Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 0

    Best Practices

  • 0

    SEO

Page Load Speed

1.1 sec in total

First Response

102 ms

Resources Loaded

750 ms

Page Rendered

279 ms

rs7.loc.gov screenshot

About Website

Welcome to rs7.loc.gov homepage info - get ready to check Rs 7 Loc best content for United States right away, or after learning these important things about rs7.loc.gov

The Library of Congress is the nation's oldest federal cultural institution, and it serves as the research arm of Congress. It is also the largest library in the world, with more than 120 million item...

Visit rs7.loc.gov

Key Findings

We analyzed Rs7.loc.gov page load time and found that the first response time was 102 ms and then it took 1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

rs7.loc.gov performance score

0

Network Requests Diagram

rs7.loc.gov

102 ms

index.html

17 ms

www.loc.gov

57 ms

base.css

20 ms

jquery-1.8.2.min.js

65 ms

Our browser made a total of 45 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Rs7.loc.gov, 89% (40 requests) were made to Loc.gov and 4% (2 requests) were made to Cdn.loc.gov. The less responsive or slowest element that took the longest time to load (368 ms) relates to the external source Loc.gov.

Page Optimization Overview & Recommendations

Page size can be reduced by 818.5 kB (46%)

Content Size

1.8 MB

After Optimization

949.5 kB

In fact, the total size of Rs7.loc.gov main page is 1.8 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 55% of websites need less resources to load. Images take 751.0 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 95.3 kB

  • Original 112.1 kB
  • After minification 65.2 kB
  • After compression 16.8 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. This page needs HTML code to be minified as it can gain 46.8 kB, which is 42% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 95.3 kB or 85% of the original size.

Image Optimization

-1%

Potential reduce by 4.2 kB

  • Original 751.0 kB
  • After minification 746.8 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. Rs 7 Loc images are well optimized though.

JavaScript Optimization

-75%

Potential reduce by 439.4 kB

  • Original 587.0 kB
  • After minification 522.1 kB
  • After compression 147.6 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 439.4 kB or 75% of the original size.

CSS Optimization

-88%

Potential reduce by 279.6 kB

  • Original 318.0 kB
  • After minification 255.8 kB
  • After compression 38.4 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. Rs7.loc.gov needs all CSS files to be minified and compressed as it can save up to 279.6 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (7%)

Requests Now

41

After Optimization

38

The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rs 7 Loc. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

SEO Factors

rs7.loc.gov SEO score

0

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rs7.loc.gov can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is English. Our system also found out that Rs7.loc.gov main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

Open Graph description is not detected on the main page of Rs 7 Loc. 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: