numberphile.com
🖥 Status: up
🕒 Response Time: 0.216 sec
⬅️ Response Code: 200
In the time frame of 1 058 days from January 23, 2023, the report indicates numberphile.com passed 13 accessibility tests. Operating successfully 13 times in all tests, numberphile.com's last recorded uptime on June 6, 2025, returned a code 200. During the tests, no periods of unavailability were detected for numberphile.com as of December 17, 2025. As per the received responses, no errors were found in any of the replies as of December 17, 2025. With an average of 0.394 seconds, numberphile.com had a 0.216 seconds response time on June 6, 2025.
13
Last Updated: June 6, 2025
anglo-chinese.com
Last Updated: November 16, 2025
Status: up
Response Time: 0.905 sec
Response Code: 200
myclinic.ne.jp
Last Updated: November 19, 2025
Status: error
Response Time: 0.481 sec
Response Code: 403
fitchratings.com
Last Updated: November 7, 2025
Status: up
Response Time: 1.408 sec
Response Code: 200
| China | 100.00% | ||||||||
| 08:03 | |||||||||
Different Extensions
Search Results
| Site | Total Checks | Last Modified |
|---|---|---|
| 3 | August 17, 2022 | |
| 1 | March 11, 2023 | |
| 13 | January 23, 2023 | |
| 1 | December 17, 2025 | |
| 9 | November 18, 2024 |
Fitchratings.com | Numberphile.com | ||||
|---|---|---|---|---|---|
| Page Title | Diversify your keyword strategy within the title by incorporating synonyms and related phrases to enhance semantic relevance for your target audience and potentially capture a broader spectrum of search queries effectively. |
|---|---|
| Numberphile Length: 11 characters | |
| Meta Description | When optimizing meta tags, ensure they provide an accurate summary for users, incorporate primary keywords naturally, and are unique across different pages to prevent duplicate content issues and improve overall site ranking. |
| no meta description data for numberphile.com 2025-12-17T13:01:24+00:00 | |
| Meta Keywords | Focusing exclusively on optimizing the meta keywords tag provides negligible SEO benefits; holistic optimization encompassing all aspects of your website yields significantly better results. |
| no meta keywords data for numberphile.com 2025-12-17T13:01:24+00:00 | |
| Page Content | Utilize long-tail keywords, which are more specific, longer phrases with lower search volume but higher conversion potential, within your page content to target niche audiences with particular needs or questions. |
| Web Page Content Length: 59431 characters | |
| H1 Heading | Aesthetically, while the visual styling of H1 elements can be customized via CSS, their semantic role as defined by HTML should not be compromised, ensuring search engines can still correctly identify and interpret your page's main heading structure and content hierarchy. |
| no h1 heading data for numberphile.com 2025-12-17T13:01:24+00:00 | |
| H2 Headings | Using descriptive H2 headers instead of generic phrases like 'Introduction' allows for more precise on-page SEO targeting, helping search engines match your content with user queries more accurately and improving rankings. |
| Hello there. Nov 10 Indian Calculus Nov 9 PODCAST: Making Math Videos in Ukraine - with Sashko Olenchenko Nov 3 Schur Numbers Oct 22 Ordinal Numbers Oct 15 The Anti-Knight Killer Sudoku Oct 2 The Raffle Function Sep 24 The Joy of Harshad Numbers Sep 10 Lord of the Commutative Rings Aug 29 PODCAST: Everything You Wanted To Know About Numberphile - with Brady Haran Aug 21 Subcubic Graphic Numbers Aug 1 The Holey Monster Jul 22 Treasure Trove (Zeeman Medal Lecture by Brady Haran) Jul 15 PODCAST: The Indecisive Statistics Professor - with Chris Oates Jul 9 Big Daddy of Infinite Integrals Jul 2 The Stein Paradox Jun 22 The 9-sided Enneahedron Jun 17 Simple equation behaves weirdly May 16 A Problem with Infinite Hotel Keys Count: 19 heading tag | |
| H3 Headings | Analyze your competitors' use of H3 tags within similar content; identify gaps where you can offer more detailed, keyword-rich subheadings for better visibility. |
| no h3 headings data for numberphile.com 2025-12-17T13:01:24+00:00 | |
| H4 Headings | Overusing multiple consecutive H4 headers without the context of an H3 parent header can confuse both users and search engines; maintaining a logical header hierarchy from H1 down to H6 ensures the page content is properly structured and easily understood. |
| no h4 headings data for numberphile.com 2025-12-17T13:01:24+00:00 | |
| H5-H6 Headings | Detailed H5 and H6 headings help users quickly identify the specific value proposition within dense sections, boosting dwell time and potentially improving ranking signals. |
| no h5-h6 headings data for numberphile.com 2025-12-17T13:01:24+00:00 | |
| Image ALT Attributes | Focusing purely on stuffing keywords into alt text without regard for accuracy or relevance is a common mistake, often leading to penalization by search engines and frustration for users. |
| https://images.squarespace-cdn.com/content/v1/5b2cf993266c07b1ca7a812f/1529700791525-ZQSCV05XWJJI11B08VFJ/pi_circle.png Count: 1 images with ALT attributes | |
| Robots.txt | Consider using the `Crawl-delay` directive (where supported by search engines) to control the frequency of crawler requests, potentially improving crawl efficiency and reducing server load during peak times. |
| file robots.txt was found on the website | |
| XML Sitemap | Your website's XML sitemap should include all critical pages and exclude unnecessary ones; this targeted approach helps search engines manage resources effectively, focusing on indexing your most valuable content and improving your SEO impact. |
| https://www.numberphile.com/sitemap.xml available for crawling | |
| Page Size | Faster loading pages contribute to lower bounce rates and higher conversion rates; reducing the size of your HTML documents is a direct strategy to combat slow page load times on both desktop and mobile devices. |
| page size: 58 kb | |
| Response Time | Achieve superior user engagement and SEO authority by consistently delivering sub-second Time To First Byte (TTFB) response times through server-side optimization, efficient backend scripting, and leveraging solid-state drives for database storage. |
| response time: 0.394 sec | |
| Minify CSS | Optimize your site's Core Web Vitals scores and overall performance by rigorously applying CSS minification, which effectively trims down file sizes through the systematic removal of all formatting, comments, and redundant code, resulting in quicker rendering and better user experience. |
| Minified: https://definitions.sqspcdn.com/website-component-definition/static-assets/website.components.spacer/85ebd23f-fad1-4511-a5cf-c5ccac0c84ce_300/website.components.spacer.styles.css https://static1.squarespace.com/static/sitecss/5b2cf993266c07b1ca7a812f/85/54d3906fe4b04c1c9981b00e/5b2cf993266c07b1ca7a8144/4947/site.css Unminified: https://fonts.googleapis.com/css2?family=Lato:ital,wght@0,300;0,400;0,700;1,400;1,700 included in the page | |
| Minify JavaScript | Minifying JavaScript code, through the precise removal of all whitespace, comments, and redundant semicolons where safe, is a fundamental website optimization task; this practice yields substantial file size reductions, directly contributing to faster loading pages, which is recognized by search engines as a positive ranking signal. |
| Minified: //use.typekit.net/ik/wOhb3LyR1gM3rhsQVmlunp501SLkf6TSiHsCMa70-ItfenJffFHN4UJLFRbh52jhWDmKwcFc5QqDwRjhjDMajRBRjQiy52IkZy7YMPG0d1mljcmkSeyTde90SaBujW48Sagyjh90jhNlOeUzjhBC-eNDifU0iAuKZW43-e8CZPoRdhXCd1mljcmkSeyTde90SaBujW48Sagyjh90jhNlOYiaiko0iAuKZW43-e8CZPoRdhXCiaiaOcoudA48S1gG-AU8O1FUiABkZWF3jAF8OcFzdPJ5-amCiYmk-WFXjPuaZAJKfc4kZA9lShmk-AjK2cUXjkuKdhszdcqlwQSuH6qJN3XbMg6IJMJ7fbKapsMgeMb6MKGHfw7TMsMgeMS6MKGHf5P3MsMgeMt6MKGHf5H3MsMgegI6MKG4fVvnIMJjgfMfH6qJxKCbMy65JMHbMpY-_itB.js //assets.squarespace.com/@sqs/polyfiller/1.6/legacy.js //assets.squarespace.com/@sqs/polyfiller/1.6/modern.js //assets.squarespace.com/universal/scripts-compressed/extract-css-runtime-a784df617a1405a8-min.en-US.js //assets.squarespace.com/universal/scripts-compressed/cldr-resource-pack-22ed584d99d9b83d-min.en-US.js //assets.squarespace.com/universal/scripts-compressed/common-vendors-stable-fbd854d40b0804b7-min.en-US.js //assets.squarespace.com/universal/scripts-compressed/common-vendors-f610c209c02bc789-min.en-US.js //assets.squarespace.com/universal/scripts-compressed/common-5718d1aa7fab814f-min.en-US.js //assets.squarespace.com/universal/scripts-compressed/performance-aa1c884f89ed4a9c-min.en-US.js https://definitions.sqspcdn.com/website-component-definition/static-assets/website.components.spacer/85ebd23f-fad1-4511-a5cf-c5ccac0c84ce_300/website.components.spacer.visitor.js https://static1.squarespace.com/static/ta/54d39057e4b01a0da310c80f/4947/scripts/site-bundle.js Unminified: //assets.squarespace.com/universal/scripts-compressed/extract-css-moment-js-vendor-6f2a1f6ec9a41489-min.en-US.js detected during site scan | |
| Structured Data | While no longer a direct ranking factor, schema markup's impact on click-through rates (CTRs) and rich results eligibility makes it a highly effective SEO tactic for modern websites seeking visibility. |
| no structured data data for numberphile.com 2025-12-17T13:01:24+00:00 | |
| CDN Usage | Employ your CDN's efficient compression settings and appropriate cache rules to drastically cut down latency and bandwidth consumption for static assets, boosting site speed scores vital for SEO. |
| content is delivered via CDN | |
| SSL certificates | Technical SEO audits should include verifying that all website assets, including favicons and embedded content, are loaded securely over HTTPS after installing a new SSL certificate to prevent content delivery errors. |
| SSL is enabled on the website |