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RAaz Kumar .com

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Rules to get 100/100 in Google pagespeed web core vitalsscore

Rules:
20+
Reduce js execution Time by removing unnecessary.
inline critical css & load remaining css in footer
Test your server efficiency from different locations to reduce TTFB root cause of all issues.
detailed article reduce TTFB / server response time (you should be server,sys,db,app admin)
Images : biggest resources size images, then js, html, then css.
Mobile Desktop
Audit Weight Green Yellow Red Green Yellow Red
First Contentful Paint 15% 0–2s 2–4 4+sec 390 ms 390-1590
Speed Index 15% 0–4.3 4.4–5.8 Over 5.8 720 ms
Largest Contentful Paint 25% 2.5 2.5-4sec Over 4sec 620 ms
Time to Interactive 15% 0–3.8 3.9–7.3 Over 7.3 869 ms
Total Blocking Time 25% 0–300 300-600 Over 600 60ms
Cumulative Layout Shift 5% 0.1 0.25 0.25+ 0.03

 

Google pagespeed insights score Red To Green

  • 0 to 49 (red): Poor
  • 50 to 89 (orange): Needs Improvement
  • 90 to 100 (green): Good

Speed index Score

comparison of your page’s speed index and the speed indices of real websites, based on data from the HTTP Archive.
how quickly contents of a page visibility populated.
3.2sec green
4.2 need improve
4.2+ need to fix
Minimize main thread work
Reduce JavaScript execution time

largest contentful paint LCP

LCP Google pagespeed insights
largest image or text painted time.
green 2.4secs passes  contributes 25% in 100%psi score.
2.4- 4 secs then need to improve
4 second s + delay indicates as red errors. Need to fix.
If FCP passed green then LCP do.
PageSpeed Insights - 100 score mobile

time to interactive TTI

amount of time it’s taken to a page to fully interactive.
Dom Loaded vs fully loaded.
page loads in 1 sec, but adsense loads in 6-9 secs

Total blocking time

Unnecessary JavaScript loading, parsing, or execution
sum of all the time from
FCP to TTI=
when task length exceeded 50ms
more than 50ms script execution treated as long task, counted each from FCP to TTI
1.6sec is good score. but it’s often cross the 4-5 seconds due to js download, parse and excute
ex: Google Adsense (it improves by reducing ads)
1600ms or 1.6sec

cumulative layout shift CLS

 

CLS is filed data not lab or realtime

Cumulative Layout Shift (CLS) - web.dev

measures movement of visible elements within viewport
in desktop wordpress sidebar has to populate, but in mobile no need.
The score percentage is 15% in lighthouse.
Ideal 0.1sec to 0.25 (100ms-250ms)
CLS score in sec 0.1 to 0.25 to 0.25+
most of the uses almost 80%-90% visiting from mobile then we keep it in less priority.
Disabling sidebar not a good idea, also fixing cause of slow sidebar population code level practices & performance level.
Avoid large layout shifts

Impact of 3rd party code

blocked main thread for
1180 ms
Core web vitals
FCP
LCP Loading
2.5
2.5-4 sec
4+sec

FID (fist input delay) interactivity

100ms
100-300 ms
300+ ms
This is a field data, (past 28 days report from Google search console, chrome, psi etc)
Lab data is instant test results,
By improving
total blocking time and time to interactive improves FDI.
First input delay user interaction after page load, search or touch the page.

1st Step How to Improve FCP & LCP

 

Slow server response times / TTFB
Render-blocking JavaScript and CSS

Critical Rendering Path

First content full paint FCP vs TTFB

TTFB= DNS Lookup , TCP handshake + SSL +first byte(background server+php+mysql)
first image or text pointed time
FMP: First Meaningful Paint.
Read More on How to Reduce TTFB / Server Response time (Server access needed)
green
yellow
red

 

LCP Largest Contentful Paint

lcp-instagram-filmstrip
lcp-google-filmstrip better
FCP & LCP not captures the load responsiveness
(how quickly a page responds to user action)
total blocking time TBT helps to fix FID & TTI
poor FID is heavy JavaScript execution.
browser cannot respond to most user input while it’s executing JavaScript on the main thread
75% of page loads at green for past 28 days.
tools collected
search console
PSI
chrome user experience report
don’t load those below-the-fold ads until they’re scrolled closer to the viewport
Defer js
parse, compile, and execute that JavaScript
<script defer src=”…”></script>
<script async src=”…”></script>

Pagespeed Insights Lab Data

PageSpeed Insights - Lab Data
Lab Data shows specific data for a simulated page load:
Field Data uses actual loading speeds collected over time.
Minimize main thread work
Reduce javascript execution time
reduce ttfb passed audits
lighthouse scoring for mobile

Preconnect to Required Origins

header.php or add header
preload files headers.php

Main-Thread Work

more than 50ms considered bas long task or main thread.
Old Rules without lighthouse V6
Gzip
browser caching
eliminate render blocking resources
Otimize css delivery
Reduce server response time TTFB
With light house New Rules
FCP first meaningful paint
LCP last meaningful Paint
TBT total blocking time
TTI Total time to interactive
FID first input delay (TTI,TBT)
also read improving score in gtmetrix.
speedup wordpress

PRPL pattern

Push  Preload preconnect pre browsing hints
Eliminate render blocking
Pre-cache  Service worker
Lazy load other routes and non-critical assets. Images,s in footer

Related topics:

  1. Lazy Load Adsense to improve core web vitals – Vs revenue
  2. what is TTFB & how to Reduce it (server response time) Google pagespeed
  3. wordpress speed optimization Speed up wordpress Score on Google pagespeed
  4. google cloud compute engine pricing per CPU core, 1GB RAM, 1GB SSD &1Gb bandwidth costs location comparison
  5. Google page layout Algorithm

wordpress tutorials for beginners advanced complete guide to run WordPress

  • Install xamp & wordpress on localhost windows
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  • Wordpress database optimization (don't neglect) plugins & phpmyadmin manually
  • Optimize css delivery inline critical css, remove unused css, render blocking css
  • Converting WordPress into static website speed after 1 second dynamic 3 seconds
  • Wordpress errors and fix
  • Rules to get 100/100 in Google pagespeed web core vitalsscore
  • How to add adsense amp ads to wordpress
  • favicon ico Change / Add / Disable favicon in wordpress Ft Genesis Theme or any theme
  • increase wordpress memory limit (how to ) 40MB , 64 MB 128 MB or 512 MB maybe 1024MB
  • wp cron job check working or not disable enable change schedule
  • google analytics plugins for wordpress #sitekit #monsterinsights gadwp back as gainwp
  • Lazy Load Adsense to improve core web vitals - Vs revenue
  • xmlrpc php wordpress uses, disable without 403 error log message
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  • Wordpress duplicate thin content Issues {FIXED}
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  • Reduce the impact of third-party code ,optimize JS delivery, Minify, remove unused js, pre connect, inline, lazy load etc
  • change wordpress site url
  • install wordpress on ubuntu apache nginx debian command line
  • Wordpress Security Plugins 2021 (Brute force, Login lockdown, Malware scanner etc)
  • website cache best caching plugins wordpress w3tc cloudflare

 

 

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