Daniel Pertu - DEV Community

Daniel Pertu

Nov 5

Sixty-three of our pages are one 208-line component, and seven of the eight routes behind them are one-liners

#nextjs #react #seo #webdev

6 min read

Daniel Pertu

Nov 5

72,683 lines of TypeScript with one any in them, and two compiler flags that would add 455 errors

#typescript #nextjs #codequality #javascript

6 min read

Daniel Pertu

Nov 5

Zod does two opposite jobs in our app, and the call shape tells you which one

#typescript #zod #nextjs #ai

6 min read

Daniel Pertu

Nov 5

A mistyped URL on our site gets the login page instead of our 404, and one capital letter changes which

#nextjs #webdev #seo #security

6 min read

Daniel Pertu

Nov 5

Every page on our site is two clicks from home, and 21 of them only because of the footer

#seo #nextjs #python #webdev

6 min read

Daniel Pertu

Nov 5

Next 16 prints no bundle sizes, so I measured ours three ways and found 198 KB of analytics

#nextjs #webperf #javascript #performance

6 min read

Daniel Pertu

Nov 5

Our WebSocket server is also a three-route HTTP server, and the only open route is the one that counts the phones in the room

#node #webdev #devops #architecture

6 min read

Daniel Pertu

Nov 5

Our developer-only page is a prerendered 404 served from the edge cache, and the only part of it that shipped is its name

#nextjs #react #performance #webdev

5 min read

Daniel Pertu

Nov 5

One page on our site types 2026 sixty-nine times, and the plan for January is a new URL rather than an edit

#seo #nextjs #webdev #typescript

5 min read

Daniel Pertu

Nov 5

There is not one pixel size on our big screen: 128 container-query values, and the same component is a card on our homepage

#css #react #frontend #webdev

5 min read

Daniel Pertu

Nov 5

Our break-even number is a loop over sixty integers, because the line it sits on has a kink in it

#typescript #react #testing #webdev

6 min read

Daniel Pertu

Nov 5

Our app opens two Postgres pools, and exactly one method crosses from the first to the second

#postgres #nextjs #serverless #webdev

5 min read

Daniel Pertu

Nov 5

34 of our 38 sitemap dates are wrong, and every one of them was right when it was typed

#seo #nextjs #webdev #git

5 min read

Daniel Pertu

Nov 5

Our 35 cached pages entered the edge over eight hours, one visitor at a time, and 16 of them in the same minute

#nextjs #performance #webdev #http

4 min read

Daniel Pertu

Nov 5

I checked all 40 outbound links on our site, and the dead one is inside our privacy policy

#webdev #seo #nextjs #testing

5 min read

Daniel Pertu

Nov 5

1,097 files in our app's data folder are mode 0600 and 19 are 0644, and the 19 are the ones with secrets in them

#electron #node #security #macos

5 min read

Daniel Pertu

Nov 5

Our Mac app's code signature says its name is Electron, and its launcher is byte for byte the one in node_modules

#electron #macos #security #devops

5 min read

Daniel Pertu

Nov 5

Our Mac app ships 32 Info.plist keys, 21 of them untouched Electron, and four of those ask for a camera

#electron #macos #node #devops

5 min read

Daniel Pertu

Nov 5

One page on our site holds 461 of its 516 URLs, 154 KB of HTML, and its biggest section is the condition we shipped last

#seo #nextjs #webdev #architecture

5 min read

Daniel Pertu

Nov 5

Three promises hold our splash screen, a font error counts as loaded, and the session is deliberately not one of them

#reactnative #expo #typescript #architecture

6 min read

Daniel Pertu

Nov 5

Our menu reader may never say a dish is good, and the photo it reads is handed over in a module variable

#reactnative #expo #typescript #ux

6 min read

Daniel Pertu

Nov 5

Our Android app is also a 1,176 byte HTML file, and exactly one file in the repo is web only

#reactnative #expo #webdev #a11y

5 min read

Daniel Pertu

Nov 5

Six files in our Next app assert they are static, 41 declare they are not, and 14 of the 41 have no GET to make static

#nextjs #webdev #performance #typescript

5 min read

Daniel Pertu

Nov 5

512 of our 516 pages carry a breadcrumb trail, and not one of them names the page you are on

#nextjs #seo #webdev #a11y

5 min read

Daniel Pertu

Nov 5

Forty-six research dossiers, 702,000 words, 3,750 source URLs, and three that shipped as articles instead of products

#webdev #documentation #writing #productivity

5 min read

Daniel Pertu

Nov 5

We pin the nine dependencies nobody can see and let the forty-two in the browser float

#javascript #webdev #nextjs #node

5 min read

Daniel Pertu

Nov 5

Six of our URL families return a real 404 and the seventh returns 200, because it reads the session

#nextjs #webdev #seo #react

4 min read

Daniel Pertu

Nov 5

React 19.2, zero useOptimistic, and five Suspense boundaries on our homepage that nobody wrote

#react #nextjs #webdev #typescript

4 min read

Daniel Pertu

Nov 5

Zero ts-ignore comments and 111 as-unknown-as casts, and 64 of them are one missing type

#typescript #webdev #testing #react

4 min read

Daniel Pertu

Nov 5

Thirty-five eslint-disable comments, and no ESLint anywhere in the repository

#typescript #react #webdev #nextjs

4 min read

Daniel Pertu

Nov 4

All 25 of our tables have row level security on and not one policy, and that is the finished design

#postgres #supabase #security #webdev

1

4 min read

Daniel Pertu

Nov 4

A notice to every account goes out 100 at a time, and the browser is what keeps the loop going

#webdev #nextjs #typescript #postgres

6 min read

Daniel Pertu

Nov 4

With JavaScript off our site still reads and the FAQ still opens, and sign-up is where it stops

#webdev #nextjs #html #a11y

5 min read

Daniel Pertu

Nov 4

72,683 lines of app code and no console.log, and 42 of our 65 error lines end in the same word

#typescript #nextjs #webdev #devops

5 min read

Daniel Pertu

Nov 4

Every lock in our app is one line of SQL, and a 32-bit hash is why two accounts can share one

#postgres #typescript #database #webdev

5 min read

Daniel Pertu

Nov 4

74 of our 76 public pages come from the cache, and one import decides the other two

#nextjs #performance #webdev #caching

5 min read

Daniel Pertu

Nov 4

Our marketing site writes nothing to seven storage surfaces, and reads one key that is never there

#webdev #privacy #nextjs #browser

4 min read

Daniel Pertu

Nov 4

Our copy is British, our code is American, and the border runs exactly along the identifier

#webdev #css #typescript #writing

4 min read

Daniel Pertu

Nov 4

I opened DevTools on all 72 of our pages and the console said one thing, 72 times

#webdev #chrome #debugging #a11y

5 min read

Daniel Pertu

Nov 4

The back button costs nothing on 70 of our pages and a server render on the two that take money

#webdev #performance #nextjs #chrome

1

4 min read

Daniel Pertu

Nov 4

Twenty-two of the thirty-six tap targets on our mobile homepage are 20 pixels tall, and the page passes WCAG anyway

#a11y #webdev #css

4 min read

Daniel Pertu

Nov 4

I told readers to date a Vercel deploy by reading two headers, and both of them moved without a deploy

#nextjs #webdev #performance #http

5 min read

Daniel Pertu

Nov 4

Our desktop app reaches our own server from six places, and only two of them can report a failure

#node #electron #typescript #architecture

6 min read

Daniel Pertu

Nov 4

Three of our 38 pages tell every cache not to store them, and all three are the ones with a price on

#nextjs #webperf #caching #seo

1

2

6 min read

Daniel Pertu

Nov 4

27,231 words of comments in our repo, and "rather than" appears 107 times to "because" 66

#typescript #codequality #node #documentation

6 min read

Daniel Pertu

Nov 4

Our privacy policy lists eight things kept on your device, and the file with your logins in it is not one of them

#privacy #electron #node #typescript

7 min read

Daniel Pertu

Nov 4

Thirteen of the sixteen types in our Electron UI are second copies, and one field in them exists nowhere else

#typescript #electron #architecture #react

6 min read

Daniel Pertu

Nov 4

Our installer names 454 of the 528 MB in node_modules to leave out, and 7.4 MB of React still gets in

#electron #node #javascript #typescript

6 min read

Daniel Pertu

Nov 4

Two version numbers in one TypeScript file decide what our legal pages say about themselves, who sees a notice, and which two URLs get resubmitted

#webdev #nextjs #privacy #typescript

1

6 min read

Daniel Pertu

Nov 4

88 label words on one page, three group counts that are counted rather than typed, and four slugs that would have asked a question of themselves

#seo #webdev #nextjs #contentstrategy

1

5 min read

Daniel Pertu

Nov 4

Our longest search snippet is 148 characters of a 160 character budget, and the 12 that are left over are why the answer is written twice

#seo #nextjs #testing #typescript

5 min read

Daniel Pertu

Nov 4

Our URLs are the questions, 417 of them starting with is- and 44 with does-, and the guard list naming the paths they must never take is missing five

#nextjs #seo #typescript #webdev

5 min read

Daniel Pertu

Nov 4

Not one sentence on 461 of our pages was typed by a person, and the day a filler ingredient started answering the questions

#typescript #nextjs #testing #webdev

5 min read

Daniel Pertu

Nov 4

One function answers the question on the phone and on 461 static pages, and the package it lives in has no build step

#typescript #monorepo #nextjs #expo

5 min read

Daniel Pertu

Nov 4

We draw our own Trustpilot stars in 60 lines, and the score next to them is a constant with a date on it

#webdev #a11y #react #seo

5 min read

Daniel Pertu

Nov 4

Twelve pages in one commit, and four of the new ones are linked from nowhere but each other

#seo #nextjs #typescript #webdev

5 min read

Daniel Pertu

Nov 4

One string in localStorage decides where signup drops you, and the first page of the visit is the one that writes it

#nextjs #react #webdev #typescript

6 min read

Daniel Pertu

Nov 4

Our "tell us what you'd pay" form sends nothing to the client, and the price in the answer is resolved on the server

#analytics #nextjs #typescript #webdev

6 min read

Daniel Pertu

Nov 4

Nine countries pay more for our product, and the entire uplift is one constant worth £2.50

#pricing #typescript #webdev #testing

6 min read

Daniel Pertu

Nov 4

Our India prices are a third of standard, so checkout authorises the card first and decides second

#stripe #payments #nextjs #webdev

2

7 min read

1 Week Community Wellness Streak

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