Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 67

    Accessibility

    Visual factors better than
    that of 32% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

tvhistory.tv

Television History - The First 75 Years

Page Load Speed

903 ms in total

First Response

231 ms

Resources Loaded

569 ms

Page Rendered

103 ms

tvhistory.tv screenshot

About Website

Click here to check amazing Tv History content for United States. Otherwise, check out these important facts you probably never knew about tvhistory.tv

History of TV set design, development and marketing. Photographs of sets, early program information, timelines, magazines, books and toys.

Visit tvhistory.tv

Key Findings

We analyzed Tvhistory.tv page load time and found that the first response time was 231 ms and then it took 672 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

tvhistory.tv performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.8 s

100/100

10%

LCP (Largest Contentful Paint)

Value1.2 s

100/100

25%

SI (Speed Index)

Value0.8 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value0.8 s

100/100

10%

Network Requests Diagram

tvhistory.tv

231 ms

27AATV.JPG

115 ms

picosmall.gif

264 ms

countnow.cgi

102 ms

countnow.cgi

172 ms

Our browser made a total of 8 requests to load all elements on the main page. We found that 25% of them (2 requests) were addressed to the original Tvhistory.tv, 25% (2 requests) were made to Picosearch.com and 25% (2 requests) were made to Www1.addfreestats.com. The less responsive or slowest element that took the longest time to load (264 ms) relates to the external source Picosearch.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 8.1 kB (47%)

Content Size

17.3 kB

After Optimization

9.2 kB

In fact, the total size of Tvhistory.tv main page is 17.3 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. HTML takes 10.1 kB which makes up the majority of the site volume.

HTML Optimization

-68%

Potential reduce by 6.8 kB

  • Original 10.1 kB
  • After minification 9.4 kB
  • After compression 3.2 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 6.8 kB or 68% of the original size.

Image Optimization

-13%

Potential reduce by 835 B

  • Original 6.4 kB
  • After minification 5.6 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, Tv History needs image optimization as it can save up to 835 B or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-51%

Potential reduce by 419 B

  • Original 824 B
  • After minification 821 B
  • After compression 405 B

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 419 B or 51% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

4

After Optimization

4

The browser has sent 4 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tv History. According to our analytics all requests are already optimized.

Accessibility Review

tvhistory.tv accessibility score

67

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

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

tvhistory.tv 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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

tvhistory.tv SEO score

75

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    WINDOWS-1252

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tvhistory.tv 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 Tvhistory.tv main page’s claimed encoding is windows-1252. 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

Open Graph description is not detected on the main page of Tv 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: