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- Older updates
- Documentation Archive
These are the documents we've recently created or significantly updated on docs.fastly.com. Recent items are shown below and older items are available. We also make available a machine-readable feed of these updates for use with RSS compatible software.
In conjunction with these updates, we capture a snapshot of the site content at that point in time, and make it available for download in our Documentation Archives.
Special Service Guide Update for May 18, 2020
As part of today's launch of Developer Hub at developer.fastly.com, the reference documentation for Fastly's Application Programming Interface has moved to its new home at https://developer.fastly.com/reference/api/. Fastly's Image Optimizer API reference has moved to our image optimization guides.
Documentation Changes for the Current Month
New docs
The following documents are new to the help desk support series as part of our regular documentation update efforts:
- Legacy Customer-Provided TLS Certificate Hosting Service
- Monitoring account activity with the audit log
Recently edited and reviewed docs
The following documentation was edited as part of a normal review cycle or as a result of updates to how the Fastly web interface and API operate:
- About the web interface controls
- Adding CNAME records
- Common 503 errors on Fastly
- Configuring caching
- Email and password changes
- Log streaming: Datadog
- Log streaming: Datadog via syslog
- Log streaming: Elasticsearch
- Log streaming: HTTPS
- Log streaming: Scalyr
- Reviewing service activity with the event log
- Serving stale content
- Summary product definitions
- TLS service options
- Using Fastly's global POP network
The following API documentation was edited as part of a normal review cycle or as a result of updates to how the Fastly API operates:
New and recently updated Japanese translations
The following Japanese (日本語) translations were recently updated to reflect changes in their English counterparts:
April 2020 Documentation Changes
Recently edited and reviewed docs
The following documentation was edited as part of a normal review cycle or as a result of updates to how the Fastly web interface and API operate:
- Common 503 errors on Fastly
- Designated Technical Specialist
- Finding and managing your account info
- Getting started with surrogate keys
- Google Cloud Engine
- Google Cloud Storage
- Log streaming: New Relic Logs
- Log streaming: Splunk
- Outbound data transfer from Azure
- Performance Optimization Package
- Request collapsing
- Support description and SLA
- TLS service options
- Working with services
The following API documentation was edited as part of a normal review cycle or as a result of updates to how the Fastly API operates:
- Backend
- Billing Address
- Cache Settings
- Condition
- Dictionary
- Dictionary Info
- Dictionary Item
- Director
- Docs
- HTTPS
- Kafka
- Pool
- TLS Domains
New and recently updated VCL docs
The following documents are new to the VCL documentation:
- fastly.ff.visits_this_pop_this_service
- fastly.ff.visits_this_service
- std.replace_prefix()
- std.replace_suffix()
- std.replace()
- std.replaceall()
The following documents were edited by request, as part of the normal doc review cycle, or as a result of updates to how Fastly's Varnish operates:
New and recently updated Japanese translations
The following Japanese (日本語) translations were recently updated to reflect changes in their English counterparts:
March 2020 Documentation Changes
New docs
The following documents are new to the help desk support series as part of our regular documentation update efforts:
- Google Cloud Pub/Sub
- HTTPS
- Log streaming: Google Cloud Pub/Sub
- Log streaming: HTTPS
- Log streaming: New Relic Logs
- New Relic Logs
- Optimize
Recently edited and reviewed docs
The following documentation was edited as part of a normal review cycle or as a result of updates to how the Fastly web interface and API operate:
- Common 503 errors
- Log streaming: Elasticsearch
- Setting up free TLS
- Using Fastly with apex domains
- Working with services
The following API documentation was edited as part of a normal review cycle or as a result of updates to how the Fastly API operates:
New and recently updated VCL docs
The following documents are new to the VCL documentation:
- backend.socket.congestion_algorithm
- backend.socket.cwnd
- backend.socket.tcpi_advmss
- backend.socket.tcpi_bytes_acked
- backend.socket.tcpi_bytes_received
- backend.socket.tcpi_data_segs_in
- backend.socket.tcpi_data_segs_out
- backend.socket.tcpi_delivery_rate
- backend.socket.tcpi_delta_retrans
- backend.socket.tcpi_last_data_sent
- backend.socket.tcpi_max_pacing_rate
- backend.socket.tcpi_min_rtt
- backend.socket.tcpi_notsent_bytes
- backend.socket.tcpi_pacing_rate
- backend.socket.tcpi_pmtu
- backend.socket.tcpi_rcv_mss
- backend.socket.tcpi_rcv_rtt
- backend.socket.tcpi_rcv_space
- backend.socket.tcpi_rcv_ssthresh
- backend.socket.tcpi_reordering
- backend.socket.tcpi_rtt
- backend.socket.tcpi_rttvar
- backend.socket.tcpi_segs_in
- backend.socket.tcpi_segs_out
- backend.socket.tcpi_snd_cwnd
- backend.socket.tcpi_snd_mss
- backend.socket.tcpi_snd_ssthresh
- backend.socket.tcpi_total_retrans
- client.geo.conn_type
The following documents were edited by request, as part of the normal doc review cycle, or as a result of updates to how Fastly's Varnish operates:
February 2020 Documentation Changes
Recently edited and reviewed docs
The following documentation was edited as part of a normal review cycle or as a result of updates to how the Fastly web interface and API operate:
- Delivering different content to different devices
- Log streaming: Elasticsearch
- Resource limits
- Setting up remote log streaming
- Web Application Firewall (WAF)
The following API documentation was edited as part of a normal review cycle or as a result of updates to how the Fastly API operates:
New and recently updated VCL docs
The following documents are new to the VCL documentation:
- client.geo.proxy_description
- client.geo.proxy_type
- client.socket.tcpi_advmss
- client.socket.tcpi_bytes_acked
- client.socket.tcpi_bytes_received
- client.socket.tcpi_data_segs_in
- client.socket.tcpi_data_segs_out
- client.socket.tcpi_delta_retrans
- client.socket.tcpi_last_data_sent
- client.socket.tcpi_max_pacing_rate
- client.socket.tcpi_min_rtt
- client.socket.tcpi_notsent_bytes
- client.socket.tcpi_pacing_rate
- client.socket.tcpi_pmtu
- client.socket.tcpi_rcv_mss
- client.socket.tcpi_rcv_rtt
- client.socket.tcpi_rcv_space
- client.socket.tcpi_rcv_ssthresh
- client.socket.tcpi_reordering
- client.socket.tcpi_rtt
- client.socket.tcpi_rttvar
- client.socket.tcpi_segs_in
- client.socket.tcpi_segs_out
- client.socket.tcpi_snd_mss
- client.socket.tcpi_snd_ssthresh
- client.socket.tcpi_snd_total_retrans
The following documents were edited by request, as part of the normal doc review cycle, or as a result of updates to how Fastly's Varnish operates:
- segmented.caching.autopurged
- segmented.caching.block_number
- segmented.caching.cancelled
- segmented.caching.client_req.is_open_ended
- segmented.caching.client_req.is_range
- segmented.caching.client_req.range_high
- segmented.caching.client_req.range_low
- segmented.caching.completed
- segmented.caching.error
- segmented.caching.failed
- segmented.caching.is_inner_req
- segmented.caching.is_outer_req
- segmented.caching.complete_length
- segmented.caching.rounded_req.range_high
- segmented.caching.rounded_req.range_low
- segmented.caching.total_blocks
New and recently updated Japanese translations
We've recently added Japanese (日本語) translations for the following service guides:
Older content updates are also available.