Fix 520 errors on the server

A modern website is needed that will look good on both computers and phones. Requirements: attractive design; adaptation for all devices; user-friendly structure; form for collecting applications; fast website loading. I will provide texts, photos, and logo. In your proposal, please indicate the cost, completion time, and examples of your work.

There is a ready web tool for the sewing industry — the interface is made, part of the logic is there, but real integrations are not connected. It needs to be brought to a working state. Demo: https://prognoz.rich2222shop.site/Goal The system must accurately show how many and what positions (size/color) need to be cut, see the total remaining (stock + in cutting + returns), and reduce re-sewing by accounting for the statistics of refusals.Tasks Integration with LP CRM — connect via API (key/subdomain fields are already available), pull in stock, orders, returns. Bypass CORS through a proxy on Render.com. Cutting calculation logic — finalize the formula Plan − Stock CRM − In cutting + Returns to work with real data, calculate based on the size×color matrix. Accounting for refusals in the forecast — the % of refusals by size/color should reduce the cutting plan for that position, not just be displayed. Unified total stock — consolidate stock + in cutting + returns into one table. Workshops and cutting history — distribution by workshops, acceptance of returns, history of transfers. Bug fixes — some buttons are currently placeholders, they need to be brought to a working appearance.Stack HTML/JS single-page, localStorage, integration with LP CRM API, proxy on Render.com.Requirements Experience integrating CRM via REST API (plus — experience with retailCRM/LP CRM) Experience with proxy/CORS Understanding of warehouse/manufacturing logic Willingness to improve existing code without rewriting from scratchWork format Communication in writing (chat/messenger) → phased delivery (CRM → calculation logic → stock/workshops → polishing) → demo at each stage. It is important to understand the essence of the task, not just to formally execute the terms of reference — it is welcomed if you propose your own solutions or improvements where you see that it can be made more convenient or reliable.Budget / Timeline Budget: 6000 UAH (negotiable depending on the scope and phased delivery)

Hello, there is a website that needs optimization for page loading speed, where the page loads not in 1 second, but in 3 seconds. I need help with optimizing this issue. The site is WordPress WooCommerce. Here is a report and I need an assessment of the work and time for completion: https://pagespeed.web.dev/analysis/https-yuniko-us/u7tmi2y4b8?form_factor=desktop

It is necessary to implement automatic exit from the embedded TikTok browser and instant opening of an external browser or the Telegram app

Redesigning web pages https://ekoplastancl.com.ua from Canva to Webflow / WordPress / Wix Studio for placing Google Ad tags