Internet feels slow? Find the bottleneck before buying an upgrade.

If practical, use the same device and task near the router or intended access point, then in the affected room. Keep the device on a firm, ventilated surface and avoid a trip hazard. Better nearby performance suggests the local wireless path deserves attention; it does not automatically mean an extender or faster plan is the answer. Walls, interference, the device and the path between mesh units can all matter.

For a wired comparison, use a supported computer/adapter and a known suitable Ethernet cable connected to an authorised router LAN port. Microsoft’s Ethernet guidance distinguishes that port from the Internet/WAN connection. Follow exact equipment labels and instructions. Do not move the incoming service lead, connect directly to unfamiliar NBN equipment or alter building cabling. Skip this test if the correct path is unclear.

Confirm the test uses the intended connection; do not assume plugging in a cable makes an app choose it. Have the responsible person help where checking that would interrupt managed or essential access. Use comparable times and activity, and restore the normal connection afterwards. NBN’s wired and wireless explanation provides context, but a slow wired test can still include adapter, cable, device, router and external limitations. If room or path differences persist, retain them for targeted help rather than reset the network.

Read the current provider plan information for your actual service: download and upload expectations, any typical busy-period information, data allowance or shaping, technology constraints and equipment requirements. Ask the provider to explain anything unclear. The Wi-Fi router’s advertised wireless rate is not the internet plan speed, and a plan headline is not a guarantee that each wireless device will achieve it.

Compare like-for-like results and ordinary use at the times that matter. Several devices slowing together at busy times is useful evidence, but shared activity, local equipment and external congestion can overlap. A particular app can also depend on a remote server or managed route. NBN notes that the home setup and factors beyond it both affect experience; do not assign the fault from one test.

If useful capacity is consistently used up and the local path and devices support the intended service, discuss a suitable plan or equipment change with the provider. Get the expected benefit, compatibility, costs and limitations explained before deciding. Extra download bandwidth will not necessarily resolve delayed responses, a weak wireless path, a slow device or one overloaded website. Do not buy a new router, extender or plan simply because a diagnostic page offers one. Keep the current working configuration until an agreed change and recovery plan exist.

Resume paused optional work, restore the usual supported connection and try the ordinary task that was slow. Check it in the room and at a representative time where it matters. For a call, use a normal agreed call or app check without exposing someone’s private conversation; for transfers, use non-sensitive content appropriate to your data allowance. Do not disrupt essential services to manufacture a test.

If several people share the connection, confirm the agreed normal activities remain usable together. Keep any remaining device, room or time-specific failure separate. One fast test while everything else is paused does not confirm the household or workplace’s actual needs are met.

If the required use is satisfactory, stop changing settings and retain a short private record. If it remains poor or returns, take the recorded conditions and comparison results to the appropriate provider, app support or IT team. Avoid repeated resets or buying hardware without a diagnosis.

For an apparent service-wide problem, contact your internet provider with affected times, plan, equipment models, ordinary tasks, comparable wired/Wi-Fi results and any known outage reference. Use its legitimate support channel; do not include passwords or configuration exports. Ask what the results establish, what remains uncertain and what test or remedy comes next.

If only one app, managed VPN or workplace network is affected, its responsible team needs the exact error and scope. If local files and applications are slow too, investigate the computer as well. For an unclear local network, devices or room coverage, our internet performance support can help investigate the part you are authorised to manage.

Agree the scope, any interruption, recovery and how normal use will be checked. Keep essential services and protection working. A useful assessment can recommend a more suitable setup or provider enquiry without promising a particular speed, zero lag or a guaranteed result from an upgrade.