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search.archives.gov screenshot

Report Summary

  • 37

    Performance

    Renders faster than
    57% of other websites

  • 97

    Accessibility

    Visual factors better than
    that of 92% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 81

    SEO

    Google-friendlier than
    43% of websites

search.archives.gov

National Archives |

Page Load Speed

485 ms in total

First Response

78 ms

Resources Loaded

272 ms

Page Rendered

135 ms

search.archives.gov screenshot

About Website

Welcome to search.archives.gov homepage info - get ready to check Search Archives best content for United States right away, or after learning these important things about search.archives.gov

Visit search.archives.gov

Key Findings

We analyzed Search.archives.gov page load time and found that the first response time was 78 ms and then it took 407 ms to load all DOM resources and completely render a web page. This is an excellent result, as only 5% of websites can load faster.

Performance Metrics

search.archives.gov performance score

37

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

27/100

10%

LCP (Largest Contentful Paint)

Value5.5 s

18/100

25%

SI (Speed Index)

Value4.9 s

65/100

10%

TBT (Total Blocking Time)

Value810 ms

36/100

30%

CLS (Cumulative Layout Shift)

Value0.186

65/100

15%

TTI (Time to Interactive)

Value9.7 s

28/100

10%

Network Requests Diagram

search.archives.gov

78 ms

AJS.js

52 ms

AJS_fx.js

61 ms

gb_scripts.js

71 ms

gb_styles.css

55 ms

Our browser made a total of 19 requests to load all elements on the main page. We found that 89% of them (17 requests) were addressed to the original Search.archives.gov, 11% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (82 ms) belongs to the original domain Search.archives.gov.

Page Optimization Overview & Recommendations

Page size can be reduced by 73.8 kB (49%)

Content Size

149.5 kB

After Optimization

75.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Search.archives.gov main page is 149.5 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. Only 10% of websites need less resources to load. Javascripts take 80.0 kB which makes up the majority of the site volume.

HTML Optimization

-66%

Potential reduce by 4.3 kB

  • Original 6.4 kB
  • After minification 5.9 kB
  • After compression 2.2 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 4.3 kB or 66% of the original size.

Image Optimization

-23%

Potential reduce by 12.8 kB

  • Original 54.9 kB
  • After minification 42.1 kB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Obviously, Search Archives needs image optimization as it can save up to 12.8 kB or 23% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-63%

Potential reduce by 50.3 kB

  • Original 80.0 kB
  • After minification 78.5 kB
  • After compression 29.7 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 50.3 kB or 63% of the original size.

CSS Optimization

-78%

Potential reduce by 6.3 kB

  • Original 8.1 kB
  • After minification 5.2 kB
  • After compression 1.8 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Search.archives.gov needs all CSS files to be minified and compressed as it can save up to 6.3 kB or 78% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (24%)

Requests Now

17

After Optimization

13

  • Images
  • JavaScript
  • CSS

The browser has sent 17 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Search Archives. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

search.archives.gov

search.archives.gov

78 ms

AJS.js

AJS.js

52 ms

AJS_fx.js

AJS_fx.js

61 ms

gb_scripts.js

gb_scripts.js

71 ms

gb_styles.css

gb_styles.css

55 ms

help.js

help.js

55 ms

default.css

default.css

61 ms

Standard.css

Standard.css

75 ms

default.css

default.css

82 ms

analytics.js

analytics.js

19 ms

logo-2010.jpg

logo-2010.jpg

33 ms

search-header-2010.jpg

search-header-2010.jpg

44 ms

faqs-blue.gif

faqs-blue.gif

33 ms

search-button-small.gif

search-button-small.gif

34 ms

collect

collect

24 ms

w_close.gif

w_close.gif

24 ms

header_bg.gif

header_bg.gif

29 ms

g_close.gif

g_close.gif

39 ms

indicator.gif

indicator.gif

42 ms

Accessibility Review

search.archives.gov accessibility score

97

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Best Practices

search.archives.gov best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

search.archives.gov SEO score

81

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Search.archives.gov can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Search.archives.gov main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

search.archives.gov

Open Graph description is not detected on the main page of Search Archives. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: