Анализ страницы https://www.nist.gov/pml/time-and-frequency-division/time-services
Основное Готовность: 75%
Домен
nist.gov
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Отличный запоминающийся домен.
Ответ сервера
200 Успешный ответ
Сервер настроен корректно.
Безопасность
Сайт безопасен
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Ssl-сертификат действителен до 24.09.2026 12:16:11.
Включён HSTS (Strict-Transport-Security) — защита от подмены на http.
Поздравляем! Сайт не содержится в реестре РКН.
Кодировка
utf-8
Указана кодировка на странице utf-8.
Язык
en
Язык документа указан явно: en.
Скорость загрузки
~0,78сек
Скорость загрузки сайта 0,78сек оптимальна.
Объем документа
126Кб
Объем html-документа 126Кб оптимален.
Структура html-документа корректна.
Ресурсы
Ресурсы: 11
Кол-во файлов ресурсов 11 много для одной страницы. Приемлемо до 10. Проведите оптимизацию файлов ресурсов!
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| Тип | Название | Значение |
|---|---|---|
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Серверные заголовки
Кол-во: 22
Найдены серверные заголовки 22шт. Подробнее про серверные заголовки.
Показать полный список серверных заголовков
| Ключ | Значение |
|---|---|
| Date | Mon, 13 Jul 2026 07:33:03 GMT |
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| Cache-Control | public, max-age=2764800 |
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| Server | cloudflare |
| Strict-Transport-Security | max-age=31536000 |
| Vary | Cookie |
| Via | varnish |
| x-ah-environment | prod |
| X-Cache | HIT |
| x-cache-hits | 1 |
| X-Content-Type-Options | nosniff |
| x-drupal-cache | HIT |
| X-Frame-Options | SAMEORIGIN |
| x-generator | Drupal 10 (https://www.drupal.org) |
| X-Request-ID | 1b414425-1c86-435e-9b93-682ba8b3dfb6 |
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| cf-ray | a1a698eb9839c00c-ATL |
CMS
Drupal
Сайт работает на CMS Drupal.
Веб-сервер
Cloudflare
Сайт работает на веб-сервере Cloudflare.
Мета-теги Готовность: 48%
Title
Time Realization and Distribution Group | NIST
Необходимо уменьшить число символов в title (текущее значение: 46, оптимально: от 40 до 45)
Дублей словоформ в title не найдено.
Description
The Time Realization and Distribution group distributes standard time and frequency signals generated by the Coordinated Universal Time scale, UTC(NIST), maintained at the NIST laboratories in Boulder, Colorado. UTC(NIST) is the U. S.
Необходимо уменьшить число символов в description (текущее значение: 234, оптимально: от 120 до 130)
Канонический Url
https://www.nist.gov/pml/time-and-frequency-division/time-services
Канонический Url прописан корректно.
Robots
Ошибок нет
Meta-тег robots не указан. Страница свободна для индексации.
Адаптивность
width=device-width, initial-scale=1.0
Meta-тег viewport со значением-константой width=device-width задаёт ширину страницы в соответствии с размером экрана.
Meta-тег viewport со значением initial-scale=1.0 определяет масштаб 1:1, т.е. «не масштабировать».
Разметка OpenGraph
Кол-во: 6
Разметка OpenGraph задана. Страница оптимизирована под социальные сети.
Показать полный список og мета-тегов
| Тип | Значение |
|---|---|
| og:site_name | NIST |
| og:type | Article |
| og:url | https://www.nist.gov/pml/time-and-frequency-division/time-services |
| og:title | Time Realization and Distribution Group |
| og:description | The Time Realization and Distribution group distributes standard time and frequency signals generated by the Coordinated Universal Time scale, UTC(NIST), maintained at the NIST laboratories in Boulder, Colorado. UTC(NIST) is the U. S. |
| og:image | https://www.nist.gov/themes/custom/nist_www/img/homepage/nist_mark.png |
Все мета-теги
Кол-во: 30
Найдены мета-теги 30шт. Мета-теги не видимы для человека и предназначены для обмена информацией между веб-страницей и поисковыми системами, браузерами и другими веб-службами. С ними роботы 🤖 и устройства ведут себя более ожидаемо.
Показать полный список мета-тегов
| Тип | Название | Значение |
|---|---|---|
| name | description | The Time Realization and Distribution group distributes standard time and frequency signals generated by the Coordinated Universal Time scale, UTC(NIST), maintained at the NIST laboratories in Boulder, Colorado. UTC(NIST) is the U. S. |
| name | citation_title | Time Realization and Distribution Group | NIST |
| name | dcterms.title | Time Realization and Distribution Group |
| name | dcterms.description | The Time Realization and Distribution group distributes standard time and frequency signals generated by the Coordinated Universal Time scale, UTC(NIST), maintained at the NIST laboratories in Boulder, Colorado. UTC(NIST) is the U. S. |
| name | dcterms.date | 2009-07-02T10:09-04:00 |
| name | dcterms.type | text |
| name | dcterms.format | text/html |
| name | dcterms.identifier | https://www.nist.gov/pml/time-and-frequency-division/time-services |
| name | dcterms.source | NIST |
| name | dcterms.created | 2009-07-02T10:09-04:00 |
| name | dcterms.modified | 2025-12-10T10:59-05:00 |
| name | twitter:card | summary_large_image |
| name | twitter:title | Time Realization and Distribution Group |
| name | twitter:description | The Time Realization and Distribution group distributes standard time and frequency signals generated by the Coordinated Universal Time scale, UTC(NIST), maintained at the NIST laboratories in Boulder, Colorado. UTC(NIST) is the U. S. |
| name | twitter:site | NIST |
| name | google-site-verification | QMu0ODkER3rN5hLcMLqNVf7e3bkjYsNLTuhqfH48jCA |
| name | Generator | Drupal 10 (https://www.drupal.org) |
| name | MobileOptimized | width |
| name | HandheldFriendly | true |
| name | viewport | width=device-width, initial-scale=1.0 |
| name | nist_search_modified | 2025-12-10T10:59:00-05:00 |
| name | nist_search_bundle | laboratory_organizational_unit |
| property | og:site_name | NIST |
| property | og:type | Article |
| property | og:url | https://www.nist.gov/pml/time-and-frequency-division/time-services |
| property | og:title | Time Realization and Distribution Group |
| property | og:description | The Time Realization and Distribution group distributes standard time and frequency signals generated by the Coordinated Universal Time scale, UTC(NIST), maintained at the NIST laboratories in Boulder, Colorado. UTC(NIST) is the U. S. |
| property | og:image | https://www.nist.gov/themes/custom/nist_www/img/homepage/nist_mark.png |
| property | article:published_time | 2009-07-02T10:09-04:00 |
| property | article:modified_time | 2025-12-10T10:59-05:00 |
Оптимизация Готовность: 92%
Структура
Ошибок нет
Структура документа корректна (теги <html> и <body> присутствуют в одном экземпляре).
Контент
Ошибок нет
Слова из title 7 встречаются в тексте достаточно.
Абзацев с текстом 17 достаточно.
Среднее число слов в абзаце 54 достаточно.
Кол-во знаков контента 13220 на странице оптимально.
Кол-во слов 1891 на странице оптимально.
Заголовки
Ошибок нет
На странице присутствуют заголовки <h1> 1. Это прекрасно.
На странице присутствуют заголовки <h2> 9. Это хорошо.
На странице присутствуют заголовки <h3> 23.
Тошнота
4,24
Тошнота страницы в пределах нормы 4,24.
Академич. тошнота
66,47%
Академическая тошнота превышает норму 5-15%. Измените текст страницы!
Семантическое ядро
20
Контент страницы содержит осмысленный текст и слова.
Показать список слов
| Слово | Кол-во | Частота |
|---|---|---|
| frequency | 18 | 0,95% |
| atomic | 14 | 0,74% |
| clocks | 11 | 0,58% |
| service | 11 | 0,58% |
| [emailprotected] | 11 | 0,58% |
| laboratory | 10 | 0,53% |
| system | 8 | 0,42% |
| standard | 8 | 0,42% |
| official | 7 | 0,37% |
| technology | 7 | 0,37% |
| metrology | 7 | 0,37% |
| research | 7 | 0,37% |
| programs | 7 | 0,37% |
| measurement | 7 | 0,37% |
| reference | 7 | 0,37% |
| realization | 7 | 0,37% |
| timing | 7 | 0,37% |
| website | 6 | 0,32% |
| distribution | 6 | 0,32% |
| transfer | 6 | 0,32% |
Индексация Готовность: 0%
Индексирование
Есть ошибки
Анкоров на странице 232 слишком много. Проведите ревизию и оптимизацию ссылок сайта.
Robots.txt
Найден корректный robots.txt
Robots.txt настроен корректно. Размер файла: 2425 байт. Загружен за: 1сек.
Проверяемая страница не запрещена в robots.txt.
Robots.txt доступен по постоянному адресу
Показать содержимое robots.txt
#
# robots.txt
#
# This file is to prevent the crawling and indexing of certain parts
# of your site by web crawlers and spiders run by sites like Yahoo!
# and Google. By telling these "robots" where not to go on your site,
# you save bandwidth and server resources.
#
# This file will be ignored unless it is at the root of your host:
# Used: http://example.com/robots.txt
# Ignored: http://example.com/site/robots.txt
#
# For more information about the robots.txt standard, see:
# http://www.robotstxt.org/robotstxt.html
User-agent: *
# CSS, JS, Images
Allow: /core/*.css$
Allow: /core/*.css?
Allow: /core/*.js$
Allow: /core/*.js?
Allow: /core/*.gif
Allow: /core/*.jpg
Allow: /core/*.jpeg
Allow: /core/*.png
Allow: /core/*.svg
Allow: /profiles/*.css$
Allow: /profiles/*.css?
Allow: /profiles/*.js$
Allow: /profiles/*.js?
Allow: /profiles/*.gif
Allow: /profiles/*.jpg
Allow: /profiles/*.jpeg
Allow: /profiles/*.png
Allow: /profiles/*.svg
# Directories
Disallow: /core/
Disallow: /profiles/
# Files
Disallow: /README.md
Disallow: /composer/Metapackage/README.txt
Disallow: /composer/Plugin/ProjectMessage/README.md
Disallow: /composer/Plugin/Scaffold/README.md
Disallow: /composer/Plugin/VendorHardening/README.txt
Disallow: /composer/Template/README.txt
Disallow: /modules/README.txt
Disallow: /sites/README.txt
Disallow: /themes/README.txt
Disallow: /web.config
# Paths (clean URLs)
Disallow: /admin/
Disallow: /comment/reply/
Disallow: /filter/tips
Disallow: /node/add/
Disallow: /search/
Disallow: /user/register
Disallow: /user/password
Disallow: /user/login
Disallow: /user/logout
Disallow: /media/oembed
Disallow: /*/media/oembed
# Paths (no clean URLs)
Disallow: /index.php/admin/
Disallow: /index.php/comment/reply/
Disallow: /index.php/filter/tips
Disallow: /index.php/node/add/
Disallow: /index.php/search/
Disallow: /index.php/user/password
Disallow: /index.php/user/register
Disallow: /index.php/user/login
Disallow: /index.php/user/logout
Disallow: /index.php/media/oembed
Disallow: /index.php/*/media/oembed
# Noindex files
Disallow: /system/files/documents/noindex/
Disallow: /index.php/system/files/documents/noindex/
# Search
Disallow: /fusion-search
Disallow: /index.php/fusion-search
Disallow: /site-search
Disallow: /index.php/site-search
Disallow: /search
Disallow: /index.php/search
# Disallow facet links
Disallow: *?f%5B*
Disallow: *&f%5B*
# Sitemap
Sitemap: https://www.nist.gov/sitemap.xml
Sitemap
Кол-во: 1
Robots.txt содержит карту сайта. Это прекрасно!
Robots.txt не содержит ошибок в карте сайта.
Показать карту сайта
| Url | Статус |
|---|---|
| https://www.nist.gov/sitemap.xml |
|
Внутренние ссылки
Кол-во: 162
Внутренних ссылок на странице 162 слишком много. Проведите оптимизацию сайта!
Внутренние ссылки не запрещены к индексации в robots.txt.
На странице присутствуют изображения 15.
Показать первые 100 внутренних ссылок
| Url | Анкор | Состояние |
|---|---|---|
| /publications |
Publications
|
|
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All Topics
|
|
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Advanced communications
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Artificial intelligence
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Bioscience
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Buildings and construction
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| /chemistry |
Chemistry
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| /cybersecurity-and-privacy |
Cybersecurity and Privacy
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| /electronics |
Electronics
|
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| /energy |
Energy
|
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| /environment |
Environment
|
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| /fire |
Fire
|
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| /forensic-science |
Forensic science
|
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| /health |
Health
|
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| /information-technology |
Information technology
|
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| /infrastructure |
Infrastructure
|
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Manufacturing
|
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| /materials |
Materials
|
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| /mathematics-and-statistics |
Mathematics and statistics
|
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Metrology
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Nanotechnology
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Neutron research
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|
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Public safety
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Quantum information science
|
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| /resilience |
Resilience
|
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| /standards |
Standards
|
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| /transportation |
Transportation
|
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| /adlp |
Assoc Director of Laboratory Programs
|
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| /laboratories |
Laboratories
|
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| /ctl |
Communications Technology Laboratory
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Engineering Laboratory
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Внешние ссылки
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