spek.cc
🖥 Status: up
🕒 Response Time: 0.067 sec
⬅️ Response Code: 200
24 times in the last 1 959 days, from April 3, 2021, to the present, spek.cc's accessibility has been checked. Tests reveal 24 uptimes of spek.cc, on July 15, 2026, the latest check got a code 200 in response, proving it was accessible. No downtime occurrences were observed for spek.cc during inspections conducted as of August 14, 2026. There are no error statuses in any response as per the confirmation as of August 14, 2026. On July 15, 2026, spek.cc had a recorded response time of 0.067 seconds and an average response time of 0.189 seconds.
24
Last Updated: July 15, 2026
Spek overview
- Domain
- spek.cc
- Title
- Spek — Acoustic spectrum analyser | Alexander Kojevnikov | Substack
- Description
- Free / open source spectrogram viewer available for GNU/Linux, Windows and macOS. Click to read Spek — Acoustic spectrum analyser, by Alexander Kojevnikov, a Substack publication with tens of thousands of subscribers.
- Main Topic
- Spek — Acoustic spectrum analyser
Spek updates: Debian, Windows, macOS
Spek status update
Faster Fast Fourier Transform
Spek 0.8.0 Released
Spek and Lion - K Site Status Rank
- 191 353
- Search Wikipedia
- spek.cc
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Spek.cc
status check request map as of August 14, 2026
Country report for spek.cc as of August 14, 2026
| United States | 100.00% | ||||||||
| 23:16 | |||||||||
| Site | Total Checks | Last Modified |
|---|---|---|
| 35 | June 25, 2024 | |
| 27 | April 12, 2023 | |
| 24 | April 3, 2021 | |
| 13 | September 29, 2021 | |
| 20 | January 9, 2025 |
Brickfinder.net | Spek.cc | ||||
|---|---|---|---|---|---|
General SEO Report
| Page Title | Page Title tips for spek.cc: Consider "Compare Car Insurance Quotes from Top Providers in the UK - Get Instant Coverage & Save Money Online" as a title example, demonstrating keyword placement for 'Car Insurance Quotes,' emphasizing the comparison aspect to build trust and showing the benefit of 'Instant Coverage' and 'Save Money' for better user conversion rates. |
|---|---|
| Spek — Acoustic spectrum analyser | Alexander Kojevnikov | Substack Length: 73 characters | |
| Meta Description | Meta Description tips for spek.cc: Remember that meta descriptions are displayed prominently in search results, so invest time in writing persuasive, concise summaries incorporating your key search terms and primary keyword to capture relevant user attention. |
| Free / open source spectrogram viewer available for GNU/Linux, Windows and macOS. Click to read Spek — Acoustic spectrum analyser, by Alexander Kojevnikov, a Substack publication with tens of thousands of subscribers. Length: 223 characters | |
| Meta Keywords | Meta Keywords tips for spek.cc: The era of optimizing a separate meta keywords tag for improved search visibility has passed; today's algorithms value context and user experience far more than the specific words listed in HTML code for keyword targeting. |
| no meta keywords data for spek.cc 2026-08-14T14:27:08+00:00 | |
| Page Content | Page Content tips for spek.cc: Develop unique and valuable page content that not only answers users' questions directly but also provides deeper context, actionable advice, and fresh perspectives, establishing your site as a go-to resource within your niche. |
| Web Page Content Length: 89537 characters | |
| H1 Heading | H1 Heading tips for spek.cc: Implementing a unique and descriptive H1 tag is fundamental for on-page SEO, as it directly informs search engines of a page's primary content focus and significantly enhances the user's first impression and content comprehension. |
| Spek — Acoustic spectrum analyser Spek updates: Debian, Windows, macOS Spek status update Faster Fast Fourier Transform Spek 0.8.0 Released Spek and Lion Count: 6 heading tag | |
| H2 Headings | H2 Headings tips for spek.cc: H2 subheadings help reinforce your main message by segmenting information, making complex subjects easier to digest and retaining reader attention throughout the article. |
| no h2 headings data for spek.cc 2026-08-14T14:27:08+00:00 | |
| H3 Headings | H3 Headings tips for spek.cc: An H3 header should concisely summarize the main idea of the paragraph that follows, providing immediate context and improving readability significantly for website visitors. |
| January 2023 Count: 1 heading tag | |
| H4 Headings | H4 Headings tips for spek.cc: When optimizing your website's content structure, remember that H4 headers (and lower level headers) are key elements that should complement the main H1 title and the primary H2 headings for a comprehensive SEO strategy focused on content quality. |
| no h4 headings data for spek.cc 2026-08-14T14:27:08+00:00 | |
| H5-H6 Headings | H5-H6 Headings tips for spek.cc: Search engine bots rely on header tags to understand content organization. Using H5 and H6 correctly helps them categorize information efficiently, potentially improving ranking relevance. |
| no h5-h6 headings data for spek.cc 2026-08-14T14:27:08+00:00 | |
| Image ALT Attributes | Image ALT Attributes tips for spek.cc: For accessibility, remember to describe the essential function or content of graphical elements using ALT attributes, allowing screen reader users to accurately interpret the purpose of each image within your website layout. |
| https://substackcdn.com/image/fetch/$s_!CpZR!,w_80,h_80,c_fill,f_auto,q_auto:good,fl_progressive:steep,g_auto/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F23e586c3-e558-49a9-8306-4fcf6353bcd3_1024x1024.png https://substackcdn.com/image/fetch/$s_!BEkB!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F87fd2840-4ee7-492e-b15f-38a384a56a4c_724x590.png https://substackcdn.com/image/fetch/$s_!W2xd!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F4c1d6736-ac72-47b0-93f7-ec7e956c7fd5_640x264.png https://substackcdn.com/image/fetch/$s_!nF8C!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fb2b24ddf-bb14-4bd5-afcb-25a54adb6f13_320x146.png Count: 4 images with ALT attributes | |
| Robots.txt | Robots.txt tips for spek.cc: Implementing a robots.txt file is a foundational SEO practice, allowing website owners to control crawl budget distribution and prevent search engine bots from wasting resources on less important parts of their site. |
| file robots.txt was found on the website | |
| XML Sitemap | XML Sitemap tips for spek.cc: Always validate your submitted XML sitemap against the official specification to avoid errors that might prevent search engines from correctly parsing and utilizing the valuable information contained within, thereby optimizing your website's crawl efficiency. |
| no xml sitemap data for spek.cc 2026-08-14T14:27:08+00:00 | |
| Page Size | Page Size tips for spek.cc: Regularly audit your website's performance using tools like Google Lighthouse or PageSpeed Insights to measure and identify large page sizes, providing actionable insights to prioritize and implement effective optimization strategies tailored to your specific site issues. |
| page size: 87 kb | |
| Response Time | Response Time tips for spek.cc: Faster server response time is crucial for ranking well in search results and retaining visitors; analyze and optimize backend processing, API latency, and server configurations accordingly. |
| response time: 0.189 sec | |
| Minify CSS | Minify CSS tips for spek.cc: Regularly audit and re-minify your CSS codebase, especially after significant changes or updates, to catch any new bloat introduced during development and maintain peak website performance standards. |
| Minified: https://substackcdn.com/bundle/static/css/7276.3fc6a5c9.css https://substackcdn.com/bundle/static/css/8447.474bb763.css https://substackcdn.com/bundle/static/css/3745.b8c40cc4.css https://substackcdn.com/bundle/static/css/9810.5e9ae5fa.css https://substackcdn.com/bundle/static/css/2712.c44b8b48.css https://substackcdn.com/bundle/static/css/6566.eed65ee4.css https://substackcdn.com/bundle/static/css/9431.ca2acfa7.css https://substackcdn.com/bundle/static/css/3928.6f40eed9.css https://substackcdn.com/bundle/static/css/9773.6c44c341.css https://substackcdn.com/bundle/static/css/5608.a4773d73.css https://substackcdn.com/bundle/static/css/9340.51ceaa47.css https://substackcdn.com/bundle/static/css/main.4d345e33.css https://substackcdn.com/bundle/static/css/9340.51ceaa47.css https://substackcdn.com/bundle/static/css/5608.a4773d73.css https://substackcdn.com/bundle/static/css/9773.6c44c341.css https://substackcdn.com/bundle/static/css/3928.6f40eed9.css https://substackcdn.com/bundle/static/css/9431.ca2acfa7.css https://substackcdn.com/bundle/static/css/6566.eed65ee4.css https://substackcdn.com/bundle/static/css/2712.c44b8b48.css https://substackcdn.com/bundle/static/css/9810.5e9ae5fa.css https://substackcdn.com/bundle/static/css/6379.813be60f.css https://substackcdn.com/bundle/theme/main.0aa6df4d07efdeeaf876.css included in the page | |
| Minify JavaScript | Minify JavaScript tips for spek.cc: Implement server-side JavaScript minification where possible to ensure files are delivered in their optimized form immediately; this prevents unnecessary client-side processing and maximizes page load performance, a key factor for good SEO. |
| Minified: https://js.sentry-cdn.com/6c2ff3e3828e4017b7faf7b63e24cdf8.min.js https://cdn.withpersona.com/dist/persona-v4.5.0.js https://substackcdn.com/bundle/static/js/8941.0168381b.js https://substackcdn.com/bundle/static/js/204.1641b70e.js https://substackcdn.com/bundle/static/js/7413.88c0af80.js https://substackcdn.com/bundle/static/js/3441.8be9d984.js https://substackcdn.com/bundle/static/js/7509.90cd0e13.js https://substackcdn.com/bundle/static/js/1178.bd74b55e.js https://substackcdn.com/bundle/static/js/9313.9ba1a092.js https://substackcdn.com/bundle/static/js/7957.817ce496.js https://substackcdn.com/bundle/static/js/3566.0b4fa2b4.js https://substackcdn.com/bundle/static/js/9508.fead282b.js https://substackcdn.com/bundle/static/js/9216.c7dc81d7.js https://substackcdn.com/bundle/static/js/5313.49b52660.js https://substackcdn.com/bundle/static/js/5120.06c22e1c.js https://substackcdn.com/bundle/static/js/3897.91565e34.js https://substackcdn.com/bundle/static/js/6643.cff939e3.js https://substackcdn.com/bundle/static/js/2536.4ec76a84.js https://substackcdn.com/bundle/static/js/4212.df0f0323.js https://substackcdn.com/bundle/static/js/8565.9528f7e3.js https://substackcdn.com/bundle/static/js/3524.068353a8.js https://substackcdn.com/bundle/static/js/2985.08d01665.js https://substackcdn.com/bundle/static/js/2467.9b572715.js https://substackcdn.com/bundle/static/js/2263.bf3789ec.js https://substackcdn.com/bundle/static/js/8189.684e7bc0.js https://substackcdn.com/bundle/static/js/4900.d0eac2a8.js https://substackcdn.com/bundle/static/js/7558.4deda4af.js https://substackcdn.com/bundle/static/js/4768.adc9af21.js and 152 more... detected during site scan | |
| Structured Data | Structured Data tips for spek.cc: Implement Schema.org structured data (typically JSON-LD format) on your website pages to enhance search engine comprehension of your content's specific type, like articles, recipes, or local businesses, unlocking rich snippets and potentially improving click-through rates from search engine results pages. |
| no structured data data for spek.cc 2026-08-14T14:27:08+00:00 | |
| CDN Usage | CDN Usage tips for spek.cc: Reduce latency and increase website reliability under heavy traffic by leveraging a CDN's distributed network of servers to absorb spikes in request volume and distribute the load geographically. |
| content is delivered via CDN | |
| SSL certificates | SSL certificates tips for spek.cc: The SSL certificate authority you choose can impact validation times and potentially affect your ability to showcase the Extended Validation (EV) status, a more rigorous process that yields the strongest trust indicators but is not strictly necessary for fundamental SEO rankings beyond security validation. |
| no ssl certificates data for spek.cc 2026-08-14T14:27:08+00:00 |
Estimated Traffic
| Minimum Daily Unique Visitors: | 2 492 |
| Minimum Daily Visits: | 2 912 |
| Minimum Daily Page Views: | 5 013 |
| Minimum Monthly Unique Visitors: | 74 760 |
| Minimum Monthly Visits: | 87 360 |
| Minimum Monthly Page Views: | 150 390 |
| Minimum Yearly Unique Visitors: | 897 120 |
| Minimum Yearly Visits: | 1 048 320 |
| Minimum Yearly Page Views: | 1 804 680 |
| Maximum Daily Unique Visitors: | 3 152 |
| Maximum Daily Visits: | 3 362 |
| Maximum Daily Page Views: | 5 674 |
| Maximum Monthly Unique Visitors: | 94 560 |
| Maximum Monthly Visits: | 100 860 |
| Maximum Monthly Page Views: | 170 220 |
| Maximum Yearly Unique Visitors: | 1 134 720 |
| Maximum Yearly Visits: | 1 210 320 |
| Maximum Yearly Page Views: | 2 042 640 |
Estimated Valuation
| Daily Revenue: | US$ 4 - 8 |
| Monthly Revenue: | US$ 120 - 240 |
| Yearly Revenue: | US$ 1 440 - 2 880 |
Estimated Worth
| Minimum: | US$ 2 160 |
| Maximum: | US$ 8 640 |
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