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Too many plugins in WordPress? Measure what each one costs
How many WordPress plugins is too many depends on what each one loads, not on the count. Measure every plugin's cost per page, then remove, replace or restrict the heavy ones.
12 min readUpdated 27 Sept 2026
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Series: WordPress speed, plugin by plugin
Five guides that take a slow WordPress site to good Core Web Vitals, in order.
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385 guides, page 1 of 33.
- Security17 min read
"This Connection Is Not Private" in Safari: the fix on iPhone, iPad and Mac
"This Connection Is Not Private" is Safari's warning when a site's certificate fails a check: expired, issued for another name, or from an issuer your device does not trust. Here is the fix on iPhone, iPad and Mac, then how a site owner finds which problem it is.Updated 13 Nov 2026 - Security16 min read
PR_END_OF_FILE_ERROR: what it means and how to fix it
PR_END_OF_FILE_ERROR is Firefox's message when the other end closed the connection before the secure handshake finished. Here is the visitor fix in order of likelihood, then how a site owner proves whose side drops it.Updated 12 Nov 2026 - Security13 min read
SSL_ERROR_RX_RECORD_TOO_LONG: why Firefox says it and how to fix it
SSL_ERROR_RX_RECORD_TOO_LONG is Firefox's error when a server answers an HTTPS request in plain HTTP. Here is the visitor fix, the bytes that make Firefox say "record too long", one curl test that proves it, and the fix for nginx, Apache, app servers and Cloudflare.Updated 11 Nov 2026 - Security16 min read
ERR_SSL_VERSION_OR_CIPHER_MISMATCH: what it means and how to fix it
ERR_SSL_VERSION_OR_CIPHER_MISMATCH means the browser and the server share no TLS version or no cipher, so the handshake stops before any page loads. Here is the visitor fix, then how to tell the two server causes apart and fix each.Updated 10 Nov 2026 - Security20 min read
SSL errors, browser by browser: what each message means and how to fix it
Every SSL error in Chrome, Firefox, Safari and Edge mapped to the server state behind it, with the fix for visitors and for site owners, and a lab where we caused each one on purpose.Updated 9 Nov 2026 - SEO17 min read
AI brand mentions: how to find and fix what AI says about you
How to check what ChatGPT, Claude, Perplexity and Google AI Mode say about your brand, sort each mention, and correct wrong facts where they come from.Updated 8 Nov 2026 - SEO17 min read
AI Overview tracking: how to see where Google shows your pages
Every way to track whether your pages appear in Google AI Overviews and AI Mode: what Search Console, rank trackers, analytics and logs show, and what each one misses.Updated 7 Nov 2026 - SEO17 min read
LLM visibility: see which pages AI answers use, from your own data
LLM visibility, page by page: which of your pages ChatGPT, Claude and Perplexity read, fetch for live answers, cite and send visitors to, measured from your server log and analytics.Updated 6 Nov 2026 - SEO17 min read
LLM SEO: the two ways language models use your site
A language model can know your site from its training data or read it live when someone asks. Which bots feed each route, how fast changes show, and what to do.Updated 5 Nov 2026 - SEO17 min read
ChatGPT SEO: what it is good at and what to test
ChatGPT is a fast drafting partner for SEO and an unreliable source of SEO data. Which tasks to hand it, which outputs fail most often, and how to test each one before it ships.Updated 4 Nov 2026 - SEO17 min read
AI SEO tools: what each kind can and cannot see
Six kinds of software sell themselves as AI SEO tools. What each kind measures, where its data comes from, what it cannot see, and which free option does the same job.Updated 3 Nov 2026 - SEO24 min read
Google AI Mode: what it is and how your site gets into it
What Google AI Mode is, where it works and how to avoid it, then the site-owner side: how it picks sources, the controls that work and how to measure it.Updated 2 Nov 2026
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