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.
| 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 |
Lambox.ru | Refractiveindex.info | ||||
|---|---|---|---|---|---|
| Page Title | Page Title tips for refractiveindex.info: Positioning your main search phrase near the beginning of the title text box ensures website visibility during crucial searches and gives immediate SEO signals to crawlers, making keyword density near the front a powerful, undeniably effective SEO signaling tactic alongside keeping the title content tight under 60 characters for best performance measurement |
|---|---|
| RefractiveIndex.INFO - Refractive index database Length: 48 characters | |
| Meta Description | Meta Description tips for refractiveindex.info: When creating compelling meta descriptions, integrate important keywords seamlessly without resorting to unnatural keyword stuffing, a technique disliked by search engines and leading to significant lower click-through rates. |
| no meta description data for refractiveindex.info 2026-08-14T21:26:49+00:00 | |
| Meta Keywords | Meta Keywords tips for refractiveindex.info: The introduction of XML sitemaps and rich snippets, coupled with the phasing out of meta keywords, points definitively that search engines prioritize structured data and contextual relevance over keyword-rich HTML tags. |
| no meta keywords data for refractiveindex.info 2026-08-14T21:26:49+00:00 | |
| Page Content | Page Content tips for refractiveindex.info: Consistently analyze and incorporate insights from deciphering competitors' page content to formulate unique, valuable information that distinctly differentiates your online property, leading to superior rankings. |
| Web Page Content Length: 36112 characters | |
| H1 Heading | H1 Heading tips for refractiveindex.info: Monitoring the effectiveness of your h1 header strategy involves analyzing click-through rates from search engine results pages, understanding how users interpret the headline before deciding to visit your webpage for more detailed information. |
| RefractiveIndex.INFO Count: 1 heading tag | |
| H2 Headings | H2 Headings tips for refractiveindex.info: Using keyword variations consistently throughout strategic H2 headers strengthens content topical relevance while signaling to specific ranking factors, such as user dwell time and engagement metrics 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: Refrain from creatively seeing H3 headers as mere first-level paragraph tags, understanding their fundamental purpose as distinct organizational markers signaling topic shifts crucial for user navigation, authority establishment, and adaptation to semantic text ranking signals. |
| 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: Creating detailed section outlines using H4 headers helps content creators and SEO specialists map out page structure efficiently before extensive writing begins, saving time and improving quality. |
| 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: Consider H5 subheadings to further segment a 'Key Considerations' section under an H4 main heading, offering detailed guidance for that specific area and highlighting relevant sub-topics. |
| no h5-h6 headings data for refractiveindex.info 2026-08-14T21:26:49+00:00 | |
| Image ALT Attributes | Image ALT Attributes tips for refractiveindex.info: For visually complex charts, graphs, or infographics, write an ALT description that summarizes the data presented and the main visual takeaway for users relying on screen readers, aiding both comprehension and SEO. |
| no image alt attributes data for refractiveindex.info 2026-08-14T21:26:49+00:00 | |
| Robots.txt | Robots.txt tips for refractiveindex.info: Incorrect use of wildcards or regex patterns in robots.txt, especially those that are overly broad, can lead crawlers to index endless permutations of URLs never intended for search visibility, significantly impacting crawl efficiency and site performance metrics for essential marketing pages or commercial content accessible across various devices and screen sizes. |
| file robots.txt was found on the website | |
| XML Sitemap | XML Sitemap tips for refractiveindex.info: Building a comprehensive XML sitemap of your website involves meticulous mapping of every asset, submission to relevant search engines, and regular crawl checks using Google Search Console. |
| no xml sitemap data for refractiveindex.info 2026-08-14T21:26:49+00:00 | |
| Page Size | Page Size tips for refractiveindex.info: Consistent optimization focused on diminishing page size yields a crucial element of Core Web Vitals success, establishing a strong foundation that supports other enhancements effectively. |
| page size: 35 kb | |
| Response Time | Response Time tips for refractiveindex.info: Employ server-side encryption or compression thoughtfully; while enhancing security or saving bandwidth, improper configuration can sometimes introduce unexpected overhead slowing response time slightly. |
| response time: 1.116 sec | |
| Minify CSS | Minify CSS tips for refractiveindex.info: Thoroughly benchmark CSS minification techniques against multiple popular web performance metrics before committing to a particular solution for your internal development team's code repository management workflow requirements |
| 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: The process of generating minified JavaScript might introduce hard-to-detect bugs; test carefully after enabling optimization or deploying smaller files with relevant user datasets before full SEO campaign impact assessment. |
| 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: Successful SEO frameworks systematically prioritize schema markup integration for maximum benefit; detailed Website schema, when properly implemented, can transform the search engine's view by detailing contact information, business operating physical addresses and hours of operations, enabling precise local search results optimization that distinguishes your website fundamentally from generic organic listings. |
| no structured data data for refractiveindex.info 2026-08-14T21:26:49+00:00 | |
| CDN Usage | CDN Usage tips for refractiveindex.info: Ensure users always benefit from the latest web design trends and feature updates by configuring your CDN appropriately, serving static assets efficiently while backend APIs handle the dynamic implementation logic. |
| content is delivered via CDN | |
| SSL certificates | SSL certificates tips for refractiveindex.info: SSL implementation is a critical security measure blocking various types of attacks, including man-in-the-middle exploits, session hijacking, and eavesdropping, safeguarding both your customers' information and the integrity of your online brand reputation. |
| SSL is enabled on the website |
| Minimum Daily Unique Visitors: | 4 557 |
| Minimum Daily Visits: | 5 325 |
| Minimum Daily Page Views: | 9 168 |
| Minimum Monthly Unique Visitors: | 136 710 |
| Minimum Monthly Visits: | 159 750 |
| Minimum Monthly Page Views: | 275 040 |
| Minimum Yearly Unique Visitors: | 1 640 520 |
| Minimum Yearly Visits: | 1 917 000 |
| Minimum Yearly Page Views: | 3 300 480 |
| Maximum Daily Unique Visitors: | 5 765 |
| Maximum Daily Visits: | 6 149 |
| Maximum Daily Page Views: | 10 376 |
| Maximum Monthly Unique Visitors: | 172 950 |
| Maximum Monthly Visits: | 184 470 |
| Maximum Monthly Page Views: | 311 280 |
| Maximum Yearly Unique Visitors: | 2 075 400 |
| Maximum Yearly Visits: | 2 213 640 |
| Maximum Yearly Page Views: | 3 735 360 |
| Daily Revenue: | US$ 7 - 15 |
| Monthly Revenue: | US$ 210 - 450 |
| Yearly Revenue: | US$ 2 520 - 5 400 |
| Minimum: | US$ 3 780 |
| Maximum: | US$ 16 200 |
| Rank | Points | |
|---|---|---|
| 155 955 | 4 045 412 | |
| 155 956 | 4 045 412 | |
| 155 957 | 4 045 412 | |
| 155 958 | 4 045 411 | |
| 155 959 | 4 045 411 | |
| 155 960 | 4 045 411 | |
| 155 961 | 4 045 410 | |
| 155 962 | 4 045 410 | |
| 155 963 | 4 045 410 | |
| 155 964 | 4 045 410 | |
| 155 965 | 4 045 409 |