Error Notifier for Slack Review: A Speed Score That Holds Up

Error Notifier for Slack is a WordPress plugin. Get real-time Slack notifications for WordPress critical errors to fix site issues instantly. Our 3-context benchmark shows it has a small but measurable impact (+10ms TTFB on activation).

A-

Measured Speed Score

How is this scored?

Our Benchmark Methodology

Every speed score on MakeWPFast is based on real performance measurements, not estimates. We install each plugin on a clean WordPress 6.9 setup (PHP 8.3, MariaDB, GeneratePress theme) and measure two key metrics:

PHP Memory Usage — how much additional memory the plugin consumes per request. Each doubling of memory overhead costs 10 points. High memory usage can cause crashes on shared hosting and limits how many plugins you can safely run together.

Database Queries — how many extra SQL queries the plugin runs per page load. Each 10x increase in query overhead costs 25 points. More queries mean more database work, slower pages, and harder scaling.

The score uses a logarithmic scale — the first few extra queries or megabytes matter more than going from 100 to 110 queries. This reflects real-world impact: the jump from 4 to 14 queries is far more noticeable than 100 to 110.

Grade	Score	What it means
A	90–100	Negligible impact. Safe to install on any hosting.
A-	80–89	Very light impact. Minimal overhead on any setup.
B+ / B / B-	65–79	Light impact. Adds some overhead but manageable on most setups.
C+ / C / C-	50–64	Moderate impact. May noticeably slow down budget hosting.
D+ / D	35–49	Heavy impact. Will affect page load times. Consider alternatives.
F	0–34	Severe impact. Significant resource usage that hurts performance.

Plugins marked "Not Yet Tested" have not been benchmarked yet. We do not estimate or guess scores — if there is no measured data, there is no grade.

Note: Benchmarks measure a plugin in isolation on a clean install. Real-world impact varies based on your hosting, other plugins, and how the plugin is configured.

Context	TTFB	Memory	Queries
⚡Activation	+10 ms	+0 MB	+2
🏠Homepage	+9 ms	+0 MB	+2
⚙️WP Admin	+-3 ms	+0 MB	+2

Low impact

Plugin Overview

Active Installs10

Tested Up ToWP 6.9.4

Requires PHP7.0+

Last UpdatedFeb 25, 2026

Downloads870

AuthorDhrumil Kumbhani

WP.orgView on WordPress.org

Share This Badge

Add this performance badge to your site or README:

<a href="https://makewpfast.com/plugins/error-notifier/"><img src="https://makewpfast.com/wp-json/mwf-pseo/v1/badge/error-notifier" alt="Error Notifier for Slack Speed Score - MakeWPFast" /></a>

Preview:

Error Notifier for Slack Speed Score - MakeWPFast

Performance Analysis

Performance Impact

Error Notifier for Slack receives an estimated speed score of . Our real benchmark tests measured the following impact when activating this plugin:

TTFB impact: +10 ms
Memory impact: +0.0 MB
Additional DB queries: +2

Overall activation impact: low. This plugin adds minimal overhead to your WordPress site.

Maintenance Status

Last updated: 2026-02-25. Requires PHP 7.0+. Trusted by 10 active installations.

Benchmark data measured in an isolated Docker environment (WordPress 6.8, PHP 8.3, GeneratePress). See our full methodology.

⚡

Find slow plugins on your own site

WP Multitool scans your WordPress site for slow queries, memory hogs, and performance bottlenecks - in one click.

Try WP Multitool →

🔍

Want a real human to dig into your specific site?

I offer a WordPress performance audit - slow queries, plugin overhead, autoload bloat. Written report, prioritized fix list. $299 flat, 48h turnaround.

See details →

Alternatives to Error Notifier for Slack

Plugin	Speed Score	Active Installs
MonsterInsights	B+	2M+
GTM4WP	A-	700K+
Header Footer Code Manager	A-	600K+

Frequently Asked Questions

Is Error Notifier for Slack safe to keep activated on production sites?

Based on our 2026 benchmark, yes. Error Notifier for Slack measured a TTFB delta of +10ms on activation, which earned it a speed score of A-. That's well within the range we'd recommend for production WordPress sites.

What makes Error Notifier for Slack faster than similar plugins?

We measured Error Notifier for Slack in three contexts (activation, homepage load, wp-admin) and it consistently stayed under our overhead thresholds. The composite score of A- reflects all three — not a single cherry-picked number.

Does Error Notifier for Slack slow down WordPress?

Error Notifier for Slack has an estimated speed score of . It may noticeably affect your site speed. Consider alternatives if performance is critical.

Is Error Notifier for Slack still maintained?

Error Notifier for Slack was last updated on 2026-02-25. It has 10 active installations, indicating it is a functional plugin with a dedicated user base.

What are the best alternatives to Error Notifier for Slack?

Check our plugin reviews in the Analytics category for alternatives. We compare plugins side-by-side on speed, features, and user ratings to help you find the best fit.