SEO audit for techwithnikola.com
Tech With Nikola
Health 66/100 (fair) · 50 pages crawled · generated 2026-07-29
Download Markdown report (feed to ChatGPT / Claude / Cursor)Biweekly deep dives into systems design, algorithms, and real-world engineering.
| Category | Score | Errors | Warnings | Notices |
|---|---|---|---|---|
| Canonical | 71 | 0 | 49 | 0 |
| Agent Readiness | 82 | 0 | 30 | 9 |
| Content | 86 | 0 | 24 | 18 |
| Duplicate | 93 | 0 | 12 | 9 |
| Headings | 93 | 0 | 12 | 23 |
| Meta Description | 93 | 0 | 12 | 14 |
| Rendering | 96 | 0 | 6 | 0 |
| Images | 100 | 0 | 0 | 24 |
| Links | 100 | 0 | 0 | 5 |
| Performance | 100 | 0 | 0 | 116 |
| Security | 100 | 0 | 0 | 49 |
| Social | 100 | 0 | 0 | 88 |
| Structured Data | 100 | 0 | 0 | 49 |
| Titles | 100 | 0 | 0 | 1 |
Warnings (8 rules)
warning Control has no accessible name
Rule agent.control_no_name · Agent Readiness · 30 occurrence(s)
- https://techwithnikola.com/ — 1 button/link(s) with no text or aria-label — an agent can't target them
- https://techwithnikola.com/about/ — 1 button/link(s) with no text or aria-label — an agent can't target them
- https://techwithnikola.com/app/ — 3 button/link(s) with no text or aria-label — an agent can't target them
- https://techwithnikola.com/app/interview/ — 3 button/link(s) with no text or aria-label — an agent can't target them
- https://techwithnikola.com/app/interview/preview/ — 3 button/link(s) with no text or aria-label — an agent can't target them
- https://techwithnikola.com/app/interview/session/ — 3 button/link(s) with no text or aria-label — an agent can't target them
- https://techwithnikola.com/app/interview/start/ — 3 button/link(s) with no text or aria-label — an agent can't target them
- https://techwithnikola.com/blog/ — 1 button/link(s) with no text or aria-label — an agent can't target them
- https://techwithnikola.com/blog/ai/how-llms-actually-work/ — 1 button/link(s) with no text or aria-label — an agent can't target them
- https://techwithnikola.com/blog/career/engineers-who-ship-more-do-less/ — 1 button/link(s) with no text or aria-label — an agent can't target them
- https://techwithnikola.com/blog/cryptography/how-rsa-works/ — 1 button/link(s) with no text or aria-label — an agent can't target them
- https://techwithnikola.com/blog/data-structures/queue-and-stack/ — 1 button/link(s) with no text or aria-label — an agent can't target them
- https://techwithnikola.com/blog/lets-build-bitcoin/ — 1 button/link(s) with no text or aria-label — an agent can't target them
- https://techwithnikola.com/blog/lets-build-bitcoin/part-0-define-goals-and-create-project/ — 1 button/link(s) with no text or aria-label — an agent can't target them
- https://techwithnikola.com/blog/lets-build-bitcoin/part-1-hash-functions-and-transactions/ — 1 button/link(s) with no text or aria-label — an agent can't target them
- https://techwithnikola.com/blog/lets-build-bitcoin/part-2-blockchain-block-merkle-tree/ — 1 button/link(s) with no text or aria-label — an agent can't target them
- https://techwithnikola.com/blog/lets-build-bitcoin/part-3-proof-of-work-and-mining/ — 1 button/link(s) with no text or aria-label — an agent can't target them
- https://techwithnikola.com/blog/lets-build-bitcoin/part-4-message-encoding-and-peer-to-peer/ — 1 button/link(s) with no text or aria-label — an agent can't target them
- https://techwithnikola.com/blog/lets-build-bitcoin/part-5-node-roles-and-handshake-protocol/ — 1 button/link(s) with no text or aria-label — an agent can't target them
- https://techwithnikola.com/blog/lets-build-bitcoin/part-6-initial-block-download/ — 1 button/link(s) with no text or aria-label — an agent can't target them
- https://techwithnikola.com/disclaimer/ — 1 button/link(s) with no text or aria-label — an agent can't target them
- https://techwithnikola.com/privacy-policy/ — 1 button/link(s) with no text or aria-label — an agent can't target them
- https://techwithnikola.com/resources/ — 1 button/link(s) with no text or aria-label — an agent can't target them
- https://techwithnikola.com/terms/ — 1 button/link(s) with no text or aria-label — an agent can't target them
- https://techwithnikola.com/visualizations/astar/ — 1 button/link(s) with no text or aria-label — an agent can't target them
warning Missing canonical tag
Rule canonical.missing · Canonical · 49 occurrence(s)
- https://techwithnikola.com/
- https://techwithnikola.com/about/
- https://techwithnikola.com/app/
- https://techwithnikola.com/app/course/introduction-to-algorithms/
- https://techwithnikola.com/app/course/introduction-to-algorithms/intro/how-each-lesson-works/
- https://techwithnikola.com/app/course/introduction-to-algorithms/intro/how-this-course-is-structured/
- https://techwithnikola.com/app/course/introduction-to-algorithms/intro/what-youll-be-able-to-do/
- https://techwithnikola.com/app/course/introduction-to-algorithms/intro/who-is-this-course-for/
- https://techwithnikola.com/app/course/introduction-to-algorithms/intro/why-study-algorithms/
- https://techwithnikola.com/app/interview/
- https://techwithnikola.com/app/interview/preview/
- https://techwithnikola.com/blog/
- https://techwithnikola.com/blog/ai/how-llms-actually-work/
- https://techwithnikola.com/blog/lets-build-bitcoin/
- https://techwithnikola.com/confirm-subscription/
- https://techwithnikola.com/course/
- https://techwithnikola.com/disclaimer/
- https://techwithnikola.com/login/
- https://techwithnikola.com/newsletter/
- https://techwithnikola.com/newsletter/yt-bf/
- https://techwithnikola.com/privacy-policy/
- https://techwithnikola.com/resources/
- https://techwithnikola.com/resources/blackjack-counting/
- https://techwithnikola.com/terms/
- https://techwithnikola.com/visualizations/astar/
warning Thin content (low word count)
Rule content.thin · Content · 24 occurrence(s)
- https://techwithnikola.com/about/ — 124 words
- https://techwithnikola.com/app/ — 27 words
- https://techwithnikola.com/app/course/introduction-to-algorithms/ — 2 words
- https://techwithnikola.com/app/course/introduction-to-algorithms/intro/how-each-lesson-works/ — 2 words
- https://techwithnikola.com/app/course/introduction-to-algorithms/intro/how-this-course-is-structured/ — 2 words
- https://techwithnikola.com/app/course/introduction-to-algorithms/intro/what-youll-be-able-to-do/ — 2 words
- https://techwithnikola.com/app/course/introduction-to-algorithms/intro/who-is-this-course-for/ — 2 words
- https://techwithnikola.com/app/course/introduction-to-algorithms/intro/why-study-algorithms/ — 2 words
- https://techwithnikola.com/app/interview/ — 52 words
- https://techwithnikola.com/app/interview/preview/ — 27 words
- https://techwithnikola.com/app/interview/session/ — 27 words
- https://techwithnikola.com/app/interview/start/ — 27 words
- https://techwithnikola.com/confirm-subscription/ — 3 words
- https://techwithnikola.com/login/ — 4 words
- https://techwithnikola.com/newsletter/ — 125 words
- https://techwithnikola.com/newsletter/yt-bf/ — 125 words
- https://techwithnikola.com/newsletter/yt-ch/ — 125 words
- https://techwithnikola.com/newsletter/yt-hdd/ — 125 words
- https://techwithnikola.com/newsletter/yt-ssd/ — 125 words
- https://techwithnikola.com/resources/blackjack-counting/ — 175 words
- https://techwithnikola.com/resources/dp-cheatsheet/ — 189 words
- https://techwithnikola.com/resources/git-cheatsheet/ — 184 words
- https://techwithnikola.com/resources/snake-neat/ — 171 words
- https://techwithnikola.com/visualizations/astar/ — 56 words
warning Homepage duplicated across protocol/host variants (no redirect)
Rule duplicate.protocol_host · Duplicate · 1 occurrence(s)
- https://techwithnikola.com/ — https://www.techwithnikola.com/ serves the same homepage content with a 200 and no redirect — Google sees a duplicate. Pick one canonical host/scheme and 301-redirect the others.
warning Duplicate <title> across pages
Rule duplicate.title · Duplicate · 11 occurrence(s)
- https://techwithnikola.com/app/course/introduction-to-algorithms/ — title shared by 6 pages: https://techwithnikola.com/app/course/introduction-to-algorithms/intro/how-each-lesson-works/, https://techwithnikola.com/app/course/introduction-to-algorithms/intro/how-this-course-is-structured/, https://techwithnikola.com/app/course/introduction-to-algorithms/intro/what-youll-be-able-to-do/
- https://techwithnikola.com/app/course/introduction-to-algorithms/intro/how-each-lesson-works/ — title shared by 6 pages: https://techwithnikola.com/app/course/introduction-to-algorithms/, https://techwithnikola.com/app/course/introduction-to-algorithms/intro/how-this-course-is-structured/, https://techwithnikola.com/app/course/introduction-to-algorithms/intro/what-youll-be-able-to-do/
- https://techwithnikola.com/app/course/introduction-to-algorithms/intro/how-this-course-is-structured/ — title shared by 6 pages: https://techwithnikola.com/app/course/introduction-to-algorithms/, https://techwithnikola.com/app/course/introduction-to-algorithms/intro/how-each-lesson-works/, https://techwithnikola.com/app/course/introduction-to-algorithms/intro/what-youll-be-able-to-do/
- https://techwithnikola.com/app/course/introduction-to-algorithms/intro/what-youll-be-able-to-do/ — title shared by 6 pages: https://techwithnikola.com/app/course/introduction-to-algorithms/, https://techwithnikola.com/app/course/introduction-to-algorithms/intro/how-each-lesson-works/, https://techwithnikola.com/app/course/introduction-to-algorithms/intro/how-this-course-is-structured/
- https://techwithnikola.com/app/course/introduction-to-algorithms/intro/who-is-this-course-for/ — title shared by 6 pages: https://techwithnikola.com/app/course/introduction-to-algorithms/, https://techwithnikola.com/app/course/introduction-to-algorithms/intro/how-each-lesson-works/, https://techwithnikola.com/app/course/introduction-to-algorithms/intro/how-this-course-is-structured/
- https://techwithnikola.com/app/course/introduction-to-algorithms/intro/why-study-algorithms/ — title shared by 6 pages: https://techwithnikola.com/app/course/introduction-to-algorithms/, https://techwithnikola.com/app/course/introduction-to-algorithms/intro/how-each-lesson-works/, https://techwithnikola.com/app/course/introduction-to-algorithms/intro/how-this-course-is-structured/
- https://techwithnikola.com/newsletter/ — title shared by 5 pages: https://techwithnikola.com/newsletter/yt-bf/, https://techwithnikola.com/newsletter/yt-ch/, https://techwithnikola.com/newsletter/yt-hdd/
- https://techwithnikola.com/newsletter/yt-bf/ — title shared by 5 pages: https://techwithnikola.com/newsletter/, https://techwithnikola.com/newsletter/yt-ch/, https://techwithnikola.com/newsletter/yt-hdd/
- https://techwithnikola.com/newsletter/yt-ch/ — title shared by 5 pages: https://techwithnikola.com/newsletter/, https://techwithnikola.com/newsletter/yt-bf/, https://techwithnikola.com/newsletter/yt-hdd/
- https://techwithnikola.com/newsletter/yt-hdd/ — title shared by 5 pages: https://techwithnikola.com/newsletter/, https://techwithnikola.com/newsletter/yt-bf/, https://techwithnikola.com/newsletter/yt-ch/
- https://techwithnikola.com/newsletter/yt-ssd/ — title shared by 5 pages: https://techwithnikola.com/newsletter/, https://techwithnikola.com/newsletter/yt-bf/, https://techwithnikola.com/newsletter/yt-ch/
warning Missing <h1>
Rule h1.missing · Headings · 12 occurrence(s)
- https://techwithnikola.com/app/
- https://techwithnikola.com/app/course/introduction-to-algorithms/
- https://techwithnikola.com/app/course/introduction-to-algorithms/intro/how-each-lesson-works/
- https://techwithnikola.com/app/course/introduction-to-algorithms/intro/how-this-course-is-structured/
- https://techwithnikola.com/app/course/introduction-to-algorithms/intro/what-youll-be-able-to-do/
- https://techwithnikola.com/app/course/introduction-to-algorithms/intro/who-is-this-course-for/
- https://techwithnikola.com/app/course/introduction-to-algorithms/intro/why-study-algorithms/
- https://techwithnikola.com/app/interview/preview/
- https://techwithnikola.com/app/interview/session/
- https://techwithnikola.com/app/interview/start/
- https://techwithnikola.com/confirm-subscription/
- https://techwithnikola.com/login/
warning Missing meta description
Rule meta_desc.missing · Meta Description · 12 occurrence(s)
- https://techwithnikola.com/app/
- https://techwithnikola.com/app/course/introduction-to-algorithms/
- https://techwithnikola.com/app/course/introduction-to-algorithms/intro/how-each-lesson-works/
- https://techwithnikola.com/app/course/introduction-to-algorithms/intro/how-this-course-is-structured/
- https://techwithnikola.com/app/course/introduction-to-algorithms/intro/what-youll-be-able-to-do/
- https://techwithnikola.com/app/course/introduction-to-algorithms/intro/who-is-this-course-for/
- https://techwithnikola.com/app/course/introduction-to-algorithms/intro/why-study-algorithms/
- https://techwithnikola.com/app/interview/
- https://techwithnikola.com/app/interview/preview/
- https://techwithnikola.com/app/interview/session/
- https://techwithnikola.com/app/interview/start/
- https://techwithnikola.com/blog/lets-build-bitcoin/part-0-define-goals-and-create-project/
warning Content only rendered by JavaScript (invisible to non-JS crawlers & AI)
Rule rendering.js_shell · Rendering · 6 occurrence(s)
- https://techwithnikola.com/app/course/introduction-to-algorithms/ — Raw HTML has 2 words and 0 links — this page is built by JavaScript in the browser. Googlebot renders JS but delays it, and most crawlers and AI assistants (ChatGPT, Perplexity, Claude) don't run JavaScript at all, so to them the page looks empty. Server-render or pre-render your main content and navigation.
- https://techwithnikola.com/app/course/introduction-to-algorithms/intro/how-each-lesson-works/ — Raw HTML has 2 words and 0 links — this page is built by JavaScript in the browser. Googlebot renders JS but delays it, and most crawlers and AI assistants (ChatGPT, Perplexity, Claude) don't run JavaScript at all, so to them the page looks empty. Server-render or pre-render your main content and navigation.
- https://techwithnikola.com/app/course/introduction-to-algorithms/intro/how-this-course-is-structured/ — Raw HTML has 2 words and 0 links — this page is built by JavaScript in the browser. Googlebot renders JS but delays it, and most crawlers and AI assistants (ChatGPT, Perplexity, Claude) don't run JavaScript at all, so to them the page looks empty. Server-render or pre-render your main content and navigation.
- https://techwithnikola.com/app/course/introduction-to-algorithms/intro/what-youll-be-able-to-do/ — Raw HTML has 2 words and 0 links — this page is built by JavaScript in the browser. Googlebot renders JS but delays it, and most crawlers and AI assistants (ChatGPT, Perplexity, Claude) don't run JavaScript at all, so to them the page looks empty. Server-render or pre-render your main content and navigation.
- https://techwithnikola.com/app/course/introduction-to-algorithms/intro/who-is-this-course-for/ — Raw HTML has 2 words and 0 links — this page is built by JavaScript in the browser. Googlebot renders JS but delays it, and most crawlers and AI assistants (ChatGPT, Perplexity, Claude) don't run JavaScript at all, so to them the page looks empty. Server-render or pre-render your main content and navigation.
- https://techwithnikola.com/app/course/introduction-to-algorithms/intro/why-study-algorithms/ — Raw HTML has 2 words and 0 links — this page is built by JavaScript in the browser. Googlebot renders JS but delays it, and most crawlers and AI assistants (ChatGPT, Perplexity, Claude) don't run JavaScript at all, so to them the page looks empty. Server-render or pre-render your main content and navigation.
Notices (21 rules)
notice Heading levels skip a level
Rule agent.heading_skip · Agent Readiness · 7 occurrence(s)
- https://techwithnikola.com/blog/ — h3 follows h1 — skips h2
- https://techwithnikola.com/resources/ — h3 follows h1 — skips h2
- https://techwithnikola.com/resources/blackjack-counting/ — h3 follows h1 — skips h2
- https://techwithnikola.com/resources/dp-cheatsheet/ — h3 follows h1 — skips h2
- https://techwithnikola.com/resources/git-cheatsheet/ — h3 follows h1 — skips h2
- https://techwithnikola.com/resources/senior-engineer-checklist/ — h3 follows h1 — skips h2
- https://techwithnikola.com/resources/snake-neat/ — h3 follows h1 — skips h2
notice No llms.txt for AI agents
Rule agent.llms_txt_missing · Agent Readiness · 1 occurrence(s)
- https://techwithnikola.com/ — no llms.txt found at the site root — add one so AI agents get a curated site summary
notice No main landmark for AI agents
Rule agent.no_main_landmark · Agent Readiness · 1 occurrence(s)
- https://techwithnikola.com/app/interview/ — add a <main> element (or role=main) around the primary content
notice Low text-to-HTML ratio
Rule content.low_ratio · Content · 14 occurrence(s)
- https://techwithnikola.com/app/ — 1.9%
- https://techwithnikola.com/app/course/introduction-to-algorithms/ — 0.3%
- https://techwithnikola.com/app/course/introduction-to-algorithms/intro/how-each-lesson-works/ — 0.3%
- https://techwithnikola.com/app/course/introduction-to-algorithms/intro/how-this-course-is-structured/ — 0.3%
- https://techwithnikola.com/app/course/introduction-to-algorithms/intro/what-youll-be-able-to-do/ — 0.3%
- https://techwithnikola.com/app/course/introduction-to-algorithms/intro/who-is-this-course-for/ — 0.3%
- https://techwithnikola.com/app/course/introduction-to-algorithms/intro/why-study-algorithms/ — 0.3%
- https://techwithnikola.com/app/interview/ — 3.6%
- https://techwithnikola.com/app/interview/preview/ — 1.9%
- https://techwithnikola.com/app/interview/session/ — 1.9%
- https://techwithnikola.com/app/interview/start/ — 1.9%
- https://techwithnikola.com/confirm-subscription/ — 0.3%
- https://techwithnikola.com/login/ — 0.7%
- https://techwithnikola.com/visualizations/astar/ — 4.0%
notice Main text is hard to read (low Flesch Reading Ease)
Rule content.readability_poor · Content · 4 occurrence(s)
- https://techwithnikola.com/course/ — this page reads as very difficult (Flesch Reading Ease 29, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
- https://techwithnikola.com/resources/ — this page reads as difficult (Flesch Reading Ease 45, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
- https://techwithnikola.com/resources/git-cheatsheet/ — this page reads as difficult (Flesch Reading Ease 48, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
- https://techwithnikola.com/resources/snake-neat/ — this page reads as difficult (Flesch Reading Ease 46, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
notice Duplicate meta description across pages
Rule duplicate.meta_desc · Duplicate · 9 occurrence(s)
- https://techwithnikola.com/blog/ — meta description shared by 4 pages: https://techwithnikola.com/disclaimer/, https://techwithnikola.com/privacy-policy/, https://techwithnikola.com/terms/
- https://techwithnikola.com/disclaimer/ — meta description shared by 4 pages: https://techwithnikola.com/blog/, https://techwithnikola.com/privacy-policy/, https://techwithnikola.com/terms/
- https://techwithnikola.com/newsletter/ — meta description shared by 5 pages: https://techwithnikola.com/newsletter/yt-bf/, https://techwithnikola.com/newsletter/yt-ch/, https://techwithnikola.com/newsletter/yt-hdd/
- https://techwithnikola.com/newsletter/yt-bf/ — meta description shared by 5 pages: https://techwithnikola.com/newsletter/, https://techwithnikola.com/newsletter/yt-ch/, https://techwithnikola.com/newsletter/yt-hdd/
- https://techwithnikola.com/newsletter/yt-ch/ — meta description shared by 5 pages: https://techwithnikola.com/newsletter/, https://techwithnikola.com/newsletter/yt-bf/, https://techwithnikola.com/newsletter/yt-hdd/
- https://techwithnikola.com/newsletter/yt-hdd/ — meta description shared by 5 pages: https://techwithnikola.com/newsletter/, https://techwithnikola.com/newsletter/yt-bf/, https://techwithnikola.com/newsletter/yt-ch/
- https://techwithnikola.com/newsletter/yt-ssd/ — meta description shared by 5 pages: https://techwithnikola.com/newsletter/, https://techwithnikola.com/newsletter/yt-bf/, https://techwithnikola.com/newsletter/yt-ch/
- https://techwithnikola.com/privacy-policy/ — meta description shared by 4 pages: https://techwithnikola.com/blog/, https://techwithnikola.com/disclaimer/, https://techwithnikola.com/terms/
- https://techwithnikola.com/terms/ — meta description shared by 4 pages: https://techwithnikola.com/blog/, https://techwithnikola.com/disclaimer/, https://techwithnikola.com/privacy-policy/
notice Multiple <h1> elements
Rule h1.multiple · Headings · 23 occurrence(s)
- https://techwithnikola.com/about/ — 2 <h1> elements
- https://techwithnikola.com/blog/ — 2 <h1> elements
- https://techwithnikola.com/blog/ai/how-llms-actually-work/ — 2 <h1> elements
- https://techwithnikola.com/blog/career/engineers-who-ship-more-do-less/ — 2 <h1> elements
- https://techwithnikola.com/blog/cryptography/how-rsa-works/ — 2 <h1> elements
- https://techwithnikola.com/blog/data-structures/queue-and-stack/ — 2 <h1> elements
- https://techwithnikola.com/blog/lets-build-bitcoin/ — 2 <h1> elements
- https://techwithnikola.com/blog/lets-build-bitcoin/part-0-define-goals-and-create-project/ — 2 <h1> elements
- https://techwithnikola.com/blog/lets-build-bitcoin/part-1-hash-functions-and-transactions/ — 2 <h1> elements
- https://techwithnikola.com/blog/lets-build-bitcoin/part-10-sending-transactions/ — 2 <h1> elements
- https://techwithnikola.com/blog/lets-build-bitcoin/part-2-blockchain-block-merkle-tree/ — 2 <h1> elements
- https://techwithnikola.com/blog/lets-build-bitcoin/part-3-proof-of-work-and-mining/ — 2 <h1> elements
- https://techwithnikola.com/blog/lets-build-bitcoin/part-4-message-encoding-and-peer-to-peer/ — 2 <h1> elements
- https://techwithnikola.com/blog/lets-build-bitcoin/part-5-node-roles-and-handshake-protocol/ — 2 <h1> elements
- https://techwithnikola.com/blog/lets-build-bitcoin/part-6-initial-block-download/ — 2 <h1> elements
- https://techwithnikola.com/blog/lets-build-bitcoin/part-7-mining-process/ — 2 <h1> elements
- https://techwithnikola.com/blog/lets-build-bitcoin/part-8-relay-blocks/ — 2 <h1> elements
- https://techwithnikola.com/blog/lets-build-bitcoin/part-9-visualize-blockchain-with-graphwiz/ — 2 <h1> elements
- https://techwithnikola.com/blog/systems-design/the-bug-that-took-down-reddit/ — 2 <h1> elements
- https://techwithnikola.com/disclaimer/ — 2 <h1> elements
- https://techwithnikola.com/privacy-policy/ — 2 <h1> elements
- https://techwithnikola.com/resources/ — 2 <h1> elements
- https://techwithnikola.com/terms/ — 2 <h1> elements
notice Image alt text is keyword-stuffed (repetition / low variety)
Rule images.alt_stuffed · Images · 1 occurrence(s)
- https://techwithnikola.com/blog/career/engineers-who-ship-more-do-less/ — 1 image(s) have keyword-stuffed alt text — the same word repeated several times, or a long low-variety keyword list. Google's image guidance asks for short, descriptive alt text, not keyword lists; rewrite it to describe the image.
notice Likely hero image lacks fetchpriority=high
Rule images.hero_no_fetchpriority · Performance · 43 occurrence(s)
- https://techwithnikola.com/ — the likely hero/LCP image (logo.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- https://techwithnikola.com/about/ — the likely hero/LCP image (logo.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- https://techwithnikola.com/app/ — the likely hero/LCP image (logo.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- https://techwithnikola.com/app/interview/ — the likely hero/LCP image (logo.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- https://techwithnikola.com/app/interview/preview/ — the likely hero/LCP image (logo.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- https://techwithnikola.com/app/interview/session/ — the likely hero/LCP image (logo.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- https://techwithnikola.com/app/interview/start/ — the likely hero/LCP image (logo.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- https://techwithnikola.com/blog/ — the likely hero/LCP image (logo.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- https://techwithnikola.com/blog/ai/how-llms-actually-work/ — the likely hero/LCP image (logo.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- https://techwithnikola.com/blog/career/engineers-who-ship-more-do-less/ — the likely hero/LCP image (logo.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- https://techwithnikola.com/blog/cryptography/how-rsa-works/ — the likely hero/LCP image (logo.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- https://techwithnikola.com/blog/data-structures/queue-and-stack/ — the likely hero/LCP image (logo.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- https://techwithnikola.com/blog/lets-build-bitcoin/ — the likely hero/LCP image (logo.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- https://techwithnikola.com/blog/lets-build-bitcoin/part-0-define-goals-and-create-project/ — the likely hero/LCP image (logo.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- https://techwithnikola.com/confirm-subscription/ — the likely hero/LCP image (logo.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- https://techwithnikola.com/course/ — the likely hero/LCP image (logo.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- https://techwithnikola.com/disclaimer/ — the likely hero/LCP image (logo.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- https://techwithnikola.com/login/ — the likely hero/LCP image (logo.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- https://techwithnikola.com/newsletter/ — the likely hero/LCP image (logo.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- https://techwithnikola.com/newsletter/yt-bf/ — the likely hero/LCP image (logo.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- https://techwithnikola.com/privacy-policy/ — the likely hero/LCP image (logo.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- https://techwithnikola.com/resources/ — the likely hero/LCP image (logo.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- https://techwithnikola.com/resources/blackjack-counting/ — the likely hero/LCP image (logo.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- https://techwithnikola.com/terms/ — the likely hero/LCP image (logo.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- https://techwithnikola.com/visualizations/astar/ — the likely hero/LCP image (logo.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
notice Images without width/height (layout shift / CLS)
Rule images.missing_dimensions · Images · 23 occurrence(s)
- https://techwithnikola.com/ — 7 of 8 images without width/height
- https://techwithnikola.com/app/ — 1 of 1 images without width/height
- https://techwithnikola.com/app/interview/ — 1 of 1 images without width/height
- https://techwithnikola.com/app/interview/preview/ — 1 of 1 images without width/height
- https://techwithnikola.com/app/interview/session/ — 1 of 1 images without width/height
- https://techwithnikola.com/app/interview/start/ — 1 of 1 images without width/height
- https://techwithnikola.com/blog/ — 5 of 6 images without width/height
- https://techwithnikola.com/blog/ai/how-llms-actually-work/ — 13 of 14 images without width/height
- https://techwithnikola.com/blog/career/engineers-who-ship-more-do-less/ — 2 of 3 images without width/height
- https://techwithnikola.com/blog/lets-build-bitcoin/ — 1 of 2 images without width/height
- https://techwithnikola.com/blog/lets-build-bitcoin/part-1-hash-functions-and-transactions/ — 2 of 3 images without width/height
- https://techwithnikola.com/blog/lets-build-bitcoin/part-2-blockchain-block-merkle-tree/ — 2 of 3 images without width/height
- https://techwithnikola.com/blog/lets-build-bitcoin/part-3-proof-of-work-and-mining/ — 4 of 5 images without width/height
- https://techwithnikola.com/blog/lets-build-bitcoin/part-4-message-encoding-and-peer-to-peer/ — 2 of 3 images without width/height
- https://techwithnikola.com/blog/lets-build-bitcoin/part-6-initial-block-download/ — 7 of 8 images without width/height
- https://techwithnikola.com/blog/lets-build-bitcoin/part-8-relay-blocks/ — 2 of 3 images without width/height
- https://techwithnikola.com/blog/lets-build-bitcoin/part-9-visualize-blockchain-with-graphwiz/ — 1 of 2 images without width/height
- https://techwithnikola.com/blog/systems-design/the-bug-that-took-down-reddit/ — 1 of 2 images without width/height
- https://techwithnikola.com/course/ — 1 of 2 images without width/height
- https://techwithnikola.com/resources/ — 3 of 4 images without width/height
- https://techwithnikola.com/resources/dp-cheatsheet/ — 1 of 2 images without width/height
- https://techwithnikola.com/resources/git-cheatsheet/ — 1 of 2 images without width/height
- https://techwithnikola.com/resources/senior-engineer-checklist/ — 1 of 2 images without width/height
notice Internal link has no anchor text / accessible name
Rule links.no_anchor_text · Links · 5 occurrence(s)
- https://techwithnikola.com/app/ — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- https://techwithnikola.com/app/interview/ — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- https://techwithnikola.com/app/interview/preview/ — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- https://techwithnikola.com/app/interview/session/ — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- https://techwithnikola.com/app/interview/start/ — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
notice Meta description too long
Rule meta_desc.too_long · Meta Description · 8 occurrence(s)
- https://techwithnikola.com/blog/ai/how-llms-actually-work/ — 177 chars
- https://techwithnikola.com/blog/career/engineers-who-ship-more-do-less/ — 205 chars
- https://techwithnikola.com/blog/lets-build-bitcoin/part-3-proof-of-work-and-mining/ — 242 chars
- https://techwithnikola.com/newsletter/ — 165 chars
- https://techwithnikola.com/newsletter/yt-bf/ — 165 chars
- https://techwithnikola.com/newsletter/yt-ch/ — 165 chars
- https://techwithnikola.com/newsletter/yt-hdd/ — 165 chars
- https://techwithnikola.com/newsletter/yt-ssd/ — 165 chars
notice Meta description too short
Rule meta_desc.too_short · Meta Description · 6 occurrence(s)
- https://techwithnikola.com/blog/ — 40 chars
- https://techwithnikola.com/confirm-subscription/ — 37 chars
- https://techwithnikola.com/disclaimer/ — 40 chars
- https://techwithnikola.com/login/ — 40 chars
- https://techwithnikola.com/privacy-policy/ — 40 chars
- https://techwithnikola.com/terms/ — 40 chars
notice Missing Open Graph tags
Rule og.missing · Social · 44 occurrence(s)
- https://techwithnikola.com/ — og:image
- https://techwithnikola.com/about/ — og:image
- https://techwithnikola.com/app/ — og:title, og:description, og:image
- https://techwithnikola.com/app/course/introduction-to-algorithms/ — og:title, og:description, og:image
- https://techwithnikola.com/app/course/introduction-to-algorithms/intro/how-each-lesson-works/ — og:title, og:description, og:image
- https://techwithnikola.com/app/course/introduction-to-algorithms/intro/how-this-course-is-structured/ — og:title, og:description, og:image
- https://techwithnikola.com/app/course/introduction-to-algorithms/intro/what-youll-be-able-to-do/ — og:title, og:description, og:image
- https://techwithnikola.com/app/course/introduction-to-algorithms/intro/who-is-this-course-for/ — og:title, og:description, og:image
- https://techwithnikola.com/app/course/introduction-to-algorithms/intro/why-study-algorithms/ — og:title, og:description, og:image
- https://techwithnikola.com/app/interview/ — og:title, og:description, og:image
- https://techwithnikola.com/app/interview/preview/ — og:title, og:description, og:image
- https://techwithnikola.com/app/interview/session/ — og:title, og:description, og:image
- https://techwithnikola.com/blog/ — og:image
- https://techwithnikola.com/blog/lets-build-bitcoin/ — og:image
- https://techwithnikola.com/confirm-subscription/ — og:title, og:description, og:image
- https://techwithnikola.com/course/ — og:title, og:description, og:image
- https://techwithnikola.com/disclaimer/ — og:image
- https://techwithnikola.com/login/ — og:title, og:description, og:image
- https://techwithnikola.com/newsletter/ — og:image
- https://techwithnikola.com/newsletter/yt-bf/ — og:image
- https://techwithnikola.com/privacy-policy/ — og:image
- https://techwithnikola.com/resources/ — og:image
- https://techwithnikola.com/resources/blackjack-counting/ — og:title, og:description, og:image
- https://techwithnikola.com/terms/ — og:image
- https://techwithnikola.com/visualizations/astar/ — og:image
notice Large DOM (over 1500 elements) slows rendering & interaction
Rule perf.dom_size_large · Performance · 8 occurrence(s)
- https://techwithnikola.com/blog/cryptography/how-rsa-works/ — the page has 6321 DOM elements (recommended maximum is around 1500) — a large DOM increases style-recalculation, layout and paint cost, hurting LCP and INP. Flatten deep nesting, paginate long lists/tables, and lazy-render off-screen elements.
- https://techwithnikola.com/blog/lets-build-bitcoin/part-1-hash-functions-and-transactions/ — the page has 1576 DOM elements (recommended maximum is around 1500) — a large DOM increases style-recalculation, layout and paint cost, hurting LCP and INP. Flatten deep nesting, paginate long lists/tables, and lazy-render off-screen elements.
- https://techwithnikola.com/blog/lets-build-bitcoin/part-10-sending-transactions/ — the page has 2489 DOM elements (recommended maximum is around 1500) — a large DOM increases style-recalculation, layout and paint cost, hurting LCP and INP. Flatten deep nesting, paginate long lists/tables, and lazy-render off-screen elements.
- https://techwithnikola.com/blog/lets-build-bitcoin/part-4-message-encoding-and-peer-to-peer/ — the page has 2264 DOM elements (recommended maximum is around 1500) — a large DOM increases style-recalculation, layout and paint cost, hurting LCP and INP. Flatten deep nesting, paginate long lists/tables, and lazy-render off-screen elements.
- https://techwithnikola.com/blog/lets-build-bitcoin/part-6-initial-block-download/ — the page has 4260 DOM elements (recommended maximum is around 1500) — a large DOM increases style-recalculation, layout and paint cost, hurting LCP and INP. Flatten deep nesting, paginate long lists/tables, and lazy-render off-screen elements.
- https://techwithnikola.com/blog/lets-build-bitcoin/part-7-mining-process/ — the page has 3235 DOM elements (recommended maximum is around 1500) — a large DOM increases style-recalculation, layout and paint cost, hurting LCP and INP. Flatten deep nesting, paginate long lists/tables, and lazy-render off-screen elements.
- https://techwithnikola.com/blog/lets-build-bitcoin/part-8-relay-blocks/ — the page has 3112 DOM elements (recommended maximum is around 1500) — a large DOM increases style-recalculation, layout and paint cost, hurting LCP and INP. Flatten deep nesting, paginate long lists/tables, and lazy-render off-screen elements.
- https://techwithnikola.com/blog/lets-build-bitcoin/part-9-visualize-blockchain-with-graphwiz/ — the page has 1740 DOM elements (recommended maximum is around 1500) — a large DOM increases style-recalculation, layout and paint cost, hurting LCP and INP. Flatten deep nesting, paginate long lists/tables, and lazy-render off-screen elements.
notice Legacy image format (jpg/png/gif) with no next-gen fallback
Rule perf.images_legacy_format · Performance · 16 occurrence(s)
- https://techwithnikola.com/ — 7 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- https://techwithnikola.com/blog/ — 5 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- https://techwithnikola.com/blog/ai/how-llms-actually-work/ — 13 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- https://techwithnikola.com/blog/career/engineers-who-ship-more-do-less/ — 2 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- https://techwithnikola.com/blog/lets-build-bitcoin/ — 1 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- https://techwithnikola.com/blog/lets-build-bitcoin/part-1-hash-functions-and-transactions/ — 2 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- https://techwithnikola.com/blog/lets-build-bitcoin/part-2-blockchain-block-merkle-tree/ — 2 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- https://techwithnikola.com/blog/lets-build-bitcoin/part-3-proof-of-work-and-mining/ — 4 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- https://techwithnikola.com/blog/lets-build-bitcoin/part-4-message-encoding-and-peer-to-peer/ — 2 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- https://techwithnikola.com/blog/lets-build-bitcoin/part-6-initial-block-download/ — 7 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- https://techwithnikola.com/blog/lets-build-bitcoin/part-8-relay-blocks/ — 2 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- https://techwithnikola.com/blog/systems-design/the-bug-that-took-down-reddit/ — 1 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- https://techwithnikola.com/resources/ — 3 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- https://techwithnikola.com/resources/dp-cheatsheet/ — 1 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- https://techwithnikola.com/resources/git-cheatsheet/ — 1 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- https://techwithnikola.com/resources/senior-engineer-checklist/ — 1 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
notice No ETag header (no conditional GET for unchanged pages)
Rule perf.no_etag · Performance · 49 occurrence(s)
- https://techwithnikola.com/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- https://techwithnikola.com/about/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- https://techwithnikola.com/app/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- https://techwithnikola.com/app/course/introduction-to-algorithms/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- https://techwithnikola.com/app/course/introduction-to-algorithms/intro/how-each-lesson-works/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- https://techwithnikola.com/app/course/introduction-to-algorithms/intro/how-this-course-is-structured/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- https://techwithnikola.com/app/course/introduction-to-algorithms/intro/what-youll-be-able-to-do/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- https://techwithnikola.com/app/course/introduction-to-algorithms/intro/who-is-this-course-for/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- https://techwithnikola.com/app/course/introduction-to-algorithms/intro/why-study-algorithms/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- https://techwithnikola.com/app/interview/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- https://techwithnikola.com/app/interview/preview/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- https://techwithnikola.com/blog/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- https://techwithnikola.com/blog/ai/how-llms-actually-work/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- https://techwithnikola.com/blog/lets-build-bitcoin/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- https://techwithnikola.com/confirm-subscription/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- https://techwithnikola.com/course/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- https://techwithnikola.com/disclaimer/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- https://techwithnikola.com/login/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- https://techwithnikola.com/newsletter/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- https://techwithnikola.com/newsletter/yt-bf/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- https://techwithnikola.com/privacy-policy/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- https://techwithnikola.com/resources/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- https://techwithnikola.com/resources/blackjack-counting/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- https://techwithnikola.com/terms/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- https://techwithnikola.com/visualizations/astar/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
notice No structured data detected
Rule schema.none · Structured Data · 49 occurrence(s)
- https://techwithnikola.com/
- https://techwithnikola.com/about/
- https://techwithnikola.com/app/
- https://techwithnikola.com/app/course/introduction-to-algorithms/
- https://techwithnikola.com/app/course/introduction-to-algorithms/intro/how-each-lesson-works/
- https://techwithnikola.com/app/course/introduction-to-algorithms/intro/how-this-course-is-structured/
- https://techwithnikola.com/app/course/introduction-to-algorithms/intro/what-youll-be-able-to-do/
- https://techwithnikola.com/app/course/introduction-to-algorithms/intro/who-is-this-course-for/
- https://techwithnikola.com/app/course/introduction-to-algorithms/intro/why-study-algorithms/
- https://techwithnikola.com/app/interview/
- https://techwithnikola.com/app/interview/preview/
- https://techwithnikola.com/blog/
- https://techwithnikola.com/blog/ai/how-llms-actually-work/
- https://techwithnikola.com/blog/lets-build-bitcoin/
- https://techwithnikola.com/confirm-subscription/
- https://techwithnikola.com/course/
- https://techwithnikola.com/disclaimer/
- https://techwithnikola.com/login/
- https://techwithnikola.com/newsletter/
- https://techwithnikola.com/newsletter/yt-bf/
- https://techwithnikola.com/privacy-policy/
- https://techwithnikola.com/resources/
- https://techwithnikola.com/resources/blackjack-counting/
- https://techwithnikola.com/terms/
- https://techwithnikola.com/visualizations/astar/
notice Missing recommended security headers
Rule security.missing_headers · Security · 49 occurrence(s)
- https://techwithnikola.com/ — HSTS, CSP, X-Content-Type-Options
- https://techwithnikola.com/about/ — HSTS, CSP, X-Content-Type-Options
- https://techwithnikola.com/app/ — X-Content-Type-Options, HSTS, CSP
- https://techwithnikola.com/app/course/introduction-to-algorithms/ — HSTS, CSP, X-Content-Type-Options
- https://techwithnikola.com/app/course/introduction-to-algorithms/intro/how-each-lesson-works/ — HSTS, CSP, X-Content-Type-Options
- https://techwithnikola.com/app/course/introduction-to-algorithms/intro/how-this-course-is-structured/ — X-Content-Type-Options, HSTS, CSP
- https://techwithnikola.com/app/course/introduction-to-algorithms/intro/what-youll-be-able-to-do/ — HSTS, CSP, X-Content-Type-Options
- https://techwithnikola.com/app/course/introduction-to-algorithms/intro/who-is-this-course-for/ — HSTS, CSP, X-Content-Type-Options
- https://techwithnikola.com/app/course/introduction-to-algorithms/intro/why-study-algorithms/ — HSTS, CSP, X-Content-Type-Options
- https://techwithnikola.com/app/interview/ — HSTS, CSP, X-Content-Type-Options
- https://techwithnikola.com/app/interview/preview/ — HSTS, CSP, X-Content-Type-Options
- https://techwithnikola.com/blog/ — HSTS, CSP, X-Content-Type-Options
- https://techwithnikola.com/blog/ai/how-llms-actually-work/ — HSTS, CSP, X-Content-Type-Options
- https://techwithnikola.com/blog/lets-build-bitcoin/ — CSP, X-Content-Type-Options, HSTS
- https://techwithnikola.com/confirm-subscription/ — HSTS, CSP, X-Content-Type-Options
- https://techwithnikola.com/course/ — HSTS, CSP, X-Content-Type-Options
- https://techwithnikola.com/disclaimer/ — HSTS, CSP, X-Content-Type-Options
- https://techwithnikola.com/login/ — HSTS, CSP, X-Content-Type-Options
- https://techwithnikola.com/newsletter/ — HSTS, CSP, X-Content-Type-Options
- https://techwithnikola.com/newsletter/yt-bf/ — HSTS, CSP, X-Content-Type-Options
- https://techwithnikola.com/privacy-policy/ — HSTS, CSP, X-Content-Type-Options
- https://techwithnikola.com/resources/ — HSTS, CSP, X-Content-Type-Options
- https://techwithnikola.com/resources/blackjack-counting/ — HSTS, CSP, X-Content-Type-Options
- https://techwithnikola.com/terms/ — HSTS, CSP, X-Content-Type-Options
- https://techwithnikola.com/visualizations/astar/ — HSTS, CSP, X-Content-Type-Options
notice Title tag is identical to the H1 (missed keyword variation)
Rule title.same_as_h1 · Titles · 1 occurrence(s)
- https://techwithnikola.com/ — the <title> and the H1 are identical — differentiate them to cover more query variation
notice Missing Twitter Card tag
Rule twitter.missing · Social · 44 occurrence(s)
- https://techwithnikola.com/
- https://techwithnikola.com/about/
- https://techwithnikola.com/app/
- https://techwithnikola.com/app/course/introduction-to-algorithms/
- https://techwithnikola.com/app/course/introduction-to-algorithms/intro/how-each-lesson-works/
- https://techwithnikola.com/app/course/introduction-to-algorithms/intro/how-this-course-is-structured/
- https://techwithnikola.com/app/course/introduction-to-algorithms/intro/what-youll-be-able-to-do/
- https://techwithnikola.com/app/course/introduction-to-algorithms/intro/who-is-this-course-for/
- https://techwithnikola.com/app/course/introduction-to-algorithms/intro/why-study-algorithms/
- https://techwithnikola.com/app/interview/
- https://techwithnikola.com/app/interview/preview/
- https://techwithnikola.com/app/interview/session/
- https://techwithnikola.com/blog/
- https://techwithnikola.com/blog/lets-build-bitcoin/
- https://techwithnikola.com/confirm-subscription/
- https://techwithnikola.com/course/
- https://techwithnikola.com/disclaimer/
- https://techwithnikola.com/login/
- https://techwithnikola.com/newsletter/
- https://techwithnikola.com/newsletter/yt-bf/
- https://techwithnikola.com/privacy-policy/
- https://techwithnikola.com/resources/
- https://techwithnikola.com/resources/blackjack-counting/
- https://techwithnikola.com/terms/
- https://techwithnikola.com/visualizations/astar/
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