Report Summary

  • 72

    Performance

    Renders faster than
    82% of other websites

  • 67

    Accessibility

    Visual factors better than
    that of 32% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

concert-diary.com

Concert Diary - Classical concerts UK

Page Load Speed

2.5 sec in total

First Response

253 ms

Resources Loaded

1.9 sec

Page Rendered

353 ms

concert-diary.com screenshot

About Website

Click here to check amazing Concert Diary content for United Kingdom. Otherwise, check out these important facts you probably never knew about concert-diary.com

Concert Diary, Classical concerts UK, live concert listings in England, Wales, Scotland and Northern Ireland

Visit concert-diary.com

Key Findings

We analyzed Concert-diary.com page load time and found that the first response time was 253 ms and then it took 2.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

concert-diary.com performance score

72

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

58/100

10%

LCP (Largest Contentful Paint)

Value4.8 s

30/100

25%

SI (Speed Index)

Value4.3 s

76/100

10%

TBT (Total Blocking Time)

Value140 ms

95/100

30%

CLS (Cumulative Layout Shift)

Value0.047

99/100

15%

TTI (Time to Interactive)

Value4.7 s

80/100

10%

Network Requests Diagram

concert-diary.com

253 ms

concert-diary.com

644 ms

221 ms

jquery.min.js

31 ms

jquery-ui.min.js

45 ms

Our browser made a total of 46 requests to load all elements on the main page. We found that 87% of them (40 requests) were addressed to the original Concert-diary.com, 4% (2 requests) were made to Ajax.googleapis.com and 4% (2 requests) were made to Ssl.google-analytics.com. The less responsive or slowest element that took the longest time to load (713 ms) belongs to the original domain Concert-diary.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 83.4 kB (15%)

Content Size

556.1 kB

After Optimization

472.7 kB

In fact, the total size of Concert-diary.com main page is 556.1 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. 35% of websites need less resources to load. Images take 302.1 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 69.5 kB

  • Original 82.2 kB
  • After minification 74.1 kB
  • After compression 12.7 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 69.5 kB or 85% of the original size.

Image Optimization

-4%

Potential reduce by 13.2 kB

  • Original 302.1 kB
  • After minification 288.9 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. Concert Diary images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 679 B

  • Original 171.8 kB
  • After minification 171.8 kB
  • After compression 171.1 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. This website has mostly compressed JavaScripts.

Requests Breakdown

Number of requests can be reduced by 10 (23%)

Requests Now

43

After Optimization

33

The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Concert Diary. 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.

Accessibility Review

concert-diary.com accessibility score

67

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

ARIA IDs are not unique

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

concert-diary.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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

concert-diary.com SEO score

85

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Page is blocked from indexing

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Concert-diary.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 Concert-diary.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

Open Graph description is not detected on the main page of Concert Diary. 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: