Every fetch, parse, and diff recorded for Tabstack. Filter by surface to focus the timeline; each row captures what was found, what changed, and the fields returned.
Job role metadata has been significantly updated, with many positions now detailing specific tech stacks and all roles receiving standardized seniority values. The overall list of aggregated technologies has also been revised to reflect these updates and other changes.
The follower count increased, and all previous recent post topics were removed.
The version of release v2.6.1 was updated from 'v2.6.1' to '2.6.1'.
The blog's primary topics were updated, with a new focus on 'Developer Tools and Infrastructure' and a more specific 'Product Updates & Pricing' category. The post frequency and recent post date formats were also adjusted.
No change since last scan.
Key differentiators were updated to highlight free credits and no credit card requirement, and existing privacy-related differentiators were expanded. The social proof summary and target audience descriptions were also refined.
The pricing structure now explicitly lists 'pricing_transparent' as true, and the billing period for self-serve plans has been updated to '/ month'. The Enterprise Plan now includes a list of specific features and its price is explicitly stated as 'Contact Sales'.
The hiring trend has been updated to 'flat', and the aggregate tech stack information is no longer provided. Additionally, the seniority levels for several roles have been adjusted.
All previously listed recent post topics have been removed.
The version format for the latest release was adjusted, and several older releases are no longer listed.
The primary topics were significantly revised, introducing 'Web Data Extraction' and refining existing categories, while two older topics were removed. The format for recent post dates was also updated.
The platform name has been updated from 'twitter' to 'X', and all previous recent post topics have been cleared.
Multiple new releases were added, and the last commit date was updated.
The blog's primary topics have been updated, with existing categories rephrased for more specificity, such as focusing on AI agent security and Pilo-driven browser automation. A new primary topic, 'Verified Research from Open Web', was also added.
The blog has added a new post about AI web agent security and updated its primary topic categories. The topics are now more specific, featuring "AI security" and "Pricing updates".
The 'last_update_date' field's value was updated from 'null' to '.null'.
The page now explicitly states its target audience and provides a more detailed social proof summary, including a full testimonial and mention of free credits. Key differentiator descriptions for privacy and control were shortened, and 'No credit card required' was removed from the differentiators list.
A 'per_unit' field was added to all pricing tiers to clarify per-credit pricing. The Enterprise plan's price and features list were updated to be null or empty, respectively.
Two new student worker roles were added, and one marketing specialist role was removed, increasing the total job count from 25 to 27. The most significant change is that all tech stack information, both aggregate and for individual roles, is no longer provided.
The platform name for the competitor's social media account was updated, and all recent post topics were removed.
The format of the release date in recent releases was updated, and the last commit date changed to an invalid value.
The blog's primary topics have been updated, with several existing topics rephrased and new ones introduced, alongside a minor textual change to one topic.
The 'recent_post_topics' field, which previously listed several topics, is now empty.
The date formats for recent releases and the last commit date have been updated to a more precise ISO 8601 format.
The list of primary topics has been updated, including rephrased existing topics, the removal of 'Developer tools', and the addition of 'Open Source Tooling (Pilo)'.
The list of recent post topics is now empty.
The date formats for recent releases and the last commit date have been updated to a more human-readable 'Month Day, Year' format.
The primary topics for content have been significantly updated, with new additions focusing on browser infrastructure, developer tools, and data extraction, while several previous topics like 'AI Agents' and 'Pilo Technology' were removed and others were rephrased.
The "per_unit" field has been removed from all pricing tiers. The pay-as-you-go credit cost for the "Individual" tier is now specified within its features list.
The tech stack categorization has been significantly revised, with more granular terms introduced for both the overall "aggregate_tech_stack" and individual job roles' "tech_stack_mentioned" fields. Additionally, the global "hiring_trend" changed from "null" to "flat".
The 'platform' name has been updated from 'twitter' to 'X', and all previous 'recent_post_topics' have been removed.
No change since last scan.
The primary topics have been updated, removing "Developer APIs" and "Web data extraction" and adding "Pilo Technology" and "Web Infrastructure".
The documentation navigation has been restructured with the addition of 'Pricing', 'Learn', 'Build', 'Research', and 'Reference' sections, and the removal of 'Core Concepts', 'How-to Guides', 'Integration Guides', and 'Production' sections.
Several key differentiators and the social proof summary were rephrased for conciseness, and the explicit target audience statement was removed.
Several pricing tiers had specific credit inclusion features removed and their billing period format updated. The Enterprise plan's name, price, and null values for per_unit and billing_period were revised, and the overall pricing transparency was disabled.
Three new roles were added, including 'Senior Frontend Engineer', 'Staff Operations Engineer', and 'Lead Privacy Counsel, Infrastructure & Data Governance'. Additionally, thirteen existing roles had their seniority or associated technology stacks updated.
The platform name changed from 'X (formerly Twitter)' to 'twitter', follower count updated from -1 to 49, and all previous recent post topics were removed.
The date formats for recent releases and the last commit date were changed. Additionally, the version string in recent releases no longer includes the 'v' prefix.
The list of primary topics has been updated, with several previous topics removed and new, more specific developer-focused topics added.
The 'hiring_trend' status changed from 'null' to 'flat'. Many job roles now explicitly list their associated tech stacks, and the overall aggregate tech stack has been expanded and refined. The 'seniority' labels for multiple roles were also updated.
The platform name was updated to include its former branding, and the list of recent post topics was cleared.
No change since last scan.
The blog's primary topics were significantly revised, introducing new categories and updating or removing several existing ones.
The pricing structure for the Individual, Team, and Pro tiers has been updated, removing '/ month' from the price string and standardizing the billing period to 'month'. Additionally, the Team and Pro tiers now explicitly include bundled credits.
The 'tech_stack_mentioned' field has been cleared for all job listings and the overall aggregate tech stack list is now empty. Additionally, the 'hiring_trend' status changed, and many job seniority level descriptions have been updated.
The 'recent_post_topics' list, which previously contained several topics, is now empty.
The date formats for the recent release and last commit have been updated to a more precise ISO format.
The list of primary topics has been significantly revised, with new categories added, some removed, and others rephrased or expanded.
The website has been significantly updated to focus on concrete developer-facing features like structured data extraction, web research, and browser automation via a single API call, along with new free usage incentives and detailed privacy guarantees.
The pricing format for individual, team, and pro plans has been updated to include "/ month", and their billing periods are now consistently
Mozilla added four new job roles, including positions in Machine Learning, Site Reliability Engineering, and Solutions Engineering. The total number of open roles increased from 18 to 22, and the overall hiring trend is now indicated as "flat". Significant updates were made to job descriptions, standardizing seniority levels and populating tech stack details for many existing roles.
The 'posting_frequency' field was removed, and the 'recent_post_topics' list was cleared.
The star count for the repository has increased.
The blog's primary topics have been updated to include Browser APIs and Open Source Software, along with refined descriptions for existing themes.
The 'posting_frequency' field was removed. The 'followers' count changed to -1, and the 'recent_post_topics' list is now empty.
The date formats for recent releases and the last commit date were updated.
The primary topics for blog posts have been refined, with existing categories rephrased for greater specificity in areas like AI web automation and browser infrastructure, and the "Platform infrastructure" topic being removed.
The platform name has changed from 'twitter' to 'X', the followers count has been significantly updated, and information regarding posting frequency and recent post topics is no longer available.
No change since last scan.
The blog's primary topics have been revised to include 'Data extraction' and use more precise terminology. Additionally, recent post dates now use a standardized 'YYYY-MM-DD' format, and several post titles have been expanded for clarity.
Multiple existing job roles and overall metadata were updated.
The 'posting_frequency' field has been removed, and the 'recent_post_topics' array is now empty.
No change since last scan.
The blog's primary topics were updated, removing some infrastructure and data extraction topics while adding new ones focused on web agent development and AI infrastructure. Several recent blog post titles were also truncated.
The list of primary topics has been updated, replacing general terms with more specific and developer-focused categories such as "Browser automation APIs" and "Developer tools and infrastructure."
No change since last scan.
The key differentiators for the service have been rephrased for clarity and impact, and a new differentiator related to data minimization and security was added. Minor updates were also made to the social proof and target audience statements.
The pricing transparency setting has been enabled, and there were minor textual updates to the Enterprise Plan's feature list and specific pricing unit/billing period values.
The number of open roles decreased, and developer relations roles are no longer open. Several existing job postings were updated with changes to their seniority levels and simplified tech stack mentions.
The platform name changed from 'X' to 'twitter', the follower count was updated to -1, and all recent post topics were removed.
No change since last scan.
The primary topics list was updated, rephrasing several topics and removing 'Developer APIs'. Additionally, the date format for recent posts was changed to a more readable format.
The platform name has been shortened to 'X', the 'posting_frequency' attribute was removed, and the list of 'recent_post_topics' is now empty.
No change since last scan.
Several primary topics were updated: "Agentic AI" and "Developer APIs" were added; "Browser automation" and "AI agents" were removed; and existing topics like "Product updates and pricing" and "Web infrastructure" were modified to "Product updates" and "Browser infrastructure" respectively.
No change since last scan.
The list of key differentiators was updated to use more concise phrasing for all but one of its items.
The pricing transparency setting was updated, and the Team and Pro tiers no longer explicitly list their included credit amounts. The Enterprise tier name was changed, and its `per_unit` and `billing_period` fields were standardized to string "null".
Job role details were significantly enriched with standardized seniority levels and comprehensive tech stack mentions across all listings. The aggregate tech stack list also became more detailed.
The platform name has been updated to 'X (formerly Twitter)', and the follower count significantly increased. The list of recent post topics is now empty.
The date format for the recent release "v2.6.1" was updated.
The blog's primary topics have been revised to include new categories and rephrased existing ones, and all recent blog post URLs now include UTM tracking parameters.
No change since last scan.
Key differentiators received more detailed descriptions regarding identification, opt-out signals, and data training. Additionally, the positioning statement and target audience descriptions were updated.
The pricing transparency setting has been enabled. The Team and Pro plans now explicitly list included credits in their features, and the Enterprise plan has been renamed with an updated pricing message.
Multiple job roles have had their `tech_stack_mentioned` fields emptied, including for engineering and management positions. Additionally, the `seniority` classifications for several roles have been updated, with some becoming 'null' and others seeing minor adjustments to their titles, and the overall `aggregate_tech_stack` is now empty.
The follower count has been updated, the posting frequency is no longer available, and all recent post topics have been cleared.
The format of the 'last_commit_date' has been updated.
A new blog post about browsing infrastructure for AI agents was added. The company's primary topics were updated, with new focuses like 'Web Browser APIs' and 'Developer Tools' replacing broader terms, and blog post URLs were streamlined by removing tracking parameters.
The `last_update_date` field's value was updated from ".null" to "null".
The website updated its core positioning statement and refined the target audience description. Additionally, several key differentiators were slightly rephrased.
The billing period format for Individual, Team, and Pro plans changed. The Enterprise plan's per_unit and billing_period fields were updated from empty strings to 'null'.
Several job roles had their seniority or mentioned tech stacks updated. The overall hiring trend was updated, and the aggregate tech stack was significantly revised.
The platform name was simplified from "X (formerly Twitter)" to "X". The "posting_frequency" field has been removed, and the "recent_post_topics" list is now empty.
The last commit date has been updated.
The primary topics for the blog have been revised to use more specific keywords, and one older blog post titled 'Tabstack: Browsing Infrastructure for AI Agents' was removed from the recent posts section.
The overall hiring trend has changed, and the aggregate tech stack is now empty. Additionally, the 'seniority' for the '0->1 Engineer, Open Source AI' role is now null.
The platform name was updated, the list of recent post topics is now empty, and the posting frequency information has been removed.
The last commit date and the format of the recent release date and version have been updated.
The blog's primary topics have been updated, including more specific technology references like 'Pilo Execution Engine' and a new focus on 'Developer APIs and Tools', while 'Pricing' is now integrated into a broader topic.
The 'last_update_date' field value was changed from 'null' to '.null'.
The social proof summary was significantly shortened and simplified, removing mention of free credits. Additionally, there were minor adjustments to the key differentiators list and the target audience description.
The global pricing transparency status has changed to false. The Enterprise Plan's pricing details, including its price, per_unit, and billing_period fields, have been updated.
Two engineering roles, 'Senior Rust Software Engineer' and 'Senior Application Engineer', were removed, while two new non-engineering roles were added. A significant change involved clearing the `aggregate_tech_stack` and most `tech_stack_mentioned` fields across job listings, alongside updates to several `seniority` levels.
The platform name was shortened, the 'posting_frequency' field was removed, and the 'recent_post_topics' list was emptied.
The version format for the 'v2.6.1' release in recent releases was updated to remove the 'v' prefix.
The blog's primary topics have been updated, replacing broader categories like 'Browser automation and optimization' with more specific entries such as 'Browser APIs', 'Web agents', and separate listings for 'Product updates' and 'Pricing'.
No change since last scan.
The primary topics covered by the blog have been updated to reflect a more granular focus on AI web automation, browser automation, and data extraction.
No change since last scan.
Key differentiators were updated, including changes to privacy statements, removal of specific Mozilla-backed claims, and the addition of a statement about not training on customer data. The social proof summary now also highlights 10,000 free credits for new accounts.
No change since last scan.
The page primarily reflects updates to job descriptions, with several roles having their 'seniority' levels modified (some to 'null') and a more precise specification of 'tech_stack_mentioned'. The overall 'aggregate_tech_stack' was also reduced.
The platform name has changed from "Twitter" to "X (formerly Twitter)". The posting frequency and recent post topics have also been updated.
No change since last scan.
The primary topics for blog posts have been updated and simplified; several topics were rephrased for conciseness, and one topic was removed.
The blog's primary topics were comprehensively revised to include more specific and new developer-focused categories, such as "Developer Tools," while "Open Source Technologies" was removed. Additionally, the recent post dates now use a standardized "YYYY-MM-DD" format.
5 new roles were added. 6 roles were removed. 12 items, including existing roles and overall hiring data, were changed.
The platform name changed from 'X' to 'twitter', the follower count was updated, and the 'posting_frequency' field was removed. The list of recent post topics was also cleared.
No change since last scan.
The primary topics covered on the blog were updated, with some new additions and rephrasing of existing themes. Additionally, the date format for recent posts was changed for improved readability.
The primary topics for blog posts have been updated and refined, including the removal of one topic and renaming of others. Additionally, the format for blog post dates has been standardized to YYYY-MM-DD.
The primary navigation was simplified, and the social proof summary and positioning statement were updated. Several verbose privacy-related differentiators were replaced with more concise versions, alongside the addition of new differentiators emphasizing Mozilla backing and data security.
A 'per_unit' field was added to all pricing tiers to clarify credit costs, and the specific credit inclusion amounts were removed from the 'Team' and 'Pro' tier feature lists.
Several job postings had their seniority levels updated, particularly from 'null' to 'mid' or 'head of' to 'director'. Multiple roles also saw their tech_stack_mentioned field cleared or modified, and the overall aggregate tech stack was updated to reflect these changes.
The 'posting_frequency' field has been removed, and the 'recent_post_topics' list is now empty.
The format of the release version in recent releases was changed.
The primary topics for blog posts have been updated and rephrased, and the date format for recent posts has been changed for better readability.
Most job roles now include specific technologies in their tech stack, and the overall aggregate tech stack has significantly expanded. Additionally, the casing for seniority levels has been standardized to lowercase.
The platform name was shortened, the posting frequency field was removed, and all recent post topics were cleared.
The format for release versions in recent releases was updated.
The primary topics have been significantly updated, with new entries like "Pilo execution engine" and "Data extraction and verification" added, existing topics refined, and "API development" removed. Additionally, the date format for recent posts was standardized.