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
- T Site Status Rank
- 128 578
- 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 |
Fairvote.org | Refractiveindex.info | ||||
|---|---|---|---|---|---|
General SEO Report
| Page Title | Page Title tips for refractiveindex.info: Avoid creating deceptive title tags that mislead users about the page's true content, eroding user trust while potentially inviting manual penalties for showcasing unnatural keyword usage and low-value copy that aggressively attempts to extract user action |
|---|---|
| RefractiveIndex.INFO - Refractive index database Length: 48 characters | |
| Meta Description | Meta Description tips for refractiveindex.info: Natural inclusion of primary keywords within the meta description helps search engines understand topical relevance and improves accessibility, especially when layered within informationally rich, benefit-focused sentences relevant to user searches. |
| no meta description data for refractiveindex.info 2026-08-14T08:03:42+00:00 | |
| Meta Keywords | Meta Keywords tips for refractiveindex.info: The era of meta keywords dictating search rankings has passed; today's focus lies solely on providing excellent user experiences and valuable information. |
| no meta keywords data for refractiveindex.info 2026-08-14T08:03:42+00:00 | |
| Page Content | Page Content tips for refractiveindex.info: Develop a comprehensive content strategy focused on creating unique, high-quality page content that thoroughly addresses specific user intent for each target keyword cluster and question, thereby dominating search results. |
| Web Page Content Length: 36112 characters | |
| H1 Heading | H1 Heading tips for refractiveindex.info: The main H1 header significantly influences how users perceive the relevance and credibility of your website; a clear, focused H1 builds trust and immediately informs visitors about the page topic. |
| RefractiveIndex.INFO Count: 1 heading tag | |
| H2 Headings | H2 Headings tips for refractiveindex.info: A well-structured H2 header improves click-through rates by accurately reflecting the content below it, helping to match user search intent and reduce bounce rates effectively. |
| 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: Use H3 tags consistently throughout your content to reinforce content organization, enhance readability for both users and search engines, and signal topical relevance effectively. |
| 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: Incorporate descriptive and keyword-rich H4 tags that precisely define the topic of the subsection they preface, enhancing both content relevance and semantic HTML structure. |
| 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: Accessibility standards demand that H5-H6 headers are used correctly to ensure consistent heading structure for screen reader users navigating your content. |
| no h5-h6 headings data for refractiveindex.info 2026-08-14T08:03:42+00:00 | |
| Image ALT Attributes | Image ALT Attributes tips for refractiveindex.info: For complex visuals or charts, the ALT text should summarize the key data or purpose of the graphic, allowing users without visual access to quickly assess its relevance to their search or task. |
| no image alt attributes data for refractiveindex.info 2026-08-14T08:03:42+00:00 | |
| Robots.txt | Robots.txt tips for refractiveindex.info: Respect the rules set within the robots.txt file for verifying content availability and indexing status during site reindexation processes for better SEO. |
| file robots.txt was found on the website | |
| XML Sitemap | XML Sitemap tips for refractiveindex.info: An XML sitemap acts as a vital communication tool between your website and search engines, explicitly signaling which URLs are most important, their update frequency, and providing context for crawl budget allocation, thereby enhancing the site's visibility. |
| no xml sitemap data for refractiveindex.info 2026-08-14T08:03:42+00:00 | |
| Page Size | Page Size tips for refractiveindex.info: Large page sizes negatively impact Core Web Vitals metrics like Largest Contentful Paint and Cumulative Layout Shift, so focus on efficient resource loading techniques to keep the total transfer size small. |
| page size: 35 kb | |
| Response Time | Response Time tips for refractiveindex.info: Page load speed is often determined by server-side response times; optimize your application code for reduced CPU usage, use a Content Delivery Network (CDN) to serve assets closer to the user, and leverage opcode caching to lower the overall response delay for search engines. |
| response time: 1.116 sec | |
| Minify CSS | Minify CSS tips for refractiveindex.info: Cloudflare's minification service as part of its platform cache operation automatically compresses CSS on the edge, provisioned using the Cache-By header, benefiting websites using their platform. |
| 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: By measuring the precise file size reduction achieved through minification, you can strategically prioritize which JavaScript libraries need rebuilding or minifying to maximize SEO benefits. |
| 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: Structured data markup accuracy fundamentally impacts Search Engine Optimization (SEO) effectiveness, ensuring that search engines correctly display content in search results. |
| no structured data data for refractiveindex.info 2026-08-14T08:03:42+00:00 | |
| CDN Usage | CDN Usage tips for refractiveindex.info: While CDNs are typically cost-effective for static resources, dynamically rendered content faces performance challenges, requiring additional techniques for optimization targeting. |
| content is delivered via CDN | |
| SSL certificates | SSL certificates tips for refractiveindex.info: Enhance your website's credibility and security posture by deploying a robust SSL certificate and fully implementing HTTPS across all assets and subdomains, a practice recognized by search engines like Google as contributing positively to website rankings and user engagement. |
| SSL is enabled on the website |
Estimated Traffic
| Minimum Daily Unique Visitors: | 12 880 |
| Minimum Daily Visits: | 15 052 |
| Minimum Daily Page Views: | 25 915 |
| Minimum Monthly Unique Visitors: | 386 400 |
| Minimum Monthly Visits: | 451 560 |
| Minimum Monthly Page Views: | 777 450 |
| Minimum Yearly Unique Visitors: | 4 636 800 |
| Minimum Yearly Visits: | 5 418 720 |
| Minimum Yearly Page Views: | 9 329 400 |
| Maximum Daily Unique Visitors: | 16 294 |
| Maximum Daily Visits: | 17 380 |
| Maximum Daily Page Views: | 29 329 |
| Maximum Monthly Unique Visitors: | 488 820 |
| Maximum Monthly Visits: | 521 400 |
| Maximum Monthly Page Views: | 879 870 |
| Maximum Yearly Unique Visitors: | 5 865 840 |
| Maximum Yearly Visits: | 6 256 800 |
| Maximum Yearly Page Views: | 10 558 440 |
Estimated Valuation
| Daily Revenue: | US$ 19 - 42 |
| Monthly Revenue: | US$ 570 - 1 260 |
| Yearly Revenue: | US$ 6 840 - 15 120 |
Estimated Worth
| Minimum: | US$ 10 260 |
| Maximum: | US$ 45 360 |
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