Report Summary

  • 79

    Performance

    Renders faster than
    85% of other websites

  • 63

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 72

    SEO

    Google-friendlier than
    31% of websites

jamtime.com

jam time Boston's premiere indoor playground and enrichment center

Page Load Speed

796 ms in total

First Response

89 ms

Resources Loaded

574 ms

Page Rendered

133 ms

About Website

Click here to check amazing Jam Time content. Otherwise, check out these important facts you probably never knew about jamtime.com

Jam Time is Boston's premiere indoor playground and enrichment center for children and toddlers, offering classes, open play and birthday parties located in Maynard and Natick.

Visit jamtime.com

Key Findings

We analyzed Jamtime.com page load time and found that the first response time was 89 ms and then it took 707 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

jamtime.com performance score

79

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

64/100

10%

LCP (Largest Contentful Paint)

Value4.2 s

44/100

25%

SI (Speed Index)

Value2.6 s

97/100

10%

TBT (Total Blocking Time)

Value160 ms

94/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.1 s

86/100

10%

Network Requests Diagram

jamtime.com

89 ms

jamtime.com

123 ms

ga.js

23 ms

fbevents.js

39 ms

JT_mainstyleswide2.css

70 ms

Our browser made a total of 35 requests to load all elements on the main page. We found that 80% of them (28 requests) were addressed to the original Jamtime.com, 6% (2 requests) were made to Ssl.google-analytics.com and 6% (2 requests) were made to Dyn.yelpcdn.com. The less responsive or slowest element that took the longest time to load (229 ms) belongs to the original domain Jamtime.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 36.5 kB (14%)

Content Size

269.7 kB

After Optimization

233.2 kB

In fact, the total size of Jamtime.com main page is 269.7 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. 25% of websites need less resources to load. Images take 207.1 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 14.0 kB

  • Original 18.7 kB
  • After minification 15.9 kB
  • After compression 4.6 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. This page needs HTML code to be minified as it can gain 2.8 kB, which is 15% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 14.0 kB or 75% of the original size.

Image Optimization

-1%

Potential reduce by 1.1 kB

  • Original 207.1 kB
  • After minification 206.0 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. Jam Time images are well optimized though.

JavaScript Optimization

-45%

Potential reduce by 17.7 kB

  • Original 39.2 kB
  • After minification 30.6 kB
  • After compression 21.4 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 17.7 kB or 45% of the original size.

CSS Optimization

-77%

Potential reduce by 3.7 kB

  • Original 4.8 kB
  • After minification 3.3 kB
  • After compression 1.1 kB

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. Jamtime.com needs all CSS files to be minified and compressed as it can save up to 3.7 kB or 77% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (9%)

Requests Now

32

After Optimization

29

The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jam Time. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

jamtime.com accessibility score

63

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.

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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

jamtime.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

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

jamtime.com SEO score

72

Search Engine Optimization Advices

Content Best Practices

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

Impact

Issue

High

Links do not have descriptive text

High

Image elements do not have [alt] attributes

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jamtime.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 Jamtime.com main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

Open Graph description is not detected on the main page of Jam Time. 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: