Guides.loc.gov - SEO Checker

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Overview of the SEO Check
Meta information
80% 
Page quality
38% 
Page structure
95% 
Link structure
90% 
Server
100% 
External factors
100% 
SEO Score
Response time
0.14 s
File size
32.20 kB
Words
202
Media files
2
Number of links
4 internal / 9 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Home - Research Guides at Library of Congress
The length of the page title is perfect. (430 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
The meta description is missing.
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
No canonical link is specified.
Language
(Somewhat important)
Language detected in text: en
Language defined in HTML: en
Server location: Canada
The following language is defined by HTML: en
Alternate/Hreflang Links
(Somewhat important)
There are no alternate links specified on this page.
Other meta tags
(Somewhat important)
There is no rel next meta tag on this page.
There is no rel prev meta tag on this page.
Domain
(Somewhat important)
The domain is no subdomain.
The domain length is good.
The domain does not contain non-latin characters.
Page URL
(Somewhat important)
No parameters were found in the URL.
No session ID was found in the URL.
The URL does not have too many subdirectories.
Charset encoding
(Somewhat important)
The charset encoding (UTF-8) is set correctly.
Doctype
(Nice to have)
The doctype HTML 5 is set correctly.
The doctype is placed at first in the HTML code.
Favicon
(Nice to have)
The favicon is linked correctly.

Meta tags

NameValue
viewportwidth=device-width, initial-scale=1.0
robotsnoarchive
msapplication-TileColor#ffffff
msapplication-TileImagehttps://www.loc.gov/ms-icon-144x144.png
dc.typeresearch guide
dc.rightsText is U.S. Government Work
dc.languageeng
langen
twitter:imagehttps://guides.loc.gov/ld.php?_=1747921822&size=twitter&screenshot=site_screenshot.png
twitter:cardsummary_large_image
twitter:site@springshare
og:titleResearch Guides
og:descriptionIndex of Library of Congress Research Guides Research guides to the Library's collections, as well as subject guides prepared by Library of Congress staff, are listed below. More online guides covering other Library of Congress collections are available via the
og:imagehttps://guides.loc.gov/ld.php?_=1747921822&size=facebook&screenshot=site_screenshot.png
og:image:width1200
og:image:height627
og:typewebsite
og:urlhttps://guides.loc.gov/
X-UA-CompatibleIE=Edge
Content-Typetext/html; charset=UTF-8

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Page quality

Content
(Critically important)
There are only 202 words on this page. Use at least 250 words to provide useful information.
Words from the H1 heading are not used in the page content.
Only 2 paragraph/s was/were found on this page.
31.2% of the text are stop words.
Keywords used in the page title are also used in the page content. That's good!
The page contains a listing, which indicates a good text layout.
No placeholders texts or images were found.
There are no duplicates on the site.
The average number of words per sentence of 17.67 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
A viewport "width=device-width, initial-scale=1.0" is provided.
At least one Apple touch icon is specified.
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 6 tags for this page.
Image SEO
(Somewhat important)
2 images have no alt attribute. The content of alt attributes is used by search engines.
Social Networks
(Nice to have)
There are only a few social sharing widgets on the page. Make your website popular in social networks with social sharing widgets.
Additional markup
(Nice to have)
No additional page markup was found.
HTTPS
(Somewhat important)
This website uses HTTPS to protect privacy and integrity of the exchanged data.
All included files are also transferred via HTTPS.

Media list

URLAlt attributeTitle
....gov/libguide/images/logo-loc-padded.svgNo alt attribute provided
...libguide/images/logo-research-guides.svgNo alt attribute provided

Page structure

H1 heading
(Critically important)
Index of Library of Congress Research Guides
The H1 heading is perfect.
Headings
(Important)
Some headings do not have any content.

Heading structure

Heading levelContent
H1 Index of Library of Congress Research Guides
H2 Empty heading
H2 Have a question? Need assistance?
H2 A-Z Database List
There are too few (4) internal links on this page.
Some anchor texts are used more than once.
None of the anchor texts is too long.
All internal links are not using dynamic parameters.
There are 9 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://guides.loc.gov/Anchor Skip to Main Content
https://www.loc.gov/External Subdomain Library of Congress
https://guides.loc.gov/Research Guides
https://www.loc.gov/External Subdomain Text duplicate Library of Congress
https://guides.loc.gov/Subdomain Text duplicate Research Guides
https://research-appointments....New window External Subdomain optional
https://www.loc.gov/visit/New window External Subdomain learn how to obtain a timed-entry pass.
https://www.loc.gov/rr/program...New window External Subdomain LC Bibliographies, Research Guides and Finding Aids page.
http://ask.loc.gov/External Subdomain Ask a Librarian
https://guides.loc.gov/az.phpGo to A-Z List
https://loc.libapps.com/libapp...External Subdomain Login to LibApps
https://www.loc.gov/legal/New window External Subdomain Library of Congress Legal
https://springshare.com/privac...New window External SpringShare Privacy Policy

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://guides.loc.gov/"
HTTP header
(Important)
No X-Powered HTTP header is sent.
The web server transmits the web page (HTML) in compressed form.
Performance
(Somewhat important)
The page response time is excellent with 0.14 seconds.
The file size of the HTML document is fine (32 kB).

HTTP Response Header

NameValue
dateThu, 22 May 2025 16:18:53 GMT
content-typetext/html; charset=UTF-8
varyAccept-Encoding
x-backend-serverlibguides-us-4.springyaws.com
x-content-type-optionsnosniff
content-security-policyupgrade-insecure-requests
strict-transport-securitymax-age=31536000; preload
last-modifiedThu, 22 May 2025 13:50:22 GMT
cf-cache-statusHIT
age2985
servercloudflare
cf-ray943da1cb2ba949ca-CDG
content-encodinggzip
statuscode200
http_versionHTTP/2

External factors

This page is referenced by wikipedia.
This website has excellent links from other websites.
This page has backlinks from 134 referring domains.
This page has 13,584 backlinks.
This page has backlinks from 115 different ip addresses.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

User-agent: Amazonbot
Disallow: /

User-agent: Applebot
Disallow: /

User-agent: Applebot-Extended
Disallow: /

User-agent: Baiduspider
Disallow: /

User-agent: Baiduspider-image
Disallow: /

User-agent: Baiduspider-video
Disallow: /

User-agent: Bytespider
Disallow: /

User-agent: CCBot
Disallow: /

User-agent: ChatGPT
Disallow: /

User-agent: ChatGPT-User
Disallow: /

User-agent: discobot
Disallow: /

User-agent: FacebookBot
Disallow: /

User-agent: Gemini-Deep-Research
Disallow: /

User-agent: Google-Extended
Disallow: /

User-agent: GPTBot
Disallow: /

User-agent: SemrushBot
Disallow: /

User-agent: SemrushBot-SA
Disallow: /

User-agent: TikTokSpider
Disallow: /

User-agent: Twitterbot
Crawl-delay: 0
Disallow:

User-Agent: W3C-checklink
Crawl-delay: 0

User-agent: Yandex
Disallow: /

User-agent: YandexAdditional
Disallow: /

User-agent: YandexAdditionalBot
Disallow: /

User-agent: YouBot
Disallow: /

User-agent: *
Crawl-delay: 10
    Disallow: /az.php?
    Disallow: /az/databases?
    Disallow: /er.php
    Disallow: /err.php
    Disallow: /friendly.php
    Disallow: /go.php
    Disallow: /ld.php
    Disallow: /srch.php

    Sitemap: https://guides.loc.gov/sitemap.xml

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Search preview

Most important keywords

Following keywords were found. You can check the keyword optimization of this page for each keyword.

KeywordResultRecheck
Guides75%Check
Research Guides69%Check
Research63%Check
Library62%Check
Congress61%Check
Index50%Check
Research Center49%Check
optional39%Check
encouraged39%Check
title39%Check
Show more keywords and terms

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