Analyze mirrorcity | London artists on fiction and reality

London artists on fiction and reality

Page load speed analysis

  • 57/100

    Normal result
  • 6

    Successful tests
  • 2

    Failed tests
  • First response

    370 ms

  • Resources loaded

    1.7 sec

  • Page rendered

    431 ms

  • Total page load time

    2.5 sec

Visit now to see the best up-to-date Mirrorcity Southbankcentre content for United Kingdom and also check out these interesting facts you probably never knew about

We analyzed page load time and found that the first response time was 370 ms and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Page optimization

  • HTML 37.8 kB
    Images 483.9 kB
    Javascripts 361.0 kB
    CSS 30.4 kB

    In fact, the total size of main page is 913.2 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. 40% of websites need less resources to load. Images take 483.9 kB which makes up the majority of the site volume.

    • Original 37.8 kB
    • After minification 34.6 kB
    • After compression 7.6 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 30.2 kB or 80% of the original size.

    • Original 483.9 kB
    • After optimization 459.1 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. Mirrorcity Southbankcentre images are well optimized though.

    • Original 361.0 kB
    • After minification 271.5 kB
    • After compression 85.2 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 275.8 kB or 76% of the original size.

    • Original 30.4 kB
    • After minification 29.8 kB
    • After compression 7.5 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. needs all CSS files to be minified and compressed as it can save up to 22.9 kB or 75% of the original size.

Network requests diagram

  • css_PpiQEI-azlEmknynFVbTW6pWwXhVPT_fbABYbBL6JWQ.css
  • css_IArvZrrmndQTr6lNTpWLHilNE_IoMzNdwyCM44MZxFk.css
  • css_He_c6HprbspjKmlHHGFKrrfydyi2HU8b6CmLoPpz0JA.css
  • css_KMgqdfXvF4s4WwXEx82c1xcz_W99yYUlT4Xxwuy9LeQ.css
  • css_hUB2UO0O3te4pOGyX9JO-5zw6JDo1G-4PIkTE1Ao-_M.css
  • js_6TAnF117heNLUe_NSA6QrMWPUlMbDthN85wxrI4UFUM.js
  • js_z_RT-CVTaUSNmi-l9e0_2V_8vhK49hqEpcUllAOmSj0.js
  • js_KMuph6XgjQQbAOk7im0B0DIav-jHlUYnZNGK03boH0E.js
  • js_jQYJenAWz3kNxEQ-9C1ZnafvBdh0mWYn0BjUnZmM66A.js
  • js_qbxltBPefS2tIHJZzud_3tZRZcUQuoKcXFtqs_k8vJo.js
  • logo.png
  • Southbank_Hayward_logo.png
  • Pil%20and%20Galia%20Kollectiv_web_0e268.jpg
  • hayward-gallery_1cc3f.jpg
  • Anne%20Hardy%2C%20Suite%2C%20webefa2.jpg
  • MIRR_Ursula%20Mayer%2C%20Gonda%201_0d751.jpg
  • cf3(8)%20web_09a4b.jpg
  • SWELL_0066_G7d8d.jpg
  • PostIts5d94.jpg
  • 11f43.jpg
  • DIAL-A-RIDE-WALLER1-web3fe3.jpg
  • 1.%20Rai%20Stones_03050.jpg
  • Ellipsis_logob079.jpg
  • Nor-HiRes014f.jpg
  • mirrorcity_videoboards_start_0beb8.jpg
  • Dial%20Tone%20Operator6c75.jpg
  • DC%20Tshani244bf.jpg
  • Mirrorcity_covera3d2.jpg
  • mirrorcity_white_screen0e71.jpg
  • concrete02webef10.jpg
  • mirrorcityremix0a5a.jpg
  • 7.%20Yellow%20Van%2C%20Kiev%20web_13c5e.jpg
  • um_gonda_730x4404944.jpg
  • cf4(4)%20webbd71.jpg
  • southbank-centre-logo-footer.gif
  • lottery_eps_black.png
  • lineto-akkurat-pro-light.woff
  • sbclutz.woff
  • sbcakkbdpro1.woff
  • analytics.js
  • collect

Our browser made a total of 42 requests to load all elements on the main page. We found that 95% of them (40 requests) were addressed to the original, 5% (2 requests) were made to The less responsive or slowest element that took the longest time to load (977 ms) belongs to the original domain

Additional info on


The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Mirrorcity Southbankcentre. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.









Possible request optimization











Normal result

IP address uses IP address which is currently shared with 3 other domains. The more sites share the same IP address, 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.

Poor result

IP Trace

DNS records

Type Host Target/ip TTL Other
A 4
NS 298
NS 298
NS 298
NS 298

Language and encoding

Good result


EN en language flag


EN en language flag





Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 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 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 has no SSL certificate. Web browsing can be safer with HTTPS connection, so we suggest that it should be obtained for this site.

Normal result

Visitor World Map

Country of origin for 54.6% of all visits is United Kingdom. It lies approximately 180 miles away from the server location (Ireland) and such a small distance can positively affect website speed, as data can travel really fast between those locations.

Good result

Normal result

Social Sharing Optimization

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

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