WWW.LEIDOS.COM 網站分析

造訪網站 www.leidos.com 時發生錯誤

我們在嘗試存取網站 www.leidos.com 的以下 URL 位址時遇到錯誤:

HTTP 403 是一個 HTTP 狀態碼,表示禁止存取所要求的資源。當伺服器限制我們的機器人存取頁面時,通常會由於防火牆的存在而發生這種情況。

以下內容顯示了我們的伺服器在 2025-03-22 快取的部分歷史分析資料。由於我們的機器人無法存取本網站,數據可能不完整或過時,僅供您參考。

搜索引擎收錄信息

必應:
Google:

頁面信息

標題:
Leidos: Innovative Solutions through Information Technology, Engineering and Science
長度: 84 字元; 最佳長度: 10 ~ 60 字元

HTML 標題標籤是頁面 SEO 最重要的元素之一,出現在搜尋結果、瀏覽器標籤和書籤中。

您的標題標籤似乎不在理想長度內。

Google 的搜尋結果會截斷超過 60 個字元的標題; Bing 的搜尋結果會截斷超過 70 個字元的標題。

以下是元標題的最佳實踐:

  • 標題長度保持在 10-60 個字元之間。
  • 讓關鍵字/關鍵字詞變得明顯
  • 納入相關的強力字詞
  • 清晰但簡潔
Meta 描述信息:
Leidos is an innovation company rapidly addressing the world's most vexing challenges in national security and health. Our 47,000 employees collaborate to create smarter technology solutions for customers in these critical markets.
長度: 231 字元; 最佳長度: 50 ~ 160 字元

The length of your meta description seems to be outside the recommended range. Ideally, a META DESCRIPTION should be between 50 and 160 characters, including spaces.

A meta description tag serves as a concise and informative summary of a web page's content, aiming to engage and inform users about the page's topic.

Google relies on the actual content of the page to generate a snippet for search results, but it may also utilize the meta description for a more descriptive representation of the page.

Meta descriptions act as a compelling pitch to persuade users that the page aligns with their search intent. While there's no strict character limit, Google truncates the snippet in search results as necessary to fit the device's width.

Best practices for Meta Descriptions

  • Length: Maintain a description length of 50-160 characters to ensure optimal visibility in search results.
  • Uniqueness: Craft unique descriptions for each page on your website to differentiate their purposes and content.
  • Accuracy: Create descriptions that precisely depict the specific content and purpose of the page.
  • Keywords: Ensure that each web page has a unique meta description containing important keywords relevant to the page's content.
Meta 關鍵詞:
長度: 0 字元; 最佳長度: 10 ~ 255 字元

The length of your meta keywords seems to be outside the recommended range. Ideally, a meta keywords should be between 10 and 255 characters, including spaces.

Meta keywords are a specific type of meta tag that appear in the HTML code of a web page. They provide information to search engines about the topic of the page. Meta keywords were once used to help rank web pages in search engine results. However, due to the abuse by webmasters and marketers, Google claims to have stopped using them more than a decade ago. Despite this, there are still reasons to consider using meta keywords:

  • Uncertain Impact on Google's Algorithm: While Google devalued meta keywords, it is uncertain if they were entirely removed from its ranking algorithm. Google keeps its ranking algorithms top secret to deter people from gaming the system.
  • Other Search Engines and CMS: Other search engines like Yandex, Baidu, and Naver may still use meta keywords. Additionally, some internal CMS search systems, such as SOLR and Algolia, also utilize the meta keywords tag.

Best practices for Meta Keywords

  • Relevance is Key: It is crucial to choose keywords that accurately reflect the content of your page.
  • Keep it Limited: It is generally recommended not to exceed more than 10 meta keywords for a single page. Also, the content length should not exceed 255 characters (including spaces).
  • Consider Long-Tail Keywords: Long-tail keywords are more specific and longer phrases that target a niche audience. These keywords can be highly effective in driving targeted traffic to your website.

Remember, meta keywords are just one aspect of search engine optimization (SEO), and search engines now place less emphasis on them compared to other factors. However, by following these best practices, you can still optimize your meta keywords effectively and improve the visibility of your web pages.

H1標籤:
Making Smart Smarter
長度: 23 字元; 最佳長度: 10 ~ 255 字元

建站技術

服務器:
cloudflare
SSL 安全:
有效
robots.txt:
不可用
XML 站點地圖:
不可用
Gzip 壓縮:
有效
favicon.ico:
不可用

HTTP Head 分析

HTTP 協議採用了請求與響​​應模型,通過HTTP Header 定義了HTTP 傳輸過程中的必要參數。瀏覽器(例如​​Internet Explorer, Google Chrome, Firefox 等)並不會顯示HTTP header 字段的內容,下面是網站www.leidos.com 的HTTP header 信息:
HTTP/1.1 200 OK
Date: Sat, 22 Mar 2025 15:32:17 GMT
Content-Type: text/html; charset=UTF-8
Transfer-Encoding: chunked
Connection: keep-alive
Cache-Control: must-revalidate, no-cache, private
x-drupal-dynamic-cache: UNCACHEABLE
content-language: en
x-content-type-options: nosniff
x-frame-options: SAMEORIGIN
expires: Sun, 19 Nov 1978 05:00:00 GMT
x-generator: Drupal 10 (https://www.drupal.org)
content-security-policy: frame-ancestors 'self'; report-uri https://www.leidos.com/vdp
x-drupal-cache: HIT
vary: Accept-Encoding
x-request-id: v-b2a69a5e-0732-11f0-afa5-6ff893676b61
x-ah-environment: prod
via: varnish
x-cache: MISS
Last-Modified: Sat, 22 Mar 2025 15:31:17 GMT
CF-Cache-Status: HIT
Age: 53
Strict-Transport-Security: max-age=0
Server: cloudflare
CF-RAY: 9246bdaa5ff64239-EWR
Content-Encoding: gzip

DNS 記錄分析

DNS 域名系統(Domain Name System,縮寫)是Internet 的一項基礎服務。它作為將域名和 IP 位址相互映射的一個分佈式數據庫,能夠使人更方便的訪問互聯網。 leidos.com 當前共有 35 項 DNS 記錄。
主機 類型 IP/目標 TTL 擴充資訊
leidos.comA200
leidos.comA200
leidos.comNS20256
leidos.comNS20256
leidos.comNS20256
leidos.comSOA14400expire: 1209600
serial: 715567255
leidos.comMX449pri: 10
leidos.comMX449pri: 10
leidos.comTXT
google-site-verification=OCM936SBYDQEbMkQRg1ejJj0YheOVH3yMWGUMh9IYhA
14400
leidos.comTXT
webexdomainverification.89NKC=02e4cd1f-5621-4477-83f3-140ffbfcb0b7
14400
leidos.comTXT
facebook-domain-verification=9k66wf0zazg26n30h4xko19eh16nu5
14400
leidos.comTXT
adobe-idp-site-verification=b59ab640f04bce7bc291847369a30541094386fa0e492e1d3e0353a4b55fc8dd
14400
leidos.comTXT
identrust_validation=iGY9GS+Uzd6kcprVfVhaCqEY5q4cucg/IRW3+UoWgSN+
14400
leidos.comTXT
a5a35780433e45e2a94799d99d9ac9ba
14400
leidos.comTXT
webexdomainverification.7SQ3S=ff82c8e4-684b-482d-87bb-d6137d59f2f3
14400
leidos.comTXT
identrust_validation=eGqKvt9B5YF3moiqcmDZTkPX9sjik5rzDWO2oySqUeg7
14400
leidos.comTXT
MS=ms48477822
14400
leidos.comTXT
adobe-idp-site-verification=35f6139d624a8a4faf62e9ea0ac932c184a357134b3e3cd88ad83086219e155f
14400
leidos.comTXT
google-site-verification=4NImZ9b81TPYM_ppnEKXHKeObn_buZq0kSCakg-OWOU
14400
leidos.comTXT
webexdomainverification.7TABZ=63095fb4-4966-41fe-a52b-e2ba75e6e469
14400
leidos.comTXT
apple-domain-verification=2wuO3oOHDkX97Xp7
14400
leidos.comTXT
duo_sso_verification=GLXKtc9vwBelNRwxSxafaFzWR7XyG6jKNMZQpI1A9VB4rbTQyMLnVlS1Ov5R6pZi
14400
leidos.comTXT
v=spf1 ip4:149.8.242.0/24 ip4:149.8.144.0/24 ip4:149.8.243.0/27 ip4:149.8.132.0/25 ip4:140.162.124.0/25 ip4:185.177.65.0/24 ip4:185.177.67.0/24 ip4:103.23.218.200/32 ip4:216.46.126.4/32 ip4:216.46.107.32/32 ip4:65.5.104.15/32 ip4:216.169.98.195/32 ip4:54.152.91.75/32 include:spf-00336402.gpphosted.com include:mktomail.com include:46166704.spf04.hubspotemail.net -all
14400
leidos.comTXT
MS=ms61953769
14400
leidos.comTXT
amazonses:3sEEfkAcJa/4coehCYouBzSei+ud74uA4L9RSiJrkF0=
14400
leidos.comTXT
MS=ms98732825
14400
leidos.comTXT
cisco-ci-domain-verification=19ff04548182833ced8e92e55afc04dbfaf4cd7fc843b4206ba339ada55c46c3
14400
leidos.comTXT
j9F3+f/HO69AxksBWNmqoO4iK/MpMEctiPl43V7nVYQKRBVDh+SqbvCwyxvxvW6XogBnMQqesTAMOoj6NaaaMA==
14400
leidos.comTXT
MS=ms86864383
14400
leidos.comTXT
box-domain-verification=b3dd4f44036c96e36bfb2ac6bba0d28ba1e4c0e18cf4b641c6f6dd0c6df4cc3f
14400
leidos.comTXT
amazonses:rViIgRFhomuueBUI/vL087ttEbwiKSXD1bs0tfMF/CY=
14400
leidos.comTXT
box-domain-verification=aaab159f5eba749afcfbe22e9bdb7162465f19947d098d7e9c59a6eb0e375a0d
14400
leidos.comTXT
traction-guest=88809048-1b58-446d-aa7d-a7bf40ea5488
14400
leidos.comAAAA
2606:4700::6812:1934
300
leidos.comAAAA
2606:4700::6812:1834
300