refractiveindex.info
🖥 Status: up
🕒 Response Time: 1.028 sec
⬅️ Response Code: 200
Looking at the records, refractiveindex.info was tested for operability 26 times over the 1 776 days starting October 2, 2021. Refractiveindex.info was up 26 times during the course of the testing, with the most recent uptime occurring on June 30, 2026, responding with a code 200. No instances of inaccessibility incidents were found for refractiveindex.info through all tests as of August 14, 2026. As of August 14, 2026, it's confirmed that none of the received responses contain error statuses. Refractiveindex.info's average 1.116 seconds response time contrasted with its 1.028 seconds time on June 30, 2026.
26
Last Updated: June 30, 2026
Refractiveindex overview
- Domain
- refractiveindex.info
- Title
- RefractiveIndex.INFO - Refractive index database
- Main Topic
- RefractiveIndex.INFO
- I Site Status Rank
- 95 226
- Search Wikipedia
- refractiveindex.info
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Refractiveindex.info
status check request map as of August 14, 2026
Country report for refractiveindex.info as of August 14, 2026
| Other Countries | 100.00% | ||||||||
| 05:34 | |||||||||
| Site | Total Checks | Last Modified |
|---|---|---|
| 1 | August 14, 2026 | |
| 53 | February 6, 2021 | |
| 26 | October 2, 2021 | |
| 28 | November 15, 2024 | |
| 29 | November 22, 2024 |
Speedtypingonline.com | Refractiveindex.info | ||||
|---|---|---|---|---|---|
General SEO Report
| Page Title | Page Title tips for refractiveindex.info: A well-optimized website title, under the 60-character mark, clearly defines the main topic or service offered on the page, strategically positions high-intent keywords for improved rankings, incorporates brand identity if applicable, and serves as the first impression for potential visitors searching online. |
|---|---|
| RefractiveIndex.INFO - Refractive index database Length: 48 characters | |
| Meta Description | Meta Description tips for refractiveindex.info: Your meta description acts as a direct sales pitch in search results; make the most of it by including your main keywords naturally and keeping it below the 160-character threshold for best results. |
| no meta description data for refractiveindex.info 2026-08-14T07:20:37+00:00 | |
| Meta Keywords | Meta Keywords tips for refractiveindex.info: For modern SEO success, businesses must shift their focus entirely away from meta keyword stuffing tactics and instead prioritize creating high-quality, valuable, and regularly updated on-page content relevant to their target audience's needs and search queries. |
| no meta keywords data for refractiveindex.info 2026-08-14T07:20:37+00:00 | |
| Page Content | Page Content tips for refractiveindex.info: Create compelling page content that stands out by offering unique perspectives, in-depth analysis, and valuable resources not easily found elsewhere, thereby differentiating your website and attracting a dedicated user base seeking specialized knowledge. |
| Web Page Content Length: 36112 characters | |
| H1 Heading | H1 Heading tips for refractiveindex.info: Using a descriptive H1 header on your website's homepage is crucial for search engine optimization, as it immediately signals the primary topic to crawlers and sets the stage for user engagement by clearly stating what the page is about, thereby improving click-through rates from search results. |
| RefractiveIndex.INFO Count: 1 heading tag | |
| H2 Headings | H2 Headings tips for refractiveindex.info: Think of H2 headers as subheadings that guide your reader through your main argument or topic, logically sequencing information and building a clear narrative arc within your content piece. |
| Optical constants of SiO 2 (Silicon dioxide, Silica, Quartz) Malitson 1965: n 0.21–6.7 µm Optical transmission calculator Fresnel reflection calculator Additional information Count: 4 heading tag | |
| H3 Headings | H3 Headings tips for refractiveindex.info: Remember that h3 headers play a crucial role in on-page SEO; ensure they accurately describe the content beneath them, avoiding keyword stuffing or generic placeholders that dilute the semantic value and user intent focus. |
| Complex refractive index ( n+ik) [ i ] Derived optical constants Dispersion formula [ i ] Conditions Comments References Data Sample transmittance and reflectance Reflectance [ i ] Reflection phase [ i ] Brewster's angle [ i ] Critical angle [ i ] [ i ] About Silicon dioxide Count: 13 heading tag | |
| H4 Headings | H4 Headings tips for refractiveindex.info: Ensure your H4 headers are unique and descriptive within the context of the page, providing clear value to the reader about the information contained within the following section. |
| Refractive index [ i ] Extinction coefficient [ i ] Relative permittivity (dielectric constants) [ i ] [ i ] Absorption coefficient [ i ] [ i ] Abbe number [ i ] Chromatic dispersion [ i ] Group index [ i ] [ i ] Group velocity dispersion [ i ] [ i ] [ i ] Transmittance of a freestanding sample in vacuum Reflectance of a freestanding sample in vacuum P-polarized S-polarized Non-polarized ( Rp+Rs )/2 Count: 13 heading tag | |
| H5-H6 Headings | H5-H6 Headings tips for refractiveindex.info: Employing H5 and H6 headers consistently for specific, recurring content elements like contact information blocks, social media links, or fine print can improve overall page organization and user experience (UX), indirectly supporting SEO |
| no h5-h6 headings data for refractiveindex.info 2026-08-14T07:20:37+00:00 | |
| Image ALT Attributes | Image ALT Attributes tips for refractiveindex.info: Always include descriptive ALT text that accurately explains the image content for accessibility and SEO, ensuring visually impaired users grasp the visual information presented and improving search engine understanding of the page's topic. |
| no image alt attributes data for refractiveindex.info 2026-08-14T07:20:37+00:00 | |
| Robots.txt | Robots.txt tips for refractiveindex.info: The robots.txt file syntax must be meticulously correct, avoiding trailing slashes inconsistently or typos in path specifications, as any parsing errors can lead to unintended blocking of crucial pages by search engine crawlers, resulting in lost visibility. |
| file robots.txt was found on the website | |
| XML Sitemap | XML Sitemap tips for refractiveindex.info: The XML sitemap protocol provides a standardized format for submitting URLs to major search engines like Google, Bing, and Yahoo, facilitating efficient crawl budget allocation and prioritizing the indexing of important website pages. |
| no xml sitemap data for refractiveindex.info 2026-08-14T07:20:37+00:00 | |
| Page Size | Page Size tips for refractiveindex.info: Reducing the page size isn't just about technical efficiency; it's a critical aspect of ensuring your content is immediately accessible, readable, and engaging upon a visitor's arrival. |
| page size: 35 kb | |
| Response Time | Response Time tips for refractiveindex.info: For dynamic content-heavy sites, server-side rendering (SSR) or static site generation (SSG) can drastically cut initial page load response times by delivering pre-rendered HTML faster to the user's browser, enhancing SEO. |
| response time: 1.116 sec | |
| Minify CSS | Minify CSS tips for refractiveindex.info: Consider enabling CSS compression as an automated process during deployment to eliminate all unnecessary whitespace characters, line breaks, and comments from your CSS code, which directly translates to faster download times and better Core Web Vitals metrics for SEO. |
| Minified: styles.css include/lib/colorbox-1.6.4/example1/colorbox.css Unminified: https://fonts.googleapis.com/css?family=Reenie+Beanie included in the page | |
| Minify JavaScript | Minify JavaScript tips for refractiveindex.info: Combine minification strategies with other performance optimizations like image compression, leveraging browser caching, and efficient CSS practices for a comprehensive approach to improving your website's speed and ranking. |
| Minified: https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js?client=ca-pub-1620426998131226 https://cse.google.com/cse.js?cx=partner-pub-1620426998131226:sviha2837g5 include/lib/Highcharts-5.0.14/code/highcharts.js include/lib/Highcharts-5.0.14/code/modules/exporting.js include/lib/Highcharts-5.0.14/code/modules/export-data.js https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.7/MathJax.js?config=TeX-AMS_HTML include/lib/jquery-3.1.1.min.js include/lib/colorbox-1.6.4/jquery.colorbox-min.js include/misc.js?ver=2025-01-11 include/complex.js?ver=2025-01-11 include/nk.js?ver=2020-01-11 include/reflection.js?ver=2025-01-11 include/transmission.js?ver=2025-08-14 https://www.statcounter.com/counter/counter.js detected during site scan | |
| Structured Data | Structured Data tips for refractiveindex.info: For e-commerce success, schema markup for products and reviews is not optional, but essential for driving visibility, providing rich snippets that entice clicks, and ultimately boosting online sales performance. |
| no structured data data for refractiveindex.info 2026-08-14T07:20:37+00:00 | |
| CDN Usage | CDN Usage tips for refractiveindex.info: When implementing a CDN, prioritize selecting a provider with robust performance metrics, strong security protocols, and comprehensive analytics reporting tools. Careful evaluation of these factors ensures optimal delivery speeds, minimizes potential downtime, and provides detailed insights needed for informed SEO strategy adjustments. |
| content is delivered via CDN | |
| SSL certificates | SSL certificates tips for refractiveindex.info: Modern SEO best practices universally recommend HTTPS adoption, as Google explicitly states that security is a ranking factor influencing both mobile and desktop search results; securing your website with a trusted SSL certificate ensures your pages are crawled and indexed as 'secure', boosting your visibility in the search engine results pages. |
| SSL is enabled on the website |
Estimated Traffic
| Minimum Daily Unique Visitors: | 9 539 |
| Minimum Daily Visits: | 11 148 |
| Minimum Daily Page Views: | 19 193 |
| Minimum Monthly Unique Visitors: | 286 170 |
| Minimum Monthly Visits: | 334 440 |
| Minimum Monthly Page Views: | 575 790 |
| Minimum Yearly Unique Visitors: | 3 434 040 |
| Minimum Yearly Visits: | 4 013 280 |
| Minimum Yearly Page Views: | 6 909 480 |
| Maximum Daily Unique Visitors: | 12 068 |
| Maximum Daily Visits: | 12 872 |
| Maximum Daily Page Views: | 21 722 |
| Maximum Monthly Unique Visitors: | 362 040 |
| Maximum Monthly Visits: | 386 160 |
| Maximum Monthly Page Views: | 651 660 |
| Maximum Yearly Unique Visitors: | 4 344 480 |
| Maximum Yearly Visits: | 4 633 920 |
| Maximum Yearly Page Views: | 7 819 920 |
Estimated Valuation
| Daily Revenue: | US$ 14 - 31 |
| Monthly Revenue: | US$ 420 - 930 |
| Yearly Revenue: | US$ 5 040 - 11 160 |
Estimated Worth
| Minimum: | US$ 7 560 |
| Maximum: | US$ 33 480 |
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