Tools & Wizards About Us
cliohistory.org screenshot

Report Summary

  • 36

    Performance

    Renders faster than
    56% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

cliohistory.org

Clio Visualizing History: Exploring Visual History with One-of-a-Kind Online History Exhibits

Page Load Speed

1.6 sec in total

First Response

45 ms

Resources Loaded

319 ms

Page Rendered

1.2 sec

cliohistory.org screenshot

About Website

Click here to check amazing Clio History content for United States. Otherwise, check out these important facts you probably never knew about cliohistory.org

Clio Visualizing History explores the unique role visual images play in American history through online visual history exhibits.

Visit cliohistory.org

Key Findings

We analyzed Cliohistory.org page load time and found that the first response time was 45 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

cliohistory.org performance score

36

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

44/100

10%

LCP (Largest Contentful Paint)

Value6.5 s

9/100

25%

SI (Speed Index)

Value6.4 s

40/100

10%

TBT (Total Blocking Time)

Value1,050 ms

25/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value9.7 s

28/100

10%

Network Requests Diagram

cliohistory.org

45 ms

www.cliohistory.org

65 ms

bootstrap.min.css

56 ms

848a859dcba820b539d2cdb3bd5047a1.css

9 ms

magnific-popup.css

32 ms

Our browser made a total of 43 requests to load all elements on the main page. We found that 74% of them (32 requests) were addressed to the original Cliohistory.org, 5% (2 requests) were made to Stackpath.bootstrapcdn.com and 5% (2 requests) were made to Votesforwomen.cliohistory.org. The less responsive or slowest element that took the longest time to load (158 ms) relates to the external source Googletagmanager.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 17.9 kB (1%)

Content Size

1.5 MB

After Optimization

1.5 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Cliohistory.org main page is 1.5 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 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 17.9 kB

  • Original 22.9 kB
  • After minification 18.7 kB
  • After compression 5.0 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 4.2 kB, which is 18% 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 17.9 kB or 78% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 1.3 MB
  • After minification 1.3 MB

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. Clio History images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 0 B

  • Original 180.6 kB
  • After minification 180.6 kB
  • After compression 180.6 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. This website has mostly compressed JavaScripts.

Requests Breakdown

Number of requests can be reduced by 19 (49%)

Requests Now

39

After Optimization

20

  • Images
  • JavaScript
  • CSS

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Clio History. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

cliohistory.org

cliohistory.org

45 ms

www.cliohistory.org

www.cliohistory.org

65 ms

bootstrap.min.css

bootstrap.min.css

56 ms

848a859dcba820b539d2cdb3bd5047a1.css

848a859dcba820b539d2cdb3bd5047a1.css

9 ms

magnific-popup.css

magnific-popup.css

32 ms

styles.css

styles.css

46 ms

paypal.css

paypal.css

45 ms

quilts.css

quilts.css

45 ms

css

css

65 ms

jquery.min.js

jquery.min.js

54 ms

img_preloader.js

img_preloader.js

44 ms

intro-video.js

intro-video.js

44 ms

paypal.js

paypal.js

79 ms

quilts.js

quilts.js

61 ms

clionav.css

clionav.css

90 ms

js

js

158 ms

E-v1.js

E-v1.js

88 ms

jquery-3.4.1.min.js

jquery-3.4.1.min.js

60 ms

bootstrap.min.js

bootstrap.min.js

74 ms

jquery.magnific-popup.min.js

jquery.magnific-popup.min.js

59 ms

jquery.filter-isImageFile.min.js

jquery.filter-isImageFile.min.js

59 ms

jquery.mfpInlineFunctions.min.js

jquery.mfpInlineFunctions.min.js

57 ms

706b215df7e7fb389cc4d97204d307b8.js

706b215df7e7fb389cc4d97204d307b8.js

59 ms

bg-navcrumbs-hover.gif

bg-navcrumbs-hover.gif

80 ms

bg-navcrumbs-left-hover.gif

bg-navcrumbs-left-hover.gif

81 ms

bg-navpage-hover.gif

bg-navpage-hover.gif

81 ms

intro-cover.jpg

intro-cover.jpg

45 ms

csm_clio_cover_votes_aea23a21c2.jpg

csm_clio_cover_votes_aea23a21c2.jpg

37 ms

csm_clio_cover_click_df669cdfd5.jpg

csm_clio_cover_click_df669cdfd5.jpg

28 ms

csm_clio_cover_tel_a161a56019.jpg

csm_clio_cover_tel_a161a56019.jpg

28 ms

csm_clio_cover_ptp_d857482d4b.jpg

csm_clio_cover_ptp_d857482d4b.jpg

45 ms

csm_clio_cover_quilts_bb6376d104.jpg

csm_clio_cover_quilts_bb6376d104.jpg

29 ms

csm_clio_cover_native_d5eb83a907.jpg

csm_clio_cover_native_d5eb83a907.jpg

45 ms

csm_clio_cover_fbj_fd1cb305ba.jpg

csm_clio_cover_fbj_fd1cb305ba.jpg

45 ms

csm_clio_cover_allen_62e5515b35.jpg

csm_clio_cover_allen_62e5515b35.jpg

43 ms

csm_clio_cover_withington_c5caafcf5d.jpg

csm_clio_cover_withington_c5caafcf5d.jpg

45 ms

csm_clio_cover_cardozo_edac7ff426.jpg

csm_clio_cover_cardozo_edac7ff426.jpg

45 ms

csm_clio_cover_oconnor_7122065621.jpg

csm_clio_cover_oconnor_7122065621.jpg

47 ms

csm_clio_cover_mcgraw_61b648655f.jpg

csm_clio_cover_mcgraw_61b648655f.jpg

49 ms

bg-header-allen.jpg

bg-header-allen.jpg

50 ms

logo-clio-rev.svg

logo-clio-rev.svg

20 ms

pe1mMImSLYBIv1o4X1M8ce2xCx3yop4tQpF_MeTm0lfGWVpNn64CL7U8upHZIbMV51Q42ptCp5F5bxqqtQ1yiU4GMS5Xs1Ug.ttf

pe1mMImSLYBIv1o4X1M8ce2xCx3yop4tQpF_MeTm0lfGWVpNn64CL7U8upHZIbMV51Q42ptCp5F5bxqqtQ1yiU4GMS5Xs1Ug.ttf

25 ms

pe1mMImSLYBIv1o4X1M8ce2xCx3yop4tQpF_MeTm0lfGWVpNn64CL7U8upHZIbMV51Q42ptCp5F5bxqqtQ1yiU4G1ilXs1Ug.ttf

pe1mMImSLYBIv1o4X1M8ce2xCx3yop4tQpF_MeTm0lfGWVpNn64CL7U8upHZIbMV51Q42ptCp5F5bxqqtQ1yiU4G1ilXs1Ug.ttf

31 ms

Accessibility Review

cliohistory.org accessibility score

98

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

cliohistory.org 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

cliohistory.org SEO score

100

Search Engine Optimization Advices

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cliohistory.org 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 Cliohistory.org 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

cliohistory.org

Open Graph description is not detected on the main page of Clio History. 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: