herb miller

WordPress plugin specialist

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Performance

Slog-bloat – server performance testing

An update on my long running task to visualise the effect on server performance of changes to my WordPress websites.

Since 2015 I’ve been developing a routine to compare the effect on server response times of the top 12 WordPress plugins. I’m just about ready to publish some results.

[Read more…]

Categories: Performance, WordPress

Published: February 9, 2021 | Last updated: February 9, 2021

Image size reduction by quality

45% - 30KB

Google’s PageSpeed Insights tells me I can improve the performance of my website’s loading by taking the opportunity to Properly size images. For the home page on oik-plugins.com it reckons it can save 1.2 seconds on mobile, and 0.16 seconds on desktop, were I to serve images that are appropriately-sized to save cellular data and improve load time.

For the oik-types banner image ( which it sees at 74.5KiB ) it suggests there’s a potential saving of 48.8 KiB. ie. It could be reduced to 25.7 KiB.

We’ve tried a range of qualities using Photoshop and GIMP. According to the chart below, using GIMP, I can achieve the image file size reduction by saving the image with a quality of 55%. But it looks like I could get away with 45%.

On oik-plugins.co.uk, where I’d already reduced the image to 70% quality (30 KiB), it reckons I can still save 22.7 KiB on Mobile. I assume that’s if I serve a file that’s already no wider than the user’s device.

It also suggests, Serve images in next-gen formats.

[Read more…]

Categories: PerformanceTags: images

Published: February 5, 2021 | Last updated: February 6, 2021

WordPress 301 – how to unredirect spammers?

Loads of spurious requests to my content are using up valuable server time. So how am I supposed to deal with them? [Read more…]

Categories: PDIW, Performance, WordPressTags: 301 redirect, unredirect

Published: January 9, 2016 | Last updated: January 9, 2016

H2GD Part 51: PHP 7 development environment

Having spent some time taking performance measurements with PHP 5 I’ve decided to try PHP 7 and run the suite of tests all over again. [Read more…]

Categories: H2GD, Performance, WordPressTags: PHP7

Published: January 2, 2016 | Last updated: June 17, 2016

Error 509 Bandwidth limit exceeded due to Hotlinking

A couple of days ago I received a message from my hosting company saying my bandwidth usage was 80%. Yesterday I received the Error 509 Bandwidth limit exceeded message. I increased my allowance then tried to track down the cause of the problem. It turned out that a site had been hotlinking one of my images… stealing bandwidth.

You know who you are. Don’t do it!

[Read more…]

Categories: Performance, WordPressTags: Bandwidth theft, Bandwith limit exceeded, Error 509

Published: August 27, 2015 | Last updated: August 27, 2015

H2GD Part 43: Performance comparison – SiteGround, WP Engine and Tentahost

Analysing the performance of your website(s) can take an inordinate amount of time. It often involves many distractions. But at the end of the day, you have to come to some conclusions, which may involve taking some actions.

I’m not quite at the conclusion stage yet. But I do have some preliminary results on my comparison of different hosting solutions; Tentahost (original choice) versus WP Engine and SiteGround.

[Read more…]

Categories: H2GD, Performance, WordPressTags: SiteGround, Tentahost, WP Engine

Published: March 20, 2015 | Last updated: May 1, 2016

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Recent Posts

  • Slog-bloat – server performance testing
  • WebP for my iPad
  • Image size reduction by quality
  • Localization of Full Site Editing themes
  • Fizzie – an experimental Full Site Editing theme

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WordPress 5.6.1. PHP: 7.3.27

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Tide times from tidetimes.co.uk

Tide Times & Heights for Northney onMonday, 01 March 2021
High Tide:00:52 ( 5.00m )
Low Tide:06:06 ( 0.10m )
High Tide:13:03 ( 5.00m )
Low Tide:18:28 ( -0.10m )

Tide times from tidetimes.org.uk

Tide Times & Heights for Northney on 1st March 2021
00:52 - High Tide ( 5.00m )
06:06 - Low Tide ( 0.07m )
13:03 - High Tide ( 4.98m )
18:28 - Low Tide ( -0.12m )

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