Tools & Wizards About Us
controlledvocabulary.com screenshot

Report Summary

  • 91

    Performance

    Renders faster than
    91% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

controlledvocabulary.com

Controlled Vocabulary: your site for information on Keyword, Hierarchical Classification, Thesauri, Taxonomy and Subject Heading systems used to descr...

Page Load Speed

521 ms in total

First Response

113 ms

Resources Loaded

328 ms

Page Rendered

80 ms

controlledvocabulary.com screenshot

About Website

Visit controlledvocabulary.com now to see the best up-to-date Controlled Vocabulary content for United States and also check out these interesting facts you probably never knew about controlledvocabulary.com

A controlled vocabulary can be useful in describing images and information when organizing and classifying content for electronic databases. Find sample hierarchies and controlled vocabularies online.

Visit controlledvocabulary.com

Key Findings

We analyzed Controlledvocabulary.com page load time and found that the first response time was 113 ms and then it took 408 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

controlledvocabulary.com performance score

91

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.7 s

100/100

10%

LCP (Largest Contentful Paint)

Value3.1 s

76/100

25%

SI (Speed Index)

Value0.7 s

100/100

10%

TBT (Total Blocking Time)

Value180 ms

92/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.4 s

93/100

10%

Network Requests Diagram

controlledvocabulary.com

113 ms

js

58 ms

sfcvmnarrays.js

24 ms

cv-logo.gif

48 ms

sfmenucvmnns.js

50 ms

Our browser made a total of 12 requests to load all elements on the main page. We found that 67% of them (8 requests) were addressed to the original Controlledvocabulary.com, 17% (2 requests) were made to Googletagmanager.com and 17% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (113 ms) belongs to the original domain Controlledvocabulary.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 35.2 kB (54%)

Content Size

64.8 kB

After Optimization

29.6 kB

  • HTML
  • JavaScript

In fact, the total size of Controlledvocabulary.com main page is 64.8 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. 20% of websites need less resources to load. Javascripts take 49.8 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 11.4 kB

  • Original 15.0 kB
  • After minification 14.6 kB
  • After compression 3.6 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 11.4 kB or 76% of the original size.

JavaScript Optimization

-48%

Potential reduce by 23.8 kB

  • Original 49.8 kB
  • After minification 48.3 kB
  • After compression 26.1 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 23.8 kB or 48% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (36%)

Requests Now

11

After Optimization

7

  • AJAX
  • Images
  • JavaScript

The browser has sent 11 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Controlled Vocabulary. 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

controlledvocabulary.com

controlledvocabulary.com

113 ms

js

js

58 ms

sfcvmnarrays.js

sfcvmnarrays.js

24 ms

cv-logo.gif

cv-logo.gif

48 ms

sfmenucvmnns.js

sfmenucvmnns.js

50 ms

sequire6.gif

sequire6.gif

24 ms

sequire2.gif

sequire2.gif

26 ms

arrow_black1.gif

arrow_black1.gif

58 ms

arrow_y2.gif

arrow_y2.gif

58 ms

js

js

57 ms

analytics.js

analytics.js

15 ms

collect

collect

67 ms

Accessibility Review

controlledvocabulary.com accessibility score

93

Accessibility Issues

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

controlledvocabulary.com best practices score

67

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

SEO Factors

controlledvocabulary.com SEO score

75

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Controlledvocabulary.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 Controlledvocabulary.com main page’s claimed encoding is . 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

controlledvocabulary.com

Open Graph description is not detected on the main page of Controlled Vocabulary. 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: