Report Summary

  • 32

    Performance

    Renders faster than
    52% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 67% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 96

    SEO

    Google-friendlier than
    91% of websites

concertposters.com

Vintage Concert, Music, Rock & Band Posters

Page Load Speed

858 ms in total

First Response

172 ms

Resources Loaded

571 ms

Page Rendered

115 ms

concertposters.com screenshot

About Website

Click here to check amazing Concert Posters content for United States. Otherwise, check out these important facts you probably never knew about concertposters.com

Wolfgang's vintage concert & music posters, handbills and vintage concert tickets are authentic and collectible most coming directly from the famous Bill Graham archive.

Visit concertposters.com

Key Findings

We analyzed Concertposters.com page load time and found that the first response time was 172 ms and then it took 686 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

concertposters.com performance score

32

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

49/100

10%

LCP (Largest Contentful Paint)

Value5.6 s

18/100

25%

SI (Speed Index)

Value5.4 s

55/100

10%

TBT (Total Blocking Time)

Value5,740 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value11.8 s

17/100

10%

Network Requests Diagram

concertposters.com

172 ms

enter-store.gif

220 ms

BGP153-PO.jpg

128 ms

horiz_bar.gif

104 ms

dk_gray_pin.gif

105 ms

Our browser made a total of 38 requests to load all elements on the main page. We found that 92% of them (35 requests) were addressed to the original Concertposters.com, 3% (1 request) were made to Images.wolfgangsvault.com and 3% (1 request) were made to Adserver.adtechus.com. The less responsive or slowest element that took the longest time to load (391 ms) belongs to the original domain Concertposters.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 36.4 kB (25%)

Content Size

147.7 kB

After Optimization

111.2 kB

In fact, the total size of Concertposters.com main page is 147.7 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. Images take 130.6 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 12.8 kB

  • Original 16.6 kB
  • After minification 16.1 kB
  • After compression 3.8 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. 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 12.8 kB or 77% of the original size.

Image Optimization

-18%

Potential reduce by 23.4 kB

  • Original 130.6 kB
  • After minification 107.2 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, Concert Posters needs image optimization as it can save up to 23.4 kB or 18% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-37%

Potential reduce by 183 B

  • Original 493 B
  • After minification 488 B
  • After compression 310 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 183 B or 37% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

37

After Optimization

37

The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Concert Posters. According to our analytics all requests are already optimized.

Accessibility Review

concertposters.com accessibility score

87

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.

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

concertposters.com best practices score

75

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

Browser errors were logged to the console

SEO Factors

concertposters.com SEO score

96

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

High

Tap targets are not sized appropriately

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 Concertposters.com 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 Concertposters.com 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 Concert Posters. 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: