nasa.gov
🖥 Status: up
🕒 Response Time: 0.982 sec
⬅️ Response Code: 200
Nasa.gov's availability has been checked 438 times total in the 2 402 day time frame beginning June 12, 2019. With the last time on January 4, 2026, when a code 200 was returned, nasa.gov was up 438 times out of all the checks conducted. No offline periods were found for nasa.gov during inspections carried out as of January 9, 2026. As of January 9, 2026, it has been noted that no error status code has been returned in all responses. Nasa.gov's January 4, 2026, response time of 0.982 seconds contrasted with its average response time of 0.115 seconds.
438
Last Updated: January 4, 2026
queconceito.com.br
Last Updated: December 21, 2025
Status: down
Response Time: — sec
Response Code: —
dominos.com.tr
Last Updated: December 21, 2025
Status: error
Response Time: 0.043 sec
Response Code: 403
nuclearsecrecy.com
Last Updated: January 7, 2026
Status: up
Response Time: 2.559 sec
Response Code: 200
| Other Countries | 50.00% | ||||||||
| United States | 50.00% | ||||||||
| 11:02 | 07:55 | ||||||||
Similar Domains
Search Results
| Site | Total Checks | Last Modified |
|---|---|---|
| 26 | January 26, 2021 | |
| 46 | June 12, 2019 | |
| 438 | June 12, 2019 | |
| 18 | January 26, 2021 | |
| 21 | January 26, 2021 |
Nuclearsecrecy.com | Nasa.gov | ||||
|---|---|---|---|---|---|
| Page Title | Search engines heavily rely on the title tag to understand a page's primary subject matter and ranking factors; therefore, include your most important, high-volume target keywords strategically positioned near the start of the title to maximize relevance signals, maintain title length strictly under 60 characters to avoid truncation penalties, and craft titles that are clear, concise, and highly descriptive of the page's specific content. |
|---|---|
| NASA Length: 4 characters | |
| Meta Description | Although Google often ignores meta descriptions, a well-crafted one significantly improves CTR and user experience; focus on writing compelling text under 160 characters that matches search queries. |
| NASA.gov brings you the latest news, images and videos from America's space agency, pioneering the future in space exploration, scientific discovery and aeronautics research. Length: 179 characters | |
| Meta Keywords | While meta keywords used to hold some SEO weight, they lost significant importance years ago due to manipulation tactics, making them a negligible factor in contemporary website optimization efforts. |
| no meta keywords data for nasa.gov 2026-01-09T03:13:25+00:00 | |
| Page Content | Write page content with a user-centric focus, anticipating potential questions users have and proactively providing answers, thereby enhancing their experience, encouraging exploration, and fostering brand loyalty through helpfulness. |
| Web Page Content Length: 334723 characters | |
| H1 Heading | The H1 element serves as an unequivocally visible focal point on-page, quickly capturing user attention and guiding them towards the main content areas, thereby enhancing readability and significantly reducing bounce rates for visitors searching online. |
| no h1 heading data for nasa.gov 2026-01-09T03:13:25+00:00 | |
| H2 Headings | Consider your primary target keywords for each distinct subtopic when crafting H2 headings, ensuring the header text itself naturally incorporates valuable, secondary semantic keywords related to the surrounding content. |
| Suggested Searches Observing Comet 3I/ATLAS Featured News Astronomical Observations Welcome to the Universe Image Of The Day Image Galleries Explore the Universe from your Inbox Send Your Name Around the Moon More Topics from NASA Was this page helpful? Count: 11 heading tag | |
| H3 Headings | Create more engaging and user-friendly page layouts by utilizing H3 headings to break up text and provide clear signposts for key points, while optimizing for search intent with relevant keywords. |
| News & Events Multimedia Featured Webb First to Show 4 Dust Shells ‘Spiraling’ Apep, Limits Long Orbit NASA Celebrates Five Years of Artemis Accords, Welcomes 3 New Nations What’s Up: November 2025 Skywatching Tips from NASA Missions Humans in Space Earth The Solar System The Universe Science Aeronautics Technology Learning Resources About NASA NASA en Español NASA’s TESS Spacecraft Triples Size of Pleiades Star Cluster NASA’s X-59 Completes First Flight, Prepares for More Flight Testing NASA Cassini Study Finds Organics ‘Fresh’ From Ocean of Enceladus Highlights and 60 more... Count: 22 heading tag | |
| H4 Headings | When redesigning existing content, review your H4 usage to ensure consistency with the surrounding H3 headers, maintaining a cohesive and professional document structure for both users and crawlers. |
| no h4 headings data for nasa.gov 2026-01-09T03:13:25+00:00 | |
| H5-H6 Headings | Dedicate H5 and H6 header tags for granular, highly specific section divisions within complex documentation or detailed technical specifications to enhance content scannability and user comprehension for targeted audiences. |
| no h5-h6 headings data for nasa.gov 2026-01-09T03:13:25+00:00 | |
| Image ALT Attributes | Incorporate alt text recommendations into your website development workflow by teaching your team to consistently write descriptive attributes that accurately reflect the content and purpose of every visual element on the page. |
| https://www.nasa.gov/wp-content/themes/nasa/assets/images/nasa-logo@2x.png https://assets.science.nasa.gov/dynamicimage/assets/science/missions/webb/science/2025/11/STScI-01K34EC16CKMDAPB54D4SWQ79V.png?w=1024 https://www.nasa.gov/wp-content/uploads/2025/11/artemis-accords-malaysia-59-102625.jpg?w=1024 https://assets.science.nasa.gov/dynamicimage/assets/science/psd/solar-system/skywatching/2025/november/Jupiter%20higher_credit_Bill%20Dunford_CC%20BY-NC%202.0.jpg?w=1024 https://assets.science.nasa.gov/dynamicimage/assets/science/missions/hubble/releases/2004/06/STScI-01EVVEYWX1TA3MGBK5F6EFQVGQ.tif?w=1024 https://images-assets.nasa.gov/image/AFRC2025-0168-038/AFRC2025-0168-038~large.jpg?w=1920&h=1280&fit=clip&crop=faces%2Cfocalpoint https://images-assets.nasa.gov/image/PIA11688/PIA11688~orig.jpg?w=1580&h=977&fit=clip&crop=faces%2Cfocalpoint https://www.nasa.gov/wp-content/uploads/2025/10/iss067e149651.jpg?w=1024 https://www.nasa.gov/wp-content/uploads/2025/09/jsc2023e006587.jpg?w=1024 https://www.nasa.gov/wp-content/uploads/2024/01/taking-in-the-view-surface-from-hls.png?w=1024 https://www.nasa.gov/wp-content/uploads/2025/11/1-pia26617-ammonia-web.jpg?w=1024 https://assets.science.nasa.gov/dynamicimage/assets/science/psd/solar-system/planetary-expeditions/2025-06-gift-iceland/20250629_170457.jpg?w=1024 https://www.nasa.gov/wp-content/uploads/2025/11/1-s6-mf-on-pad.jpg?w=1024 https://www.nasa.gov/wp-content/uploads/2025/11/1-hirise-clean-nasagov.jpg?w=1024 https://assets.science.nasa.gov/dynamicimage/assets/science/psd/solar-system/comets/3i-atlas/2025/MRO%20HiRISE-CLEAN%20FINAL.tif?w=1024 https://assets.science.nasa.gov/dynamicimage/assets/science/missions/hubble/galaxies/spiral/Hubble_NGC4535_potw2546a.jpg?w=1024 https://assets.science.nasa.gov/dynamicimage/assets/science/esd/eo/images/imagerecords/154000/154735/greatbasin_pho_lrg.jpg?w=1024 https://assets.science.nasa.gov/dynamicimage/assets/science/cds/learn/science-activation-stories/2025/8388797290573104646-Amy_Padolf.jpg?w=1024 https://www.nasa.gov/wp-content/uploads/2025/09/img-3738.jpg?w=1024 https://www.nasa.gov/wp-content/uploads/2025/09/acd25-132-006.jpg?w=1024 https://www.nasa.gov/wp-content/uploads/2021/12/biosentinel_1920x1080.png?w=1024 https://www.nasa.gov/wp-content/uploads/2023/09/6a380225-e104-41f7-8961-caa95629e4f3.jpg?w=800 https://assets.science.nasa.gov/dynamicimage/assets/science/missions/prism/prism-data-cube.png?w=1024 and 10 more... Count: 24 images with ALT attributes | |
| Robots.txt | Using robots.txt to block CSS, JavaScript, or image resource directories helps prevent crawlers from wasting time and resources processing these non-textual assets. Focus crawling efforts on text content for indexing, while ensuring necessary resources load correctly for users and proper page rendering by crawlers. |
| file robots.txt was found on the website | |
| XML Sitemap | To effectively manage your XML sitemap across multiple domains or subdomains, consider creating a single comprehensive sitemap index file or submitting multiple sitemap files through Search Console's bulk submission feature. |
| no xml sitemap data for nasa.gov 2026-01-09T03:13:25+00:00 | |
| Page Size | Compressing images effectively using formats like WebP, implementing minification for HTML, CSS, and JavaScript files, and optimizing third-party scripts are effective strategies for drastically cutting down overall page size. |
| page size: 327 kb | |
| Response Time | Choose a web hosting provider specifically designed for high-performance hosting, like VPS or dedicated servers combined with SSD storage, to fundamentally improve the raw server response times compared to budget shared hosting options. |
| response time: 0.115 sec | |
| Minify CSS | Employ robust CSS minification to automatically trim all excess whitespace and code, resulting in leaner assets, faster loading pages, better Core Web Vitals, and improved rankings in search. |
| Minified: https://www.nasa.gov/_static/??-eJyNkNFuwjAMRX9oIWwgeJr2LU5iSlTHieykFX9PoCChaaJ7imwdH/vGzsX4zBW5Wk+xPyY1U6gNkdU2nYOak0DCOcu41Na1SMFqvRDqxqt+2C6J7KkFVNsbNkTtupxK5m7Uhd2kyG/wInhCQfb4P95R9qPBEGuWPwaeoZ5RSi6tmAQjymMf+BGGblxEFJ2AXMxi+m2pZ0wdZVC4XzBQdkCGYVpFcbp9wSoG4s9xQuOAGWUVf4lzY3/S9+fxsDscd/uv7RXyDq8y https://www.nasa.gov/wp-content/plugins/popup-maker/dist/assets/site.css?m=1763058708g Unminified: https://www.nasa.gov/wp-content/plugins/nasa-blocks/assets/slick/slick.css?m=1742502145g included in the page | |
| Minify JavaScript | The primary benefit of minifying JavaScript is accelerated page load times by decreasing download sizes and improving browser rendering and execution speed. |
| Minified: https://www.google.com/recaptcha/api.js https://dap.digitalgov.gov/Universal-Federated-Analytics-Min.js?agency=NASA&pga4=G-82GWVTTXCZ https://www.nasa.gov/wp-includes/js/dist/hooks.min.js?m=1763493147g https://www.nasa.gov/wp-includes/js/dist/i18n.min.js?ver=5e580eb46a90c2b997e6 https://www.nasa.gov/wp-content/plugins/wp-parsely/build/loader.js?ver=ecf94842061bea03d54b https://cdn.parsely.com/keys/nasa.gov/p.js?ver=3.20.5 https://www.nasa.gov/wp-content/plugins/accessibility-checker/build/frontendFixes.bundle.js?ver=1.31.0 https://www.nasa.gov/_static/??/wp-content/plugins/accessibility-checker-pro/build/frontendFixes.bundle.js,/wp-includes/js/dist/dom-ready.min.js?m=1763493147j https://www.nasa.gov/wp-includes/js/dist/a11y.min.js?ver=3156534cc54473497e14 detected during site scan | |
| Structured Data | Enhancing your page's Meta Data with relevant Schema helps address semantic search intent, providing search engines with clear information about entities and relationships, thus improving visibility for complex, conversational keyword queries. |
| 1 items found | |
| CDN Usage | Use your CDN to efficiently push updated CSS and JavaScript files to global edge locations, significantly reducing the propagation delay for critical updates and ensuring users experience the latest features without waiting for origin server synchronization |
| content is delivered via CDN | |
| SSL certificates | Obtain an SSL/TLS certificate from a trusted Certificate Authority (CA), install it correctly, and enforce HTTPS across every single page of your website to secure connections and build visitor trust. |
| SSL is enabled on the website |