Earth Notes: On Website Technicals (2021-11)Updated 2022-10-23 12:33 GMT.
By Damon Hart-Davis.
2021-11-28: Core Web Vitals: No Data
GSC is claiming 'no data' for CWVs again, but I still otherwise seem to be OK.
2021-11-27: Product with Review
The first page with database-sourced
Product information/review went in today.
2021-11-26: Event with Review
Event system now supports
Review and ratings (eg out of 5).
2021-11-25: Event Structured Data
Google seems to keep changing its mind about how it wants to see structured data for
and similar. And some of the structure is complex and ambiguous. Manually updating the tens of such items in EOU over and over is hard.
To this end I created a new script script/productHTML.sh to convert simple property text files (loosely based on those used for the LEDs page) into HTML to insert into appropriate pages. More than one per page is allowed.
This schema allows consistent compact HTML5 to be generated. All relevant pages can be updated when the script or source properties are, even exposing the dependencies automatically to
make. Unique IDs can be generated to allow these items to be referred to.
The first item transferred to the new system is in the
Wants and Offers page. It is a (repeating)
Event for Kingston Green Drinks on the last Tuesday of every month, thus non-trivial. It does not have an embedded
2021-11-07: reutils V1.1.8
computes live GB grid intensity
and tweets it. The main change is to put the computed grid intensity (gCO2/kWh) in each tweet, at the start for easy human parsing. The static image was also removed from the tweet since it was causing confusion.
Typical text now:
290gCO2/kWh National Grid CO2 intensity is average so don't run big appliances now if you can wait. http://bit.ly/3usoe #CO2 |1321
Though other work was already underway on
(eg to allow year-based fuel intensities and a clean switch between them), this set of changes was provoked by a
received before I was even out of bed on Sunday morning!
2021-11-02: Small Things
I have a new replacement for my archaic use of the
spell command! With
brew install ispell my new incantation (though US spellings only) is:
ispell -H -l < source.html | sort -u | fmt
100%usable off-grid charge (100%/1320Wh). 74%usable grid-coupled charge (74%/3670Wh).
- Total electrical storage: 4990Wh.