. Do not forget the proxy: missing upgrade forwarding looks exactly like a browser block (see the three hard requirements).
4. Prefer switching entries in enterprise environments rather than testing policies.
5. Separate page capability from plugin capability: a working page with broken plugin features is a plugin-side issue such as permissions, dependencies or sandboxing.
6. Repair status, stated honestly: these three requirements are derived from how dsh web is built — realtime connections and local state are standard dependencies of modern web apps — not from a per-version compatibility list. Confirm supported browsers against the official repository and your own testing.

Sources: apps/cli/README.md, apps/desktop/README.zh.md, MDN · WebSocket API.