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readworks.org: ReadWorks

Improve your students’ reading comprehension with ReadWorks. Access thousands of high-quality, free K-12 articles, and create online assignments with them for your students.

Page load speed analysis

  • 78/100

    Good result
  • 7

    Successful tests
  • 1

    Failed test
  • First response

    29 ms

  • Resources loaded

    597 ms

  • Page rendered

    174 ms

  • Total page load time

    800 ms

Welcome to readworks.org homepage info - get ready to check Read Works best content for United States right away, or after learning these important things about readworks.org

We analyzed Readworks.org page load time and found that the first response time was 29 ms and then it took 771 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.

Page optimization

  • HTML 44.4 kB
    Images 473.8 kB
    Javascripts 258.5 kB
    CSS 296.2 kB

    In fact, the total size of Readworks.org main page is 1.1 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 60% of websites need less resources to load. Images take 473.8 kB which makes up the majority of the site volume.

    • Original 44.4 kB
    • After minification 44.4 kB
    • After compression 9.0 kB

    HTML optimization

    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 35.4 kB or 80% of the original size.

    • Original 473.8 kB
    • After optimization 450.7 kB

    Image optimization

    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. Read Works images are well optimized though.

    • Original 258.5 kB
    • After minification 258.2 kB
    • After compression 77.3 kB

    JavaScript optimization

    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 181.2 kB or 70% of the original size.

    • Original 296.2 kB
    • After minification 290.9 kB
    • After compression 54.2 kB

    CSS optimization

    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. Readworks.org needs all CSS files to be minified and compressed as it can save up to 242.1 kB or 82% of the original size.

Network requests diagram

  • readworks.org
  • www.readworks.org
  • css
  • font-awesome.min.css
  • css_pbm0lsQQJ7A7WCCIMgxLho6mI_kBNgznNUWmTWcnfoE.css
  • css_vZ_wrMQ9Og-YPPxa1q4us3N7DsZMJa-14jShHgRoRNo.css
  • css_pmb6nFI0vyRo54QdHy5Qd4VUvkT3hSeial-Ghhg2P8Y.css
  • css_poXIrwrQvPwwW-1_Wt1Rj5BIYLGPw8oaXuOjNMQxSW8.css
  • css_Ibe1uKPyAnBYICTVzTB_WDS4o2lvJjUMLgSzBsntr6g.css
  • js_xAPl0qIk9eowy_iS9tNkCWXLUVoat94SQT48UBCFkyQ.js
  • js_-mgvBw47XexQovmO9X158ZCaP9al-0RXnohwpJZ9YM4.js
  • js_ukg2HBr6NFMImOcuQbqPjZNaVBsGjFLoxXhjST8baqU.js
  • js_bXVPlsBHtRT98NIzd-AEVVMXkI7OE2sfmMp1hVEKkAM.js
  • js_uK3Bx0MvB3ycKBCCbRPSbwKXkDXzaKm_rjnGdTSpNtM.js
  • js_KF_5_pKvkDMlvp7ikOPWsaC26sQaObd8YWh6PVPeCFA.js
  • js_C4H0UimiVCMWz7W6GKqCPNRbq3V6GO1vsNZDvSL6zE4.js
  • analytics.js
  • noid
  • readworks_footer.jpg
  • logo.png
  • RW_teacherslides-Slide-1.jpg
  • RW_teacherslides_2_0.jpg
  • RW_teacherslides_3_0.jpg
  • bg-promo-top.png
  • bg-promo-strip.png
  • arrow.gif
  • Screen%20Shot%202013-10-15%20at%205_36_51%20PM.png
  • bg-promo-bottom.png
  • widget-level-1.png
  • widget-concepts.png
  • ajax-loader.gif
  • sprite-feedback.png
  • sprite-desk-com.png
  • ico-edmodo-large.png
  • ico-twitter.gif
  • ico-facebook.gif
  • ico-pinterest.gif
  • fontawesome-webfont.woff
  • PVOGkCtOX7e_D5p8KeOQ4_esZW2xOQ-xsNqO47m55DA.ttf
  • collect
  • collect
  • css_L1dEsBwwFoTdAetCdKrhgWURUFAo9KOBa-IescU3-gg.css
  • css_CRCArmznnGs9sVgqjvJo7i1n4HINZHXBEhH2WD0Pgfc.css

Our browser made a total of 43 requests to load all elements on the main page. We found that 88% of them (38 requests) were addressed to the original Readworks.org, 7% (3 requests) were made to Google-analytics.com and 2% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (166 ms) belongs to the original domain Readworks.org.

Additional info on readworks.org

Requests

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Read Works. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

8

Javascripts

21

Images

9

CSS

2

AJAX

40

All

Possible request optimization

1

Javascripts

15

Images

1

CSS

2

AJAX

21

Optimized

19

All

Normal result

Redirects

As for redirects, our browser was forwarded to http://www.readworks.org/ before it reached this domain.

IP address

Readworks.org uses IP addresses which are currently shared with 1 other domain. The more sites share the same stack of IP addresses, the higher the host server’s workload is. It is strongly recommended that the host server should be changed or the hosting provider should be requested to give a different (separate) IP address for this domain.

Normal result

IP Trace

readworks.org

34.210.66.181

54.186.42.166

readworks.org

arkcrystals.com

52.88.12.134

DNS records

Type Host Target/ip TTL Other
A

readworks.org

54.186.42.166 60
A

readworks.org

34.210.66.181 60
A

readworks.org

52.88.12.134 60
NS

readworks.org

ns-1313.awsdns-36.org 60
NS

readworks.org

ns-1694.awsdns-19.co.uk 60

Language and encoding

Good result

Language

EN en language flag

Detected

EN en language flag

Claimed

Encoding

UTF-8

Claimed

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Readworks.org 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 Readworks.org 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.

HTTPS certificate

SSL Certificate

Readworks.org has no SSL certificate. Web browsing can be safer with HTTPS connection, so we suggest that it should be obtained for this site.

Poor result

Visitor World Map

Country of origin for 93.9% of all visits is United States. It’s good for Readworks.org that their server is also located in United States, as that enables the majority of their visitors to benefit from a much faster page load time.

Good result

Good result

Social Sharing Optimization

Open Graph data is detected on the main page of Read Works. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook:

readworks.org

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