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1902encyclopedia.com screenshot

Report Summary

  • 90

    Performance

    Renders faster than
    91% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

1902encyclopedia.com

1902 Encyclopedia (Encyclopaedia Britannica, 9th and 10th Editions)

Page Load Speed

1 sec in total

First Response

57 ms

Resources Loaded

587 ms

Page Rendered

383 ms

1902encyclopedia.com screenshot

About Website

Welcome to 1902encyclopedia.com homepage info - get ready to check 1902 Encyclopedia best content for Russia right away, or after learning these important things about 1902encyclopedia.com

Articles from 9th and 10th Editions of Encyclopaedia Britannica.

Visit 1902encyclopedia.com

Key Findings

We analyzed 1902encyclopedia.com page load time and found that the first response time was 57 ms and then it took 970 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

1902encyclopedia.com performance score

90

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.8 s

89/100

10%

LCP (Largest Contentful Paint)

Value2.1 s

96/100

25%

SI (Speed Index)

Value1.8 s

100/100

10%

TBT (Total Blocking Time)

Value180 ms

92/100

30%

CLS (Cumulative Layout Shift)

Value0.162

72/100

15%

TTI (Time to Interactive)

Value3.7 s

90/100

10%

Network Requests Diagram

1902encyclopedia.com

57 ms

www.1902encyclopedia.com

143 ms

1902-encyclopedia.gif

39 ms

branding.css

14 ms

brand

24 ms

Our browser made a total of 25 requests to load all elements on the main page. We found that 12% of them (3 requests) were addressed to the original 1902encyclopedia.com, 28% (7 requests) were made to Apis.google.com and 16% (4 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (227 ms) relates to the external source Googleads.g.doubleclick.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 499.0 kB (60%)

Content Size

838.3 kB

After Optimization

339.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of 1902encyclopedia.com main page is 838.3 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. 45% of websites need less resources to load. Javascripts take 702.6 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 66.9 kB

  • Original 84.0 kB
  • After minification 81.1 kB
  • After compression 17.2 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 66.9 kB or 80% of the original size.

Image Optimization

-2%

Potential reduce by 906 B

  • Original 51.3 kB
  • After minification 50.4 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. 1902 Encyclopedia images are well optimized though.

JavaScript Optimization

-61%

Potential reduce by 431.2 kB

  • Original 702.6 kB
  • After minification 702.0 kB
  • After compression 271.5 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 431.2 kB or 61% of the original size.

CSS Optimization

-24%

Potential reduce by 77 B

  • Original 322 B
  • After minification 322 B
  • After compression 245 B

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. 1902encyclopedia.com needs all CSS files to be minified and compressed as it can save up to 77 B or 24% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (57%)

Requests Now

21

After Optimization

9

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 21 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 1902 Encyclopedia. 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 as a result speed up the page load time.

Network Requests Diagram

1902encyclopedia.com

1902encyclopedia.com

57 ms

www.1902encyclopedia.com

www.1902encyclopedia.com

143 ms

1902-encyclopedia.gif

1902-encyclopedia.gif

39 ms

branding.css

branding.css

14 ms

brand

brand

24 ms

plusone.js

plusone.js

60 ms

branding.css

branding.css

38 ms

brand

brand

34 ms

show_ads.js

show_ads.js

31 ms

googlelogo_lightgrey_46x16dp.png

googlelogo_lightgrey_46x16dp.png

97 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

43 ms

cb=gapi.loaded_1

cb=gapi.loaded_1

55 ms

fastbutton

fastbutton

138 ms

ca-pub-5033259942140843.js

ca-pub-5033259942140843.js

159 ms

zrt_lookup.html

zrt_lookup.html

131 ms

show_ads_impl.js

show_ads_impl.js

67 ms

ga.js

ga.js

32 ms

postmessageRelay

postmessageRelay

142 ms

__utm.gif

__utm.gif

95 ms

rs=AGLTcCOnDxwX8-LbpDmaxOBIoHm7W_kGNA

rs=AGLTcCOnDxwX8-LbpDmaxOBIoHm7W_kGNA

66 ms

ads

ads

227 ms

osd.js

osd.js

47 ms

971028622-postmessagerelay.js

971028622-postmessagerelay.js

25 ms

rpc:shindig_random.js

rpc:shindig_random.js

56 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

3 ms

Accessibility Review

1902encyclopedia.com accessibility score

83

Accessibility Issues

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

<frame> or <iframe> elements do not have a title

High

Links do not have a discernible name

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

1902encyclopedia.com best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

1902encyclopedia.com SEO score

75

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 1902encyclopedia.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that 1902encyclopedia.com 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

1902encyclopedia.com

Open Graph description is not detected on the main page of 1902 Encyclopedia. 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: