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Release of new SDMx web service guidelines
Following a request from members of the SDMx community, the SDMx Technical Working Group has prepared an updated version of the SDMx web service guidelines that now offers guidelines on how to address typical security requirements.
These guidelines can be found on the updated version can be downloaded SDMx “Standards” page.
Comments can be sent to the SDMx Secretariat ([email protected]) and are welcome by 1st February 2013. The final version – edited and approved by SDMx – will also be posted on the sdmx.org website.
Last updated on:
16 November 2021
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# Release of new SDMx web service guidelines Following a request from members of the SDMx community, the SDMx Technical Working Group has prepared an updated version of the SDMx web service guidelines that now offers guidelines on how to address typical security requirements. These guidelines can be found on the updated version can be downloaded **[SDMx “Standards” page](https://sdmx.org/?page_id=5008)**. Comments can be sent to the SDMx Secretariat (**[[email protected]](mailto:[email protected])**) and are welcome by 1st February 2013. The final version – edited and approved by SDMx – will also be posted on the sdmx.org website.
Thin: Too few words of their own are in the HTML for a page of their kind. Render the rest on the server.
The figures
100 pages, set against the 167,893 sites with figures.
- Readablehigher is better
- 66%66 of 100 pages
- All 167,893 sitesBetter than 20%
Pages whose own text is in the HTML the server sends, enough of it for their kind.
- Cleanhigher is better
- 74%middle page
- All 167,893 sitesBetter than 54%
Of the words before script, the share that are the page and not menus, footer and forms. 2 pages are not measured, with no <main> or no words.
- Costshown, never scored
- 67,120tokens
- About 671 a page
To read every page once. A long page that answers well is not worse for it. Tokens are estimated at about 4 characters each.
How its pages spread on Clean
98 pages measured. Not measured: 2 with no <main> or no words.
Against its rivals
The sites nearest it by what they do, with figures. Close means similar work, not better.
No site near it by what it does has figures yet.
AI crawler access
What robots.txt says to each, as read on October 23, 2026. 8 of 8 may read the site.
| Crawler | robots.txt says | Used for | The line that decides |
|---|---|---|---|
| GPTBotOpenAI | Not named | Training models | Falls to User-agent: * |
| OAI-SearchBotOpenAI | Not named | ChatGPT search | Falls to User-agent: * |
| ChatGPT-UserOpenAI | Not named | A page a person asks about | Falls to User-agent: * |
| ClaudeBotAnthropic | Not named | Training models | Falls to User-agent: * |
| Claude-SearchBotAnthropic | Not named | Claude’s search | Falls to User-agent: * |
| PerplexityBotPerplexity | Not named | Perplexity search | Falls to User-agent: * |
| Google-ExtendedGoogle | Not named | Training Gemini | Falls to User-agent: * |
| bingbotMicrosoft | Not named | Bing and Copilot | Falls to User-agent: * |
Every AI crawler mttr checks may read it. Not named means the rules for every crawler apply.
Every page
Worst first. Each opens in Agent View at the top.
36 pages of 100 lose something. Pick a loss to see what to do about it.Open the action plan
Show where it stands
A card, a badge and a line, each with the figures.

A badge for the site
<a href="https://mttr.si/agent-view/sdmx.org"><img src="https://mttr.si/agent-view/sdmx.org/badge.svg" alt="Agent View: 66% readable, 74% clean" height="20"></a>
The figures in one line
sdmx.org in Agent View: 66% of pages readable, better than 20% of sites; 74% clean; 67,120 tokens to read all 100 pages. mttr.si/agent-view/sdmx.org
What to do next
Fix the pages, let an agent do it, and read the site again to see the figures move.
Fix what agents miss
- Render the rest of 33 pages on the serverReadable
- Wrap 2 pages in <main>Clean measured
- Give 1 page text of their ownReadable
Connect your agent
Claude Code, Codex or Cursor reads the site’s fixes over MCP, fixes a page in your code, has mttr read it again, and checks the fix landed.
https://mttr.si/mcpSet up an agent
Claim the site
Prove it is yours with a DNS record or a file. Your agent can then reach its reads and jobs, and set each change to wait for your approval.
Claim the siteDrawn from the HTML mttr fetched on its read of October 23, 2026, not a screenshot, and only from the 100 pages read, where the read stopped at its page limit. An assistant’s own reader may differ. Tokens are estimated at about 4 characters each. A site an agent reads well is not a site an assistant cites.