Optimizations

.idea/dictionaries/Schme.xml

@@ -2,18 +2,22 @@
   <dictionary name="Schme">
     <words>
       <w>contenthash</w>
+      <w>cybersecurity</w>
       <w>ffffff</w>
       <w>gifsicle</w>
       <w>imagemin</w>
       <w>jpegtran</w>
       <w>lato</w>
+      <w>markwon</w>
       <w>mozjpeg</w>
       <w>noquotes</w>
       <w>opacify</w>
       <w>optipng</w>
       <w>pngquant</w>
       <w>raleway</w>
+      <w>screenshot</w>
       <w>transparentize</w>
+      <w>webm</w>
       <w>webp</w>
     </words>
   </dictionary>

.idea/workspace.xml

@@ -2,28 +2,30 @@
 <project version="4">
   <component name="ChangeListManager">
     <list default="true" id="8edc47ab-1265-4111-9771-536b24cc9310" name="Default Changelist" comment="">
+      <change afterPath="$PROJECT_DIR$/src/static/media/forex.mp4" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/src/static/media/forex.webm" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/src/static/media/led.mp4" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/src/static/media/led.webm" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/.idea/dictionaries/Schme.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/dictionaries/Schme.xml" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/custom.d.ts" beforeDir="false" afterPath="$PROJECT_DIR$/custom.d.ts" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/package.json" beforeDir="false" afterPath="$PROJECT_DIR$/package.json" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/index.html" beforeDir="false" afterPath="$PROJECT_DIR$/src/index.html" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/framework/helper.ts" beforeDir="false" afterPath="$PROJECT_DIR$/src/framework/helper.ts" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/page/about/about.scss" beforeDir="false" afterPath="$PROJECT_DIR$/src/page/about/about.scss" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/model/content.ts" beforeDir="false" afterPath="$PROJECT_DIR$/src/model/content.ts" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/page/background/background.scss" beforeDir="false" afterPath="$PROJECT_DIR$/src/page/background/background.scss" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/model/misc.ts" beforeDir="false" afterPath="$PROJECT_DIR$/src/model/misc.ts" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/page/background/background.ts" beforeDir="false" afterPath="$PROJECT_DIR$/src/page/background/background.ts" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/model/portfolio.ts" beforeDir="false" afterPath="$PROJECT_DIR$/src/model/portfolio.ts" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/page/background/blob.ts" beforeDir="false" afterPath="$PROJECT_DIR$/src/page/background/blob.ts" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/page/about/about.html.ts" beforeDir="false" afterPath="$PROJECT_DIR$/src/page/about/about.html.ts" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/page/about/about.ts" beforeDir="false" afterPath="$PROJECT_DIR$/src/page/about/about.ts" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/page/content/content.scss" beforeDir="false" afterPath="$PROJECT_DIR$/src/page/content/content.scss" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/src/page/content/content.ts" beforeDir="false" afterPath="$PROJECT_DIR$/src/page/content/content.ts" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/src/page/footer/footer.html.ts" beforeDir="false" afterPath="$PROJECT_DIR$/src/page/footer/footer.html.ts" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/src/page/footer/footer.scss" beforeDir="false" afterPath="$PROJECT_DIR$/src/page/footer/footer.scss" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/page/image-viewer/image-viewer.ts" beforeDir="false" afterPath="$PROJECT_DIR$/src/page/image-viewer/image-viewer.ts" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/src/page/index.ts" beforeDir="false" afterPath="$PROJECT_DIR$/src/page/index.ts" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/src/page/timeline/timeline-element/timeline-element.html.ts" beforeDir="false" afterPath="$PROJECT_DIR$/src/page/timeline/timeline-element/timeline-element.html.ts" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/src/page/timeline/timeline-element/timeline-element.scss" beforeDir="false" afterPath="$PROJECT_DIR$/src/page/timeline/timeline-element/timeline-element.scss" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/page/timeline/timeline-element/timeline-element.ts" beforeDir="false" afterPath="$PROJECT_DIR$/src/page/timeline/timeline-element/timeline-element.ts" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/portfolio.ts" beforeDir="false" afterPath="$PROJECT_DIR$/src/portfolio.ts" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/page/timeline/timeline.scss" beforeDir="false" afterPath="$PROJECT_DIR$/src/page/timeline/timeline.scss" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/static/media/led720.mp4" beforeDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/style/a.scss" beforeDir="false" afterPath="$PROJECT_DIR$/src/style/a.scss" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/src/style/fonts.scss" beforeDir="false" afterPath="$PROJECT_DIR$/src/style/fonts.scss" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/style/mixins.scss" beforeDir="false" afterPath="$PROJECT_DIR$/src/style/mixins.scss" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/style/vars.scss" beforeDir="false" afterPath="$PROJECT_DIR$/src/style/vars.scss" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/styles.scss" beforeDir="false" afterPath="$PROJECT_DIR$/src/styles.scss" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/webpack.config.js" beforeDir="false" afterPath="$PROJECT_DIR$/webpack.config.js" afterDir="false" />
     </list>
     <option name="EXCLUDED_CONVERTED_TO_IGNORED" value="true" />
@@ -120,7 +122,7 @@
       <workItem from="1577348003642" duration="4876000" />
       <workItem from="1577451432189" duration="11000" />
       <workItem from="1577469180612" duration="18000" />
-      <workItem from="1577526744211" duration="38046000" />
+      <workItem from="1577526744211" duration="44201000" />
     </task>
     <servers />
   </component>

custom.d.ts

@@ -1,34 +1,47 @@
 declare module "*.svg" {
-  const content: string;
+  import { url } from "src/model/misc";
+  const content: url;
   export default content;
 }
 
 declare module "*.png" {
-  const content: string;
+  import { ResponsiveImage } from "src/model/misc";
+  const content: ResponsiveImage;
   export default content;
 }
 
 declare module "*.jpg" {
-  const content: string;
+  import { ResponsiveImage } from "src/model/misc";
+  const content: ResponsiveImage;
   export default content;
 }
 
 declare module "*.jpeg" {
-  const content: string;
+  import { ResponsiveImage } from "src/model/misc";
+  const content: ResponsiveImage;
   export default content;
 }
 
 declare module "*.gif" {
-  const content: string;
+  import { url } from "src/model/misc";
+  const content: url;
   export default content;
 }
 
 declare module "*.mp4" {
-  const content: string;
+  import { url } from "src/model/misc";
+  const content: url;
+  export default content;
+}
+
+declare module "*.webm" {
+  import { url } from "src/model/misc";
+  const content: url;
   export default content;
 }
 
 declare module "*.pdf" {
-  const content: string;
+  import { url } from "src/model/misc";
+  const content: url;
   export default content;
 }

package.json

@@ -4,7 +4,6 @@
   "description": "An easily configurable portfolio.",
   "private": true,
   "scripts": {
-    "test": "echo \"Error: no test specified\" && exit 1",
     "start": "webpack-dev-server --mode development",
     "build": "webpack"
   },
@@ -35,7 +34,9 @@
     "optimize-css-assets-webpack-plugin": "^5.0.3",
     "prettier": "^1.19.1",
     "resolve-url-loader": "^3.1.1",
+    "responsive-loader": "^1.2.0",
     "sass-loader": "^8.0.0",
+    "sharp": "^0.23.4",
     "style-loader": "^1.0.2",
     "svg-url-loader": "^3.0.3",
     "terser-webpack-plugin": "^2.3.1",

src/framework/helper.ts

@@ -1,4 +1,4 @@
-import { html } from "../model/misc";
+import { html, ResponsiveImage } from "../model/misc";
 
 export const createElement = (from: html): HTMLElement => {
   const element: HTMLElement = document.createElement("div");
@@ -88,3 +88,6 @@ export const range = ({
     }
   };
 };
+
+export const last = <T>(list: Array<T>): T =>
+  list.length > 0 ? list[list.length - 1] : undefined;

src/model/content.ts

@@ -1,4 +1,4 @@
-import { url } from "./misc";
+import { ResponsiveImage, url } from "./misc";
 
 interface Anchor {
   type: "a";
@@ -6,11 +6,19 @@ interface Anchor {
   text: string;
 }
 
-interface Video {
+export type Video = {
   type: "video";
-  src: url;
+  mp4: url;
-}
+  webm: url;
+  options?: string;
+};
 
-export type TypedContent = Anchor | Video;
+export type Image = {
+  type: "img";
+  alt: string;
+  image: ResponsiveImage;
+};
+
+export type TypedContent = Anchor | Video | Image;
 
 export type Content = Array<String | TypedContent>;

src/model/misc.ts

@@ -1,2 +1,16 @@
 export type url = string;
+
 export type html = string;
+
+export type ResponsiveImage = {
+  srcSet: string;
+  src: url;
+  placeholder: string;
+  width: number;
+  height: number;
+  images: Array<{
+    path: url;
+    width: number;
+    height: number;
+  }>;
+};

src/model/portfolio.ts

@@ -1,5 +1,5 @@
 import { url } from "./misc";
-import { Content } from "./content";
+import { Content, Image, Video } from "./content";
 
 export interface Portfolio {
   config: Config;
@@ -11,19 +11,18 @@ export interface Portfolio {
 export interface Config {
   showMore: string;
   showLess: string;
-  aPictureOf: string;
 }
 
 export interface Header {
   name: string;
-  picture: url;
+  picture: Image;
   about: Content;
 }
 
 export interface TimelineElement {
   title: string;
   date: string;
-  picture: url;
+  figure: Image | Video;
   description: string;
   more?: Content;
   link?: url;
@@ -34,8 +33,6 @@ export interface Footer {
   email: string;
   cv: url;
   cvName: string;
-  githubLinkName: string;
-  githubLink: url;
   lastEditName: string;
   lastEdit: Date;
 }

src/page/about/about.html.ts

@@ -1,13 +1,12 @@
 import { Header } from "../../model/portfolio";
 import { html } from "../../model/misc";
+import { PageContent } from "../content/content";
+
 import "./about.scss";
 
-export const generate = (
+export const generate = ({ name, picture }: Header): html => `
-  { name, picture, about }: Header,
-  aPictureOf: string
-): html => `
     <section id="about">
-        <img alt="${aPictureOf} ${name}" src="${picture}"/>
+        ${PageContent.parseTypedContent(picture, true)}
         <div class="placeholder"></div>
         <h1>${name}</h1>
     </section>`;

src/page/about/about.ts

@@ -6,8 +6,8 @@ import { generate } from "./about.html";
 import { createElement } from "../../framework/helper";
 
 export class PageHeader extends PageElement {
-  public constructor(header: Header, aPictureOf: string) {
+  public constructor(header: Header) {
-    const root = createElement(generate(header, aPictureOf));
+    const root = createElement(generate(header));
     const content = new PageContent(header.about);
 
     super([content]);

src/page/content/content.scss

@@ -11,3 +11,15 @@
     text-align: left;
   }
 }
+
+.image-container {
+  font-size: 0;
+  box-shadow: inset $shadow1, inset $shadow2;
+  pointer-events: none;
+  img {
+    pointer-events: all;
+    cursor: pointer;
+    position: relative;
+    z-index: -2;
+  }
+}

src/page/content/content.ts

@@ -1,13 +1,44 @@
 import { Content, TypedContent } from "../../model/content";
 import "./content.scss";
 import { PageElement } from "../../framework/page-element";
-import { createElement } from "../../framework/helper";
+import { createElement, last } from "../../framework/helper";
+import { html } from "../../model/misc";
 
 export class PageContent extends PageElement {
   private static isTyped(content): content is TypedContent {
     return (content as TypedContent).type !== undefined;
   }
 
+  public static parseTypedContent(
+    element: TypedContent,
+    disableInnerShadow?: boolean
+  ): html {
+    if (element.type === "a") {
+      return `<a href="${element.href}" rel="noreferrer" target="_blank"> ${element.text} </a>`;
+    }
+    if (element.type === "video") {
+      return `
+          <video ${element.options}>
+              <source src="${element.webm}" type="video/webm"/>
+              <source src="${element.mp4}" type="video/mp4"/>
+          </video>
+      `;
+    }
+    if (element.type === "img") {
+      return `
+            ${!disableInnerShadow ? `<div class="image-container">` : ""}
+                <img 
+                    srcset="${element.image.srcSet}" 
+                    src="${last(element.image.images).path}" 
+                    alt="${element.alt}"
+                />
+            ${!disableInnerShadow ? `</div>` : ""}
+      `;
+    }
+
+    throw new Error("Unhandled type.");
+  }
+
   public constructor(content: Content) {
     super();
 
@@ -15,18 +46,11 @@ export class PageContent extends PageElement {
       createElement(`
         <div class="content">
             ${content
-              .map(element => {
+              .map(element =>
-                if (PageContent.isTyped(element)) {
+                PageContent.isTyped(element)
-                  if (element.type === "a") {
+                  ? PageContent.parseTypedContent(element)
-                    return `<a href="${element.href}" rel="noreferrer" target="_blank"> ${element.text} </a>`;
+                  : `<p>${element}</p>`
-                  }
+              )
-                  if (element.type === "video") {
-                    return `<video controls><source src="${element.src}" /></video>`;
-                  }
-                  throw new Error("Unhandled type.");
-                }
-                return `<p>${element}</p>`;
-              })
               .join("\n")}
         </div>
       `)

src/page/footer/footer.html.ts

@@ -1,9 +1,9 @@
 import { Footer } from "../../model/portfolio";
-import { html, url } from "../../model/misc";
+import { html } from "../../model/misc";
+import emailIcon from "../../static/icons/at.svg";
+import cvIcon from "../../static/icons/cv.svg";
 
 import "./footer.scss";
-import cvIcon from "../../static/icons/cv.svg";
-import emailIcon from "../../static/icons/at.svg";
 
 export const generate = ({
   title,
@@ -11,9 +11,7 @@ export const generate = ({
   cv,
   cvName,
   lastEditName,
-  lastEdit,
+  lastEdit
-  githubLinkName,
-  githubLink
 }: Footer): html => `
     <footer id="page-footer">
         <h2>${title}</h2>

src/page/footer/footer.scss

@@ -43,7 +43,7 @@ footer#page-footer {
 
     h6 {
       @include insignificant-font();
-      opacity: 0.4;
+      opacity: 0.6;
     }
   }
 }

src/page/index.ts

@@ -7,7 +7,7 @@ import { PageImageViewer } from "./image-viewer/image-viewer";
 import { Page } from "../framework/page";
 
 export const create = ({ config, header, timeline, footer }: Portfolio) => {
-  const pageHeader = new PageHeader(header, config.aPictureOf);
+  const pageHeader = new PageHeader(header);
   const pageFooter = new PageFooter(footer);
 
   const bg = new PageBackground(pageHeader, pageFooter);

src/page/timeline/timeline-element/timeline-element.html.ts

@@ -1,9 +1,11 @@
 import { TimelineElement } from "../../../model/portfolio";
 import { html } from "../../../model/misc";
+import { PageContent } from "../../content/content";
+
 import "./timeline-element.scss";
 
 export const generate = (
-  { date, title, picture, description, more, link }: TimelineElement,
+  { date, title, figure, description, more, link }: TimelineElement,
   showMore: string,
   showLess: string
 ): html => `
@@ -13,9 +15,7 @@ export const generate = (
         </div>
         <div class="card">
             <h2>${title}</h2>
-            <div class="image-container">
+            ${PageContent.parseTypedContent(figure)}
-                <img src="${picture}" alt="${picture}"/>
-            </div>
             <p class="description">${description}</p>
             ${
               more

src/page/timeline/timeline-element/timeline-element.scss

@@ -75,18 +75,6 @@
       @include sub-title-font();
     }
 
-    .image-container {
-      font-size: 0;
-      box-shadow: inset $shadow1, inset $shadow2;
-      pointer-events: none;
-      img {
-        pointer-events: all;
-        cursor: pointer;
-        position: relative;
-        z-index: -2;
-      }
-    }
-
     .description {
       font-style: italic;
     }

src/portfolio.ts

@@ -1,7 +1,8 @@
 import { Portfolio } from "./model/portfolio";
 
 import me from "./static/media/me.jpg";
-import forex from "./static/media/forex.gif";
+import forexMP4 from "./static/media/forex.mp4";
+import forexWEBM from "./static/media/forex.webm";
 import myNotes from "./static/media/my-notes.jpg";
 import processSimulator from "./static/media/process-simulator.jpg";
 import processSimulatorInput from "./static/media/process-simulator-input.jpg";
@@ -11,17 +12,21 @@ import platform from "./static/media/platform.png";
 import photos from "./static/media/photos.jpg";
 import led from "./static/media/led.jpg";
 import cv from "./static/cv/andras_schmelczer_cv_2020_01.pdf";
-import ledVideo from "./static/media/led720.mp4";
+import ledMP4 from "./static/media/led.mp4";
+import ledWEBM from "./static/media/led.webm";
 
 export const portfolio: Portfolio = {
   config: {
     showMore: `Show details`,
-    showLess: `Show less`,
+    showLess: `Show less`
-    aPictureOf: `a picture of`
   },
   header: {
     name: `András Schmelczer`,
-    picture: me,
+    picture: {
+      type: `img`,
+      image: me,
+      alt: `a picture of me`
+    },
     about: [
       `I have always been fascinated by the engineering feats that surround us. 
        When I realized that someday I might be able to contribute to these achievements, 
@@ -34,7 +39,12 @@ export const portfolio: Portfolio = {
     {
       title: `Predicting foreign exchange rates`,
       date: `2019 Autumn`,
-      picture: forex,
+      figure: {
+        type: `video`,
+        options: `autoplay loop muted playsinline`,
+        webm: forexWEBM,
+        mp4: forexMP4
+      },
       description: `From the animation we can see that my algorithm does a somewhat acceptable job at
        predicting (blue graph) the EUR/USD rates (green graph).`,
       more: [
@@ -49,7 +59,11 @@ export const portfolio: Portfolio = {
     {
       date: `2019 November`,
       title: `My Notes`,
-      picture: myNotes,
+      figure: {
+        type: `img`,
+        image: myNotes,
+        alt: `two screenshots of the application`
+      },
       description: `A minimalist note organizer and editor powered by Markwon.`,
       more: [
         {
@@ -65,7 +79,11 @@ export const portfolio: Portfolio = {
     {
       date: `2018 October - November`,
       title: `Simulating the cooling system of a nuclear facility`,
-      picture: processSimulator,
+      figure: {
+        type: `img`,
+        image: processSimulator,
+        alt: `a screenshot of the simulator`
+      },
       description: `Dynamically calculating the temperatures and flow velocities
        in a fluid based cooling system based on a simple model.`,
       more: [
@@ -79,7 +97,11 @@ export const portfolio: Portfolio = {
     {
       date: `2018 October - November`,
       title: `Graph editing application`,
-      picture: processSimulatorInput,
+      figure: {
+        type: `img`,
+        image: processSimulatorInput,
+        alt: `a picture of the simulator's UI`
+      },
       description: `An intuitive editor to create and edit input files for the nuclear facility simulator.`,
       more: [
         `Nodes can be moved with drag&drop gestures. Editing the parameters of elements 
@@ -91,7 +113,11 @@ export const portfolio: Portfolio = {
     {
       date: `2018 July - August`,
       title: `City simulation`,
-      picture: citySimulation,
+      figure: {
+        type: `img`,
+        image: citySimulation,
+        alt: `a picture of a low-poly city`
+      },
       description: `Simulating a city where car crashes are more frequent than usual.`,
       more: [
         `Through a REST API the state of the traffic lights can be changed. 
@@ -109,7 +135,11 @@ export const portfolio: Portfolio = {
     {
       date: `2018 June`,
       title: `Photo color grader`,
-      picture: color,
+      figure: {
+        type: `img`,
+        image: color,
+        alt: `a picture of the app`
+      },
       description: `An innovative (at least I thought so) color grader web application.`,
       more: [
         `The most noteworthy feature of this application is the color selector UI. 
@@ -126,7 +156,11 @@ export const portfolio: Portfolio = {
       date: `2017 autumn`,
 
       title: `Platform game`,
-      picture: platform,
+      figure: {
+        type: `img`,
+        image: platform,
+        alt: `a picture of the app`
+      },
       description: `A 3D game written in C with the help of SDL 1.2 (I haven't heard of GPU programming at the time).`,
       more: [
         `The maps are randomly generated and fully destroyable. 
@@ -137,14 +171,22 @@ export const portfolio: Portfolio = {
     {
       date: `2016 summer`,
       title: `Photos`,
-      picture: photos,
+      figure: {
+        type: `img`,
+        image: photos,
+        alt: `a picture of the website`
+      },
       description: `A simple web page where you can view my photos.`,
       link: `schmelczer.dev/photos`
     },
     {
       date: `2016 spring`,
       title: `Lights synchronised to music`,
-      picture: led,
+      figure: {
+        type: `img`,
+        image: led,
+        alt: `a picture from the video`
+      },
       description: `A full stack application with a built-in 
       music player which music controls the color of some RGB LED strips.`,
       more: [
@@ -154,7 +196,7 @@ export const portfolio: Portfolio = {
         A quite simple frontend for accessing the music player and changing 
         the settings also got built using vanilla web development technologies.`,
         `Below is a video showing the system in work.`,
-        { type: `video`, src: ledVideo }
+        { type: `video`, mp4: ledMP4, webm: ledWEBM, options: "controls" }
       ]
     }
   ],
@@ -163,9 +205,7 @@ export const portfolio: Portfolio = {
     cv,
     email: `andras@schmelczer.dev`,
     cvName: `Curriculum vitae`,
-    githubLinkName: `view source`,
-    githubLink: `https://github.com/schmelczerandras/timeline`,
     lastEditName: `Last modified on `,
-    lastEdit: new Date(2019, 11, 27) // months are 0 indexed
+    lastEdit: new Date(2019, 11, 29) // months are 0 indexed
   }
 };

src/style/fonts.scss

@@ -1,10 +1,12 @@
 // https://google-webfonts-helper.herokuapp.com/fonts/montserrat?subsets=latin
+//  add font-display: swap;
 
 /* lato-regular - latin */
 @font-face {
   font-family: "Lato";
   font-style: normal;
   font-weight: 400;
+  font-display: swap;
   src: url("../static/fonts/lato/lato-v16-latin-regular.eot"); /* IE9 Compat Modes */
   src: local("Lato Regular"), local("Lato-Regular"),
     url("../static/fonts/lato/lato-v16-latin-regular.eot?#iefix")
@@ -23,6 +25,7 @@
   font-family: "Lato";
   font-style: italic;
   font-weight: 400;
+  font-display: swap;
   src: url("../static/fonts/lato/lato-v16-latin-italic.eot"); /* IE9 Compat Modes */
   src: local("Lato Italic"), local("Lato-Italic"),
     url("../static/fonts/lato/lato-v16-latin-italic.eot?#iefix")
@@ -42,6 +45,7 @@
   font-family: "Montserrat";
   font-style: normal;
   font-weight: 400;
+  font-display: swap;
   src: url("../static/fonts/montserrat/montserrat-v14-latin-regular.eot"); /* IE9 Compat Modes */
   src: local("Montserrat Regular"), local("Montserrat-Regular"),
     url("../static/fonts/montserrat/montserrat-v14-latin-regular.eot?#iefix")

webpack.config.js

@@ -35,7 +35,17 @@ module.exports = {
   module: {
     rules: [
       {
-        test: /\.(png|jpe?g|gif|mp4)$/i,
+        test: /\.(jpe?g|png)$/i,
+        loader: "responsive-loader",
+        options: {
+          adapter: require("responsive-loader/sharp"),
+          outputPath: "static/",
+          sizes: [300, 600, 1200, 2000],
+          placeholder: false
+        }
+      },
+      {
+        test: /\.(webm|mp4)$/i,
         use: [
           {
             loader: "file-loader",
@@ -49,7 +59,7 @@ module.exports = {
               disable: !isProduction,
               mozjpeg: {
                 progressive: true,
-                quality: 65
+                quality: 45
               },
               optipng: {
                 enabled: true
@@ -61,9 +71,8 @@ module.exports = {
               gifsicle: {
                 interlaced: false
               },
-              // the webp option will enable WEBP
               webp: {
-                quality: 75
+                quality: 65
               }
             }
           }